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Ignoring borehole factors and hammer efficiency, estimate the saturated unit weight and friction angle of the soil at a depth of 5.5-6.5 ft for the borehole on the back side of this sheet. Density/Consistency Soil derisity consistency in borings is related primarily to the Standard Penetration Resistance Soil density consistency in test pits Is estimated based on visual observation and is presented parenthetically on the test pit logs Standard Density Standard SAND of GRAVEL Penetration SILT or CLAY Penetration Resistance (N) Consistency Resistance (N) Approximate Shear in Blows. Foot Strongth in TSF Very loose Very soft in Blows Fool 0-4 0-2 <0.125 Loose 4 - 10 Soft 2-4 0.125 - 0.25 Medium.danse 10-30 13 Medium stiff 0.25 - 0.5 Dense 30- 50 Stiff 8- 15 0.5 - 10 Very dense $50 Very stiff 15 -30 10. 20 Hard x3D $20 Relative Density, D,(%) Classification 0-15 Very loose 15-35 Loose 35-65 Medium dense" 65-85 Dense 85--100 Very dense 15 Dry Unit Weight. Ya (kN/m') 20 40 Relave Density 100fb Effective Friction Angle, ' (Dog) 75% GP 35 Soil Type SM ) And 2516 30 in this Range _. 25 I'd Yx 110 pet 80 110 120 150 Dry Unii Weight. y, Chai 12 1.1 10 09 ON 07 065 06 035 05 045 04 035 03 025 Void Ratio.

CLASSIFICATION OF BOX OF REMARKS MATERIALS % CORE SAMPLE Dellling time, water less, depth of weathering ELEVATION DEPTH LEGEND (Description) RECOVERY No. etc, if significant) Fill, Sand, silt, clay, brown, 17"/24" SS-1 N= 4.6.6,6 SS-1 moist, medium dense, trace 71% 0-2 4 Gravel= 229 gravel Sed= 60.1 2 96 Silt= $1.7 16 Clay = 53 Brick, moist 6724" SS-2 N= 4.4,5.4 USCS = SC-5M 25% 2.3-4.5 PH H,0= 8 2 PHILIM CC!= 75 $81.6 5.D SP. Sand, fine, black, wet, 17/24 SS-3 N-45.8.9 N - 136 580.6 6.0 medica dense, trace gravel 71% 5.0-7.0 Petroleum odor Trace product ITTT

Ignoring borehole factors and hammer efficiency, estimate the saturated unit weight and friction angle of the soil at a depth of 5.5 ft for the...
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