Conferences

185. Boulanger, R. W., and Bassal, P. (2024). “9^th Ishihara lecture: Effects of subsurface heterogeneity on liquefaction-induced ground deformation during earthquakes.” 8^th International Conference on Earthquake Geotechnical Engineering, Japanese Geotechnical Society Special Publication, 10(2): 1-27, 10.3208/jgssp.v10.IL-01.

184. Boulanger, R. W. (2024). “Effect of model container on dynamic shear stresses in a centrifuge model.” 8^th International Conference on Earthquake Geotechnical Engineering, Japanese Geotechnical Society Special Publication, 10(30): 1137-1141, 10.3208/jgssp.v10.OS-19-04.

183. Boulanger, R. W., and Idriss, I. M. (2024). “Cyclic strength evaluation criteria for sand-like, clay-like, and intermediate soils.” Proceedings, Geo-Congress 2024, Geotechnical Special Publication 348, ASCE, 456-466,10.1061/9780784485309.

182. Oathes, T. J., and Boulanger, R. W. (2024). “Effects of creep and pore pressure diffusion on shear strength of saturated clay.” Proceedings, Geo-Congress 2024, Geotechnical Special Publication 348, ASCE, 90-98,10.1061/9780784485309.

181. Boulanger, R. W. (2023). “Susceptibility criteria for selecting engineering procedures.” Extended Abstract, PEER Workshop on Liquefaction Susceptibility, Pacific Engineering Research Center, Report No. 2023/02, University of California, Berkeley, 62-64.

180. Oathes, T. J., and Boulanger, R. W. (2023). “Numerical analyses of a landslide in the sensitive Saint Adelphe clay.” Proceedings, Geo-Congress 2023, Geotechnical Special Publication 340, ASCE, 587-595, 10.1061/9780784484678.060.

179. Boulanger, R. W., and Bassal, P. C. (2023). “Effects of subsurface variability on liquefaction-induced ground deformation during earthquakes.” Proceedings, 71^st Annual Geotechnical Engineering Conference, University of Minnesota, J. F. Labuz and I. Guillen (eds), 1-18.

178. Oathes, T. J., and Boulanger, R. W. (2022). “A framework for predicting the onset of localization in plastic soils considering viscous effects.” 12^th National Conference on Earthquake Engineering, Earthquake Engineering Research Institute, Oakland, CA.

177. Bassal, P. C., and Boulanger, R. W. (2022). “Dynamic analyses of localized ground deformation at Wynne Avenue in the Northridge earthquake.” 12^th National Conference on Earthquake Engineering, Earthquake Engineering Research Institute, Oakland, CA.

176. Boulanger, R. W. (2022). “Nonlinear dynamic analyses involving soil liquefaction or cyclic softening.” Proceedings, 20^th ICSMGE State of the Art and Invited Lectures, Rahman and Jaksa (eds), Australian Geomechanics Society, Sydney, Australia, ISBN 978-0-9946261-6-5, 351-379.

175. Oathes, T. J., and Boulanger, R. W. (2022). “Nonlinear viscoplastic modeling of the Feijao Dam 1 failure.” Geo-Congress 2022: Advances in Monitoring and Sensing; Embankments, Slopes, and Dams; Pavements; and Geo-Education, Geotechnical Special Publication 336, ASCE, 129-138, 10.1061/9780784484067.014.

174. Bassal, P. C., Boulanger, R. W., and DeJong, J. T. (2022). “Site-specific CPT-based fines content correlations using percentile matching.” Geo-Congress 2022: Geophysical and Earthquake Engineering and Soil Dynamics, Geotechnical Special Publication 334, ASCE, 549-558, 10.1061/9780784484043.053.

173. Chiaradonna, A., Ziotopoulou, K., Carey, T. J., DeJong, J. T., and Boulanger, R. W. (2022). “Dynamic behavior of uniform clean sands: Evaluation of predictive capabilities in the element- and system-level scale.” Geo-Congress 2022: Geophysical and Earthquake Engineering and Soil Dynamics, Geotechnical Special Publication 334, ASCE, 444-454, 10.1061/9780784484043.043.

172. El Kortbawi, M., Ziotopoulou, K., and Boulanger, R. W. (2022). “Reformulation of a bounding surface constitutive model to incorporate the effects of bio-cementation on sands.” Geo-Congress 2022: Site and Soil Characterization, Computational Geotechnics, Risk, and Lessons Learned, Geotechnical Special Publication 333, ASCE, 22-32, 10.1061/9780784484036.003.

171. DeJong, J. T., Krage, C. P., Boulanger, R. W., and DeGroot, D. J. (2021). “Optimization of CPT soundings to reduce uncertainty in interpretation of subsurface stratigraphy.” Proceedings, 6^th International Conference on Geotechnical and Geophysical Site Characterisation (ISC’6), Budapest, September.

170. Krage, C. P., DeJong, J. T., Boulanger, R. W., and DeGroot, D. J. (2021). “Effect of strain rate and creep on clay consolidation behavior.” Proceedings, 6^th International Conference on Geotechnical and Geophysical Site Characterisation (ISC’6), Budapest, September, paper ISC2020-98.

169. Bassal, P. C., Boulanger, R. W., and DeJong, J. T. (2021). “Dynamic analyses of liquefaction and lateral spreading for an interlayered deposit in the Chi-Chi earthquake.” Geo-Extreme 2021: Climatic Extremes and Earthquake Modeling. Geotechnical Special Publication 329, C. L. Meehan, M. A. Pando, B. A. Leshchinsky, and N. H. Jafari (eds), ASCE, 426-441, 10.1061/9780784483695.042.

168. Bassal, P. C., Boulanger, R. W., DeJong, J. T., and Ziotopoulou, K. (2021). “Calibration of post-liquefaction shear deformation for a fluvial deposit in the Chi-Chi earthquake.” 17^th World Conference on Earthquake Engineering (17WCEE), Sendai, Japan. 

167. Oathes, T. J., Boulanger, R. W., and Friesen, S. (2021). “Influence of sensitivity and rate of strength loss on seismic deformations of a levee.” Proceedings, Dam Safety 2021, Association of State Dam Safety Officials, Lexington, KY.

166. Boulanger, R. W., and Shao, L. (2021). “Liquefaction mitigation with deep mixing.” Proceedings, Deep Mixing 2021, Deep Foundations Institute,
1146-1202. 

165. Zamani, A., Xiao, P., DeJong, J. T., and Boulanger, R. W. (2021). “MICP treatment to mitigate soil liquefaction-induced building settlements.” International Foundations Congress and Equipment Expo 2021 (IFCEE 2021): Earth Retention, Ground Improvement, and Seepage Control, C. El Mohtar, S. Kulesza, T. Baser, and M. D. Venezia (eds), Geotechnical Special Publication 324, ASCE, 308-317, 10.1061/9780784483411.030.

164. Bittar, E., Lehane, B., Boulanger, R. W., and DeJong, J. T. (2020). “CPT filter to estimate the end bearing of closed-ended driven piles in layered soils.” Proceedings, 4^th International Symposium on Frontiers in Offshore Geotechnics, Deep Foundations Institute, Hawthorne, NJ, 520-528.

163. Boulanger, R. W., and Oathes, T. J. (2020). “Modeling slope instability due to undrained creep.” Proceedings, Tailings and Mine Waste 2020, UBC Studios, University of British Columbia, Vancouver, BC, 53-64.

162. Oathes, T. J., and Boulanger, R. W. (2020). “Seismic deformations of a levee over soft clay of varying sensitivity.” Proc., 40^th USSD Annual Meeting and Conference, United States Society on Dams, Denver, CO, 1-15.

161. Bassal, P. C., Boulanger, R. W., Cox, B. R., Yost, K. M., and DeJong, J. T. (2020). “Dynamic analyses of liquefaction at Palinurus Road in the Canterbury Earthquake Sequence.” Proc., 40^th USSD Annual Meeting and Conference, United States Society on Dams, Denver, CO, 1-17.

160. Oathes, T. J., and Boulanger, R. W. (2020). “Influence of strain-rate on localization and strain-softening in normally consolidated clays with varying strength profiles.” Geo-Congress 2020: Modeling, Geomaterials, and Site Characterization. Geotechnical Special Publication 317, J. P. Hambleton, R. Makhnenko, and A. S. Budge (eds), ASCE, 247-255.

159. Paull, N. A., Boulanger, R. W., and DeJong, J. T. (2020). “Nonlinear deformation analyses of embankments on a spatially variable liquefiable deposit using conditional random fields.” Geo-Congress 2020: Engineering, Monitoring, and Management of Geotechnical Infrastructure. Geotechnical Special Publication 316, J. P. Hambleton, R. Makhnenko, and A. S. Budge (eds), ASCE, 1-9.

158. Madabhushi, S. S. C., O’Hara, K., Martinez, A. V., Wilson, D. W., Boulanger, R. W., Kutter, B. L., and Ladwig, K. (2020). “Centrifuge modeling of fly ash deposit dewatering. Geo-Congress 2020: Engineering, Monitoring, and Management of Geotechnical Infrastructure. Geotechnical Special Publication 316, J. P. Hambleton, R. Makhnenko, and A. S. Budge (eds), ASCE, 20-28.

157.  Moug, D. M., Price, A. B., Darby, K. M., Parra Bastidas, A. M., Boulanger, R. W., and DeJong, J. T. (2019). “Mechanistic development of CPT-based cyclic strength relationships for Ottawa sand.” Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions: Proceedings of the 7^th International Conference on Earthquake Geotechnical Engineering, F. Silvestri and N. Moraci (eds), Associazione Geotecnica Italiana, Rome, Italy, ISBN 978-0-367-14328-2, 4046-4053.

156.  Boulanger, R. W., and Wijewickreme, D. (2019). “Calibration of a constitutive model for the cyclic loading response of Fraser River Delta Silt.” Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions: Proceedings of the 7^th International Conference on Earthquake Geotechnical Engineering, F. Silvestri and N. Moraci (eds), Associazione Geotecnica Italiana, Rome, Italy, ISBN 978-0-367-14328-2, 121-137.

155.  Oathes, T. J., and Boulanger, R. W. (2019). “Numerical evaluation of strain-rate effects on strain-softening and localization in saturated clays.” Proc., 39^th USSD Annual Meeting and Conference, United States Society on Dams, Denver, CO, 1-15.

154.  Paull, N. A., Boulanger, R. W., and DeJong, J. T. (2019). “Seismic deformations of different size embankments on a spatially variable liquefiable deposit.” Proc., 39^th USSD Annual Meeting and Conference, United States Society on Dams, Denver, CO, 1-15.

153.  Yost, K. M., Cox, B. R., Wotherspoon, L., Boulanger, R. W., van Ballegooy, S., and Cubrinovski, M. (2019). “In situ investigation of false-positive liquefaction sites in Christchurch, New Zealand: Palinurus Road Case History.” Geo-Congress 2019: Earthquake Engineering and Soil Dynamics, Geotechnical Special Publication 308, Meehan et al. (eds), ASCE, 436-451.

152.  Boulanger, R. W., and Brandenberg, S. J. (2019). “Accounting for strain rate dependent behavior during consolidation of saturated clay.” Geo-Congress 2019: Geotechnical Materials, Modeling, and Testing, Geotechnical Special Publication 310, Meehan et al. (eds), ASCE, 691-700.

151.  Boulanger, R. W., Khosravi, M., Cox, B. R., and DeJong, J. T. (2018). “Liquefaction evaluation for an interbedded soil deposit: St. Teresa’s School, Christchurch, New Zealand.” Proc., International Association of Chinese Geotechnical Engineers, Chongqing, China, October 20-21, ASCE, 686-704, 10.1061/9780784482049.066.

150.  Dahl, K. R., Boulanger, R. W., and DeJong, J. T. (2018). “Trends in experimental data of intermediate soils for evaluating dynamic strength.” Proc., 11^th U.S. National Conference in Earthquake Engineering, Integrating Science, Engineering & Policy, Earthquake Engineering Research Institute, Los Angeles, California, paper 1163.

149.  Bronner, C. E., Wilson, D. W., Ziotopoulou, K., Darby, K. M., Sturm, A., Raymond, A. J., Boulanger, R. W., DeJong, J. T., Moug, D. M., and Bronner, J. D. (2018). “An example of effective mentoring for research centers.” Proc., Physical Modelling in Geotechnics, McNamara et al. (eds), Taylor and Francis Group, London, ISBN 978-1-138-34419-8, 21-32.

148.   Boulanger, R. W., and DeJong, J. T. (2018). “Inverse filtering procedure to correct cone penetration data for thin-layer and transition effects.” Proc., Cone Penetration Testing 2018, Hicks, Pisano, and Peuchen, eds., Delft University of Technology, The Netherlands, 25-44.

147.   Boulanger, R. W., and Ziotopoulou, K. (2018). “On NDA practices for evaluating liquefaction effects.” Proc., Geotechnical Earthquake Engineering and Soil Dynamics V, Geotechnical Special Publication 290, S. J. Brandenberg and M. T. Manzari, eds., ASCE, 1-20.

146.   Darby, K. M., Hernandez, G. L., Gomez, M. G., DeJong, J. T., Wilson, D. W., and Boulanger, R. W. (2018). “Centrifuge model testing of liquefaction mitigation via microbially induced calcite precipitation.” Proc., Geotechnical Earthquake Engineering and Soil Dynamics V, Geotechnical Special Publication 290, S. J. Brandenberg and M. T. Manzari, eds., ASCE, 127-137.

145.   Darby, K. M., Boulanger, R. W., and DeJong, J. T. (2018). “Volumetric strains from inverse analysis of pore pressure transducer arrays in centrifuge models.” Proc., Geotechnical Earthquake Engineering and Soil Dynamics V, Geotechnical Special Publication 290, S. J. Brandenberg and M. T. Manzari, eds., ASCE, 626-636.

144.   Khosravi, M., Boulanger, R. W., Khosravi, A., DeJong, J. T., Hajialilue-Bonab, M., and Wilson, D. W. (2018). “Centrifuge modeling of cone penetration testing in layered soil.” Proc., Geotechnical Earthquake Engineering and Soil Dynamics V, Geotechnical Special Publication 290, S. J. Brandenberg and M. T. Manzari, eds., ASCE, 138-147.

143.   Boulanger, R. W., Price, A. B., and Ziotopoulou, K. (2018). “Constitutive modeling of the cyclic loading response of low plasticity fine-grained soils.” GSIC 2018, Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours, A. Zhou et al. (Eds.), Springer Nature Singapore Pte Ltd., pp. 1–13, https://doi.org/10.1007/978-981-13-0125-4_1.

142.   Boulanger, R. W., Khosravi, M., Khosravi, A., Wilson, D. W., Pulido, A. and Yunlong, W. (2017). “Remediation of liquefaction effects for a dam using soil-cement grids: Centrifuge and numerical modeling.” Proc., 19th International Conference on Soil Mechanics and Geotechnical Engineering, Seoul, South Korea, W. Lee, J.-S. Lee, H.-K. Kim, and D.-S. Kim, eds., ISSMGE, 2477-2480.

141. Boulanger, R. W., Khosravi, M., Khosravi, A., and Wilson, D. W. (2017). “Remediation of liquefaction effects for an embankment using soil-cement walls: Centrifuge and numerical modeling.” Proc., Performance-based Design in Earthquake Geotechnical Engineering, PBD-III Vancouver, M. Taiebat et al., eds., ISSMGE Technical Committee TC203, paper 537.

140. Cox, B. R., McLaughlin, K. A., van Ballegooy, S., Cubrinovski, M., Boulanger, R. W., and Wotherspoon, L. (2017). “In-situ investigation of false-positive liquefaction sites in Christchurch, New Zealand: St. Teresa’s School case history.” Proc., Performance-based Design in Earthquake Geotechnical Engineering, PBD-III Vancouver, M. Taiebat et al., eds., ISSMGE Technical Committee TC203, paper 265.

139. Darby, K. M., Boulanger, R. W., and DeJong, J. T. (2017). “Effect of multiple shaking events on cone penetration resistances in saturated sand.” Proc., Performance-based Design in Earthquake Geotechnical Engineering, PBD-III Vancouver, M. Taiebat et al., eds., ISSMGE Technical Committee TC203, paper 534.

138. Khosravi, A., Khosravi, M., Boulanger, R. W., Wilson, D. W., Pulido, A. (2017). “Dynamic centrifuge test of an embankment on liquefiable soil reinforced with soil-cement walls.” Proc., Performance-based Design in Earthquake Geotechnical Engineering, PBD-III Vancouver, M. Taiebat et al., eds., ISSMGE Technical Committee TC203, paper 386.

137. Montgomery, J., Boulanger, R. W., and Ziotopoulou, K. (2017). “Effects of spatial variability on the seismic response of the Wildlife Liquefaction Array.” Proc., Performance-based Design in Earthquake Geotechnical Engineering, PBD-III Vancouver, M. Taiebat et al., eds., ISSMGE Technical Committee TC203, paper 533.

136. Darby, K. M., McIlroy, M. W., Boulanger, R. W., and DeJong, J. T. (2017). “Analysis of liquefaction at a bridge site in the 2014 Napa earthquake.” Geotechnical Frontiers 2017, Seismic Performance and Liquefaction, Geotechnical Special Publication No. 281, T. L. Brandon and R. J. Valentine, eds., 277-289.

135. Munter, S. K., Boulanger, R. W., Krage, C. P., and DeJong, J. T. (2017). “Evaluation of liquefaction-induced lateral spreading procedures for interbedded deposits: Cark Canal in the 1999 M7.5 Kocaeli earthquake.” Geotechnical Frontiers 2017, Seismic Performance and Liquefaction, Geotechnical Special Publication No. 281, T. L. Brandon and R. J. Valentine, eds., 254-266.

134. Parra Bastidas, A. M., Boulanger, R. W., DeJong, J. T., and Price, A. B. (2017). “Effects of pre-strain history on the cyclic resistance of Ottawa F-65 sand.” 16th World Conference on Earthquake Engineering, 16WCEE, Santiago, Chile, January 9-13, paper 1213.

133. Moug, D. M., Boulanger, R. W., and DeJong, J. T. (2016). “Simulation of cone penetration in anisotropic clay.” Proceedings, GeoVancouver, Canadian Geotechnical Society, Vancouver, BC, Canada, October 2-5.

132. Krage, C. P., DeJong, J. T., and Boulanger, R. W. (2016). “Identification of geologic depositional variations using CPT-based conditional probability mapping.” Proceedings, 5th International Conference on Geotechnical and Geophysical Site Characterization, Gold Coast, Australia, September 5-9.

131. Boulanger, R. W., Moug, D. M., Munter, S. K., Price, A. B., and DeJong, J. T. (2016). “Evaluating liquefaction and lateral spreading in interbedded sand, silt, and clay deposits using the cone penetrometer.” Proceedings, 5th International Conference on Geotechnical and Geophysical Site Characterization, Gold Coast, Australia, September 5-9.

130. Boulanger, R. W., and Beaty, M. H. (2016). “Seismic deformation analyses of embankment dams: A reviewer’s checklist.” Proceedings, Celebrating the Value of Dams and Levees – Yesterday, Today and Tomorrow, 36^th USSD Annual Meeting and Conference, United States Society on Dams, Denver, CO, 535-546.

129. Price, A. B., DeJong, J. T., Boulanger, R. W., Parra Bastidas, A. M., and Moug, D. (2016). “Effect of prior strain history on cyclic strength and CPT penetration resistance of silica silt.” Proceedings, Geotechnical and Structural Engineering Congress, Phoenix, AZ, Feb. 14-17, ASCE, 1664-1674.

128. Darby, K. M., Bronner, J. D., Parra Bastidas, A. M., Boulanger, R. W., and DeJong, J. T. (2016). “Effect of shaking history on cone penetration resistance and cyclic strength of saturated sand.” Proceedings, Geotechnical and Structural Engineering Congress, Phoenix, AZ, Feb. 14-17, ASCE, 1460-1471.

127. Munter, S. K., Krage, C. P., Boulanger, R. W., DeJong, J. T., and Montgomery, J. (2016). “Potential for liquefaction-induced lateral spreading in interbedded deposits considering spatial variability.” Proceedings, Geotechnical and Structural Engineering Congress, Phoenix, AZ, Feb. 14-17, ASCE, 1484-1494.

126. Armstrong, R. J., and Boulanger, R. W. (2015). “Numerical simulations of liquefaction effects on piled bridge abutments.” 6th International Conference on Earthquake Geotechnical Engineering, November 1‑4, Christchurch, New Zealand.

125. Boulanger, R. W., and Montgomery, J. (2015). “Nonlinear deformation analyses of an embankment dam on a spatially variable liquefiable deposit.” 6th International Conference on Earthquake Geotechnical Engineering, November 1‑4, Christchurch, New Zealand.

124. Price, A. B., Boulanger, R. W., DeJong, J. T., Parra Bastidas, A. M., and Moug, D. (2015). “Cyclic strengths and simulated CPT penetration resistances in intermediate soils.” 6th International Conference on Earthquake Geotechnical Engineering, November 1‑4, Christchurch, New Zealand.

123. Tamura, S., Khosravi, M., Boulanger, R. W., Wilson, D. W., Olgun, C. G., Rayamajhi, D., and Wang, Y. (2015). “Site response of soft clay reinforced by soil-cement grid based on dynamic centrifuge tests.” 6th International Conference on Earthquake Geotechnical Engineering, November 1‑4, Christchurch, New Zealand.

122. Ziotopoulou, K., and Boulanger, R. W. (2015). “Validation protocols for constitutive modeling of liquefaction.” 6th International Conference on Earthquake Geotechnical Engineering, November 1‑4, Christchurch, New Zealand.

121. Dahl, K. R., DeJong, J. T., and Boulanger, R. W. (2015). “Effects of disturbance and consolidation procedures on the behavior of intermediate soils.” 12th Australia New Zealand Conference on Geomechanics (ANZ 2015), 22-25 February, Wellington, New Zealand.

120. Khosravi, M., Boulanger, R. W., Wilson, D. W., Tamura, S., Olgun, C. G., and Wang, Y. (2015). “Seismic performance of soil-cement grid supporting a structure over soft clay.” Proc. Deep Mixing 2015 Conf., Deep Foundations Institute, Hawthorne, NJ, 631-640.

119. Rayamajhi, D., Tamura, S., Khosravi, M., Boulanger, R. W., Wilson, D. W., Ashford, S. A., and Olgun, C. G. (2015). “Investigating reinforcing effects of soil-cement columns in liquefiable sand using dynamic centrifuge tests.” Proc. Deep Mixing 2015 Conf., Deep Foundations Institute, Hawthorne, NJ, 375-384.

118. Khosravi, M., Tamura, S., Boulanger, R., Wilson, D., Olgun, C., Rayamajhi, D., and Wang, Y. (2015). “Dynamic centrifuge tests on soft clay reinforced by soil-cement grids.” IFCEE 2015, ASCE, Reston, VA, 2349-2358, DOI 10.1061/9780784479087.218.

117. Boulanger, R. W., Montgomery, J., and Ziotopoulou, K. (2015). “Nonlinear deformation analyses of liquefaction effects on embankment dams.” Perspectives on Earthquake Geotechnical Engineering, A. Ansal and M. Sakr, eds., Geotechnical, Geological and Earthquake Engineering 37, 247-283, Springer, DOI 10.1007/978-3-319-10786-8_10.

116.  Ziotopoulou, K., Maharjan, M., Boulanger, R. W., Beaty, M. H., Armstrong, R. J., and Takahashi, A. (2014). “Constitutive modeling of liquefaction effects in sloping ground.” Tenth U.S. National Conference on Earthquake Engineering, Frontiers of Earthquake Engineering, July 21-25, Anchorage Alaska.

115.  Davis, C., Boulanger, R. W., and Johnson, L. (2014). “Lifelines and utilities.” Northridge 20 Symposium Summary Report, The 1994 Northridge Earthquake: Impacts, Outcomes, and Next Steps, January 16-17, Los Angeles, California, 17-18.

114.  Montgomery, J., and Boulanger, R. W. (2014). “Influence of stratigraphic interfaces on residual strength of liquefied soil.” Proceedings, Dams and Extreme Events – Reducing Risk of Aging Infrastructure under Extreme Loading Conditions, 34^th Annual United States Society on Dams Conference, San Francisco, CA, 101-111.

113.  Jaeger, R. A., DeJong, J. T., Boulanger, R. W., and Maki, I. P. (2014). “Effects of state parameter, fines content, and overburden stress on CPT resistance in silty sands.” Third International Symposium on Cone Penetration Testing, Las Vegas, NV, paper 2-39.

112.  Maki, I. P., Boulanger, R. W., DeJong, J. T., and Jaeger, R. A. (2014). “Overburden normalizations of CPT data in sands to clays.” Third International Symposium on Cone Penetration Testing, Las Vegas, NV, paper 2-34.

111.  Montgomery, J., Boulanger, R. W., Armstrong, R. J., and Malvick, E. J. (2014). “Anisotropic undrained shear strength parameters for non-linear deformation analyses of embankment dams.” Geo-Congress 2014: Geo-Characterization and Modeling for Sustainability, Geotechnical Special Publication 234, ASCE Geo-Institute, 1294-1306.

110.  Rayamajhi, D., Ashford, S. A., Boulanger, R. W., and Shao, L. (2013). “Non-linear analysis of shear stress redistribution for stone columns in liquefiable silty sand.” International Conference on Earthquake Geotechnical Engineering (ICEGE Istanbul 2013), From Case History to Practice, In honour of Professor Kenji Ishihara, Istanbul, Turkey, June 17-19.

109.  Khosravifar, A., and Boulanger, R. W. (2013). “Three-dimensional analyses of extended pile shafts subjected to liquefaction-induced lateral spreading loads.” Proceedings, Seventh National Conference on Bridges and Highways, MCEER-13-SP01, J. Kapur and T. Ostrom, eds., State University of New York, Buffalo, NY, paper C2-1.

108.  Boulanger, R. W., Kamai, R., and Ziotopoulou, K. (2013). “Simulation of liquefaction-induced void redistribution in a centrifuge test.” 10^th International Conference on Urban Earthquake Engineering, March 1-2, Tokyo Institute of Technology, Tokyo, Japan, 301-305.

107.  Ziotopoulou, K., and Boulanger, R. W. (2013). “Numerical modeling issues in predicting post-liquefaction reconsolidation strains and settlements.” 10^th International Conference on Urban Earthquake Engineering, March 1-2, Tokyo Institute of Technology, Tokyo, Japan, 469-475.

106.  Montgomery, J., Boulanger, R. W., and Harder, L. F., Jr. (2013). “Overburden correction factors for predicting liquefaction resistance under embankment dams.” Proceedings, Managing Aging Infrastructure, 33^rd Annual United States Society on Dams Conference, Phoenix, AZ, 693-709.

105.  DeJong, J. T., Jaeger, R. A., Randolph, M. F., Boulanger, R. W., and Wahl, D. (2012). “Variable penetration rate cone testing for characterization of intermediate soils.” Geotechnical and Geophysical Site Characterization 4 (ISC’4), Coutinho and Mayne, eds., Taylor and Francis Group, London, 25-42.

104.  Ziotopoulou, K., and Boulanger, R. W. (2012). “Constitutive modeling of duration and overburden effects in liquefaction evaluations.” 2^nd International Conference on Performance-Based Design in Earthquake Geotechnical Engineering, ISSMGE, Taormina, Italy, May 28-30, paper no. 03.10, 467-482.

103.  Khosravifar, A., and Boulanger, R. W. (2012). “Design of extended pile shafts for liquefaction effects.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 1690-1699.

102.  Montoya, B. M., DeJong, J. T., Boulanger, R. W., Wilson, D. W., Gerhard, R., Ganchenko, A., and Chou, J.-C. (2012). “Liquefaction mitigation using microbial-induced calcite precipitation.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 1918-1927.

101.  Nguyen, T. V., Rayamajhi, D., Boulanger, R. W., Ashford, S. A., Lu, J., Elgamal, A., and Shao, L. (2012). “Effect of DSM grids on shear stress distribution in liquefiable soil.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 1948-1957.

100.  Rayamajhi, D., Nguyen, T. V., Ashford, S. A., Boulanger, R. W., Lu, J., Elgamal, A., and Shao, L. (2012). “Effect of discrete columns on shear stress distribution in liquefiable soil.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 1908-1917.

99.    Tom, J. G., DeJong, J. T., Boulanger, R. W., and Boylan, N. (2012). “Characterization and modeling of a reconstituted offshore silty clay.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 869-879.

98.    Ziotopoulou, K., Boulanger, R. W., and Kramer, S. L. (2012). “Site response analyses of liquefying sites.” Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, R. D. Hyrciw, A. Athanasopoulos-Zekkos, and N. Yesiller, eds., Geotechnical Special Publication No. 225, ASCE Geo-Institute, 1799-1808.

97.    Montgomery, J., and Boulanger, R. W. (2012). “Overburden correction factors for liquefaction.” Joint Conference Proceedings, 9^th International Conference on Urban Earthquake Engineering and 4^th Asia Conference on Earthquake Engineering, March 6-8, Tokyo Institute of Technology, Tokyo, Japan, 443-450.

96.    Rayamajhi, D., Ashford, S. A., Nguyen, T. V., Boulanger, R. W., Lu, J., Elgamal, A., and Shao, L. (2012). “Shear stress reduction due to circular reinforcement columns in liquefiable soils.” Joint Conference Proceedings, 9^th International Conference on Urban Earthquake Engineering and 4^th Asia Conference on Earthquake Engineering, March 6-8, Tokyo Institute of Technology, Tokyo, Japan, 607-613.

95.    Boulanger, R. W. (2012). “Liquefaction in the 2011 Great East Japan Earthquake: Lessons for U.S. Practice.” Proceedings of the International Symposium on Engineering Lessons Learned from the 2011 Great East Japan Earthquake, March 1-4, Tokyo, Japan, pp. 655-664.

94.    Boulanger, R. W., Kamai, R., and Ziotopoulou, K. (2011). “Numerical modeling of liquefaction effects.” Proc., Effects of Surface Geology on Seismic Motion, 4^th IASPEI / IAEE International Symposium, August 23-26, University of California, Santa Barbara, CA.

93.    Boulanger, R. W., and Idriss, I. M. (2011). “Challenges in estimating the in-situ strength of liquefied soil.” 8^th International Conference on Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo, Japan, 9-14.

92.    Kamai, R., and Boulanger, R. W. (2011). “Numerical simulations of a centrifuge test to study void-redistribution and shear localization effects.” 8^th International Conference on Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo, Japan, 455-459.

91.    Boulanger, R. W., and Idriss, I. M. (2011). “Cyclic failure and liquefaction: Current issues.” 5^th International Conference on Earthquake Geotechnical Engineering, Santiago, Chile, Jan 10-13.

90.    Jaeger, R. A., DeJong, J. T., and Boulanger, R. W. (2011). “Cylindrical cavity expansion analysis of variable penetration rate cone penetration testing using an anisotropic soil model.” Geo-Frontiers 2011: Advances in Geotechnical Engineering, ASCE, 2288-2297.

89.    Boulanger, R. W. (2010). “Future directions in geotechnical earthquake engineering.” Proceedings, 9^th U.S. National and 10^th Canadian Conference on Earthquake Engineering, Earthquake Engineering Research Institute, Oakland, CA, paper 1897.

88.    Wilson, D. W., Kutter, B. L, and Boulanger, R. W. (2010). “NEES @ UC Davis.” Seventh International Conference on Physical Modeling in Geotechnics (ICPMG 2010), Switzerland, Vol. 1, 291-296.

87.    Dahl, K. R., Boulanger, R. W., DeJong, J. T., and Driller, M. W. (2010). “Effects of sample disturbance and consolidation procedures on cyclic strengths of intermediate soils.” Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, San Diego, CA, paper OSP-1.

86.    Boulanger, R. W. (2010). “Sand plasticity model for nonlinear seismic deformation analyses.” Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, San Diego, CA, paper IMI-6.

85.    Jaeger, R. A., DeJong, J. T., Boulanger, R. W., Low, H. E., and Randolph, M. F. (2010). “Variable penetration rate CPT in an intermediate soil.” Second International Symposium on Cone Penetration Testing, Huntington Beach, CA, paper 2-50.

84.    Armstrong, R. J., Boulanger, R. W., and Beaty, M. H. (2010). “Nonlinear numerical modeling of centrifuge test results for embankments underlain by liquefied soil.” Proceedings, Collaborative Management of Integrated Watersheds, 30^th Annual United States Society on Dams Conference, Sacramento, CA, 201-215.

83.    Dahl, K. R., DeJong, J. T., Boulanger, R. W., and Driller, M. W. (2010). “Laboratory testing of an alluvial clayey and silty sand.” Proceedings, Collaborative Management of Integrated Watersheds, 30^th Annual United States Society on Dams Conference, Sacramento, CA, 185-199.

82.    Armstrong, R. J., Boulanger, R. W., and Beaty, M. H. (2010). “Non-linear dynamic modeling of bridge embankments underlain by liquefied soil.” Seventh International Conference on Urban Earthquake Engineering (7CUEE) and Fifth International Conference on Earthquake Engineering (5ICEE), Tokyo Institute of Technology, Tokyo, Japan, 463-466.

81.    Kamai, R., and Boulanger, R. W. (2010). “Characterizing localization processes during liquefaction using inverse analyses of instrumentation arrays.” Meso-Scale Shear Physics in Earthquake and Landslide Mechanics, Y. H. Hatzor, J. Sulem, and I. Vardoulakis, eds., CRC Press, 219-238.

80.    Ashford, S. A., Boulanger, R. W., Brandenberg, S. J., and Shantz, T. (2009). “Overview of recommended analysis procedures for pile foundations in laterally spreading ground.” TCLEE 2009: Lifeline Earthquake Engineering in a Multihazard Environment, ASCE, 585-592.

79.    Howell, R., Rathje, E., Marinucci, A., Kamai, R., Boulanger, R. W., Conlee, C., and Kano, S. (2009). “Centrifuge modeling of liquefaction sites treated with prefabricated drains.” Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho, Tsukamoto, and Yoshimine, eds., Taylor and Francis Group, London, 1729-1736.

78.    Boulanger, R. W. (2009). “Evaluating seismic performance of earth structures and soil-structure systems.” Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho, Tsukamoto, and Yoshimine, eds., Taylor and Francis Group, London, 229-231.

77.    Conlee, C. T., Gallagher, P. M., Boulanger, R. W., and Kamai, R. (2009). “Centrifuge modeling for liquefaction mitigation using colloidal silica stabilizer.” Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho, Tsukamoto, and Yoshimine, eds., Taylor and Francis Group, London, 1763-1770.

76.    Suzuki, H., Tokimatsu, K., and Boulanger, R. W. (2009). “Effects of ground displacement on piles with different strength during lateral spreading in centrifuge test.” Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho, Tsukamoto, and Yoshimine, eds., Taylor and Francis Group, London, 1755-1762.

75.    Boulanger, R. W., and Kishida, T. (2009). “Seismic response models for Sacramento-San Joaquin Delta levees.” Sixth International Conference on Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo, Japan.

74.    Kamai, R., Boulanger, R. W., Kano, S., Marinucci, A., Howell, R., Rathje, E., Conlee, C., and Gallagher, P. (2008). “Effects of void redistribution on post-earthquake residual strengths for liquefiable soils.” Proceedings, Dam Safety 2008, Association of State Dam Safety Officials, Lexington, KY.

73.    Dahl, K. R., Boulanger, R. W., and DeJong, J. T. (2008). “Cyclic strength testing of low plasticity fine-grained soils.” Proceedings, Dam Safety 2008, Association of State Dam Safety Officials, Lexington, KY.

72.    Armstrong, R. J., Boulanger, R. W., Gulerce, U., Kutter, B. L., and Wilson, D. W. (2008). “Centrifuge modeling of pile pinning effects.” Geotechnical Earthquake Engineering and Soil Dynamics IV, D. Zeng, M. Manzari, and D. Hiltunen, eds., Geotechnical Special Publication No. 181, ASCE, NY.

71.    Marinucci, A., Rathje, E., Kano, S., Kamai, R., Conlee, C., Howell, R., Boulanger, R., and Gallagher, P. (2008). “Centrifuge testing of prefabricated vertical drains for liquefaction remediation.” Geotechnical Earthquake Engineering and Soil Dynamics IV, D. Zeng, M. Manzari, and D. Hiltunen, eds., Geotechnical Special Publication No. 181, ASCE, NY.

70.    Wilson, D. W., Boulanger, R. W., and Gilley, C. W. (2008). “Damages to a deep sewer system installation.” TRB 87^th Annual Meeting Compendium of Papers, Transportation Research Board, Washington, paper 08-0702.

69.    Boulanger, R. W., and Kishida, T. (2007). “Seismic site response and hazards for the Sacramento-San Joaquin Delta in California.” Keynote lecture, International Conference on Civil and Environmental Engineering, Hiroshima University, October 11-12, Japan, 1-9.

68.    Kano, S., Hata, Y., Boulanger, R. W., and Kamai, R. (2007). “Numerical analysis on the seismic response of liquefiable ground improved by the prefabricated drains.” International Conference on Civil and Environmental Engineering, Hiroshima University, October 11-12, Japan.

67.    Idriss, I. M., and Boulanger, R. W. (2007). “SPT- and CPT-based relationships for the residual shear strength of liquefied soils.” Earthquake Geotechnical Engineering, 4^th International Conference on Earthquake Geotechnical Engineering – Invited Lectures, K. D. Pitilakis, ed., Springer, The Netherlands, 1-22.

66.    Boulanger, R. W., Chang, D., Brandenberg, S. J., Armstrong, R. J., and Kutter, B. L. (2007). “Seismic design of pile foundations for liquefaction effects.” Earthquake Geotechnical Engineering, 4^th International Conference on Earthquake Geotechnical Engineering – Invited Lectures, K. D. Pitilakis, ed., Springer, The Netherlands, 277-302.

65.    Chu, D. B., Stewart, J. P., Lin, P. S., and Boulanger, R. W. (2007). “Cyclic softening of low-plasticity clay and its effect on seismic foundation performance.” Earthquake Geotechnical Engineering, 4^th International Conference on Earthquake Geotechnical Engineering – Conference Presentations, Springer, The Netherlands, paper 1490.

64.    Rix, G. J., Rathje, E. M., Gallagher, P. M., and Boulanger, R. W. (2007). “Large-scale geotechnical simulations to advance seismic risk management for ports.” 4^th International Conference on Earthquake Geotechnical Engineering, Workshop presentations, Aristotle University of Thessaloniki, Thessaloniki, Greece, paper W1-1008.

63.    Idriss, I. M., and Boulanger, R. W. (2007). “Residual shear strength of liquefied soils.” Proceedings, Modernization and Optimization of Existing Dams and Reservoirs, 27^th Annual United States Society on Dams Conference, USSD, Denver, CO, 621-634.

62.    Chu, D. B., Stewart, J. P., Lin, P. S., and Boulanger, R. W. (2006). “Cyclic softening of low-plasticity clay and its effect on seismic foundation performance.” 4^th International Conference on Earthquake Engineering, Taipei, Taiwan, Oct. 12-13, paper 287.

61.    Kishida, T., Boulanger, R. W., Abrahamson, N. A., Wehling, T. M., and Driller, M. W. (2006). “Estimation of seismic wave amplification in Sacramento-San Joaquin Delta.”  Proceedings of New Zealand Workshop on Geotechnical Earthquake Engineering – 2006, M. Cubrinovski and M. Pender, eds., University of Canterbury, Christchurch, New Zealand, 89-98.

60.    Kishida, T., Boulanger, R. W., Wehling, T. M., and Driller, M. W. (2006). “Variation of small strain stiffness for peat and organic soil.” 8^th U.S. National Conference on Earthquake Engineering, Earthquake Engineering Research Institute, Paper no. 1057.

59.    Brandenberg, S. J., Boulanger, R. W., Kutter, B. L., and Chang, D. (2006). “Monotonic and cyclic pushover analyses of pile foundations in laterally spreading ground.” 8th U.S. National Conference on Earthquake Engineering, Earthquake Engineering Research Institute, Paper no. 1480.

58.    Boulanger, R. W., and Idriss, I. M. (2006). “Assessing the potential for strength loss and deformations in low plasticity silts and clays during earthquakes.” Third International Conference on Urban Earthquake Engineering, Tokyo Institute of Technology, Tokyo, Japan, 77-84.

57.    Boulanger, R. W., Chang, D., Gulerce, U., Brandenberg, S., and Kutter, B. L. (2006). “Evaluating pile pinning effects on abutments over liquefied ground.” Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground, R. W. Boulanger and K. Tokimatsu, eds., Geotechnical Special Publication No. 145, ASCE, 306-318.

56.    Brandenberg, S. J., Boulanger, R. W., Kutter, B. L., and Chang, D. (2006). “Observations and analysis of pile groups in liquefied and laterally spreading ground in centrifuge tests.” Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground, R. W. Boulanger and K. Tokimatsu, eds., Geotechnical Special Publication No. 145, ASCE, 161-172.

55.    Chang, D., Boulanger, R. W., Brandenberg, S. J., and Kutter, B. L. (2006). “Dynamic analyses of soil-pile-structure interaction in laterally spreading ground during earthquake shaking.” Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground, R. W. Boulanger and K. Tokimatsu, eds., Geotechnical Special Publication No. 145, ASCE, 218-229.

54.    Boulanger, R. W., Wilson, D. W., Kutter, B. L., Brandenberg, S. J., Chang, D., and Gulerce, U. (2005). “Identifying interaction mechanisms for pile foundations in laterally spreading ground.” Proceedings, 1^st Greece-Japan Workshop on Seismic Design, Observation, and Retrofit of Foundations, G. Gazetas, Y. Goto, and T. Tazoh, eds., National Technical University of Athens, Greece, 69-76.

53.    Boulanger, R. W., and Idriss, I. M. (2005). “Evaluating cyclic failure in silts and clays.” Proceedings, Geotechnical Earthquake Engineering Satellite Conference on Performance Based Design in Earthquake Geotechnical Engineering: Concepts and Research. Prepared by TC4 Committee of ICSMGE, Japanese Geotechnical Society, Tokyo, 78-86.

52.    Boulanger, R.W. (2005). “Technical Session 4b: Earthquake related problems.” Proceedings, 16^th International Conference on Soil Mechanics and Geotechnical Engineering, Preprints of the Practitioner/Academic Forum and General Reports, Millpress Science Publishers, Rotterdam, 201-208.

51.    Malvick, E. J., Kutter, B. L., Boulanger, R. W., Kabasawa, K., and Kokusho, T. (2005). “Void redistribution research with 1-g and centrifuge modeling.” Proceedings, 16^th International Conference on Soil Mechanics and Geotechnical Engineering, Millpress Science Publishers, Rotterdam, Vol. 4, 2543-2546.

50.    Chang, D., Boulanger, R. W., Kutter, B. L, and Brandenberg, S. J. (2005). “Inertia and spreading load combinations of soil-pile-structure system during liquefaction-induced lateral spreading in centrifuge tests.” Proceedings, 16^th International Conference on Soil Mechanics and Geotechnical Engineering, Millpress Science Publishers, Rotterdam, Vol. 4, 1967-1970.

49.    Boulanger, R. W., and Idriss, I. M. (2005). “New criteria for distinguishing between silts and clays that are susceptible to liquefaction versus cyclic failure.” Proceedings, Technologies to Enhance Dam Safety and the Environment, 25^th Annual United States Society on Dams Conference, USSD, Denver, CO, 357-366.

48.    Brandenberg, S. J., Boulanger, R. W., Chang, D., and Kutter, B. L. (2005). “Mechanisms of load transfer between pile groups and laterally spreading nonliquefied crust layers.” Proceedings, International Symposium on Earthquake Engineering Commemorating Tenth Anniversary of the 1995 Kobe Earthquake (ISEE Kobe 2005), Japan Association for Earthquake Engineering, Japan, B153-B162.

47.    Chang, D., Boulanger, R. W., Kutter, B. L, and Brandenberg, S. J. (2005). “Experimental observations of inertial and lateral spreading loads on pile groups during earthquakes.” Earthquake Engineering and Soil Dynamics, Geotechnical Special Publication 133, ASCE.

46.    Boulanger, R. W., and Brandenberg, S. J. (2004). “Neutral plane solution for liquefaction-induced down-drag on vertical piles.” Proceedings, Geotechnical Engineering for Transportation Projects, Geotechnical Special Publication No. 126, M. K. Yegian and E. Kavazanjian, eds., ASCE, 403‑410.

45.    Boulanger, R. W., Wilson, D. W., Kutter, B. L., Brandenberg, S. J., and Chang, D. (2004). “Nonlinear FEM analyses of soil-pile interaction in liquefying sand.” Proceedings, Geotechnical Engineering for Transportation Projects, Geotechnical Special Publication No. 126, M. K. Yegian and E. Kavazanjian, eds., ASCE, 470-478.

44.    Wilson, D. W., Boulanger, R. W., Feng, X., Hamann, B., Jeremic, B., Kutter, B. L., Ma, K.-L., Santamarina, C., Sprott, K. S., Velinsky, S. A., Weber, G., and Yoo, S. J. B. (2004). “The NEES geotechnical centrifuge at UC Davis.” Proceedings, 13^th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, paper no. 2497.

43.    Brandenberg, S. J., Boulanger, R. W., Kutter, B. L., Wilson, D. W., and Chang, D. (2004). “Load transfer between pile groups and laterally spreading ground during earthquakes.” Proceedings, 13^th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, paper no. 1516.

42.    Idriss, I. M., and Boulanger, R. W. (2004). “Semi-empirical procedures for evaluating liquefaction potential during earthquakes.” Proc., 11^th International Conference on Soil Dynamics and Earthquake Engineering, and 3^rd International Conference on Earthquake Geotechnical Engineering, D. Doolin et al., eds., Stallion Press, Vol. 1, 32-56.

41.    Boulanger, R. W. and Idriss, I. M. (2004). “State normalization of penetration resistances and the effect of overburden stress on liquefaction resistance.” Proc., 11^th International Conference on Soil Dynamics and Earthquake Engineering, and 3^rd International Conference on Earthquake Geotechnical Engineering, D. Doolin et al., eds., Stallion Press, Vol. 2, 484-491.

40.    Malvick, E. J., Kutter, B. L., Boulanger, R. W., and Feigenbaum, H. P. (2004). “Post-shaking failure of sand slope in centrifuge test.” Proc., 11^th International Conference on Soil Dynamics and Earthquake Engineering, and 3^rd International Conference on Earthquake Geotechnical Engineering, D. Doolin et al., eds., Stallion Press, Vol. 2, 447-455.

39.    Idriss, I. M., and Boulanger, R. W. (2003). “Relating K_a and K_s to SPT blow count and to CPT tip resistance for use in evaluating liquefaction potential.” Proceedings, Dam Safety 2003, Association of State Dam Safety Officials, Lexington, KY.

38.    Malvick, E. J., Kulasingam, R., Boulanger, R. W., and Kutter, B. L. (2003). “Analysis of a void redistribution mechanism in liquefied soil.” Proceedings, Soil and Rock America 2003, P. J. Culligan, H. H. Einstein, and A. J. Whittle, eds., Verlag Gluckauf GMBH, Essen, Germany, Vol. 1, 955-962.

37.    Idriss, I. M., and Boulanger, R. W. (2003). “Estimating K_a for use in evaluating cyclic resistance of sloping ground.” Proc. 8th US-Japan Workshop on Earthquake Resistant Design of Lifeline Facilities and Countermeasures Against Liquefaction, Hamada, O’Rourke, & Bardet, eds., Report MCEER-03-0003, MCEER, SUNY Buffalo, NY, 449-468.

36.    Kutter, B. L., Malvick, E. J., Kulasingam, R., and Boulanger, R. W. (2003). “Interpretation and visualization of model test data for slope failure in liquefying soil.” Proc. 8th US-Japan Workshop on Earthquake Resistant Design of Lifeline Facilities and Countermeasures Against Liquefaction, Hamada, O’Rourke, & Bardet, eds., Report MCEER-03-0003, MCEER, SUNY Buffalo, NY, 359-370.

35.    Brandenberg, S. J., Boulanger, R. W., and Kutter, B. L. (2002). “p-y behavior in liquefied and laterally spreading ground in centrifuge tests.” Proceedings, US-Japan Seminar on Seismic Disaster Mitigation in Urban Area by Geotechnical Engineering, Anchorage, AK, June 26-27, University of Tokyo, Japan, pp. 725-737.

34.    Boulanger, R. W. (2002). “Evaluating liquefaction resistance at high overburden stresses.” Proceedings, 3^rd US-Japan Workshop on Advanced Research on Earthquake Engineering for Dams, United States Society for Dams (USSD), San Diego, CA, June 22-23.

33.    Mitchell, J. K., and Boulanger, R. W. (2002). “Post-liquefaction remediation of earthquake damaged sites – Some case histories.” Proceedings of the 19^th Geotechnical Seminar on Current Trends in Geotechnical Engineering, Pennsylvania Section of ASCE, Pennsylvania, PA.

32.    Hutchinson, T. C., Curras, C. J., Boulanger, R. W., Chai, Y. H., and Idriss, I. M. (2002). “Dynamic response of bridge structures supported on extended reinforced concrete pile shafts.” Proceedings of the Third National Seismic Conference and Workshop on Bridges and Highways, Report MCEER-02-SP04, MCEER, SUNY Buffalo, 521-525.

31.    Singh, P., Brandenberg, S. J., Boulanger, R. W., and Kutter, B. K. (2002). “Behavior of pile foundations in liquefied and laterally spreading ground.” Proceedings ASCE/AEG/UMKC Geotechnical Conference, Kansas City, MO, April 6, 2002.

30.    Malvick, E. J., Kulasingam, R., Kutter, B. L., and Boulanger, R. W. (2002). “Void redistribution and localized shear strains in slopes during liquefaction.” International Conference on Physical Modeling in Geotechnics – ICPMGE ¢02, R. Phillips, P. Guo, and R. Popescu, eds., Balkema, Rotterdam, 495-500.

29.    Kulasingam, R., Malvick, E. J., Boulanger, R. W., and Kutter, B. K. (2001). “Void redistribution and localization of shear strains in model sand slopes with silt seams: Report on first year activities.” Proceedings of the US-Japan Cooperative Research in Urban Earthquake Disaster Mitigation Workshop, Seattle, WA, August 15, 2001.

28.    Wehling, T. M., Boulanger, R. W., Harder, L. F., Jr., and Driller, M. W. (2001). “Confinement and disturbance effects on dynamic properties of fibrous organic soil.” Proceedings, Lessons Learned from Recent Large Earthquakes, Earthquake Geotechnical Engineering Satellite Conference, A. Ansal, ed., Istanbul, Turkey, 211-217.

27.    Brandenberg, S. J., Singh, P., Boulanger, R. W., and Kutter, B. L. (2001). “Behavior of piles in laterally spreading ground during earthquakes.” The Sixth Caltrans Seismic Research Workshop, Radisson Hotel, Sacramento, California, June 12-13, Paper 02-106.

26.    Curras, C. J., Hutchinson, T. C., Boulanger, R. W., Chai, Y.-H., and Idriss, I. M. (2001). “Lateral loading and seismic response of CIDH pile supported bridge structures.” Foundations and Ground Improvement, T. L. Brandon, ed., Geotechnical Special Publication No. 113, ASCE, 260-275.

25.    Arulnathan, R., Boulanger, R. W., and Idriss, I. M. (2001). “Site response of organic soils.” Proceedings, Fourth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, S. Prakash, ed., University of Missouri-Rolla, Rolla, Missouri, Paper 1.07.

24.    Hutchinson, T. C., Curras, C. J., Boulanger, R. W., Chai, Y.-H., and Idriss, I. M. (2001). “Inelastic seismic response of bridge structures supported on extended pile shafts.” Proceedings, Second U.S.-Japan Workshop on Soil-Structure Interaction, Building Research Institute, Ministry of Construction, Japan, Paper B-10.

23.    Stewart, D. P., Idriss, I. M., Boulanger, R. W., Hashash, Y., and Schmidt, B. (1999). “Mitigation of earthquake liquefaction hazards: A review of physical modeling studies.” Proceedings, 8^th Australia New Zealand Conference on Geomechanics, N. Vitharana and R. Colman, eds., Australian Geotechnical Society, 1,337-343.

22.    Kulasingam, R., Boulanger, R. W., and Idriss, I. M. (1999). “Evaluation of CPT liquefaction analysis methods against inclinometer data from Moss Landing.” Proceedings, 7^th US-Japan Workshop on Earthquake Resistant Design of Lifeline Facilities and Countermeasures Against Liquefaction, Technical Report MCEER-99-0019, MCEER, SUNY, Buffalo, 35-54.

21.    Finn, W. D. L., Thavaraj, T., Wilson, D. W., Boulanger, R. W., and Kutter, B. L. (1999). “Seismic response analysis of pile foundations at liquefiable sites.” Proceedings, 7^th US-Japan Workshop on Earthquake Resistant Design of Lifeline Facilities and Countermeasures Against Liquefaction, Technical Report MCEER-99-0019, MCEER, SUNY, Buffalo, 579-586

20.    Curras, C. J., Boulanger, R. W., Kutter, B. L., and Wilson, D. W. (1999). “Seismic soil-pile-structure interaction in soft clay.” Proceedings, 2^nd International Conference on Earthquake Geotechnical Engineering, P. S. Seco e Pinto, ed., Balkema, Rotterdam, 3, 965-970.

19.    Wilson, D. W., Boulanger, R. W., and Kutter, B. L. (1999). “Lateral resistance of piles in liquefying sand.” OTRC ¢99 Conference on Analysis, Design, Construction and Testing of Deep Foundations, J. M. Roesset, ed., Geotechnical Special Publication No. 88, ASCE, 165-179.

18.    Boulanger, R. W. (1999). “Void redistribution in sand following earthquake loading.” Physics and Mechanics of Soil Liquefaction, Lade and Yamamura, eds., Balkema, Rotterdam, 261-268.

17.    Boulanger, R. W., Curras, C. J., Kutter, B. L., Wilson, D. W., and Abghari, A. (1998). “Seismic soil-pile-structure interaction experiments and analyses.” The Fifth Caltrans Seismic Research Workshop, Radisson Hotel, Sacramento, California, June 16-18.

16.    Wilson, D. W., Boulanger, R. W., Kutter, B. L., and Abghari, A. (1998). “Lateral resistance of liquefying sand.” The Fifth Caltrans Seismic Research Workshop, Radisson Hotel, Sacramento, California, June 16-18.

15.    Boulanger, R. W., Idriss, I. M., Stewart, D. P., Hashash, Y., and Schmidt, B. (1998). “Drainage capacity of stone columns or gravel drains for mitigating liquefaction.” Proceedings, Geotechnical Earthquake Engineering and Soil Dynamics III, P. Dakoulas, M. Yegian, and R. D. Holtz, eds., Geotechnical Special Publication No. 75, ASCE, 678-690.

14.    Wilson, D. W., Boulanger, R. W., and Kutter, B. L. (1998). “Signal processing for and analyses of dynamic soil-pile-interaction experiments.” Proceedings, Centrifuge 98, Kimura, Kusakabe and Takemura, eds., Balkema, Rotterdam, 1, 135-140.

13.    Wilson, D. W., Boulanger, R. W., Kutter, B. L., and Abghari, A. (1997). “Aspects of dynamic centrifuge testing of soil-pile-superstructure interaction.”  Observation and Modeling in Numerical Analysis and Model Tests in Dynamic Soil-Structure Interaction Problems, T. Nogami, Ed., Geotechnical Special Publication No. 64, ASCE, 47-63.

12.    Harder, L. F., and Boulanger, R. W. (1997). “Application of K_s and K_a correction factors.”  Proceedings of the NCEER Workshop on Evaluation of Liquefaction Resistance of Soils, T. L. Youd and I. M. Idriss, Eds., Technical Report NCEER-97-0022, National Center for Earthquake Engineering Research, SUNY, Buffalo, 167-190.

11.    Wilson, D. W., Boulanger, R. W., Kutter, B. L., and Abghari, A. (1996). “Soil-pile-superstructure interaction experiments with liquefiable sand in the centrifuge.”  The Fourth Caltrans Seismic Research Workshop, Radisson Hotel, Sacramento, California, July 9-11.

10.    Boulanger, R. W. (1996). “Geotechnical aspects of the January 17, 1995 Hyogoken-Nanbu Earthquake.”  The Fourth Caltrans Seismic Research Workshop, Radisson Hotel, Sacramento, California, July 9-11.

9.      Wilson, D. W., Boulanger, R. W., Kutter, B. L., and Abghari, A. (1995). “Dynamic centrifuge tests of pile-supported structures in liquefiable sand.”  Proceedings, National Seismic Conference on Bridges and Highways, Progress in Research and Practice, Sponsored by Federal Highway Administration and California Department of Transportation, San Diego, CA, December 10-13.

8.      Mejia, L. H., and Boulanger, R. W. (1995). “A long-term test of compaction grouting for liquefaction mitigation.”  Earthquake-Induced Movements and Seismic Remediation of Existing Foundations and Abutments, S. L. Kramer and R. Siddharthan, eds., Geotechnical Special Publication No. 55, ASCE, 94-109.

7.      Boulanger, R. W., Bray, J. D., and Seed, R. B. (1993). “Response of two dams in the 1987 Whittier Narrows Earthquake.”  Proceedings, Third International Conference on Case Histories in Geotechnical Engineering, S. Prakash, Ed., University of Missouri-Rolla, Rolla, MO, 1, 635-642.

6.      Mejia, L. H., and Boulanger, R. W. (1993). “Calibrated dynamic response analysis of Stafford Dam.”  Proceedings, Third International Conference on Case Histories in Geotechnical Engineering, S. Prakash, Ed., University of Missouri-Rolla, Rolla, MO, 1, 321-328.

5.      Kutter, B. L., and Boulanger, R. W. (1993). General report for Session 13, “Case histories of new solutions to traditional geotechnical problems.”  Proceedings, Third International Conference on Case Histories in Geotechnical Engineering, S. Prakash, Ed., University of Missouri-Rolla, Rolla, MO, 3, 1691-1693.

4.      Boulanger, R. W., Mejia, L. H., Harder, L. F., Kanakari, H., and Rice, J. (1993). “Compaction grouting of liquefiable soils at the CWOC site.”  Proceedings, Ground Improvement – 7th Annual Vancouver Geotechnical Society Symposium, Bi-Tech Publishers Ltd., Richmond, B.C., Canada.

3.      Boulanger, R. W., Bray, J. D., Merry, S. M., and Mejia, L. H. (1993). “Dynamic response analyses of Cogswell Dam during the 1991 Sierra Madre and 1987 Whittier Narrows earthquakes.”  Proceedings,  CSMIP93 Seminar on Seismological and Engineering Implications of Recent Strong-Motion Data, Sacramento, CA, 91 – 104.

2.      Bray, J. D., Boulanger, R. W., Chew, S. H., and Seed, R. B. (1991). “Finite element analysis in geotechnical engineering.”  Proceedings ASCE 8th Computing in Civil Engineering Conference, June 7-9, 1992, Dallas, TX.

1.      Seed, R. B, Bray, J. D., Boulanger, R. W., and Seed, H. B. (1989). “Seismic response of the Puddingstone and Cogswell Dams in the 1987 Whittier Narrows Earthquake.”  Proceedings, CSMIP89 Seminar on Seismological and Engineering Implications of Recent Strong Motion Data, Sacramento, CA, 7-1 through 7-10.