Salton Sea Preliminary In-Sea Geotechnical Investigation

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TablesTable 4 (continued)Summary of Unconsolidated Undrained Triaxial Test DataSalton Sea Restoration ProjectExplorationNumberSampleNumberSampleDepth(ft)Unified SoilClassificationStrataWaterContent(%)LiquidLimit(%)PlasticityIndex(%)DryDensity(pcf)TriaxialConfiningPressures(psf)PeakDeviatorStressat Failure(psf)AxialStrainatFailure(%)UndrainedShearStrength,Cu(psf)B-2 4 14.8 CHB-2 7 28.7 CHB-4 11 51.5 CHB-5 10 46.0 CHB-6 10 46.0 CHB-11 7 25.8 CHB-14 4 16.6 CHB-17 3 10.0 CHB-17 5 20.0 CHB-17 7 29.9 CHB-19 8 36.2 CHUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDepositUpper Stiff LacustrineDeposit29 ― ― 95 750 4,700 10.5 2,35029 ― ― 98 1,300 2,000 13.8 1,00052 79 54 71 2,500 900 16.3 45040 ― ― 84 4,500 380 21.0 19026 ― ― 98 2,000 3,400 15.5 1,70050 ― ― 72 1,200 1,400 8.0 70035 ― ― 83 750 600 15.1 30035 66 40 87 500 2,100 10.5 1,05032 62 38 89 1,000 3,300 7.8 1,65029 75 51 96 1,500 5,100 3.9 2,55038 ― ― 85 1,500 1,800 20.0 900W:\27663042\00005-c-r.doc\1-Mar-04\SDG T-5
Table 4 (continued)Summary of Unconsolidated Undrained Triaxial Test DataSalton Sea Restoration ProjectTablesExplorationNumberSampleNumberSampleDepth(ft)Unified SoilClassificationB-19 10 45.8 CHB-20 5 21.0 CHB-26 11 50.8 CHB-2 14 68.8 SMB-2 18 88.5 CHB-2 24 118.7 CHB-2 26 128.7 CLB-2 29 148.7 CHB-7 4 15.0 SCB-7 6 25.6 SMB-7 7 30.2 CHStrataUpper StiffLacustrine DepositUpper StiffLacustrine DepositUpper StiffLacustrine DepositLower StiffLacustrine DepositLower StiffLacustrine DepositLower StiffLacustrine DepositLower StiffLacustrine DepositLower StiffLacustrine DepositUpper AlluvialDepositUpper AlluvialDepositUpper AlluvialDepositWaterContent(%)LiquidLimit(%)PlasticityIndex(%)DryDensity(pcf)TriaxialConfiningPressures(psf)PeakDeviatorStressatFailure(psf)AxialStrainatFailure(%)UndrainedShearStrength, Cu(psf)43 ― ― 78 2,000 1,400 18.0 70034 ― ― 88 1,000 1,200 21.0 60035 ― ― 85 2,500 3,400 10.0 1,70028 ― ― 95 3,000 4,200 9.6 2,10031 63 40 92 4,000 3,800 9.0 1,90032 66 41 91 5,500 8,600 4.9 4,30026 44 23 98 6,000 7,700 7.7 3,85031 62 39 92 7,000 7,900 7.8 3,95024 ― ― 102 750 1,800 19.5 90023 ― ― 104 1,500 10,300 6.8 5,15024 ― ― 100 2,000 3,900 17.5 1,950W:\27663042\00005-c-r.doc\1-Mar-04\SDG T-6
Page 1: R E P O R TPreliminary In-Sea Geote
Page 4 and 5: TABLE OF CONTENTSSection 5 Prelimin
Page 6 and 7: List of Acronyms and AbbreviationsA
Page 8 and 9: Executive Summarysusceptible to sei
Page 10 and 11: SECTIONONEIntroductionvarious resto
Page 12 and 13: SECTIONTWOPreliminary Geotechnical
Page 14 and 15: SECTIONTWOPreliminary Geotechnical
Page 16 and 17: SECTIONTHREESite ConditionsThe Salt
Page 18 and 19: SECTIONTHREESite Conditions3.4 SUBB
Page 20 and 21: SECTIONTHREESite ConditionsVery lit
Page 22 and 23: SECTIONFOURPotential Geologic And S
Page 24 and 25: SECTIONFIVEPreliminary Engineering
Page 32 and 33: SECTIONSIXPreliminary Embankment De
Page 34 and 35: SECTIONSIXPreliminary Embankment De
Page 36 and 37: SECTIONSEVENFurther StudiesSECTION
Page 38 and 39: SECTIONSEVENFurther Studiesparamete
Page 40 and 41: SECTIONNINEReferencesSECTION 9REFER
Page 42 and 43: SECTIONNINEReferencesRoberston, P.K
Page 44 and 45: TablesTable 1Summary of In-Sea Expl
Page 46 and 47: TablesTable 3Summary of Material Pr
Page 50 and 51: TablesTable 5Summary of Consolidate
Page 52 and 53: TablesTable 7Recent Large Earthquak
Page 54 and 55: TablesTable 9Results of Preliminary
Page 56 and 57: TablesTable 10Results of Prelimary
Page 58: FiguresW:\27663042\00005-c-r.doc\1-
Page 62 and 63: Standard penetration samplePunch Co
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Page 83 and 84: APPENDIXAIn-Sea BoringsW:\27663042\
Page 85 and 86: APPENDIXAIn-Sea BoringsPortions of
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APPENDIXBIn-Sea Cone Penetration Te
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APPENDIXCLaboratory TestingW:\27663
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APPENDIXCLaboratory TestingTable C-
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APPENDIXCLaboratory TestingTable C-
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SAMPLE PHOTOGRAPHSSOFT LACUSTRINE D
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SAMPLE PHOTOGRAPHSUPPER STIFF LACUS
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SAMPLE PHOTOGRAPHSLOWER STIFF LACUS
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0Water Content (percent of dry weig
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Water Content (percent of dry weigh
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APPENDIXDStatic Slope Stability Ana
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Salton Sea Preliminary In-Sea Geotechnical Investigation

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