PORT WORKS DESIGN MANUAL PART 3 Guide To - The University ...

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126dd'D ree 0e maxe minFHI pK aLength of longest drainage pathDrain diameter of a vertical drainRelative densityVoid ratioInitial void ratioVoid ratio of the soil in loosest conditionVoid ratio of the soil in densest conditionFactor of safetyLayer or fill thicknessPlasticity indexCoefficient of active pressure/ Length of vertical slices along the selected surface in slip surface analysisL enTRRsS cS c ,t(residwi)S pS pttSp,t(resid U ai)Sresidua^S sLength from the toe to the crest of embankmentspacing ratio of a vertical drains systemMoment arm for ^in slip surface analysisRecompression ratioSettlementSettlement of fill due to creepResidual settlement of fill due to creep at time tUltimate primary consolidation settlementPrimary consolidation settlement achieved at time tResidual settlement of a sub-soil layer due to primary consolidation attime/Residual settlement of a reclamation due to the sub-soil and fill at time tSettlement due to secondary consolidation
127Residual settlement of a soil layer due to secondary consolidation after agiven time /tt 0tjt cT hT vuU fU hTime from the instantaneous application of a total stress incrementStart of the time for secondary-consolidation calculationsTime at which secondary consolidation beginsTime for completing fill placement or the construction periodTime factor (horizontal drainage)Time factor (vertical drainage)Excess pore water pressureEffective degree of consolidation due to vertical and horizontal drainageDegree of consolidation (horizontal drainage)U t Degree of consolidation at time /U vWxDegree of consolidation (vertical drainage)Weight of vertical slices in slip surface analysisMoment arm for Win slip surface analysis
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PORT WORKS DESIGN MANUALPART 3Guide
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FOREWORDThe Port Works Design Manua
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CONTENTSTITLE PAGE - !FOREWORD 3CON
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PageNo.5.3.3 Verification of Settle
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101.2 Definition, Symbols and Refer
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12the investigations may need to co
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14consequences of adopting a partic
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16(3) Installation of vertical drai
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18The remaining layer of marine or
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20• The rate of supply of public
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22the shortage of public filling ca
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24Considerations when planning the
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262.10 Environmental ImpactsAll rec
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293.3.1 GeneralThe reclamation sequ
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31requires checking of the equilibr
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33(2) Detailed Stability AnalysisTh
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3.4 WorksIf, despite all the precau
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374.4.1 GeneralThis chapter discuss
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3943.2 due toThe ultimate primary c
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41where S pt(residml) = Residual se
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Design of surcharge preloading gene
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45H = Fill thickness.a = Logarithmi
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47The calculation of residual settl
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50For monitoring of pore pressure d
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525.3.2 of FillThis section discuss
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54the availability of frequent moni
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56reduce settlement problems. Howev
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59REFERENCESAsaoka, A (1978). Obser
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61FIGURES
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65(1) Geotextile-\I,- i i i i i , ,
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67Figure 5 - Method of Calculation
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69timet + 120Piezometer installed a
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71Slope >1Required pause in fill pl
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73APPENDIX APREFABRICATED BAND DRAI
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Page 84 and 85: 82t = Time from load application.c
Page 86 and 87: 84Hansbo, S. (1981).Consolidation o
Page 89 and 90: 87CONTENTSTITLE PAGE 85CONTENTS 87C
Page 91 and 92: 89C OF BY ASAOKA'S METHODC.IGeneral
Page 93: 91OFFigureNo.PageNo.C1 Asaoka's Gra
Page 96 and 97: 94SiFinal settlementPlacement of. a
Page 99: 97CONTENTSTITLE PAGE 95CONTENTS 97D
Page 102 and 103: 1000.3(8.9)(3 2 )(1. 2) - 2.8836L e
Page 104 and 105: 102Vertical drains dataTypeSpacingP
Page 106 and 107: 104The final primary consolidation
Page 108 and 109: 106The initial effective stress at
Page 110 and 111: 108Table D2.6m0123M0.5711.5712.5713
Page 112 and 113: 110Effective stress increment at en
Page 114 and 115: 112(3) Settlement due to secondary
Page 116 and 117: 114The value ofF(n) in Example D.2
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Page 120 and 121: 118CD~5COCOCDCLCD20 -14.9Required p
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Page 124 and 125: 122state value.Mud wave. Excessive
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Page 132: X1S1SD112HK 627.5 P83Port works des
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