A Study of Soil Microstructure Using Bender Element Tests

J. Abraham Díaz-Rodríguez, National University of Mexico, Mexico
Pedro Moreno-Carrizales, National University of Mexico, Mexico
Luis López-Flores, National University of Mexico, Mexico

San Diego, California

12:00 AM - 12:00 AM

Adjustment Method of the Hysteresis Damping for Multiple Shear Spring Model

Osamu Ozutsumi, Institute of Japanese Union of Scientists @ Engineers, Japan
Susumu Iai, Ministry of Transport, Japan

San Diego, California

12:00 AM - 12:00 AM

An Approach to Predict Shear Modulus of Soils in the Range of 10^-6 to 10^-2 Strain Levels

António Gomes Correia, Technical University of Lisbon - IST, Portugal
Jaime Santos, Technical University of Lisbon - IST, Portugal
José Maria C. Barros, Instituto de Pesquisas Tecnológicas-IPT, Brazil
Sussumu Niyama, Instituto de Pesquisas Tecnológicas-IPT, Brazil

San Diego, California

12:00 AM - 12:00 AM

An Experimental Study to Assess the Shear Modulus Degradation by Fatigue of Mexico City Clay

Víctor M. Taboada-Urtuzuástegui, Instituto de Ingeniería, UNAM, Mexico
Miguel P. Romo, Instituto de Ingeniería, UNAM, Mexico

San Diego, California

12:00 AM - 12:00 AM

Application of FK Analysis of Surface Waves for Geotechnical Characterization

Sebastiano Foti, Politecnico di Torino, Italy
Renato Lancellotta, Politecnico di Torino, Italy
Laura V. Socco, Politecnico di Torino, Italy
Luigi Sambuelli, Politecnico di Torino, Italy

San Diego, California

12:00 AM - 12:00 AM

Automated Analysis Procedure for Interpreting Results from Impulse Shear Tests

Wanda Henke, Dynamic In Situ Geotechnical Testing Inc., Lutherville, MD
Robert Henke, Dynamic In Situ Geotechnical Testing Inc., Lutherville, MD

San Diego, California

12:00 AM - 12:00 AM

Centrifuge Model Tests to Identify Dynamic Properties of Dense Sand for Site Response Calculations

David Stevens, Kleinfelder and Associates, Sacramento, CA
Dan Wilson, University of California, Davis, CA
Bruce Kutter, University of California, Davis, CA
Byoungill Kim, Myongji University, Seoul, Korea
Ahmed Elgamal, University of California, Davis, CA

San Diego, California

12:00 AM - 12:00 AM

Comparison and Modeling of Sand Behavior Under Cyclic Direct Simple Shear And Cyclic Triaxial Testing

J.-F. Vanden Berghe, Université Catholiques de Louvain, Belgium
A. Holeyman, Université Catholiques de Louvain, Belgium
R. Dyvik, Norwegian Geotechnical Institute, Norway

San Diego, California

12:00 AM - 12:00 AM

Comparison of Frequency Spectra for Micotremors, After Shocks (M=2.5-4.7) and the Main Shock of the Spitak Earthquake Obtained on Massive Lake-River Formations in the Region of Giumry (Armenia)

Hrachya Abrahamyan, Institute of Geophysics and Engineering Seismology, Armenia

San Diego, California

12:00 AM - 12:00 AM

Compressibility of Liquefied Sand

Yasushi Sasaki, Hiroshima University, Japan
Jun Ohbayashi, Fudo Construction Co., Ltd., Japan
Yoshiaki Ogata, Fukken Co., Ltd., Japan

San Diego, California

12:00 AM - 12:00 AM

Cyclic Torsional Shear Tests on Liquefaction Resistance of Sands Under Low Confining Stress

Jinichi Koseki, University of Tokyo, Japan
Daisuke Itakura, Hosei University, Japan
Sadahiro Kawakami, Tottori Civil Engineering Office, Japan
Takeshi Sato, University of Tokyo, Japan

San Diego, California

12:00 AM - 12:00 AM

Degradation Characteristics of Clay-Shale Samples Under Cyclic Loading

M. Zoghi, University of Dayton, Dayton, Ohio

San Diego, California

12:00 AM - 12:00 AM

Determination of the Zone of Destruction of Soil and Rock Mass at Explosive Loads

B. E. Khusanov, Institute of Mechanics and Seismic Stability of Structures of Academy of Sciences of Republic of Uzbekistan, Uzbekistan

San Diego, California

12:00 AM - 12:00 AM

Dynamic Behavior of Geogrid-Reinforced Soil

A. R. Santhakumar, Anna University, India
Arvind K. Verma, Birla Engineering College, India
T. V. S. R. Appa Rao, S.E.R.C., India

San Diego, California

12:00 AM - 12:00 AM

Dynamic Behavior of Tailings

O. Flores C., Instituto de Ingeniería, UNAM, Mexico
M. P. Romo O., Instituto de Ingeniería, UNAM, Mexico

San Diego, California

12:00 AM - 12:00 AM

Dynamic Behavior of Tropical Soils from Medllin, Colombia

Manuel R. Villarraga, Integral S.A., Universidad Nacional de Colombia-Meddelin, Colombia

San Diego, California

12:00 AM - 12:00 AM

Dynamic Loading-Deformation Performance of Peat Soil under Large Concrete Plates

Mark Vakher, Haley & Aldrich, Inc., Boston, Massachusetts

San Diego, California

12:00 AM - 12:00 AM

Dynamic Response of Mud in the Field Soil Improvement with Dynamic Drainage Consolidation

Zhangming Li, Guangdong University of Technology, China
Mengdong Li, Shenzhen Baoan City Construction Investment & Development Corporation, China
Qiang Feng, Shenzhen Baoan City Construction Investment & Development Corporation, China

San Diego, California

12:00 AM - 12:00 AM

Dynamic Youngis Modulus and Axial Strain Relationships

X. J. Zhang, Tidewater Construction Corp., Virginia Beach, VA
M. S. Aggour, University of Maryland, College Park, MD

San Diego, California

12:00 AM - 12:00 AM

Effect of Anisotropy on Drained and Undrained Shear Behavior of IN-SITU Sandy Soils

Akihiko Uchida, Takenaka Research & Development Institute, Japan
Munenori Hatanaka, Takenaka Research & Development Institute, Japan
Yuji Taya, Takenaka Research & Development Institute, Japan

San Diego, California

12:00 AM - 12:00 AM

Effect of K₀ on Liquefaction Strength of Silty Sand

Shun-ichi Sawada, OYO Corporation, Japan
Ryouichi Sakuraba, OYO Corporation, Japan
Naoki Ohmukai, OYO Corporation, Japan
Takeko Mikami, OYO Corporation, Japan

San Diego, California

12:00 AM - 12:00 AM

Effects of Soil Fabric on Undrained Behavior of Sands

S. Yimsiri, Burapha University, Thailand
K. Soga, Cambridge University, UK

San Diego, California

12:00 AM - 12:00 AM

Evaluation Nonlinear Soil Response In Situ

Ellen M. Rathje, University of Texas at Austin, Austin, TX
Ryan D. Phillips, CTL/Thompson, Colorado Springs, CO
Wen-Jong Chang, University of Texas at Austin, Austin, TX
Kenneth H. Stokoe II, University of Texas at Austin, Austin, TX

San Diego, California

12:00 AM - 12:00 AM

Evaluation of Deformation-Strength Properties of Volcanic Soils by Laboratory and In-Situ Testings

Tsuyoshi Asonuma, Hokkaido University, Japan
Seiichi Miura, Hokkaido University, Japan
Munetaka Mae, Hokkaido University, Japan

San Diego, California

12:00 AM - 12:00 AM

Global Methodology for Soil Behavior Identification and its Application to the Study of Site Effects

A. Modaressi, École Centrale Paris, France
F. López-Caballero, École Centrale Paris, France

San Diego, California

12:00 AM - 12:00 AM

Identification of Small Strain Dynamic Properties of Dense Sand

Ahmed Elgamal, University of California, at San Diego, La Jolla, CA
Tao Lai, University of California, at San Diego, La Jolla, CA
Dan Wilson, University of California, Davis, CA
Bruce Kutter, University of California, Davis, CA

San Diego, California

12:00 AM - 12:00 AM

Improvement of Static and Dynamic Properties of Soft Clay Using High Pressure Jet Grout

Chang Tzyy-Shiou, Chaoyang University of Technology, Taiwan
Vedula V. RamaKumar, Langan Engineering and Environmental Services Inc., Miami, FL
Chang Kuo-Ping, University of Memphis, Memphis, TN

San Diego, California

12:00 AM - 12:00 AM

Influence of Compaction and Loading Conditions of the Dynamic Properties of a Silty Sand

Jean-Marie Fleureau, CNRS UMR 8579/ École Centrale de Paris, France
Emmanuel Dufour-Laridan, CNRS UMR 8579/ École Centrale de Paris, France
Antônio Gomes Correia, Technical University of Lisbon - IST, Portugal

San Diego, California

12:00 AM - 12:00 AM

Influence of Micro-Structure on Small-Strain Stiffness and Damping of Fine Grained Soil and Effects on Local Site Response

Anna d'Onofrio, Università degli Studi "Federico II", Italy
Francesco Silvestri, Università della Calabria, Italy

San Diego, California

12:00 AM - 12:00 AM

Infrared Thermography of Dissipation in Soil

Minh-Phong Luong, École Polytechnique, Palaiseau Cedex, France

San Diego, California

12:00 AM - 12:00 AM

Measurement of Dynamic Properties of Clay Using the Downhole Freestanding Shear Device

Michael F. Riemer, University of California, Berkeley, CA
Carlton Grizzle, University of California, Berkeley, CA
Osama Safaqah, University of California, Berkeley, CA

San Diego, California

12:00 AM - 12:00 AM

Measurement of G_max and K₀ of Saturated Clay Using Bender Elements

Bartlomiej Grolewski, University of Kentucky, Lexington, KY
Xiangwu Zeng, Case Western Reserve University, Cleveland, OH

San Diego, California

12:00 AM - 12:00 AM

Measurement of Shear Modulus Profile Using a Continuous Surface Wave Measurement System

S. Anand, Nanyang Technological University, Singapore
E. C. Leong, Nanyang Technological University, Singapore
H. K. Cheong, Nanyang Technological University, Singapore

San Diego, California

12:00 AM - 12:00 AM

Plasticity Based Liquefaction Criteria

Carmine Polito, Clarkson University, Potsdam, NY

San Diego, California

12:00 AM - 12:00 AM

Post-Liquefaction Torsion Shear Tests on Sand With Various Strain Rates

Kiyoshi Kokeguchi, Ministry of Transport, Japan
Atusushi Shimokawa, Penta-Ocean Construction, Japan
Jun Kohchi, University of Tokyo, Japan
Ikuo Towhata, University of Tokyo, Japan

San Diego, California

12:00 AM - 12:00 AM

Prediction of Volumetric Strain for Sand under Cyclic Loading

Habib Shahnazari, University of Tokyo, Japan
Ikou Towhata, University of Tokyo, Japan

San Diego, California

12:00 AM - 12:00 AM

Seismic Response Calculation of Saturated Soft Soil

Huang Yu, Tongji University, Shanghai, China
Ye Weimin, Tongji University, Shanghai, China
Tang Yiqun, Tongji University, Shanghai, China
Chen Zhuchang, Tongji University, Shanghai, China

San Diego, California

12:00 AM - 12:00 AM

Shear Wave Velocity Relations for Silty and Gravely Soils

S. Thevanayagam, SUNY Buffalo, NY
J. Liang, SUNY Buffalo, NY

San Diego, California

12:00 AM - 12:00 AM

Site Response of Organic Soils

Rajendram Arulnathan, URS, Oakland, CA
R. W. Boulanger, University of California, Davis, CA
I. M. Idriss, University of California, Davis, CA

San Diego, California

12:00 AM - 12:00 AM

Soil Viscous Behavior in Response to Torsional Cyclic Loading

Jiang Li, Morgan State University, Baltimore, Maryland

San Diego, California

12:00 AM - 12:00 AM

Static and Dynamic Properties of Leighton Buzzard Sand from Laboratory Tests

Antonio Cavallaro, University of Catania, Italy
Michele Maugeri, University of Catania, Italy
Rosalia Mazzarella, University of Catania, Italy

San Diego, California

12:00 AM - 12:00 AM

Suggestion of Empirical Equations for Damping Ratio of Plastic and Non-Plastic Soils Based on the Previous Studies

Dugkeun Park, National Institute for Disaster Prevention, Seoul, Korea
Harry E. Stewart, Cornell University, Ithaca, NY

San Diego, California

12:00 AM - 12:00 AM

Systematic Protocol for SASW Inversion

Karen T. Marosi, Bucknell University, Lewisburg, PA
Dennis R. Hiltunen, Pennsylvania State University, University Park, PA

San Diego, California

12:00 AM - 12:00 AM

The Influence of Lateral Faults in the Nonlinear Analysis in an Alluvionar Valley

Marcel Vasile Sincraian, Institúto Superior Tecnico, Portugal
Carlos Sousa Oliveira, Institúto Superior Tecnico, Portugal
J. V. Lemos, LNEC, Portugal

San Diego, California

12:00 AM - 12:00 AM

Use of Cyclic Simple Shear Testing in Evaluation of the Deformation Potential of Liquefiable Soils

A. M. Kammerer, University of California, Berkeley, CA
J. Wu, University of California, Berkeley, CA
M. Riemer
J. M. Pestana
R. B. Seed

San Diego, California

12:00 AM - 12:00 AM

Volumetric and Shear Deformation of a Saturated Clay under Cyclic Loading

Takeo Moriwaki, Hiroshima University, Japan
Eiji Okumiya, Chuo Fukken Consultants Co., Ltd., Japan
Masami Saitoh, Osaka City, Japan

San Diego, California

12:00 AM - 12:00 AM