Geotechnical earthquake engineering : simplified analyses with case studies and examples

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Title:

Personal Author:

Srbulov, Milutin

Series:

Geotechnical, geological and earthquake engineering ; v. 9

Publication Information:

[Dordrecht] : Springer, c2008

Physical Description:

xxiv, 244 p. : ill. ; 24 cm. + 1 CD-ROM

ISBN:

9781402086830

General Note:

Accompanied by CD-ROM : CP 016721

Subject Term:

Earthquake engineering -- Mathematics

Soil mechanics -- Mathematics

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000010210124	TA654.6 S62 2008	Open Access Book	Book	Searching... Unknown

... "Included on the Choice list with the outstanding academic Earth Sciences titles 2008" ...

This volume describes simplified dynamic analyses that bridge the gap between the rather limited provisions of design codes and the rather eclectic methods used in sophisticated analyses. Graphs and spreadsheets are included for the ease and speed of use of simplified analyses of:

soil slope (in)stability and displacements caused by earthquakes, sand liquefaction and flow caused by earthquakes, dynamic soil-foundation interaction, bearing capacity and additional settlement of shallow foundations, earthquake motion effects on tunnels and shafts, frequent liquefaction potential mitigation measures.

A number of comments on the assumptions used in different methods, limitation and factors affecting the results are given. Several case histories are also included in the appendices in order to assess the accuracy and usefulness of the simplified methods.

Audience
This work is of interest to geotechnical engineers, engineering geologists, earthquake engineers and students.

1 Well Known Simplified Models	p. 1
1.1 Introduction	p. 1
1.2 Source Models of Energy Release by Tectonic Fault	p. 1
1.2.1 A Simplified Point-Source Model	p. 1
1.2.2 An Alternative, Planar Source Model	p. 4
1.2.3 Case Study Comparisons of the Point and Planar Source Models	p. 5
1.3 Sliding Block Model of Co-Seismic Permanent Slope Displacement	p. 6
1.3.1 Newmark's (1965) Sliding Block Model	p. 6
1.3.2 Comments on Newmarks's (1965) Sliding Block Model	p. 7
1.4 Single Degree of Freedom Oscillator for Vibration of a Structure on Rigid Base	p. 10
1.4.1 Description of the Model	p. 10
1.4.2 Comments on the Model	p. 11
1.5 Summary	p. 12
2 Soil Properties	p. 13
2.1 Introduction	p. 13
2.2 Cyclic Shear Stiffness and Material Damping	p. 14
2.2.1 Shear Stiffness and Damping Ratio Dependence on Shear Strain	p. 16
2.3 Static Shear Strengths of Soils	p. 18
2.4 Cyclic Shear Strengths of Soils	p. 20
2.5 The Equivalent Number of Cycles Concept	p. 23
2.5.1 An Example of Equivalent Harmonic Time Histories	p. 25
2.6 Water Permeability and Volumetric Compressibility	p. 26
2.7 Summary	p. 28
3 Seismic Excitation	p. 29
3.1 Introduction	p. 29
3.2 Seismic Hazard	p. 29
3.2.1 Types of Earthquake Magnitudes	p. 30
3.2.2 Types of Source-to-Site Distances	p. 31
3.2.3 Types of Earthquake Recurrence Rates	p. 31
3.2.4 Representations of Seismic Hazard	p. 32
3.2.5 Sources of Earthquake Data	p. 39
3.3 Factors Affecting Seismic Hazard	p. 41
3.3.1 Earthquake Source and Wave Path Effects	p. 41
3.3.2 Sediment Basin Edge and Depth Effects	p. 45
3.3.3 Local Soil Layers Effect	p. 54
3.3.4 Topographic Effect	p. 57
3.3.5 Space and Time Clustering (and Seismic Gaps)	p. 58
3.4 Short Term Seismic Hazard Assessment	p. 60
3.4.1 Historic and Instrumental Seismic Data Based	p. 60
3.4.2 Observational Method	p. 62
3.5 Long Term Seismic Hazard Assessment	p. 65
3.5.1 Tectonic Data Based	p. 65
3.5.2 Paleoseismic Data Based	p. 67
3.6 Summary	p. 70
4 Slope Stability and Displacement	p. 73
4.1 Introduction	p. 73
4.2 Slope Stability	p. 73
4.2.1 Limit Equilibrium Method for Two-Dimensional Analysis by Prismatic Wedges	p. 74
4.2.2 Single Tetrahedral Wedge for Three-Dimensional Analysis of Translational Stability	p. 84
4.3 Shear Beam Model for Reversible Displacement Analysis	p. 86
4.3.1 Two-Dimensional Analysis	p. 86
4.3.2 Three-Dimensional Effect	p. 88
4.4 Sliding Block Models for Permanent Displacement Analysis	p. 89
4.4.1 Co-Seismic Stage	p. 89
4.4.2 Post-Seismic Stage	p. 94
4.5 Bouncing Ball Model of Rock Fall	p. 99
4.5.1 Case Study of Bedrina 1 Rock Fall in Switzerland	p. 103
4.5.2 Case Study of Shima Rock Fall in Japan	p. 105
4.5.3 Case Study of Futamata Rock Fall in Japan	p. 106
4.6 Simplified Model for Soil and Rock Avalanches, Debris Run-Out and Fast Spreads Analysis	p. 107
4.6.1 Equation of Motion	p. 108
4.6.2 Mass Balance	p. 110
4.6.3 Energy Balance	p. 111
4.7 Summary	p. 117
5 Sand Liquefaction and Flow	p. 119
5.1 Introduction	p. 119
5.2 Conventional Empirical Methods	p. 120
5.2.1 Liquefaction Potential Assessment	p. 120
5.2.2 Flow Consideration	p. 122
5.3 Rotating Cylinder Model for Liquefaction Potential Analysis of Slopes	p. 123
5.3.1 Model for Clean Sand	p. 123
5.3.2 Model for Sand with Fines	p. 126
5.4 Rolling Cylinder Model for Analysis of Flow Failures	p. 135
5.4.1 Model for Clean Sand	p. 135
5.4.2 Model for Sand with Fines	p. 136
5.5 Summary	p. 139
6 Dynamic Soil - Foundation Interaction	p. 141
6.1 Introduction	p. 141
6.2 Advanced and Empirical Methods	p. 142
6.2.1 Numerical Methods, Centrifuge and Shaking Table Testing	p. 142
6.2.2 System Identification Procedure	p. 142
6.3 Discrete Element Models	p. 143
6.3.1 Lumped Mass Model Formula	p. 143
6.3.2 Closed Form Solution in Time	p. 150
6.3.3 Time Stepping Procedure	p. 156
6.4 Single Degree of Freedom Oscillator on Flexible Base for Piled Foundations and Flexural Retaining Walls	p. 168
6.4.1 Ground Motion Averaging for Kinematic Interaction Effect Consideration	p. 170
6.4.2 Acceleration Response Spectra Ratios for Inertial Interaction Effect Consideration	p. 172
6.5 Summary	p. 185
7 Bearing Capacity And Additional Settlement of Shallow Foundation	p. 187
7.1 Introduction	p. 187
7.2 Bearing Capacity: Pseudo-Static Approaches	p. 187
7.3 Bearing Capacity: Effects of Sub-Surface Liquefaction	p. 188
7.4 Bearing Capacity: Effects of Structural Inertia and Eccentricity of Load	p. 189
7.4.1 An Example of Calculation of Bearing Capacity of Shallow Foundation in Seismic Condition	p. 190
7.5 Additional Settlement in Granular soils	p. 191
7.5.1 Examples of Estimation of Additional Settlement Caused by Sand Liquefaction	p. 192
7.6 Summary	p. 193
8 Seismic Wave Propagation Effect on Tunnels and Shafts	p. 195
8.1 Introduction	p. 195
8.2 Wave Propagation Effect on Cut and Cover Tunnels and Shafts	p. 195
8.2.1 Case Study of the Daikai Station Failure in 1995	p. 196
8.2.2 Case Study of a Ten Story Building in Mexico City	p. 199
8.3 Wave Refraction Effect on Deep Tunnels and Shafts	p. 201
8.4 Summary	p. 202
9 Comments on Some Frequent Liquefaction Potential Mitigation Measures	p. 203
9.1 Introduction	p. 203
9.2 Stone Columns	p. 203
9.3 Soil Mixing	p. 204
9.4 Excess Water Pressure Relief Wells	p. 205
9.4.1 An Example for Pressure Relief Wells	p. 208
9.5 Summary	p. 208
Appendices Microsoft Excel Workbooks on Compact Disk	p. 211
A.1 Coordinates of Earthquake Hypocentre and Site-to-Epicentre Distance	p. 211
A.2 Limit Equilibrium Method for Northolt Slope Stability	p. 212
A.3 Single Wedge for Three-Dimensional Slope Stability	p. 214
A.4 Co-Seismic Sliding Block	p. 215
A.5a Post-Seismic Sliding Blocks for Maidipo Slip in Frictional Soil	p. 215
A.5b Post-Seismic Sliding Blocks for Catak Slip in Cohesive Soil	p. 216
A.6 Bouncing Block Model of Rock Falls	p. 216
A.7 Simplified Model for Soil and Rock Avalanches, Debris Run-Out and Fast Spreads	p. 216
A.8 Closed-Form Solution for Gravity Walls	p. 219
A.9a Time Stepping Procedure for Kobe Wall	p. 219
A.9b Time Stepping Procedure for Kalamata Wall	p. 219
A.10 Accelerogram Averaging and Acceleration Response Spectra	p. 219
A.11 Bearing Capacity of Shallow Foundation	p. 223
A.12 Excess Pore Water Pressure Dissipation	p. 223
References	p. 225
Index	p. 241

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