Foundation Engineering: Design and Construction in Tropical Soils (Balkema: Proceedings and Monographs in Engineering, Water and Earth Sciences)

Foundation Engineering: Design And Construction In Tropical Soils......Page 1
Table Of Contents......Page 5
Preface......Page 8
Acknowledgements......Page 9
1.1 BRIEF HISTORY OF FOUNDATION ENGINEERING......Page 10
1.2 FOUNDATION ENGINEERING AND TROPICAL SOILS......Page 11
1.3 CLASSIFICATION OF FOUNDATION......Page 16
1.4 UNDERSTANDING THE BEHAVIOR OF FOUNDATION AND STRUCTURE......Page 17
1.5 DECIMATION AND PUBLICATION OF CASE STUDIES......Page 18
REFERENCES......Page 19
2.2 OBJECTIVES OF GEOLOGICAL INVESTIGATIONS......Page 21
Maps......Page 22
Site investigations......Page 26
Subsurface types......Page 28
Structure......Page 33
Rockline......Page 41
2.5 GEOLOGICAL HAZARDS......Page 43
Slope stability and mass movement......Page 44
REFERENCES......Page 46
Stages of investigation......Page 49
Planning site investigation......Page 50
Subsurface investigation methods......Page 51
Sample and the techniques......Page 56
Recording and reporting......Page 58
Data assembly......Page 68
In situ sediments......Page 69
Laboratory test......Page 70
Engineered fill......Page 71
Case history no.2 – in situ sediments......Page 72
REFERENCES......Page 78
Spread footings......Page 79
Mat (or raft) foundations......Page 80
4.3 BEARING CAPACITY......Page 81
Important definitions in bearing capacity analyses......Page 82
Bearing capacity equations......Page 83
Terzaghi’s bearing capacity theory......Page 84
Meyerhof’s bearing capacity theory......Page 85
Skempton’s theory......Page 87
4.4 FOUNDATION DESIGN USING PENETRATION RESISTANCE DATA......Page 88
Standard penetration test – cohesionless soil......Page 89
Standard penetration test – cohesive soil......Page 90
Static cone resistance – cohesionless soil......Page 91
4.5 PRESSUREMETER TEST......Page 93
4.6 BEARING CAPACITY FROM FIELD LOAD TESTS......Page 94
4.8 SETTLEMENT......Page 96
Shear strain settlement......Page 97
REFERENCES......Page 98
5.1 INTRODUCTION......Page 101
5.2 DESIGN OF DRIVEN PILE......Page 103
BookmarkTitle:......Page 105
Pile capacity in granular soil......Page 107
Pile design load......Page 111
Capacity of pile group......Page 112
Group pile in clay......Page 113
Negative skin friction......Page 114
Pile driving hammers......Page 115
Pile helmets, splices and shoes......Page 119
5.4 PILE DRIVING FORMULAS......Page 121
REFERENCES......Page 123
6.1 INTRODUCTION......Page 125
Axial load carrying capacity of drilled shafts......Page 126
Skin friction......Page 127
6.3 CONSTRUCTION OF A DRILLED SHAFT......Page 130
6.4 INSTRUMENTED DRILLED SHAFT......Page 133
REFERENCES......Page 136
7.2 APPLICATION OF CAISSON AND WELL FOUNDATION DESIGNS......Page 137
Top-down construction......Page 138
Soil investigation......Page 139
Water inflow......Page 140
Axial capacity......Page 141
Settlement......Page 142
7.4 CAISSON LOAD TESTS......Page 143
Construction time......Page 144
7.6 SAFETY CONSIDERATIONS......Page 145
REFERENCES......Page 146
8.2 PROBLEM IDENTIFICATION......Page 147
8.3 FACTORS TO BE CONSIDERED......Page 148
Soil properties......Page 149
Pile head condition......Page 150
8.5 FACTOR OF SAFETY......Page 153
Criteria......Page 154
Evaluation of superstructure......Page 155
Checking adequate ground support to piles......Page 156
REFERENCES......Page 157
9.2 GENERAL FEATURES OF MICROPILES......Page 159
9.3 APPLICATIONS......Page 160
9.5 THE DESIGN CONCEPT......Page 162
Structural design......Page 163
Drilling method......Page 164
Construction measures......Page 165
Case history II......Page 167
Case history III......Page 168
REFERENCES......Page 169
10.2 THE AUGEO PILE SYSTEM......Page 171
10.3 DESIGN OF THE AUGEO PILE......Page 172
Step 1: Computation of Augeo pile spacing......Page 173
Step 2: Vertical load shedding......Page 174
Step 3: Design of geogrid......Page 175
Step 5: Reinforcement bond......Page 176
10.4 CONSTRUCTION OF AUGEO PILE EMBANKMENT......Page 178
REFERENCES......Page 180
11.2 STATIC LOAD TEST......Page 181
Chin’s method......Page 183
Pile settlement acceptance criteria......Page 184
11.4 DYNAMIC METHODS......Page 188
Comparison of test results of high strain dynamic testing with static load test......Page 190
11.5 CONCRETE PILE INTEGRITY......Page 191
REFERENCES......Page 192
12.1 INTRODUCTION......Page 195
Case 1: An oil storage tank......Page 196
Case 2: A row of 2-storey shops......Page 197
Case 4: An R.C. bridge foundation......Page 198
Case 5. A pre-stressed bridge foundation......Page 204
12.3 REMEDIALWORKS......Page 208
12.4 CAUSES OF FAILURE AND LESSONS LEARNED......Page 211
Design inadequacy......Page 212
Lack of design input during construction......Page 213
REFERENCES......Page 214
13.2 DESIGN OF PILE SUPPORTED EMBANKMENT......Page 217
Design of piled RC slab......Page 221
Step 2: Design of piled raft......Page 223
REFERENCES......Page 228
14.2 FUNDAMENTALS OF ENGINEERING GEOLOGY......Page 231
Lithology......Page 232
Weathering......Page 233
Foundations in limestone......Page 234
Foundations in residual soils/rocks......Page 236
Rockfall in limestone cliffs......Page 237
Engineering geology of highways and roadways......Page 240
Tunnels......Page 241
14.5 CONCLUSIONS......Page 245
REFERENCES......Page 246