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anuumn Client: Asphalt Paving Company <br /> ENGINEERING Project No.: 18-3046 <br /> Ralston Quarry Slope Stability <br /> Gradation and Hydrometer (ASTM D422-63[2007]) <br /> US Standard Sieves Hydrometer <br /> 3" 2.5"2" 1.5" 1" 3/4"1/2"3 4 810 16 20 30 40 5060 100 140200 <br /> 100 ................... <br /> 90 <br /> 80 <br /> 70 <br /> 60 <br /> 50 <br /> 40 <br /> > _4 <br /> E <br /> 30 <br /> U <br /> 20 <br /> 10 <br /> T 117T T <br /> 0 <br /> 100 10 1 0.1 0.01 0.001 <br /> Particle Size(mm) <br /> Coarse Gradation Fine Gradation Hydrometer Grading <br /> US Standard Particle Size Passing by US Standard Particle Size Passing by Particle Size Passing by Coefficient Value <br /> Sieve (mm) Mass Sieve (mm) Mass (mm) Mass <br /> 6 in 150 No.4 4.75 93 0.029 57 D90 3.958 <br /> 5 in 125 No.8 2.36 - 0.019 54 D85 3.018 <br /> 4 in 100 No.10 2.00 77 0.011 49 D80 2.301 <br /> 3 in 75 No.16 1.18 76 0.008 45 D60 - <br /> 2.5 in 63 No.20 0.85 - 0.006 43 D50 <br /> 2 in 50 No.30 0.60 - 0.003 36 D40 <br /> 1.5 in 37.5 No.40 0.425 72 0.001 30 D30 <br /> 1 in 25.0 No.50 0.300 71 - - D15 <br /> 3/4 in 19.0 No.60 0.250 - D10 <br /> 1/2 in 12.5 - No.100 0.150 68 D05 <br /> 3/8 in 9.5 100 No.140 0.106 - Cu <br /> No.4 4.75 93 No.200 0.075 66.4 Cc - <br /> Location: BULK 1 Classification. s(CL)/A-7-6(16)Gravel 7 <br /> Description: Sandy CLAY Liquid Limit: so Sand(%): 27 <br /> Plasticity Index. 26 Silt/Clay(%): 66 <br /> Activity: 0.8 <.002 mm(%): 33 <br /> Results apply only to the specific items and locations referenced and at the time of testing.For the hydrometer portion of the test,a composite temperature correction and meniscus correction were applied to <br /> each reading.This report should not be reproduced,except in full,without the written permission of GROUND Engineering Consultants,Inc. <br /> www.groundeng.com Figure:13 <br /> Englewood,Commerce City,Loveland,Granby,Gypsum <br />