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Soil Sample: GRAVELLY, CLAYEY SILT (ML) Sample No. N (T~pical) <br />Geologic Origin: Alluvial Test by: LRS <br />• Natural Water Content (w): 6.OY. Boring No,: 2 Depth 8• <br />Soil Specific Gravity (Gs): In-Place Density (pct): 124.5 <br />COBBLE to GRAVEL I SAFID I SitT b CLAY <br />100 <br />so <br />Ba <br />70 <br />w <br />c ~ <br />.N <br />tll <br />m <br />a ~ <br />c <br />d <br />40 <br />m <br />a <br />30 <br />20 <br />ro <br />0 <br />125 75 50 37S 25 ~~~ ~2S 9S ~ <br />Fartide Grain <br />Sieve tmm) % Passing <br />5" 125 <br />3" 75 <br />T 50 <br />1-1/2" 37.5 100 <br />1" 25 94 <br />3/4` 19 92 <br />1 /2" 12.5 87 <br />3/8" 9.5 85 <br /># 4 4.75 81 <br />#10 2 77 <br />#20 0.85 74 <br />#40 0.425 72 <br />#100 0.15 83 <br />#200 0.075 51.1 <br /> 0.02 <br /> 0.005 <br />Effective size <br />Cn <br />Cc <br />Plastic Limit (PL) <br />Liquid Limit (LL) <br />Plastiaty Index (PI) <br />Shrinkage Limit (SL) <br />Shrinkage Ratio <br />DIRECT SHEAR: CD <br />Ult. <br />Shear Angle: deg. <br />Tan Shear: <br />Cohesion: psf <br />MOl3tUREIDENSITY RELATIONSHIP: <br />ASTMMethod: <br />Max. Dry Density : pcf <br />Optimum Moisture <br />HVEEM-CARMANY: <br />'R' Value f~ 300 psi: <br />Displacement 300 psi: <br />Expansion ~ 300 psi: <br />ALLOWABLE BEARING (net): <br />Standard Penetration (SPT): <br />Unconfined Compressicn (qu): <br />CONSOLIDATION: ~ <br />SULFATE SALTS: <br />PERMEABILITY: <br />K (20 C) Remolded <br />SOIL ANA <br />..:: <br />LINCOLN - DeVORE, Inc. <br />-.=~~'`' Geotechntcal Consultants <br />Grand Junction. Colorado <br />PPm <br />mm <br />Res. <br />FHA Soil Swell: <br />% Swell <br />P~ <br />psf <br />P~ <br />P~ <br />P~ <br />cm/sec ~ ocf <br />YSIS and SUMMARY <br />RSN POND l2 <br />Western Associated Coal Corp. I Date I <br />fI 5-22-97 <br />Job No. Drawn <br />