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GEOTECH <br />Civil, Structural & Geotechnical En <br />222 South Park Ave. • Montrose, CO 81401 <br />Ph.: (970) 249 -6828 • FAX: (970) 249 -0945 <br />Sieve Analysis <br />ASTM D422 <br />Project Name Bowie No.2 Mine <br />Date <br />1217!2005 <br />Location BH05 -07 @10 -11.5' <br />Project # <br />05- 126 -GEO <br />Sample # GS4 <br />Sample by <br />BB <br />Soil Description black clayey GRAVEL with sand (GC) <br />Test by <br />SM <br />Initial mass of sample = 598.70 g <br />Test for <br />BB <br />Initial Moisture Content = 12.2 % <br />Drafting by <br />SM <br />16.0 <br />i <br />1 <br />1 <br />J <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 />90.2 <br />15.1 <br />15.1 <br />84.9 <br />112 <br />12.5 <br />5.8 <br />1.0 <br />16.0 <br />84.0 <br />4 <br />4.750 <br />62.5 <br />10.4 <br />26.5 <br />73.5 <br />10 <br />2.000 <br />coarse sand <br />38.3 <br />6.4 <br />32.9 <br />67.1 <br />med sand <br />40 <br />0.425 <br />42.2 <br />7.0 <br />39.9 <br />60.1 <br />a 50 <br />fine sand <br />40 <br />200 <br />0.075 <br />72.1 <br />12.0 <br />52.0 <br />48.0 <br />pan <br />N/A J <br />silt/clay <br />287.6 <br />48.0 <br />100.0 <br />0.0 <br />Sum of mass = 598.70 g <br />Loss during sieve analysis = 0.00 % (OK if <2 %) <br />J <br />J <br />J <br />100 <br />90 <br />80 <br />70 <br />V) <br />.y 60 <br />co <br />a 50 <br />40 <br />m <br />a 30 <br />20 <br />10 <br />0 <br />0.01 0.1 1 10 100 <br />Diameter of Particle (mm) <br />%Fines = 48.0% %Sand = 25.5% %Gravel = 26.5% <br />