EARTHQUAKE RESISTANT BUILDING DESIGN AND CONSTRUCTION SECOND EDITIONPDF电子书下载

1 Earthquakes:Their Importance to the Engineer 1

The Origin of an Earthquake 1

Types of Earthquake Faults 2

Forces Exerted by an Earthquake 2

Lengths of Faults and Extent of Earth M ovement 4

Activity of Faults 5

ContentsPreface to First Edition 5

Tectonics 6

Preface to Second Edition 6

The Richter Magnitude 7

Modified Mercalli Intensity 8

Earthquake Accelerations and Strong Motion Accelerographs 9

Liquefaction 11

Other Earthquake Effects 13

Tsunami 15

Earthquake Prediction 16

Geologic and Seismic Evaluation of a Site 19

2 History and Development of Seismic Building Codes 21

Early Developments 22

The First Los Angeles City Seismic Code Early Japanese Requirements 23

The Effects of Building Deflection 24

Influence of Building Height on Seismic Forces The 1943 Los Angeles City Code 25

Base Shear 25

Revision of the Los Angeles City Building Code for Buildings Over 13 Stories 26

The SEAOC Seismic Code 27

Ad Hoc Committee 35

Revision of the SEAOC Code 37

Comprehensive Seismic Design Provisions of the Applied Technology Council 42

ATC-3-06 Tentative Provisions for the Development of Seismic Regulations for Buildings 44

An Appraisal of the Concept of Equivalent Static Forces 54

3 Bracing Systems and Load Distribution 57

General Requirements 57

Distribution of Earthquake Forces Without Torsion 58

Distribution of Forces with Torsion 74

Diaphragms 83

Design by Response Spectra 94

4 Dynamic Analysis 94

Analysis by Mathematical Model 99

The Uncertainties of Dynamic Analysis 99

5 Observation and Analysis of Earthquake Damage to Buildings 103

Concerning Ductility 105

Shear Walls 110

Column Failures Due to Overturning 119

The Effect of Infilled Masonry Walls 123

Tilt-Up Construction 124

Torsion 127

Wood Frame Construction 130

A Very Hazardous Type of Building 134

6 Earthquake Strengthening of Buildings 136

Legal Requirements for Strengthening the Buildings Within A City 140

Gunite 142

Strengthening of Masonry Walls 144

Correction of Diaphragm Deficiencies 149

Use of Plywood for Shear Walls 159

Example of Plywood Shear Wall 161

Description of a Strengthening Project 166

High Rise Concrete 167

Multistory Steel Frame 171

Administration and Coordination of Strengthening Projects 172

Prevention of Nonstructural Damage 174

7 Repair of Earthquake Damage 178

Use of Epoxy 179

Cyclic Loading Tests of Epoxy Repaired Concrete Beams 181

Bond Tests 182

Spalled Concrete 184

Buckled Reinforcing 185

Structural Steel Frame 185

References 187

Appendix 189

Earthquake Intensity Scales 189

Modified Mercalli Intensity Scale,1956 Version 191

Bending Deflection of a Frame 193

Index 195