1 General 8
2 Terms and definitions 9
3 Basic requirements 11
3.1 General 11
3.2 Selection of pile type 12
4 Bearing capacity 15
4.1 General 15
4.2 Axial bearing capacity 17
4.3 Calculation of piles under horizontal load 40
5 Structural design of precast concrete pile 45
5.1 General 45
5.2 Internal forces induced by pile lifting and stress induced by pile driving 46
5.3 Calculation and structural details of concrete square pile 47
5.4 Calculation and structure details of prestressed concrete pipe pile 51
6 Structural design of steel pile 57
6.1 Materials 57
6.2 Calculation and structural details 60
6.3 Anticorrosion 67
7 Structural design of cast-in-situ pile 74
7.1 General 74
7.2 Structural calculation of pile shaft 74
7.3 Structural details 74
8 Structural design of rock-socketed pile 77
8.1 General 77
8.2 Construction details of cast-in-situ pile socketed in rock 77
8.3 Structural type and details of prefabricated pile socketed in rock 78
9 Construction of precast concrete pile and steel pile 83
9.1 General 83
9.2 Selection of piling vessel and equipment 84
9.3 Surveying and positioning 86
9.4 Manufacture of prestressed concrete pile and reinforced concrete pile 88
9.5 Manufacture and splicing of prestressed concrete pipe pile 89
9.6 Lifting stockpiling and transportation of precast concrete pile 93
9.7 Driving of precast concrete pile 95
9.8 Manufacture of steel pipe pile 100
9.9 Welding of steel pipe pile 103
9.10 Coating construction for steel pipe pile 107
9.11 Stockpiling and transportation of pipe pile 108
9.12 Pile installation of steel pipe pile 108
9.13 Piling control 110
9.14 Construction inspection and quality control 110
10 Construction of cast-in-situ pile 113
10.1 General 113
10.2 Bore drilling 114
10.3 Manual excavation of hole 119
10.4 Reinforcement cage 120
10.5 Concreting 121
10.6 Post grouting for cast-in-situ pile 123
10.7 Construction inspection and quality control 125
11 Construction of rock-socketed pile 128
11.1 General 128
11.2 Pile driving and stabilizing technology 130
11.3 Boring 131
11.4 Concreting 134
11.5 Construction of cast-in-situ pile socketed in Rock 136
11.6 Construction of prefabricated pile socketed in rock 136
11.7 Construction of prefabricated pile with core column socketed in rock 137
11.8 Construction of prefabricated pile anchored in rock 138
11.9 Construction of pile socketed and anchored in rock 140
11.10 Inspection and quality control 141
12 Axial static load test 143
12.1 General 143
12.2 Test equipment 145
12.3 Static load test 145
12.4 Static pull-out load test of anchor bolt 150
13 Horizontal static load test 154
13.1 General 154
13.2 Test equipment 154
13.3 Static load test 155
Annex A Outlines of geotechnical investigation for pile foundation engineering 157
Annex B Schematic diagrams of rock-socketed type and construction of rock-socketed piles 159
Annex C Reduction factor for pile group in open piled berthing structure cap 166
Annex D Calculation of pile under horizontal loads 168
Annex E Determination of the buckling calculation length of pile 182
Annex F Layout of lifting points and calculation of internal force of pile during lifting and transportation 184
Annex G Design of lifting lug 190
Annex H Record of trial pile driving 192
Annex J Reference data of hammer selection 194
Annex K Record of pile driving and positioning 197
Annex L Summary record of pile driving by hammering 198
Annex M Record of pile driving by jetting 199
Annex N References for water pump, jetting pipe and multi-jets nozzle used in piling by jetting 201
Annex P Slurry performance index 203
Annex Q Performance requirements for clay, bentonite and additive of slurry 204
Annex R Determination method for slurry performance index 206
Annex S Scope of boring equipment 208
Annex T Record of boring 210
Annex U Loading test record of test pile 213
Annex W Explanation of words and expressions in this code 214
Additional notes 217