Takaji Kokusho

Innovative Earthquake Soil Dynamics (eBook, ePUB)

• Format: ePub

Produktbeschreibung

This book deals with all aspects of soil behavior from the bedrock up to the ground surface necessary for engineering design of structures, wherein generally accepted basic knowledge as well as advanced and innovative views are accommodated. Major topics discussed in this book of earthquake geotechnical engineering are (i) seismic site amplification, (ii) liquefaction, and (iii) earthquake-induced slope failure. Basic theories and methodologies on wave propagation/attenuation, soil properties, laboratory tests, numerical analyses, and model tests are addressed in the earlier chapters. It is written for an international audience of graduate students, researchers and practicing engineers.

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Produktdetails

• Verlag: Taylor & Francis
• Seitenzahl: 506
• Erscheinungstermin: 28. Juli 2017
• Englisch
• ISBN-13: 9781317290858
• Artikelnr.: 48959664

Autorenporträt

Prof. Takaji Kokusho is Professor Emeritus at Chuo University since 2015. He obtained his BS and MS degrees from the University of Tokyo, and a MS degree at Duke University, USA. He completed his PhD (Doctor of Engineering) at the University of Tokyo in 1982 on the topic of "Dynamic soil properties and nonlinear seismic response of ground.". Takaji worked at the Central Research Institute of Electric Power Industry (CRIEPI) between 1969 and 1995 as researcher, head, and director of Siting Technology for Earthquake Geotechnology. He wasProfessor at the department of Civil and Environmental Engineering at Chuo University between 1996 and 2015. In this time, he published more than 100 reviewed research papers in national and international journals and conference proceedings, and served as a chairman of Technical Committee No. 4 of ISSMGE (2005-2009), Earthquake Geotechnical Engineering, and Asian Technical Committee ATC3 of ISSMGE (1998-2005), and Geotechnology for Natural Hazards.

Inhaltsangabe

Preface
Chapter 1. Elastic wave propagation in soil
1.1. Introduction
1.2. One-dimensional wave propagation and wave energy
1.3. Three-dimensional body waves
1.4. Surface waves
1.5. Viscoelastic model and soil damping for wave propagation
1.6. Wave attenuation by internal damping
1.7. Wave attenuation including geometric damping
1.8. Summary
Chapter 2. Soil properties during earthquakes
2.1. Characterization of dynamic soil properties
2.2. How to measure soil properties
2.3. Typical small strain properties
2.4. Strain-dependent equivalent linear properties
2.5. Summary
Chapter 3. Soil modeling for dynamic analysis and scaled model test
3.1. Modeling of soil properties
3.2. Dynamic soil analyses
3.3. Scaled model tests and soil model
3.4. Summary
Chapter 4. Seismic site amplification and wave energy
4.1. Soil condition and site amplification
4.2. Amplification in two-layer system
4.3. Site amplification by earthquake observation
4.4. Site amplification derived from vertical array records
4.5. SSI and radiation damping in one-dimensional wave propagation
4.6. Energy flow in wave propagation
4.7. Summary
Chapter 5. Liquefaction
5.1. Typical Liquefaction Behavior
5.2. General conditions for liquefaction triggering
5.3. Geotechnical conditions for liquefaction triggering
5.4. Effect of gravels and fines
5.5. Liquefaction potential evaluation by in situ tests
5.6. Energy-based liquefaction potential evaluation
5.7. Effect of incomplete saturation
5.8. Effect of initial shear stress
5.9. Cyclic softening of clayey soils
5.10. Liquefaction-induced failure and associated mechanism
5.11. Base-isolation during liquefaction
5.12. Summary
Chapter 6. Earthquake-induced slope failures
6.1. Slip-surface analysis by seismic coefficient
6.2. Newmark method
6.3. Self-weight deformation analysis using degraded moduli
6.4. Energy-based slope failure evaluation
6.5. Case histories and back-calculations by energy-based method
6.6. Summary