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Soil Sample: GRAVELLY, SILTY SANG (SM) Sample No. 0 (T~-picat) <br />Geologic Origin: Ailwial, Sandstone 3 8iltstone Fragments Test bY: LRS <br />• Natural Water ContsM (w): 4.674 Boring No.: 1 Depth 13' <br />Soil Specific Gravity (Gs): In-Place Derrsily (pct): 110.8 <br /> eoee leeoc wwe l s~-io sa rroc ur <br />goo <br />so Eff <br />We s¢ <br /> ec <br />e <br /> _ .... ........ .--- ---. ... . ....__ _ _ - -- - ..__._. _. _ _ --_ __~_ _ Co <br />Bo <br /> Cc <br />m <br /> <br />O1 _ .__.._. .. __. __-.._ .._ . .._., __.__.. ...._... _. _ .... ._.__.. _._._ _ Plasfic Limit (PL) <br />c <br />eo <br />i <br />N L <br />quid Limn (LL) <br />a <br />~ _. _ .... . _ _.. _..__... ._..__. .__._- .--- --...._ ._._. ._._ .___.... .....-- -..._._ .__._.__ .__.._ -- Ptasticily index (Pq <br />~ Shrinkage Limk (SL) <br />~ .. .__.. ..___... _....... _ ._._ ____ ___ __ ._. _ Shrinkage Ratio <br />~ <br />o_ _- _..._ .__... _._._ .__.._. ..__._. ......... __. __. ._ ....._._ _...__... ..._._. _._..- _ <br />30 <br /> DIRECT SHEAR: CD <br /> <br />20 Ult. <br /> _ _. _. .._ _... . _ .... ._.. __.. .__ _. .___.. _..._ _ <br />._. <br />..._. Shear Angle: deg. <br />~o Tan Shear: <br /> <br /> __. ___ .... _.._-_ ......_. .---. ._._. __~ _.__ __. Cohesion: psf <br />0 <br />~z s ~ s s o ar s z s t ~ +z s a s ~. <br />' is z o as aa zs o. rs o. ~ o. oz oo os <br /> P articl e Gr ain Size {mm } <br />S ieve f mm) % P assi no ~ MOI StU REID EN SITY RELATION3HIP~ <br />s- ~2s <br />3" 75 <br />2' S0 <br />1-12" 37.5 t00 <br />1" 25 99 <br />3/4" 18 98 <br />12" 12.5 92 <br />3/8" 9.5 91 <br /># 4 4.75 79 <br />#10 2 56 <br />tY20 0.85 40 <br />1740 0.425 33 <br />#100 0.15 18 <br />#200 0.075 10.9 <br /> 0.02 <br /> 0.005 <br />asTM•Metnod: <br />Max. Dry Density : pcf <br />Optimum Moisture <br />HVEEM-CARMANY: <br />'R' Value C~ 300 psi: <br />Displacement 300 psi: <br />Expansion @+ 300 psi: <br />ALLOWABLE BEARING (net): <br />Standard Penetration (SPA: <br />Unconfined Compression (qu): <br />CONSOLIDATION: ~ <br />SULFATE SALTS: <br />PERMEABILITY: <br />K (20 C) Remolded <br />so}~ aNa <br />LINCOLN - DeVORE, Inc. <br />--==--~~` Geotechnical Consultants <br />Grand Junction, Colorado <br />mm I <br />Res. <br />FHA Soil Swell: <br />% Swetl <br />I~ <br />psf <br />psf <br />~ __ <br />250 ppm <br />cm/sec <br />P~ <br />P~ <br />C~ ne <br />RSN POND 12 <br />Roadside North Portal, Cameo, Colorado <br />Western Associated Coal Corp. Date <br />5-22-97 <br />Job No. <br />Drawn <br />EMM <br />