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_j <br />a <br />_3 <br />J <br />• • GEOTECH ]I <br />Sieve Opening <br />(mm) <br />Particle <br />Size <br />Civil, Structural 8 Geotechnical Engineers <br />% Weight <br />Retained <br />Cumulative % <br />Retained <br />% Passing <br />222 South Park Ave. • Montrose, CO 81401 <br />19 <br />gravel <br />Ph: (970) 249 -6828 • FAX: (970) 249 -0945 <br />0.0 <br />Sieve Analysis <br />100.0 <br />1/2 <br />ASTM D422 <br />4.6 <br />Project Name Bowie No.2 Mine <br />1.5 <br />Date 12/7/2005 <br />Location BH05-07 @20 -21.5' <br />4.750 <br />Project # 05- 126 -GEO <br />Sample # GS5 <br />7.8 <br />Sample by BB <br />Soil Description black sandy lean CLAY (CL) <br />2.000 <br />Test by SM <br />Initial mass of sample = 305.50 <br />g <br />Test for BB <br />Initial Moisture Content = 10.1 <br />% <br />Drafting by SM <br />Sieve # <br />Sieve Opening <br />(mm) <br />Particle <br />Size <br />Soil Mass <br />(g) <br />% Weight <br />Retained <br />Cumulative % <br />Retained <br />% Passing <br />3/4 <br />19 <br />gravel <br />0 <br />0.0 <br />0.0 <br />100.0 <br />1/2 <br />12.5 <br />4.6 <br />1.5 <br />1.5 <br />98.5 <br />4 <br />4.750 <br />19.1 <br />6.3 <br />7.8 <br />92.2 <br />10 <br />2.000 <br />coarse sand <br />24.9 <br />8.2 <br />15.9 <br />84.1 <br />med sand <br />.N 60 <br />40 <br />0.425 <br />28.9 <br />9.5 <br />25.4 <br />74.6 <br />. <br />fine sand <br />50 <br />_ <br />c <br />200 <br />1 0.075 <br />63.8 <br />20.9 <br />46.3 <br />53.7 <br />pan <br />N/A <br />slit/clay <br />164.2 <br />53.7 <br />100.0 <br />0.0 <br />Sum of mass = 305.50 g <br />Loss during sieve analysis = 0.00 % (OK If <2 %) <br />100 rnoo aao '° <br />tT <br />80 <br />- -'- <br />70 - <br />.N 60 <br />R <br />. <br />50 <br />_ <br />c <br />_ <br />L 40 <br />0' 30 <br />- <br />20 <br />--. <br />10 <br />- - <br />0 <br />0.01 0.1 1 10 100 <br />Diameter of Particle (mm) <br />J <br />1 %Fines = 53.7% %Sand = 38.5% %Gravel = 7.8% <br />J <br />