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I <br />Soil Sample: Poorly Graded SILTY SAND, w/GRAVEL (SP~SM) Sample No.: 1 (Typical) 1 <br />Geolog ic Origin: BACKFILL STOCKPILE, Old Loadout Facility Test by: DA, DRS, LRS <br /> Natural Water Content (w): Boring No.: Depth: <br /> In-Place Dens' Soil S ecific Grav' Gs : Estimated <br /> COBBLE to GRAVEL SAND SILThCLAY <br />100 <br /> Effective size 0.004 mm <br />so Cu 62.5 <br /> Cc 4.2 <br />_ <br />3a <br /> Plastic Limit (PL) NN^P. <br />7s <br />Liquid Limit (LL) N`V. <br />~ so Plasticity Index (PI) N_P. <br />y Skempton's Activity 00^0 <br />a 5o Shrinkage Umit (SL) <br /> Shrinkage Ratio <br />y 40 <br />U <br />al <br />o. 3s <br />zo DIRECT SHEAR: CD <br /> Peak Res. <br />10 Shear Angle: deg. <br /> _. <br />Tan Shear. <br />0 <br />1T5 75 <br />50 37.5 25 ~i 12.5 9.5 4. 2 0.85 0.425 0.15 O.Q~ 0.02 0.005 Cohesion: psf <br />Particle Grain Size {mm} <br /> Sieve (mm) % Passing MOISTURE /DENSITY RELATIONSHIP: <br /> 5" 125 ASTM Method: D-1557 C D 4718 -10% Rock Correctio <br /> 3" 75 100 Max. Dry Density : 123.5 . pcf 127.3 pcf <br /> 2" 50 89 Optimum Moisture : 9.7% 8.8% <br /> 1-1/2" 37.5 97 Maximum HVEEM-CARMANY: FHA Soil Swell: <br /> 1" 25 96 Size Allowed 'R' Value @ 300 psi: Swell <br /> 3/4" 19 95 By Samoler Displacement 300 psi: psf <br /> 1/2" 12.5 94 6" Expansion @ 300 psi: sf Remolded Sample <br /> 3/8". 9.5 92 ALLOWABLE BEARING (net): psf by Consolidometer <br /> # 4 4.75 89 Some Larne Standard Penetration (SPT): psf by Penetrometer <br /> #10 2 87 Cobbles & Unconfined Compression (qu): psf <br /> #20 0.85 86 Smaller COLLAPSE @ Wetting: @ psf <br /> #40 0.425 82 Boulders CONSOLIDATION: @ psf <br /> #100 0.15 55 Were Not CONSOLIDATION: @ psf <br /> #200 0.075 39.9 Sampled . SULFATE SALTS: ppm <br /> 0.02 18 PERMEABILITY: <br /> 0.005 12 K (20 C): Remolded ctn/sec (CD DCf <br /> SOIL ANALYSIS and SUMMARY- <br /> FINAL FILLS, SOUTH PORTAL AREA <br /> ROADSIDE MINE CAMEO COLORADO <br /> GRAND JUNCTION J.E. STOVER & ASSOCIATES Date <br /> LINCOLN - DeVORE, InC. Grand Junction, Colorado I-26-2007 <br /> Geotechnical Consultants Job No. Drawn <br /> Grand Junction, Colorado 92737-GJ EMM <br />PR-3 <br />A14-8-11 <br />(New 01 /07) <br />