Geotechnical and Materials Engineering Standards for Bridge ...

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STRUCTURAL DLSCONTINUXTY DESCRIPTION - A discontinuity is a general term for any mechanical discontinuity in a rack mars having zero or low tensile strength. It is the collective term for moss types of joints, bedding planes, schfstosity planes, shear zones, cleavage and faults . Discontinuities can be described according to the following parameters: Orientation - dip from long axis of the core Form - overall shape of the discontinuity which may be planar, undulating, stepped or ixregular. This parameter may be dtfficult to determine from a piece of core. Roughness - surface roughness of the discontinuity which can be polished, smooth, rough or slickensided. Infilling - material that separates the rock walls of the discontinuity is usually weaker than the intact rock. Typical infilling materials are clay gouge, breccia, calcite and quartz A graphic structural log can be produced as part of the structural description. Appropriate abbreviations and symbols are noted below. 4-. Roughness - Polished Smooth Rough Slickensided Inf illing Form - Clay Gouge CE Calcite Ca Quartz Qz Rust Stained Rt Breccia Bs - Planar Undulating Stepped Irregular Discontinuity - Fault (zone) fdz) Joint J Shear (zone) s(z) . Bedding B Cleavage C Ye In Y
ROCK S WOL - A symbolic log showing rock type C can be prepared. Suggested symbols ere listed below Suitable tetraset shading numbers are fncludeh. Limestone LT 243 Sands tone LT 912 Greywaeke LT 164 Siltstone LT 153 Shale LT 122 Breccia LT 970 Pyroclastic LT 356 Coarse Grained Igneous LT 959 Medium Grained Igneous LT 131
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Province of British Columbia Minist
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TABLE: OF CONTENTS SECTION 1 - GEOT
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SECTION 1 Report Outline
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SECTION 2 Summary Log
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2.4 .... SAMPLE TYPE - A - Auger -
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2.12... OTHER. TESTS M - Mechanical
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FOR EDITING BLOCKS - set vax - ATTD
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PLOT : B - BOUNDARY - defines defin
Page 17 and 18: A - Aupr U - Unconfined Compression
Page 19 and 20: Mderiols Branch 90-2 Project W E R
Page 21 and 22: SECTION 3 - SIJmARY LOG DRAWING SHE
Page 23 and 24: I[ Province I SCALE NOTE 13 Provinc
Page 25 and 26: 3.4... . REPRODUCTION AND STORAGE R
Page 27 and 28: 6 Dniw reporb m). dense CWKL riih U
Page 29 and 30: SECTION 4 - FOTTNDATION INVESTIGATI
Page 31 and 32: 4.8 .... FOUNDATION INVESTIGATION A
Page 33 and 34: BLOCKS: To prepare a test hole log
Page 35 and 36: W z 1 o+oo 10+20 A PROFILE PLAN MCA
Page 38 and 39: SECTION 5 Bridge Branch Site Plan
Page 41 and 42: SECTION 6 Geotechnical Personnel
Page 43 and 44: 6.1 .... DMFTIHG SERVICES Klas GAD
Page 45 and 46: APPENDIX A Legend and Definition of
Page 47 and 48: APPENDIX A - DEFINITIONS FOR AGGREG
Page 49 and 50: TABLE 3.1 COMPACTNESS CONDITION OF
Page 51 and 52: TABLE 3.4 CLASSIFICATION OF ROCK WI
Page 53 and 54: APPENDIX C Draft Summary Log
Page 55 and 56: ft. - m 26 - 7.9 27 - 8.2 28 - 8.5
Page 57 and 58: FILE NAMING (AutoCAD) Files are ide
Page 59 and 60: APPENDIX E - ROCK CORE LOG Rock Cor
Page 61 and 62: Hinfstry of Transportation and High
Page 63 and 64: CORE RECOVERY - During the drklling
Page 65 and 66: If the core is broken by handling o
Page 67: WEATHERING - These ore two main res
Page 71 and 72: crystalline and non-crystalline par
Page 74 and 75: APPENDIX F Cone Holes
Page 76 and 77: flFnlstry nf Transpartatton CONE PE
Page 78 and 79: Ulnlstry af Transportation CONE PEN
Page 80 and 81: EXAMPLE #I
Page 82 and 83: UNOING DRTR IN FILE 5 12/08/90 12:4
Page 84 and 85: APPENDIX G Becker Hammer
Page 86: I I RECORD OF BO Iscation {See figu
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