Dynamics of Soils and Their Engineering Applications

Cover
Title Page
Copyright Page
Dedication
Preface
Table of Contents
1. Introduction
	1.1 Objective and Overview
	1.2 Earthquake Loading
	1.3 Equivalent Dynamic Load to an Actual Earthquake Load
	1.4 Seismic Force for Pseudo-Static Analysis
	Illustrative Examples
	References
	Practice Problems
2. Theory of Vibrations
	2.1 Objective and Overview
	2.2 Definitions
	2.3 Harmonic Motion
	2.4 Vibrations of a Single Degree Freedom System
	2.5 Vibration Isolation
	2.6 Theory of Vibration Measuring Instruments
	2.7 Vibration of Multiple Degree Freedom Systems
	2.8 Undamped Dynamic Vibration Absorber
	2.9 Dry Friction or Coulomb Damping
	2.10 Systems under Transient Vibrations
	Illustrative Examples
	Practice Problems
3. Wave Propagation in an Elastic Homogeneous and Isotropic Medium
	3.1 General
	3.2 Stress, Strain and Elastic Constants
	3.3 Longitudinal Elastic Waves in a Rod of Infinite Length
	3.4 Torsional Vibration of a Rod of Infinite Length
	3.5 End Conditions
	3.6 Longitudinal Vibrations of Rods of Finite Length
	3.7 Torsional Vibrations of Rods of Finite Length
	3.8 Wave Propagation in an Infinite, Homogeneous, Isotropic, and Elastic Medium
	3.9 Wave Propagation in Elastic Half Space
	3.10 Geophysical Prospecting
	3.11 Typical Values of Compression Wave and Shear Wave Velocities
	Illustrative Examples
	References
	Practice Problems
4. Dynamic Soil Properties
	4.1 General
	4.2 Laboratory Techniques
	4.3 Field Tests
	4.4 Factors Affecting Shear Modulus, Elastic Modulus and Elastic Constants
	Illustrative Examples
	References
	Practice Problems
5. Dynamic Earth Pressure
	5.1 General
	5.2 Pseudo-Static Methods
	5.3 Displacement Analysis
	Illustrative Examples
	References
	Practice Problems
6. Dynamic Bearing Capacity of Shallow Foundations
	6.1 General
	6.2 Pseudo-Static Analysis
	6.3 Bearing Capacity of Footings
	6.4 Settlement, Tilt and Horizontal Displacement
	6.5 Dynamic Analysis
	6.6 Seismic Bearing Capacity and Seismic Settlement
	Illustrative Examples
	References
	Practice Problems
7. Pile Foundations under Dynamic Loads
	7.1 Introduction
	7.2 Pseudo-Static Analysis
	7.3 Single Pile under Vertical Vibrations
	7.4 Single Pile under Lateral Vibrations
	7.5 Group Action under Dynamic Loading
	Illustrative Examples
	References
	Practice Problems
8. Seismic Stability Analysis of Slopes
	8.1 General
	8.2 Pseudo-Static Methods
	8.3 Displacement Analysis
	Illustrative Examples
	References
	Practice Problems
9. Liquefaction of Soils
	9.1 General
	9.2 Definitions
	9.3 Mechanism of Liquefaction
	9.4 Laboratory Studies
	9.5 Dynamic Trixial Test
	9.6 Cyclic Simple Shear Test
	9.7 Comparison of Cyclic Stresses Causing Liquefaction under Triaxial and Simple Shear Conditions
	9.8 Standard Curves and Correlations for Liquefaction
	9.9 Evaluation of Zone of Liquefaction in Field
	9.10 Vibration Table Studies
	9.11 Field Blast Studies
	9.12 Procedures Based on In-Situ Tests
	9.13 Factors Affecting Liquefaction
	9.14 Anti-liquefaction Measures
	9.15 Studies on Use of Gravel Drains
	9.16 Evaluation of the Effects of Liquefaction
	Illustrative Examples
	References
	Practice Problems
10. General Principles of Machine Foundation Design
	10.1 General
	10.2 Types of Machines and Foundations
	10.3 General Requirements of Machine Foundations
	10.4 Permissible Amplitude
	10.5 Allowable Soil Pressure
	10.6 Permissible Stresses of Concrete and Steel
	10.7 Permissible Stresses of Timber
	References
11. Foundations of Reciprocating Machines
	11.1 General
	11.2 Modes of Vibration of a Rigid Foundation Block
	11.3 Methods of Analysis
	11.4 Linear Elastic Weightless Spring Method
	11.5 Elastic Half-Space Method
	11.6 Effect of Footing Shape on Vibratory Response
	11.7 Dynamic Response of Embedded Block Foundations
	11.8 Soil Mass Participating in Vibrations
	11.9 Design Procedure for a Block Foundation
	Illustrative Examples
	References
	Practice Problems
12. Foundations of Impact Type Machines
	12.1 General
	12.2 Dynamic Analysis
	12.3 Design Procedure for Hammer Foundation
	Illustrative Examples
	References
	Practice Problems
13. Foundations of Rotary Machines
	13.1 General
	13.2 Special Considerations
	13.3 Design Criteria
	13.4 Loads on a T.G. Foundation
	13.5 Methods of Analysis and Design
	13.6 Resonance Method
	13.7 Amplitude Method
	13.8 Combined Method
	13.9 Three Dimensional Analysis
	Illustrative Example
	References
	Practice Problems
14. Vibration Isolation and Screening
	14.1 General
	14.2 Force Isolation
	14.3 Motion Isolation
	14.4 Screening of Vibrations by Use of Open Trenches
	14.5 Passive Screening by Use of Pile Barriers
	Illustrative Examples
	References
	Practice Problems
15. Reinforced Soil Wall
	15.1 General
	15.2 Analysis and Design
	15.3 Construction of a Reinforced Soil Wall
	15.4 Drainage
	Illustrative Example
	References
	Practice Problems
16. Walls Having Reinforced Sand Backfills
	16.1 General
	16.2 Brief Review
	16.3 Analysis
	16.4 Design Charts
	Illustrative Example
	References
	Practice Problems
Index