Pile Design and Construction Practice, Fifth edition

vi Contents
4 Calculating the resistance of piles to compressive loads 139
4.1 General considerations 139
4.2 Calculations for piles in fine-grained soils 151
4.3 Piles in coarse-grained soils 165
4.4 Piles in soils intermediate between sands and clays 188
4.5 Piles in layered fine- and coarse-grained soils 189
4.6 The settlement of the single pile at the working load
for piles in soil 192
4.7 Piles bearing on rock 196
4.8 Piles in fill – negative skin friction 212
4.9 References 220
4.10 Worked examples 223
5 Pile groups under compressive loading 240
5.1 Group action in piled foundations 240
5.2 Pile groups in fine-grained soils 243
5.3 Pile groups in coarse-grained soils 263
5.4 Eurocode 7 recommendations for pile groups 272
5.5 Pile groups terminating in rock 272
5.6 Pile groups in filled ground 276
5.7 Effects on pile groups of installation methods 278
5.8 Precautions against heave effects in pile groups 281
5.9 Pile groups beneath basements 282
5.10 The optimization of pile groups to reduce
differential settlements in clay 287
5.11 References 288
5.12 Worked examples 290
6 The design of piled foundations to resist
uplift and lateral loading 305
6.1 The occurrence of uplift and lateral loading 305
6.2 Uplift resistance of piles 308
6.3 Single vertical piles subjected to lateral loads 327
6.4 Lateral loads on raking piles 352
6.5 Lateral loads on groups of piles 353
6.6 References 356
6.7 Worked examples 357
7 Some aspects of the structural design of
piles and pile groups 375
7.1 General design requirements 375
7.2 Designing reinforced concrete piles for lifting after fabrication 376