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- 2 -© The Government of the Hong Kong Special Administrative RegionFirst published, July 1999Prepared by:31B. REC. NO.te: =r - r -—^DATEREG'DCLASS NO.AUTHOR NO.Geotechnical Engineering Office,Civil Engineering Department,Civil Engineering Building,101 Princess Margaret Road,Homantin, Kowloon,Hong Kong.This publication is available from:Government Publications Centre,Ground Floor, Low Block,Queensway Government Offices,66 Queensway,Hong Kong.Overseas orders should be placed with:Publications Sales Section,Information Services Department,Room 402,4th Floor, Murray Building,Garden Road, Central,Hong Kong.Price in Hong Kong: HK$292Price overseas: US$43 (including surface postage)An additional bank charge of HK$50 or US$6.50 is required per cheque made in currenciesother than Hong Kong dollars.Cheques, bank drafts or money orders must be made payable toThe Government of the Hong Kong Special Administrative Region
- 3 -PREFACEIn keeping with our policy of releasing information whichmay be of general interest to the geotechnical profession and thepublic, we make available selected internal reports in a series ofpublications termed the GEO Report series. A charge is made tocover the cost of printing.The Geotechnical Engineering Office also publishesguidance documents as GEO Publications. These publicationsand the GEO Reports may be obtained from the Government'sInformation Services Department. Information on how topurchase these documents is given on the last page of this report.R.K.S.ChanHead, Geotechnical Engineering OfficeJuly 1999
Page 1: SITE CHARACTERISATIONSTUDY - PHASES
Page 6 and 7: - 4 -FOREWORDThis report presents t
Page 8 and 9: - 6 -In Phase 2 the Group 1 and 2 t
Page 10 and 11: - 8 -3.3.6 Self Potential (SP) 173.
Page 12 and 13: - 10 -1. INTRODUCTIONThe collapse o
Page 14 and 15: - 12 -(v) Zones of enhanced moistur
Page 16 and 17: - 14 -contrasts in electrical, dens
Page 18 and 19: - 16 -A total of 4 drillholes and 1
Page 20 and 21: - 18 -The time-domain electromagnet
Page 22 and 23: - 20 -the GI data, final interpreta
Page 24 and 25: - 22 -4.2.5 Trial Site H - Fill Slo
Page 26 and 27: - 24 -4.4 Ground Investigation4,4.1
Page 28 and 29: - 26 -Figure 19 shows the different
Page 30 and 31: - 28 -estimate of wall thickness fr
Page 32 and 33: - 30 -techniques and also to develo
Page 34 and 35: - 32 -TIST OF FIGURESFigureNo.PageN
Page 38: - 36 -
Page 51 and 52: - 49 -
Page 53: - 51 -
Page 58 and 59:
- 56 -
Page 63:
- 61 -
Page 68:
- 66 -
Page 71 and 72:
- 69 -APPENDIX ASITE CHARACTERISATI
Page 73 and 74:
- 71 -A.I OBJECTIVETo assess the ca
Page 75 and 76:
- 73 -to take a driven sample at th
Page 77 and 78:
- 75 -A.8 PRELIMINARY THOUGHTS ON F
Page 79 and 80:
- 77 -APPENDIX BGEOPHYSICS LITERATU
Page 81 and 82:
- 79 -B.2.5.2 Case Histories 89B.2.
Page 83 and 84:
- 81 -Acoustic P-wave velocity meas
Page 85 and 86:
- 83 -a cut slope were successfully
Page 87 and 88:
- 85 -Analysis of Surface Waves (SA
Page 89 and 90:
- 87 -B.2.4.2 Frequency-Domain Elec
Page 91 and 92:
- 89 -The depth of penetration of a
Page 93 and 94:
- 91 -(vi) Ground Penetrating Radar
Page 95 and 96:
- 93 -Hall, D.H. and Hajnal, Z. (19
Page 97 and 98:
- 95 -Pullan, S.E. & Hunter, J.A. (
Page 99 and 100:
- 97 -Butler, D. & Pedersen, E.P. (
Page 101 and 102:
- 99 -Guenther, M. & Kathage, A.F.
Page 103 and 104:
- 101 -Maynard, K.C. & Field, O.K.
Page 105 and 106:
- 103 -Stokoe, K.H., Nazarian, S.,
Page 111 and 112:
- 109 -Table B2 - A Summary of GPR
Page 113 and 114:
- Ill -Figure Bl - Shallow Seismic
Page 115 and 116:
- 113 -
Page 117 and 118:
- 115 -
Page 119 and 120:
- 117 -APPENDIX CPROFILES OF CONTRA
Page 121 and 122:
- 119 -C.I PHASE 1 FIELD TRTATSBach
Page 123 and 124:
- 121 -The Institute of Geophysical
Page 125 and 126:
- 123 -LIST OF TABLESTableNo.PageNo
Page 127 and 128:
- 125 -1. Main Contractor :Bachy So
Page 129 and 130:
- 127 -Table C3 - Contractor Profil
Page 131 and 132:
- 129 -1. Main Contractor :Guangdon
Page 133 and 134:
- 131 -Table C7- Contractor Profile
Page 135 and 136:
- 133 -1. Main Contractor:Meinhardt
Page 137 and 138:
- 135 -Table Cl 1 - Contractor Prof
Page 139 and 140:
- 13'1. Main Contractor:Golder Asso
Page 141 and 142:
- 139 -1. Main Contractor:Bachy Sol
Page 143 and 144:
- 141 -Table C17 - Contractor Profi
Page 145 and 146:
- 143 -1. Main Contractor:Guangdong
Page 147 and 148:
- 145 -Table C21 - Contractor Profi
Page 149 and 150:
- 147 -APPENDIX DASSESSMENT OF THE
Page 151 and 152:
- 149 -D.7 THERMAL IMAGING 161D.7.1
Page 153 and 154:
- 151 -exception of TB04. Generally
Page 155 and 156:
- 153 -(c) GSC present pseudo-dispe
Page 157 and 158:
- 155 -interpretations of subsurfac
Page 159 and 160:
- 157 -None of the contractors carr
Page 161 and 162:
- 159 -D.5.2.2 Assessment of the MT
Page 163 and 164:
- 161 -was generally used by all co
Page 165 and 166:
- 163 -LIST OF TABLESTableNo.PageNo
Page 167 and 168:
- 165 -LISTOFPT.ATF.SPlateNo.PageNo
Page 169 and 170:
- 167 -plateNo.PageN aD2 1 Sting no
Page 171 and 172:
- 169 -
Page 173 and 174:
- 171 -
Page 175 and 176:
- 173 -
Page 177 and 178:
- 175 -
Page 179 and 180:
- 177 -
Page 181 and 182:
- 179 -
Page 186:
- 184 -
Page 194 and 195:
- 192 -CONTENTSPageNo.CONTENTS 192E
Page 196 and 197:
- 194 -signal to improve the signal
Page 198 and 199:
- 196 -well with the GPR results an
Page 200:
- 198 -TXST OF FIGURESFigureNo.Page
Page 210 and 211:
GEOTECHNICAL ENGINEERING OFFICE PUB
Page 212 and 213:
Report on the Shum Wan Road Landsli
Page 214 and 215:
Report on the Rainstorm of August 1
Page 216 and 217:
Conventional and CRS Rowe Cell Cons
Page 218 and 219:
Report on the Ching Cheung Road Lan
Page 220 and 221:
Geology of the Western New Territor
Page 222 and 223:
Shan Pui: Superficial Geology (1:5
Page 224:
GE ° PUbHCati ° nS (eXCept Sheet
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