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Soil Sample: GRAVELLY, SILTY SAND (SM) Sample No. 111 (Typical) <br />Geologic Origin: Alluvial Sandstone b Siltstone Fragments Test dr LR8 <br />Natural Water Content (w): 4.2°h Boring No.: 1 Depth 14' <br />Soil Specific Gravity (Gs): In-Place Density (pcf): <br />COBBLE b GRAVEL ~ SAND ( SD-T b CLAY <br />100 <br />so <br />eo <br />70 <br />c ~ <br />m - <br />o_ ~ <br />c <br />m <br />o_ _ ._...__.. . <br />30 <br />zo <br />ro - -- <br />0 <br />175 75 50 37.5 ?5 t~ 125 95 4. <br />P"artide Grain <br />Sieves lmml % Passim <br />5" 125 <br />3" 75 <br />2' S0 <br />1-1/2" 37.5 100 <br />1" 25 81 <br />3/4" 18 76 <br />1!2" 12.5 71 <br />3/8" 9.5 65 <br /># 4 4.75 56 <br />#10 2 48 <br />#20 0.85 40 <br />#40 0.425 35 <br />#100 0.15 22 <br />#200 0.075 t4.9 <br /> 0.02 <br /> 0.005 <br />Effective s¢e <br />Ca <br />Cc <br />mm <br />__ _ _ Plastic Limn (PL) <br />Liquid Limit (LL) <br />_.._. ___.._ Plasticity Index (Pq <br />Shrinkage Lund (SL) <br />.. <br />Shrinkage Ratio <br />DIRECT SHEAR: CD <br />_ ___.._ ___._ __. ._. Ult. <br />Shear Angle: deg. <br />Tan Shear: <br />_...__ ..... .._ Cohesion: psf <br />MOISTUREIDEN3ITY RELATIONSHIP; <br />ASTM Method: <br />Max: Dry Density : pet <br />Optimum Moisture <br />HVEEM-CARMANY: <br />'R' Value ~ 300 psi: <br />Displacement 300 psi: <br />Expansion ~ 300 psi: <br />ALLOWABLE BEARING (net): <br />Standard Penetration(SPT): <br />Unconfined Compression (qu): <br />CONSOLO)ATION: ~ <br /> <br />SULFATE SALTS: ppm <br />PERMEABtt.lTY: <br />K (20 C) Remolded <br />%'~~'- <br />~~~- LINCOLN - DeVORE, Inc. <br />~= ~~~`~ Geotechnical Consultants <br />Grand Junction. Colorado <br />Res. <br />FHA Soit Swell: <br />% Swell <br />!~ <br />P~ <br />psf <br />psf <br />P~ _ <br />m/ ec ~p~c <br />Western Associated Coal Corp. I Date <br />5-22-97 <br />Job No. Drawn <br />86014-J EMl <br />