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- 132 -Table C8 - Field Records - Phase i Field Trials - Institute of Geophysical and GeochemicalExplorationGeophysicalTrialStartEndPersonRemarksMethodsSiteDateDateIn ChargeGPRA24.01.9624.01.96WulOOMhz antenna's used in bothB19.01.9619.01.96Zhipingmonosatic and bistatic mode.C16.01.9616.01.96D18.01.9618.01.96SASWA25.01.9625.01.96YangSASW tried along concrete tie beamB19.01.9629.01.96Piyuanat site B.C15.01.9616.01.96D27.01.9627.01.96EMA24.01.9624.01.96Hu PingTime domain electromagnetic methodB19.01.9619.01.96tested.C16.01.9616.01.96D17.01.9617.01.96HRSRA24.01.9624.01.96XuAt site B, geophones set up along TB03B20.01.9629.01.96Mingcaiwith energy source initiated atC16.01.9616.01.96increasing distances from wall along theD18.01.9618.01.96May Hall platform.RIA25.01.9625.01.96ZhouDipole-dipole electrodes array utilisedB20.01.9620.01.96Anchangwith both stainless steel and copperC15.01.9616.01.96electrodes.D27.01.9627.01.96Key:Trial Site "A" - Kennedy Town Police QuartersTrial Site "B" - EHot Hall, University of Hong KongTrial Site H C M - Sir Ellis Kadoori School, So Kan PoTrial Site "D" - Cape CoIUsinson Crematorium, Chai WanGPR - Ground Penetrating RadarSASW -Spectral Analysis of Surface WavesHRSR - High Resolution Seismic ReflectionEM - Electromagnetic MethodHRTI - High Resolution Thermal ImagingRI - Resistivity ImagingSP -SelfPotential(AST) - Acoustic/Sonic Tool(SR) - Seismic Refraction(MEMUS) - Magnetic/EM Utility Scan( ) - To be carried out at the contractors own cost
- 133 -1. Main Contractor:Meinhardt WorksTable C9 - Contractor Profile - Phase 1 Field Trials2. Joint Venture Companies :Fong On Construction (FOC), Bay Geophysical Associates Inc., (BG) andWorks Consultancy Service. (W)3. The Non-invasive techniques used :a) Ground Penetrating Radarb) Spectral Analysis of Surface Wavesc) Electromagnetic Methodd) Resistivity Imaginge) Self Potential4. Names of Staff to be Employed on the Site Trials :- A. J. Sutherland (W) - NZCScience(Geo), 12 years exp.- S, Mcquown (BG)- S. Lai (FOC) - HD(Eng), 5 years exp.5. Equipment Details:Techniquea) GroundPenetrating Radarb) Spectral Analysisof Surface Wavesc) ElectromagneticMethodd) ResistivityImaginge) Self PotentialManufacturerGeophysicalSurvey Systems Inc.ToshibaMetrabyteBruel & KjaerBruel & KjaerGeonicsABEMABEMType- SIR 2 System- 200,400, 500MHz antenna's- T4700CS laptop computer-DAS 1602 A/D board- Model 4384 Accelerometer(Piezoelectric transducer)- Model 2635 Charge Amplifier- EM 31-D terrain conductivity meter- Tetrameter (SAS 300) resistivity meter- 24 no. 6mm diameter stainless steel tubeelectrodes- Terrameter (SAS 300) resistivity/SP meter- Copper-copper sulphate non-polarizingelectrodes
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SITE CHARACTERISATIONSTUDY - PHASES
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- 2 -© The Government of the Hong
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- 4 -FOREWORDThis report presents t
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- 6 -In Phase 2 the Group 1 and 2 t
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- 8 -3.3.6 Self Potential (SP) 173.
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- 10 -1. INTRODUCTIONThe collapse o
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- 12 -(v) Zones of enhanced moistur
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- 14 -contrasts in electrical, dens
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- 16 -A total of 4 drillholes and 1
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- 18 -The time-domain electromagnet
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- 20 -the GI data, final interpreta
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- 22 -4.2.5 Trial Site H - Fill Slo
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- 24 -4.4 Ground Investigation4,4.1
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- 26 -Figure 19 shows the different
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- 28 -estimate of wall thickness fr
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- 30 -techniques and also to develo
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- 32 -TIST OF FIGURESFigureNo.PageN
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- 69 -APPENDIX ASITE CHARACTERISATI
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- 71 -A.I OBJECTIVETo assess the ca
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- 73 -to take a driven sample at th
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- 75 -A.8 PRELIMINARY THOUGHTS ON F
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- 77 -APPENDIX BGEOPHYSICS LITERATU
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- 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
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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: - 131 -Table C7- Contractor Profile
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
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- 192 -CONTENTSPageNo.CONTENTS 192E
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- 194 -signal to improve the signal
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- 196 -well with the GPR results an
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- 198 -TXST OF FIGURESFigureNo.Page
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GEOTECHNICAL ENGINEERING OFFICE PUB
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Report on the Shum Wan Road Landsli
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Report on the Rainstorm of August 1
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Conventional and CRS Rowe Cell Cons
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Report on the Ching Cheung Road Lan
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Geology of the Western New Territor
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Shan Pui: Superficial Geology (1:5
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GE ° PUbHCati ° nS (eXCept Sheet
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