Ground Improvement with Geotechnical Site Investigation

Cover......Page 1
GeotechnicalInvestigations andImprovement ofGround Conditions......Page 3
Copyright......Page 4
  Purpose of ground improvement......Page 5
  Methods of ground improvement......Page 6
  Scope......Page 8
 Compaction theory......Page 11
 Effect on soil properties......Page 13
 Instruments and methods......Page 14
 Vibro-techniques for compaction......Page 16
 Dynamic compaction......Page 18
 Blasting......Page 20
 Field compaction and its control......Page 21
 Further reading......Page 22
  Mechanism......Page 23
  Proportioning of materials......Page 24
 Chemical stabilization......Page 25
  Lime stabilization......Page 26
  Cement stabilization......Page 27
  Bitumen stabilization......Page 28
   Synthetic resins......Page 29
  Stabilization with recycled and waste products......Page 30
 Further reading......Page 31
  Sumps and ditches......Page 32
  Well points......Page 33
  Wick drains and surcharging......Page 34
  Electro-osmosis......Page 37
 Further reading......Page 39
 Introduction......Page 40
  Drilling of grout holes......Page 41
  Grout material......Page 42
  Mixing unit......Page 43
  Grout pumps......Page 44
  Geologic and site consideration......Page 45
  Grouting methods based on mechanism......Page 46
  Grouting methods based on implementation......Page 48
 Further reading......Page 51
 Stone column installation methods......Page 52
 Stone column design parameters......Page 54
  Area replacement ratio......Page 55
  Improvement factor......Page 56
  Load carrying capacity......Page 58
 References......Page 62
 Further reading......Page 63
 Geosynthetic materials......Page 64
 Soil nailing......Page 71
 Soil anchoring......Page 74
 Micropiling......Page 76
 Further reading......Page 78
  Heating......Page 80
  Ground freezing......Page 81
 Bioengineering treatment......Page 82
  Plantation and vegetation growth......Page 83
  Microbial geotechnology......Page 84
 Geopolymerization......Page 85
 Nano particles additives and carbon nanotubes......Page 86
 Use of waste materials......Page 87
 Weight reduction method......Page 88
 Further reading......Page 89
 Introduction......Page 90
  Geophysical exploration......Page 91
   Seismic refraction method......Page 93
   Electrical resistivity method......Page 96
  Boring and drilling techniques......Page 98
   Percussion drilling......Page 99
   Rotary core drilling......Page 101
   Dynamic cone penetration test......Page 103
   Pressure metre test......Page 105
   Lugeon test......Page 108
   Flat plate dilatometer......Page 109
   Plate load test......Page 112
   Standard penetration test......Page 116
   Packer test......Page 119
   Field vane shear test......Page 120
   Sand replacement test......Page 122
 Field identification of soils and rocks properties......Page 123
   Weathering......Page 125
   Hardness......Page 126
   Dry strength test......Page 134
 Sampling techniques, preservation, and transportation of samples to laboratory......Page 135
 Borehole and trial pit logging......Page 141
 Assessment of ground water table......Page 143
  Chalked steel tape......Page 148
  Electric tape......Page 149
  Pressure transducers......Page 150
 Geotechnical specification writing......Page 151
 Geotechnical report writing......Page 153
 Geotechnical risk and hazards......Page 155
 References......Page 157
 Further reading......Page 158
 Introduction......Page 159
 Procedure of forensic geotechnical investigation......Page 160
 Case examples......Page 162
 References......Page 166
 Further reading......Page 167
  Assessment of liquefaction potential in soils......Page 168
 Expansive soil......Page 171
  Identification of swelling soils......Page 172
  Geotechnical approaches for construction in expansive soils......Page 173
 Land reclamation......Page 174
  Dredging......Page 175
  Reclamation......Page 176
  Geotechnical investigation......Page 177
  Ground improvement methods......Page 179
  Geotechnical concerns......Page 181
  Ground improvement......Page 182
 Landslide and slope failures......Page 184
  Failure preventive measures......Page 185
  Structural components of cricket pitches......Page 186
  Effects of soil gradation and properties on the performance of a pitch......Page 187
 References......Page 189
 Further reading......Page 190
 D......Page 193
 G......Page 194
 I......Page 196
 P......Page 197
 S......Page 198
 U......Page 200
 W......Page 201
Back Cover......Page 202