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University of California, Berkeley
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Jonathan D. Bray
Professor   bray@ce.berkeley.edu
Jonathan Bray
Recent Publications
Journal Papers

 Bray, J.D., D.P. Zekkos, E. Kavazanjian, G. Athanasopoulos and M.F. Riemer, "Shear Strength of Municipal Solid Waste," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, June 2009, Vol. 135, No. 6, pp. 709-722.

 Bray, J.D., A. Rodriguez-Marek and J.L. Gillie, "Design Ground Motions Near Active Faults," Bulletin of the New Zealand Society for Earthquake Engineering, March 2009, Vol. 42, No. 1, 8 pp.

 Youd, T.L., D.W. DeDen, J.D. Bray, R. Sancio, K.O. Cetin and T. Gerber, "Zero-Displacement Lateral Spreads, 1999 Kocaeli, Turkey, Earthquake," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, January 2009, Vol. 135, No. 1, pp. 46-61.

 Bray, J.D. and R.B. Sancio, "Closure to ‘Assessment of the Liquefaction Susceptibility of Fine-Grained Soils,’" Journal of Geotechnical and Geoenvironmental Engineering, ASCE, July 2008, Vol. 134, No. 7, pp. 1031-1034.

 Seed, R.B., R.G. Bea, A. Athanasopoulos-Zekkos, G.P. Boutwell, J.D. Bray, C. Cheung, D. Cobos-Roa, L. Ehrensing, L.F. Harder, Jr., J.M. Pestana, M.F. Riemer, J.D. Rogers, R. Storesund, X. Vera-Grunauer and J. Wartman, "New Orleans and Hurricane Katrina II: The Central Region and the Lower Ninth Ward," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, May 2008, Vol. 134, No. 5, pp. 718-739.

 Seed, R.B., R.G. Bea, A. Athanasopoulos-Zekkos, G.P. Boutwell, J.D. Bray, C. Cheung, D. Cobos-Roa, L.F. Harder, Jr., R.E.S. Moss, J.M. Pestana, M.F. Riemer, J.D. Rogers, R. Storesund, X. Vera-Grunauer and J. Wartman, "New Orleans and Hurricane Katrina III: The 17th Street Drainage Canal," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, May 2008, Vol. 134, No. 5, pp. 740-761.

 Seed, R.B., R.G. Bea, A. Athanasopoulos-Zekkos, G.P. Boutwell, J.D. Bray, C. Cheung, D. Cobos-Roa, D., J. Cohen-Waeber, B.D. Collins, L.F. Harder, Jr., R.E. Kayen,J.M. Pestana, M.F. Riemer, J.D. Rogers, R. Storesund, X. Vera-Grunauer and J. Wartman, "New Orleans and Hurricane Katrina IV: Orleans East Bank (Metro) Protected Basin," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, May 2008, Vol. 134, No. 5, pp. 762-779.

 Zekkos, D. and J.D. Bray and M.F. Riemer, "Shear Modulus and Material Damping of Municipal Solid Waste Based on Large-Scale Cyclic Triaxial Testing," Canadian Geotechnical Journal, January 2008, Vol. 45, No. 1 , pp. 45-58.

 Bray, J.D. and T. Travasarou, "Simplified Procedure for Estimating Earthquake-Induced Deviatoric Slope Displacements," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, April 2007, Vol. 133, No. 4, pp. 381-392, doi: 10.1061/(ASCE)1090-0241(2007)133:4(381).

 Rodriguez-Marek, A. and J.D. Bray, "Seismic Site Effects for Near-Fault Forward Directivity Ground Motions," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, December 2006, Vol. 132, No. 12, pp. 1611-1620, doi: 10.1061/(ASCE)1090-0241(2006)132:12(1611).

 Rathje, E.M., J.P. Stewart, M.B. Baturay, J.D. Bray and J.P. Bardet,, "Strong Ground Motions and Damage Patterns from the 1999 Duzce Earthquake in Turkey," Journal of Earthquake Engineering, November 2006, Vol. 10, No. 5, pp. 693-724.

 Zekkos, D.P., J.D. Bray, E. Kavazanjian, N. Matasovic, E.M. Rathje, M.F. Riemer and K.H. Stokoe II, "Unit Weight of Municipal Solid Waste," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, October 2006, Vol. 132, No. 10, pp. 1250-1261, doi: 10.1061/(ASCE)1090-0241(2006)132:10(1250).

 Bray, J.D. and R.B. Sancio, "Assessment of the Liquefaction Susceptibility of Fine-Grained Soils," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, September 2006, Vol. 132, No. 9, pp. 1165-1177, doi: 10.1061/(ASCE)1090-0241(2006)132:9(1165).

 Cetin, O.K., T.L. Youd, R.B. Seed, J.D. Bray, J.P. Stewart, H.T. Durgunoglu, W. Lettis and M.T. Yilmaz, "Closure to 'Liquefaction-Induced Lateral Spreading at Izmit Bay During the Kocaeli (Izmit) - Turkey Earthquake,'" Journal of Geotechnical and Geoenvironmental Engineering, ASCE, July 2006, Vol. 132, No. 7, pp. 956-959.

 Bray, J. D., R. B. Sancio, T. Durgunoglu, A. Onalp, T. L. Youd, J. P. Stewart, R. B. Seed, O.K. Cetin, E. Bol, M. B. Baturay, C. Christensen and T. Karadayilar, "Closure to ‘Subsurface Characterization at Ground Failure Sites in Adapazari, Turkey,’" Journal of Geotechnical and Geoenvironmental Engineering, ASCE, April 2006, Vol. 132, No. 4, pp. 541-547.

 Bray, J.D. and K.I. Kelson, "Observations of Surface Fault Rupture from the 1906 Earthquake in the Context of Current Practice," Earthquake Spectra, Earthquake Engineering Research Institute, April 2006, Vol. 22, No. S2, pp. S69-S89.

 Stewart, J.P., P.M. Smith, D.H. Whang and J.D. Bray, "Closure to ‘Seismic Compression of Two Compacted Earth Fills Shaken by the 1994 Northridge Earthquake,'" Journal of Geotechnical and Geoenvironmental Engineering, ASCE, December 2005, Vol. 131, No. 12, pp. 1564-1569.

 Merry, S.M., J.D. Bray and S. Yoshitomi, "Axisymmetric Temperature- and Stress-Dependent Creep Response of ‘New’ and ‘Old’ HDPE Geomembranes," Geosynthetics International, June 2005, Vol. 12, No. 3, pp. 156-161.

 Wartman, J., R.B. Seed and J.D. Bray, "Shaking Table Modeling of Seismically Induced Deformation in Slopes," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, May 2005, Vol. 131, No. 5, pp. 610-622, doi: 10.1061/(ASCE)1090-0241(2005)131:5(610).

 Kim, J., M. Riemer and J.D. Bray, "Dynamic Properties of Geosynthetic Interfaces," Geotechnical Testing Journal, ASTM, May 2005, Vol. 28, No. 3, pp. 288-296.

 Sancio, R.B. and J.D. Bray, "An Assessment of the Effect of Rod Length on SPT Energy Calculations Based on Measured Field Data," Geotechnical Testing Journal, ASTM, January 2005, Vol. 28, No. 1, pp. 1-9.

 Bray, J.D. and A. Rodriguez-Marek, "Characterization of Forward-Directivity Ground Motions in the Near-Fault Region," Soil Dynamics and Earthquake Engineering, December 2004, Vol. 24, No. 11, pp. 815-828, doi: 10.1016/j.soildyn.2004.05.001.

 Cetin, O.K., T.L. Youd, R.B. Seed, J.D. Bray, J.P. Stewart, H.T. Durgunoglu, W. Lettis and M.T. Yilmaz, "Liquefaction-Induced Lateral Spreading at Izmit Bay During the Kocaeli (Izmit) – Turkey Earthquake," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, December 2004, Vol. 130, No. 12, pp. 1300-1313, doi: 10.1061/(ASCE)1090-0241(2004)130:12(1300).

 O’Sullivan, C., J.D. Bray and M.F. Riemer, "Examination of the Response of Regularly Packed Specimens of Spherical Particles Using Physical Tests and Discrete Element Simulations," Journal of Engineering Mechanics, ASCE, October 2004, Vol. 130, No. 10, pp. 1140-1150, doi: 10.1061/(ASCE)0733-9399(2004)130:10(1140).

 Whang, D.H., J.P. Stewart and J.D. Bray, "Effect of Compaction Conditions on the Seismic Compression of Compacted Fill Soils," Geotechnical Testing Journal, American Society for Testing and Materials, July 2004, Vol. 27, No. 4, pp. 1-9.

 Rathje, E.M., F. Faraj, S. Russell and J.D. Bray, "Empirical Relationships for Frequency Content Parameters of Earthquake Ground Motions," Earthquake Spectra, Earthquake Engineering Research Institute, 2004, Vol. 20, No. 1, pp. 119-144.

 Stewart, J.P., P.M. Smith, D.H. Whang and J.D. Bray, "Seismic Compression of Two Compacted Earth Fills Shaken by the 1994 Northridge Earthquake," Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 2004, Vol. 130, No. 5, pp. 461-476, doi: 10.1061/(ASCE)1090-0241(2004)130:5(461).

 O'Sullivan, C. and J.D. Bray, "Selecting a Suitable Time Step for Discrete Element Simulations that Use the Central Difference Time Integration Scheme," Engineering Computations: International Journal for Computer-Aided Engineering and Software, 2004, Vol. 21, No. 2, pp. 278-303.

 Bray, J.D., R.B. Sancio, H.T. Durgunoglu, A. Onalp, T.L. Youd, J.P. Stewart, R.B. Seed, O.K. Cetin, E. Bol, M.B. Baturay, C. Christensen, and T. Karadayilar, "Subsurface Characterization at Ground Failure Sites in Adapazari, Turkey," Journal of Geotechnical and Geoenvironmental Engineering,, ASCE, July 2004, Vol. 130, No. 7, pp. 673-685, doi: 10.1061/(ASCE)1090-0241(2004)130:7(673).

 Bird, J.F., J. Bommer, J.D. Bray, R. Sancio and R.J.S. Spence, "Comparing Loss Estimation with Observed Damage in a Zone of Ground Failure: A Study of the 1999 Kocaeli Earthquake in Turkey," Bulletin of Earthquake Engineering, January 2004, Vol. 2, pp. 329-360.

Conference Papers

 Bray, J.D., "Learning from Geotechnical Earthquake Engineering Case Histories," Proceedings, International Conference on Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho et al., Ed., IS-Tokyo, June 2009, pp. 277-281.

 Ledezma, C. and J.D. Bray, "Procedures for Evaluating Pile-Supported Bridges Affected by Liquefaction-Induced Lateral Ground Displacement," Proceedings, International Conference on Performance-Based Design in Earthquake Geotechnical Engineering, Kokusho et al., Ed., IS-Tokyo 2009, June 2009, Paper No. 1615.

 Bray, J.D., "Earthquake Surface Fault Rupture Design Considerations," Proceedings, Sixth International Conference on Urban Earthquake Engineering, Center for Urban EQ Engineering, Tokyo Institute of Technology, Tokyo, Japan, March 2009, pp. 37-45.

 Dashti, S., , J.D. Bray, M.F. Riemer and D. Wilson, "Centrifuge Experimentation of Building Performance on Liquefied Ground," Proceedings, Geotechnical Earthquake Engineering and Soil Dynamics IV, ASCE Geotechnical Special Publication No. 181, Zeng, D. et al., Ed., Sacramento, CA, May 18-22, May 2008, CD-ROM.

 Ledezma, C. and J.D. Bray, "Factors that Affect the Performance of Bridge Foundations Undergoing Liquefaction-Induced Lateral Spreading,”," Proceedings, Geotechnical Earthquake Engineering and Soil Dynamics IV, ASCE Geotechnical Special Publication No. 181, Zeng, D. et al., Ed., Sacramento, CA, May 18-22, May 2008, CD-ROM.

 Zekkos, D.P., J.D. Bray, K.H. Stokoe II, E. Kavazanjian, E. Rathje, G.A. Athanasopoulos, M. Riemer, N. Matasovic, J.J. Lee and B. Seos, "Recent Findings on the Static and Dynamic Properties of Municipal Solid Waste,” Edited by Khire, M.V., A.N. Alshawabkeh and K.R. Reddy, Geotechnics of Waste Management and Remediation, Geocongress 2008, ASCE Spec. Pub. No. 177, March 2008, pp. 176-183.

 Zekkos, D.P., J.D. Bray, M. Riemer, E. Kavazanjian and G.A. Athanasopoulos, "Response of Municipal Solid-Waste from Tri-Cities Landfill in Triaxial Compression," Sardina 2007, 11th International Waste Management & Landfill Symposium, Italy, October 2007, CD-ROM.

 Ledezma, C. and J.D. Bray, "Probabilistic Design Procedure That Includes Pile-Pinning for Bridge Foundations Undergoing Liquefaction-Induced Lateral Spreading," Proceedings of the 13th PanAmerican Conference on Soil Mechanics and Geotechnical Engineering, Isla de Margarita, Venezuela, July 15-19, July 2007, pp. 136-142.

 Donahue, J.L., J.D. Bray and M.R. Reimer, "Liquefaction Testing of Fine-Grained Soil Prepared Using Slurry Deposition," Proceedings, 4th International Conference on Earthquake Geotechnical Engineering,, June 2007, Paper No. 1226.

 Zekkos, D.P., J.D. Bray, G.A. Athanasopoulos, M. Riemer, E. Kavazanjian, P.A. Founta and A.F. Grizi, "Compositional and Loading Rate Effects on the Shear Strength of Municipal Solid Waste," Proceedings, 4th International Conference on Earthquake Geotechnical Engineering, June 2007, Paper No. 1525.

 Bray, J. D. and C. Ledezma, "Evaluating Seismic Displacements and Damage for Pile Foundations Undergoing Liquefaction-Induced Lateral Spreading," Proceedings, 4th International Conference on Earthquake Geotechnical Engineering, June 2007, Paper No. 1460.

 Bray, J.D., and A.M. Rodriguez-Marek, "Design Ground Motions Near Active Faults," Proceedings, Earthquake Geotechnical Engineering Workshop, University of Canterbury, Christchurch, New Zealand, November 2006.

 Ledezma, C. and J.D. Bray, "A Probabilistic Design Procedure that Incorporates the Pile-Pinning Effect in Bridge Foundations Undergoing Liquefaction-Induced Lateral Spreading," Proceedings, 5th National Seismic Conference on Bridges & Highways, San Francisco, CA, September 2006.

 Chen, W.Y., J.D. Bray and R.B. Seed, "1-G Small-Scale Shaking Table Experiments - Seismic Slope Responses and Deformation," Proceedings, 8th US National Conference on Earthquake Engineering, 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake, EERI, San Francisco, California, April 2006, Paper 1322.

 Rodriguez-Marek, A. and J.D. Bray, "Site Effects for Near-Fault Forward-Directivity Motions," Proceedings, 8th US National Conference on Earthquake Engineering, 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake, EERI, San Francisco, California, April 2006, Paper 1316.

 Zekkos, D.P., J.D. Bray and M.F. Riemer, "Shear Modulus Reduction and Material Damping Relations for Municipal Solid-Waste," Proceedings, 8th US National Conference on Earthquake Engineering, 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake, EERI, San Francisco, California, April 2006, Paper 1324.

 Travasarou, T., J.D. Bray and R.B. Sancio, "Soil-Structure Interaction Analyses of Building Responses During the 1999 Kocaeli Earthquake," Proceedings, 8th US National Conference on Earthquake Engineering, 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake, EERI, San Francisco, California, April 2006, Paper 1877.

 Vera-Grunauer, X., J.D. Bray, J.M. Pestana, R. Kayen,, E. Tandazo, J. Ramirez, J.G. Vera-Grunauer and W. Mera-Ortiz, "Site Characterization and Seismic Zonation of Guayaquil City, Ecuador," Proceedings, 8th US National Conference on Earthquake Engineering, 100th Anniversary Earthquake Conference Commemorating the 1906 San Francisco Earthquake, EERI, San Francisco, California, April 2006, Paper 1467.

 O'Sullivan, C., J.D. Bray and L. Cui, "Experimental Validation of Particle-Based Discrete Element Methods," Proceedings, GeoCongress 2006, ASCE, D.J. DeGroot, J.T. DeJong, J.D. Frost, and L.G. Baise, Eds., Atlanta, Georgia, February 2006, 18 pp..

 Zekkos, D.P., J.D. Bray, E. Kavazanjian, N. Matasovic, E. Rathje, M. Riemer and K.H. Stokoe II, "Framework for the Estimation of MSW Unit Weight Profile," Proceedings, 10th International Waste Manangment & Landfill Symposium, Sardina, Italy, October 2005, 11 pp.

 Travasarou, T. and J.D. Bray, "Insights from Soil Structure Interaction Analyses of Buildings in Adapazari, Turkey," Proceedings, 1st Greece-Japan Workshop, G. Gazetas, Y. Goto, and T. Tazoh, Eds., Athens, October 2005, pp. 229-238.

 Zekkos, D.P., J.D. Bray and A. Der Kiureghian, "Reliability of Shallow Foundation Design Using the Standard Penetration Test," Proceedings, ISC-2 on Geotechnical and Geophysical Site Characterization, Viana da Fonseca & Mayne, Eds., Millpress, Rotterdam, September 2004, Vol. 82, pp. 1575-1582.

 Sancio, R., J.D Bray, T. Durgunoglu and A. Onalp, "Performance of Buildings over Liquefiable Ground in Adapazari, Turkey," Proceedings, 13th World Conference on Earthquake Engineering, Vancouver, Canada, August 2004, Paper No. 935.

 Travasarou, T., J.D. Bray and A. Der Kiureghian, "A Probabilistic Methodology for Assessing Seismic Slope Displacements," Proceedings, 13th World Conference on Earthquake Engineering, Vancouver, Canada, August 2004, Paper No. 2326.

 Bird, J.F., R. Sancio, J.D. Bray and J. Bommer, "The Ground Failure Component of Earthquake Loss Estimations: A Case Study of Adapazari, Turkey," Proceedings, 13th World Conference on Earthquake Engineering, Vancouver, Canada, August 2004, Paper No. 803.

 Bray, J.D., R.B. Sancio, M.F. Riemer and T. Durgunoglu, "Liquefaction Susceptibility of Fine-Grained Soils," Proceedings, 11th International Conference On Soil Dynamics and Earthquake Engineering and 3rd International Conference On Earthquake Geotechnical Engineering, Doolin, Kammerer, Nogami, Seed and Towhata, Eds., Berkeley, CA, 2004, Vol.1, pp. 655-662.

 Koragappa, N., J.D. Bray, D. Meyer and T. Travasarou, "Seismic Slope Stability of a Landfill on Young Bay Mud," Proceedings, Waste Tech Landfill Technology Conference, Dallas, Texas, 2004, pp. 1-22.

Books

 Bray, J.D. and Sancio, R.B., "Performance of Buildings in Adapazari during the 1999 Kocaeli, Turkey Earthquake," Earthquake Geotechnical Case Histories for Performance Based Design, Kokusho, T, Ed., TC4 Committee, ISSMFE, CRC Press/Balkema, The Netherlands, June 2009, pp. 325-340.

 Bray, J.D., "Simplified Seismic Slope Displacement Procedures," Chapter 14, Earthquake Geotechnical Engineering, 4th International Conference on Earthquake Geotechnical Engineering - Invited Lectures, in Geotechnical, Geological, and Earthquake Engineering Series, Vol. 6, Pitilakis, Kyriazis D., Ed., Springer, June 2007, pp. 327-353.

Technical Reports

 Ledezma, C. and J.D. Bray, Performance-Based Earthquake Engineering Design Evaluation Procedure for Bridge Foundations Undergoing Liquefaction-Induced Lateral Ground Displacement, Pacific Earthquake Engineering Research Center, College of Engineering, University of California, Berkeley, August 2008, PEER Report 2008/05, 186 pp.

 Donahue, J.L., J.D. Bray and M.F. Riemer, The Liquefaction Susceptibility, Resistance, and Response of Silty and Clayey Soils, GeoEngineering Report, Department of Civil and Environmental Engineering, University of California, Berkeley, January 2008, UCB/GT 2008-01, 271 pp.

 Seed, R.B., R.G. Bea, R.I. Abdelmalak, A.G. Athanasopoulos, G.P. Boutwell, J.D. Bray, J.-L. Briaud, C. Cheung, D. Cobos-Roa, J. Cohen-Waeber, B.D. Collins, L. Ehrensing, D. Farber, M. Hanemann, L.F. Harder, K.S. Inkabi, A.M. Kammerer, D. Karadeniz, R.E. Kayen, R.E.S. Moss, J. Nicks, S. Nimmala, J.M. Pestana, J. Porter, K. Rhee, M.F. Riemer, K. Roberts, J.D. Rogers, R. Storesund, A.V. Govindasamy, X. Vera-Grunauer, J.E. Wartman, C.M. Watkins, E. Wenk , Jr. and S.C. Yim, Investigation of the Performance of the New Orleans Flood Protection Systems in Hurricane Katrina on August 29, 2005, Vol. 1: Main Text and Executive Summary (690 pp.) and Vol. 2: Appendices (517 pp.), Report No. UCB/CCRM – 06/01, Univ. of Calif., Berkeley, July 31, 2006.

 Seed, R.B., P.G. Nicholson, R.A. Dalrymple, J. Battjes, R.G. Bea, G. Boutwell, J.D. Bray, B. Collins, L.F. Harder, J.R. Headland, M. Inamine, R.E. Kayen, R. Kuhr, J. M. Pestana, F. Silva-Tulla, R. Storesund, S. Tanaka and J. Wartman, T.F. Wolff, R.L. Wooten and T.F. Zimmie, Preliminary Report on the Performance of the New Orleans Levee Systems in Hurricane Katrina on August 29, 2005, Report No. UCB/CITRIS – 05/01, University of California, Berkeley, November 2005, pp. 134.

 Chen, W., J.D. Bray and R.B. Seed, Physical Model Tests of Seismic Slope Response, GeoEngineering Report No. UCB/GT/02-04, University of California, Berkeley, February 2004.

Other Publications

 Bray, J.D. and R.B. Sancio, "Performance of Buildings in Adapazari during the 1999 Kocaeli, Turkey Earthquake," International Conference on Performance-Based Design in Earthquake Geotechnical Engineering, IS-Tokyo 2009, Poster, June 2009.

 Bray, J.D., "Challenges in Earthquake Engineering," 20th Annual David and Lucile Packard Foundation Fellowships for Science and Engineering Conference, Poster, September 2008.

 Dashti, S., J.D. Bray, M.R. Riemer and D. Wilson, "Centrifuge Experimentation of Building Performance on Liquefied Ground," Proceedings, 5th NEES Annual Meeting, June 19-21, 2007, 16 pp..




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