Preface |
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xiii | |
Authors |
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xv | |
1 Introduction |
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1 | (2) |
2 Basics of geotechnical analysis |
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3 | (24) |
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2.1 Soil-structure interaction |
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3 | (1) |
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2.2 Analysis according to Eurocode 7 (EC 7) |
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4 | (9) |
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5 | (1) |
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2.2.2 Ultimate limit state (ULS) and serviceability limit state (SLS) |
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6 | (1) |
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2.2.3 Rules for combination factors |
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6 | (1) |
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2.2.4 General procedure of analysis |
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7 | (2) |
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2.2.5 Geotechnical categories |
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9 | (4) |
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2.3 Soil investigation according to Eurocode 7 (EC 7) |
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13 | (6) |
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2.3.1 Soil investigation program |
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14 | (2) |
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2.3.2 Soil investigation for foundation systems |
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16 | (2) |
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2.3.3 Soil investigation for excavations |
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18 | (1) |
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2.4 Guarantee of safety and optimization by the four-eye principle |
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19 | (2) |
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21 | (1) |
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22 | (5) |
3 Spread foundations |
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27 | (48) |
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3.1 Single and strip foundations |
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27 | (1) |
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28 | (1) |
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3.3 Geotechnical analysis |
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28 | (33) |
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28 | (1) |
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3.3.2 Distribution of the contact pressure |
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29 | (12) |
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31 | (4) |
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3.3.2.2 Distribution of the contact pressure under rigid foundations according to Boussinesq |
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35 | (1) |
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3.3.2.3 Stress trapeze method |
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36 | (3) |
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3.3.2.4 Subgrade reaction modulus method |
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39 | (2) |
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3.3.2.5 Stiffness modulus method |
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41 | (1) |
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3.3.3 Geotechnical analysis |
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41 | (20) |
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3.3.3.1 Analysis of safety against loss of balance because of overturning |
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42 | (1) |
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3.3.3.2 Analysis of safety against sliding |
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43 | (1) |
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3.3.3.3 Analysis of safety against base failure |
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44 | (7) |
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3.3.3.4 Analysis of safety against buoyancy |
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51 | (1) |
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3.3.3.5 Analysis of foundation rotation and limitation of the open gap |
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52 | (1) |
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3.3.3.6 Analysis of horizontal displacements |
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53 | (1) |
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3.3.3.7 Analysis of settlements and differential settlements |
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53 | (1) |
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3.3.3.8 Simplified analysis of spread foundations in standard cases |
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54 | (7) |
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3.4 Examples of spread foundations from engineering practice |
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61 | (9) |
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3.4.1 High-rise building complex of Zurich Assurance |
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62 | (1) |
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63 | (1) |
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64 | (3) |
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3.4.4 Frankfurt Bureau Centre (FBC) |
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67 | (2) |
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3.4.5 Twin towers of Deutsche Bank |
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69 | (1) |
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70 | (5) |
4 Deep foundations |
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75 | (40) |
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75 | (1) |
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76 | (4) |
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4.3 Geotechnical analysis |
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80 | (19) |
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80 | (2) |
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4.3.2 Single piles with axial loads |
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82 | (2) |
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4.3.3 Pile groups with axial loads |
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84 | (2) |
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4.3.4 Single piles with horizontal loads |
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86 | (2) |
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4.3.5 Pile groups with horizontal loads |
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88 | (3) |
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4.3.6 Empirical values for axial loaded piles |
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91 | (3) |
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94 | (3) |
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4.3.8 Special methods for analysis |
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97 | (1) |
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4.3.9 Negative skin friction |
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97 | (1) |
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4.3.10 Serviceability limit state (SLS) |
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98 | (1) |
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4.4 Examples of classic pile foundations from engineering practice |
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99 | (11) |
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99 | (1) |
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99 | (3) |
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4.4.3 International Business Centre Solomenka |
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102 | (8) |
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110 | (5) |
5 Combined pile-raft foundation (CPRF) |
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115 | (50) |
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5.1 Bearing and deformation behavior |
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115 | (4) |
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119 | (1) |
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5.3 Geotechnical analysis |
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120 | (4) |
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5.3.1 Ultimate limit state (ULS) |
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120 | (1) |
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5.3.2 Serviceability limit state (SLS) |
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121 | (1) |
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121 | (3) |
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121 | (1) |
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121 | (3) |
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124 | (1) |
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124 | (1) |
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5.6 Examples from engineering practice |
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124 | (37) |
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125 | (3) |
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128 | (5) |
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133 | (2) |
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135 | (1) |
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135 | (2) |
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137 | (1) |
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138 | (7) |
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145 | (2) |
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147 | (1) |
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147 | (1) |
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147 | (4) |
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151 | (2) |
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153 | (3) |
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156 | (2) |
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158 | (3) |
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161 | (4) |
6 Dynamic behavior of foundation systems |
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165 | (82) |
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6.1 Introduction to dynamic aspect of deep foundation system |
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165 | (3) |
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6.2 Dynamic soil parameters |
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168 | (9) |
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6.2.1 Determination of dynamic soil parameters |
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169 | (8) |
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169 | (1) |
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169 | (1) |
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170 | (1) |
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6.2.1.4 Following consideration should be made to determine in situ dynamic properties of soil |
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170 | (1) |
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6.2.1.5 Comparison of laboratory and field test results |
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171 | (1) |
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6.2.1.6 Stress-strain behavior of cyclically loaded soil |
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171 | (6) |
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6.3 Free-field ground response analysis |
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177 | (6) |
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6.3.1 Parameters influencing ground response analysis |
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179 | (1) |
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6.3.1.1 Main factors that influence local site effect |
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179 | (1) |
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6.3.2 Wave propagation and site amplification |
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180 | (1) |
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6.3.3 Assumptions of analysis |
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180 | (1) |
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6.3.4 Different approaches for free- field ground response analysis |
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181 | (1) |
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181 | (1) |
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6.3.4.2 Equivalent-linear approach |
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181 | (1) |
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6.3.4.3 Nonlinear approach |
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182 | (1) |
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6.3.5 Steps to be followed for the free-field analysis |
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182 | (1) |
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183 | (7) |
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183 | (2) |
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6.4.2 Evaluation of liquefaction potential of soil |
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185 | (1) |
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6.4.3 Liquefaction susceptibility criteria |
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186 | (1) |
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6.4.4 Simplified approaches for estimating liquefaction potential of cohesionless soils based on standard penetration test (SPT) |
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187 | (3) |
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6.4.4.1 Evaluation of cyclic stress ratio (CSR) |
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187 | (1) |
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6.4.4.2 Evaluation of cyclic resistance ratio (CRR) |
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188 | (1) |
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6.4.4.3 Evaluation of liquefaction potential or cyclic failure of silts and clays |
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188 | (2) |
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6.5 Liquefaction hazard mapping |
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190 | (2) |
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6.5.1 Recent advances in liquefaction hazard mapping |
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191 | (1) |
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6.5.2 Generalized procedure for liquefaction hazard mapping |
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192 | (1) |
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6.6 Seismic analysis of single pile |
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192 | (15) |
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6.6.1 Types of pile foundation |
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193 | (1) |
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6.6.1.1 Classification based on the mode of transfer of load |
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193 | (1) |
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6.6.1.2 Classification based on type of piles |
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193 | (1) |
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6.6.2 Failure mechanism of single pile |
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194 | (2) |
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6.6.3 Pseudo-static analysis of pile |
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196 | (3) |
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6.6.4 Dynamic forces on pile foundation |
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199 | (8) |
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6.6.4.1 Liquefaction-induced forces on pile foundation |
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200 | (2) |
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6.6.4.2 Design approaches for pile foundation |
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202 | (1) |
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6.6.4.3 Analysis of pile in liquefying soil considering failure criteria |
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203 | (4) |
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6.6.5 Performance of pile foundations during recent earthquakes |
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207 | (1) |
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6.7 Seismic analysis of pile groups |
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207 | (6) |
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6.7.1 Failure mechanism of pile group |
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209 | (2) |
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6.7.1.1 Formation of plastic hinge both at top and bottom of pile group |
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209 | (1) |
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6.7.1.2 Pile group passing through inclined, liquefiable sand layer underlain by bedrock and overlain by non-liquefiable sand |
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210 | (1) |
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6.7.1.3 Pile group passing through inclined, liquefiable sand layer underlain by dense sand and overlain by non-liquefiable sand |
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210 | (1) |
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6.7.2 Pile group pseudo-static analysis |
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211 | (2) |
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6.8 Seismic soil-pile structure interaction |
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213 | (3) |
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6.8.1 Three methods of analyzing seismic soil-pile structure interaction |
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214 | (1) |
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6.8.1.1 Elastic continuum method |
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214 | (1) |
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6.8.1.2 Nonlinear Winkler foundation method |
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215 | (1) |
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6.8.1.3 Finite element method |
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215 | (1) |
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6.8.2 Soil-pile structure interaction approach described by various researchers |
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215 | (1) |
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6.8.2.1 Concept of pile failure by [ 71] |
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216 | (1) |
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6.9 Seismic analysis of combined pile-raft foundation (CPRF) |
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216 | (2) |
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6.9.1 Advantages of CPRF under dynamic conditions |
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217 | (1) |
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6.10 Numerical dynamic analysis |
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218 | (4) |
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6.10.1 Steps to be followed for the design of single pile, pile group and CPRF |
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218 | (1) |
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6.10.2 Numerical dynamic analysis of oil tank foundation: A case study |
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219 | (3) |
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6.11 Dynamic centrifuge tests on piles and CPRF |
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222 | (1) |
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6.12 Seismic analysis of pier and well foundation |
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222 | (6) |
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6.12.1 One-dimensional (1D) spring dashpot analysis of soil-well-pier foundation |
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226 | (1) |
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6.12.2 Finite element analysis of soil-well-pier foundation |
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227 | (1) |
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228 | (7) |
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6.13.1 Codal provision for ground response analysis |
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228 | (4) |
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229 | (1) |
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230 | (2) |
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6.13.1.3 Indian standard code (IS 1893-Part 1, 2002) |
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232 | (1) |
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6.13.2 Design of pile foundation |
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232 | (15) |
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6.13.2.1 Development of Japanese code of practice (1972-1996) |
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232 | (1) |
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6.13.2.2 Japanese highway bridge specification |
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233 | (2) |
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6.13.2.3 Eurocode 8 (1998) |
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235 | (1) |
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235 | (1) |
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235 | (12) |
7 Special foundations |
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247 | (30) |
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7.1 Geothermally activated foundation systems |
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247 | (12) |
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248 | (1) |
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249 | (1) |
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7.1.3 Analysis and design |
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250 | (1) |
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251 | (2) |
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7.1.5 Examples from engineering practice |
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253 | (6) |
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253 | (3) |
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256 | (3) |
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259 | (8) |
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7.2.1 Objectives of reuse |
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259 | (1) |
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7.2.2 Geotechnical analysis |
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260 | (1) |
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7.2.3 Necessary investigations |
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261 | (1) |
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7.2.4 Examples from engineering practice |
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261 | (8) |
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261 | (4) |
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7.2.4.2 Hessian parliament |
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265 | (2) |
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267 | (2) |
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269 | (2) |
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7.4.1 Open caisson foundations |
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269 | (1) |
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7.4.2 Air chamber caisson foundations |
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270 | (1) |
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271 | (1) |
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272 | (5) |
Appendix A |
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277 | (14) |
Index |
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291 | |