Registered Professional
Civil Engineer in
Registered Professional
Engineer in
Prof. Bray teaches undergraduate and graduate level
courses in Geotechnical Earthquake Engineering, Numerical Modeling in
Geomechanics, Foundation Engineering, and Geotechnical and Geoenvironmental
Engineering.
His research interests include Earthquake Engineering, Geotechnical Engineering, Physical and Numerical Modeling, Earth Embankments, Solid-Waste Landfills, and Geosynthetics.
Professor of Geotechnical
Engineering
Office Address: Department
of Civil and Environmental Engineering
439
Office Phone: (510) 642-9843
Fax: (510)
642-7476
E-Mail: bray@ce.berkeley.edu
Home Address:
Home Phone: (925) 935-4570
EDUCATION
Ph.D. in Geotechnical Engineering,
1990
M.S. in Structural Engineering,
1981
UNITED
B.S., 1980
AWARDS
AND HONORS
Shamsher Prakash Research Award,
Shamsher Prakash Foundation, 1999
Walter L. Huber Civil Engineering
Research Prize, American Society of Civil Engineers, 1997
American Society of Civil Engineers
Technical Council on Forensic Engineering Outstanding Paper Award, 1995
North American Geosynthetics Society -
State of the Practice Award of Excellence, 1995
North American Geosynthetics
Society - Geotechnical Engineering Technology Award of Excellence, 1993
David and Lucile Packard Foundation
Fellowship for Science and Engineering, 1992-1997
Presidential Young Investigator Award,
National Science Foundation, 1991-1996
American Society of Civil Engineers
Trent R. Dames and William W. Moore Award, 1992-1993
National Science Foundation
Fellowship in Engineering (3 year graduate scholarship), 1980-81, 1986-88
Commandant's Award (Highest
rating in U.S. Army Engineer Officer Advanced Course), 1985
Italian Veterans of Foreign Wars
Award (
The Robert E. Lee Memorial Award
(Highest rating in Mathematics), 1980
West Point Fund Award (Highest rating in
Advanced Engineering Fundamentals), 1980
National Society of the Veterans
of Foreign Wars of the United States Award (Highest rating in Classical and
Modern Physics), 1980
General Terry de la Mesa Allen Award
(Highest rating in Military Science), 1980
The Association of Graduates
Award (Cadet with the 3rd highest overall class standing), 1980
Distinguished Cadet (Honor roll
of cadets with academic standing within top 5%), 1976-1980
The Ancient and Honorable
Artillery Company of
Phi Kappa Phi Honor Society, 1978
General Buckner Military Stakes
Award (Highest rating in cadet military training competition), 1977
Military Awards: Meritorious Service Medal, Army Commendation
Medal with Three Oak Leaf Clusters, Army Achievement Medal, Overseas Service
Ribbon, Army Service Ribbon, Parachutist Badge
PROFESSIONAL
QUALIFICATIONS
Registered Professional Civil Engineer in
Registered Professional Engineer in
PROFESSIONAL
ENGINEERING EXPERIENCE
CORPS OF ENGINEERS OFFICER, 416th Engineer Command,
USAR (FEB 87 - SEP 91)
Developed and conducted facility engineer and
environmental surveys of USAR Centers
PROJECT ENGINEER,
Developed and completed the geotechnical and seismic
design study for the repairs of wharves damaged at Oakland Army Base during the
1989 Loma Prieta Earthquake.
SENIOR PROJECT ENGINEER, Baltimore Dist., Corps of Engineers,
VA (APR 85 - AUG 86)
Managed a field office staff of 5 engineers and
inspectors. Responsible for the quality
completion of 5 separate construction contracts valued at over $28
million. Completed a $23 million high
technology DOD facility on schedule and within budget, including negotiation of
over $8 million of owner requested contract modifications.
COMPANY COMMANDER, Construction Engineer Company,
Commanded a 218 person/106 equipment engineer company
composed of Americans and Koreans.
Designed and managed 8 construction projects valued at over $1
million. Innovative retaining wall
design prevented cancellation of tank range project. Attained highest company rating in yearly
field evaluation. Installation was cited
as the most improved in
PLATOON LEADER, Construction Engineer Company,
Leader of 4 of the company's 5 platoons. Led 154 American and Korean soldiers. Project Engineer of 6 construction projects
valued at over $1 million. Rated as the
top lieutenant in the battalion. Unit
placed second in separate competitions for the best engineer company and the
best equipment maintenance program in the U.S. Army.
ASSISTANT PROJECT ENGINEER, Jacksonville Dist.,
Corps of Engineers, FL (JUN 80-SEP 80)
Technical Inspector on a $2 million earth canal/concrete
weir project. Developed contractor claim
denial which saved the government $89,000.
ACADEMIC
EXPERIENCE
PROFESSOR,
ASSOCIATE PROFESSOR,
ASSISTANT PROFESSOR,
Teaching and performing research in the areas of
geotechnical engineering, earthquake engineering, environmental geotechnics,
and numerical and physical modeling.
ASSISTANT PROFESSOR,
Developed and taught geotechnical engineering courses
and performed research in the areas of earthquake engineering, numerical and
physical modeling, and geo-environmental engineering.
LECTURER,
Taught "Advanced Soil Mechanics Laboratory"
graduate course and conducted an investigation of the dynamic response of 5
earth dams strongly shaken by the 1989 Loma Prieta Earthquake.
RESEARCH ASSISTANT,
Investigated fault rupture propagation through earth
dams (Advisors: Drs. H.B. Seed &
R.B. Seed). Analyzed the dynamic
response of two earth dams for CSMIP.
Developed soil-structure interaction finite element program (SSCOMPPC)
with interactive graphics post-processing (FEAPPLOT).
PROFESSIONAL
AFFILIATIONS
Member, American Society of Civil
Engineers, Geotechnical Engineering Institute
Member, International Society for Soil
Mechanics and Foundation Engineering
Member, International Geotextile Society
Member, Earthquake Engineering Research
Institute
PROFESSIONAL
SERVICE
Editor-In-Chief, International Journal
of GeoEngineering Case Histories, 2004-present.
Board of Directors, Earthquake
Engineering Research Institute, 2006-2008.
Editorial Board, Journal of
Geotechnical Engineering, American Society of Civil Engineers, 1993-present.
Editorial Board, Geosynthetics
International Journal, International Geosynthetics Society, 1998-present.
Member, National Steering
Committee of the Advanced National Seismic System, a Subcommittee of the
Scientific Earthquake Studies Advisory Committee, U.S. Geological Survey,
2001-present.
Member, Geosciences Subcommittee,
General Reporter, 4th
International Conference on Recent Advances in Geotechnical Earthquake
Engineering and Soil Dynamics, Session X – Case Records, San Diego, CA, March
2001.
Moderator, Seismic Fault-Induced
Failures
Member, Joint Management
Committee, PG&E and
Member, Center for Geotechnical
Modeling Advisory Committee, U.C. Davis, 1996 - 2000.
Member, Advisory Committee for
the
Member, Organizing Committee, First
Japan-U.S. Frontiers of Engineering Symposium, U.S. National Academy of
Engineering, 1999-2000.
Member, Advisory Committee for
the Earthquake Engineering Research Center, 1999-2000.
Member, Advanced National Seismic
System Interim National Committee, 2000.
Participant, Association of
Drilled Shaft Contractors, Civil Engineering Faculty Workshop, 2000.
Discussion Leader, 2nd
International Conference on Earthquake Geotechnical Engineering,
Participant, ROSRINE Data
Dissemination Workshop, NSF,
Facilitator and Presenter,
US-Japan Workshop on Geotechnical Earthquake Engineering Issues, NSF, Tokyo,
Japan, June 24-26, 1997.
Participant, NCEER Workshop on
National Representation of Seismic Ground Motion for New and Existing Highway
Facilities,
Facilitator, Evaluation of and
Mitigation within Coseismic Zones of Surface Deformation Workshop,
Session Leader, Geosynthetics’ 97
Conference,
Member, National Science
Foundation - Siting & Geotechnical System Proposal Review Panel, 1996.
Coordinator and Participant,
North America - Japan Workshop on Geotechnical Aspects of the Kobe, Loma Prieta
and Northridge Earthquakes, NSF, Osaka, Japan, January 22-24, 1996.
Participant, Future Directions
II, Workshop for the National Science Foundation Earthquake Hazards Mitigation
Program, August 3 -4,
Conference Group Leader, CUREe
Northridge Earthquake Research Coordination Project Conference, December 2-3,
Speaker, NSF Workshop on Research
Priorities for Seismic Design of Solid-Waste Landfills, Aug. 26-27, 1993.
Steering Committee Member,
Geotechnical Group, ASCE,
Member, Publications Committee,
ASCE Stability and Performance of Slopes and Embankments-II Conf., 1992
Participant, NCEER/SEAOC Workshop
on Site Response during Earthquakes and Seismic Code Provisions, November
18-20,
Professional Reviews:
Essentials
of Soil Mechanics and Foundations, D.F. McCarthy, 3rd Ed., Prentice Hall, NJ,
1988.
Journal
of the Geotechnical and Geoenvironmental Engineering Division, ASCE
Proceedings
of the International Society of Soil Mechanics and Foundation Engineering
Geosynthetics
International Journal
Journal
of Geotextiles and Geomembranes
Geotechnical
and Geological Engineering Journal
Journal
of Engineering Mechanics, ASCE
Canadian
Geotechnical Journal
Geotechnical
Testing Journal, American Society for Testing and Materials
National
Science Foundation Proposals
National
Earthquake Hazard Reduction
Earthquake
Spectra Journal, Earthquake Engineering Research Institute
Earthquake
Engineering & Structural Dynamics, an International Journal
Proceedings
of the 12th World Conference on Earthquake
The
Royal Society, Proceedings A
Geosynthetics’
95 Conference Proceedings, Industrial Fabrics Association International
Geosynthetics’
97 Conference Proceedings, Industrial Fabrics Association International
Bulletin
of the Seismological Society of
Earthquake Geotechnical
Engineering Satellite Conference of the XVth International Conference on Soil
Mechanics & Geotechnical Engineering
ACADEMIC
SERVICE
University Courses Taught
(a)
CE
175 - "Geotechnical and
Geoenvironmental Engineering" (3 semester units)
CE
177 - “Foundation Engineering Design” (3
semester units)
CE
270L - "Advanced Soil Mechanics Laboratory" (3 semester units)
CE
270B - "Advanced Foundation Engineering" (3 semester units)
CE
272 - "Numerical Modeling in
Geomechanics" (3 semester units)
CE
275 - "Geotechnical Earthquake
Engineering" (3 semester units)
(b)
CE
383 - "Geotechnical Engineering
I" (3 semester units)
CE
483 - "Geotechnical Engineering
II" (3 semester units)
CE
680 - "Theoretical Soil
Mechanics" (3 semester units)
CE
687 - "Foundation Problems in
Earthquake Engineering" (3 semester units)
CE 697N
- "Numerical Methods in Geomechanics" (3 semester units)
Research Supervision
(a)
MS
"Relation
of Surficial Earth Materials to the Characteristics of the June 28, 1992
Landers Earthquake Surface Rupture," masters of science research topic of
Johanna Fenton, 1994.
"Characteristics
of Fault Rupture, Adjacent to Distressed Structures, Landers, CA", masters
of science research topic of Diane Murbach, co-supervised with Prof. T.K.
Rockwell, 1994.
PHD
"Mechanical
Properties and Response of Geomembranes," doctoral research topic of Scott
Merry, 1995.
"The
Response of Earth Structures to Surface Fault Rupture," doctoral research
topic of Carlos Lazarte, 1996.
"Seismic
Response of Deep Stiff Soil Deposits," doctoral research topic of Susan
Chang, 1996.
"Seismic
Response of Solid-Waste Landfills," doctoral research topic of Anthony
Augello, 1997.
"Discontinuous
Deformation Analysis of Particulate Media," doctoral research topic of
Patricia Thomas, 1997.
"Nonlinear
and Two-Dimensional Seismic Response Studies of Solid-Waste Landfills,"
doctoral research topic of Ellen Rathje, 1997.
"Dynamic
Properties of Cohesive Soils over Wide Strain and
“Physical
Model Studies of Seismically Induced Deformation of Slopes,” doctoral research
topic of Joseph Wartman, co-supervised with Prof. R. B. Seed, 1999.
“Near-Fault
Seismic Site Effects,” doctoral research topic of Adrian Rodriguez-Marek, 2000.
"The
Application of Discrete Element Modelling to Finite Deformation Problems in
Geomechanics," doctoral research topic of Catherine O'Sullivan, 2002.
"Ground
Failure and Building Performance in
"Optimal Ground Motion Intensity
Measures for Probabilistic Assessment of Seismic Slope Displacements,"
doctoral research topic of Thaliea Travasarou, 2003.
“Physical
Model Studies of Seismic Slope Response and Performance,” doctoral research
topic of Wei-Yu Chen, co-supervised with Prof. R. B. Seed, 2004.
“Static
and Dynamic Properties of Municipal Solid-Waste,” doctoral research topic of
Dimitris Zeccos, 2005.
“Liquefaction Susceptibility,
Resistance, and Response of Silty and Clayey Soils,” doctoral research topic of
Jennifer Donahue, ongoing research.
“Probabilistic
Design Procedure for Assessing the Effects of Lateral Spreading on Bridge
Foundations,” doctoral research topic of
Christian Ledezma, ongoing research.
“Seismic Response of Sites
Requiring a Site-Specific Evaluation,” doctoral research topic of Xavier
Vera-Grunauer, co-supervised with Prof. J. M. Pestana, ongoing research.
“Towards
Developing an Engineering Procedure for Evaluating Building Performance on
Softened Ground,” doctoral research topic of Shideh Dashti, ongoing research.
Post-Doctoral
"Modelling
Particulate Media Using Discontinuous Deformation Analysis," postdoctoral
research topic of Dr. Te-Chih Ke, 1994.
"Geotechnical
Finite Element Analysis Program:
GeoFEAP," postdoctoral research topic of Dr. R. David Espinoza,
1994-1995.
“Laboratory
Validation of the Application of Discontinuous Deformation Analysis to
Particulate Media,” postdoctoral research topic of Dr. Patricia Thomas, 1998.
“Building Response in
(b)
MS
"Axisymmetric
Testing and Design of High Density Polyethylene Geomembranes," masters of
science research topic of Scott Merry, co-supervised with Prof. P.L. Bourdeau,
1993.
"Seismic
Response of Landfills," masters of science research topic of Anthony
Augello, co-supervised with Prof. G. A. Leonards, 1993.
PHD
“Characteristics
of the Deep Old Bay Clay Deposits in the East San Francisco Bay Area,” doctoral
research topic of Soumitra Guha, co-supervised with Prof. V.P. Drnevich, 1995.
University Administration
Leader,
GeoEngineering Group, Executive Committee, Depart. Of Civil and Environmental
Engrg., 2001-2004.
Chairman, Advisory Committee for the
Earthquake Engineering Research Center, 2003-present.
Member, Chancellor’s Advisory Committee on
Intercollegiate Athletics, 2003-2004.
Member, Berkeley Campus' Seismic Review
Committee, 2002-present.
Member, Task Force To Review Administrative
Structures and Business Processes for the Engineering Organized Research Units,
2002-2004.
Chairman,
Chairman,
Strategic Planning Committee, Depart. of Civil and Environmental Engineering,
2000.
Member,
Strategic Planning Committee, College of Engineering, 1999-2000.
Graduate Adviser and Admissions
Officer, Depart. of Civil and Environmental Engineering, 1997-2000.
Member,
Strategic Planning Committee, Depart. of Civil and Environmental Engineering,
1997-1999.
Chairman,
Civil Engineering Faculty Search Committee, 1999.
Member,
Undergraduate Studies Committee, 1994-1997.
Undergraduate
Adviser, Department of Civil Engineering, 1993-1997.
Member,
Engineering, 1993-1997.