Salton Sea Preliminary In-Sea Geotechnical Investigation

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TablesTable 1Summary of In-Sea ExplorationsSalton Sea Restoration ProjectExplorationDesignationExplorationType aActual Location bLatitudeLongitudeCompletedExplorationDepth(feet)SeafloorElevation(feet, MSL)Bottom ofExploration(feet, MSL)1 CPT 33.35427 -115.77464 42 -257 -2992 Boring 33.35660 -115.77946 149 -258 -4073 CPT 33.33546 -115.80324 59 -269 -3284 Boring 33.30765 -115.79666 52 -268 -3205 Boring 33.31832 -115.82606 51 -268 -3196 Boring 33.33248 -115.85323 52 -269 -3217 Boring 33.30029 -115.85326 50 -259 -3098 CPT 33.30031 -115.85282 48 -259 -3079 CPT 33.28325 -115.88024 60 -237 -29710 CPT 33.16777 -115.79941 32 -238 -27011 Boring 33.17413 -115.79263 31 -243 -27412 CPT 33.18340 -115.78114 33 -253 -28613 CPT 33.18436 -115.63680 37 -239 -27614 Boring 33.20150 -115.66085 52 -250 -30215 CPT 33.22700 -115.69578 50 -268 -31816 CPT 33.30907 -115.62650 46 -233 -27917 Boring 33.30338 -115.64420 30 -244 -27418 CPT 33.29858 -115.65949 43 -253 -29619 Boring 33.40553 -115.91742 52 -275 -32720 Boring 33.49624 -116.02119 32 -254 -28621 CPT 33.34330 -115.92782 37 -260 -29722 CPT 33.40681 -115.83706 50 -263 -31323 CPT 33.42945 -116.03335 44 -251 -29524 Boring 33.42849 -116.01081 Eliminated due to weather delays25 CPT 33.44577 -115.86259 41 -249 -29026 Boring 33.33562 -115.79995 52 -267 -31927 CPT 33.34678 -115.78703 67 -266 -33228 CPT 33.32996 -115.81600 60 -269 -32929 CPT 33.30987 -115.83988 46 -267 -312Notes:a. CPT denotes Cone Penetration Test.b. The latitudes and longitudes are NAD 83.W:\27663042\00005-c-r.doc\1-Mar-04\SDG T-1
TablesTable 2Summary of Laboratory Tests PerformedSalton Sea Restoration ProjectTest TypeMoisture Content(ASTM D2216)Total and Dry Densities(ASTM D2937)Atterberg Limits(ASTM D-4318)Particle Size Analyses(ASTM D-422)Percent Passing #200Sieve (ASTM D-1140)Specific Gravity Tests(ASTM D-854)Pinhole DispersionAnalyses (ASTM D-4647)Unconsolidated UndrainedCompression (ASTM D-2850)Consolidated UndrainedTriaxial Compression(ASTM D-4767)Consolidation(ASTM D-2435)PurposeNumber of Tests AssignedTotal Program Mid-Sea a North Area b South Area cMaterial Properties` 155 109 17 29Material Properties 89 63 11 15Material Properties 41 30 3 8Material Properties 39 25 3 8Material Properties 21 13 1 7Material Properties 7 4 0 3Material Properties 7 4 0 3Strength(Undrained)33 21 5 7Strength (Drained) 6 6 0 0Compressibility 15 11 2 2Notes:a. Mid-Sea data from Borings 2, 4, 5, 6, 7, and 26.b. North Area data from Borings 19 and 20.c. South Area data from Borings 11, 14, and 17.W:\27663042\00005-c-r.doc\1-Mar-04\SDG T-2
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 46 and 47: TablesTable 3Summary of Material Pr
Page 48 and 49: TablesTable 4 (continued)Summary of
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 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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APPENDIXDStatic Slope Stability Ana
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Salton Sea Preliminary In-Sea Geotechnical Investigation

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