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<br /> I <br /> ~ <br /> : l~i~~"I'i~1rm~_t~l'~;;:&~:!J!:]1 <br /> Grain Siu Gravel Percental!es <br /> I Term ASTM AASHTO Term Percent <br /> Boulders Over 12" Over 3" A Little Gravel 3%-15% <br /> I Cobbles 3" 10 12" - With Gravel 15 %-30% <br /> Gravel #4 sieve to 3" #10 sieve to 3" Gravelly 30%-50% <br /> - Sahd #200 to #4 sieve #200 to #10 sieve . <br /> I Fines (silt Pass #200 sieve Pass #200 sieve <br /> & clay) <br /> LaveriDl! Notes Color Notes <br /> I Laminations - Differing material or color layers less than Mottled - Presence of spots or streaks of <br /> 1/2" thick one or more colors in a soil mass <br /> I of another predominant color. <br /> Stratifications - Differing material or color layers greater <br /> than 1/2" thick Marbled - Presence of two or more distinct <br /> colors in approximately equal <br /> II Lenses - Small pockets/inclusions of differing amounts, but not blended. <br /> material <br /> I Consistencv of Clavs and Silts Relative Densitv of Coarse Grained Soils <br /> Term N-Value. BPF Term N-Value. BPF <br /> I Very Soft 0-4 Very Loose 0-4 <br /> Soft 5-8 Loose 5-10 <br /> Firm 9-15 Medium Dense 11-30 <br /> I Hard 16-30 Dense 31-50 <br /> Very Hard Greater than 30 Very Dense Greater than 50 <br /> I Fiber Content of Peat (ASTM D44271 Orl!'anic Descrintion (ASTM D24881 <br /> Term Fiber Content (Visual Estimate) Non-peat soils are described as organic, if soil <br /> is judged to have sufficient organic content to <br /> I Fibric Greater than 67 % influence the soil properties. <br /> Hemic 33-67 % <br /> i Sapric Less than 33 9li <br /> . I <br /> I -..-......,. ..---..."..---,'------.--"--'.'",'-..-.,...,-,' - -,,-,-.,-- . ..... .,'-'-- ' <br /> . .......AMERtCANEN(;:[N~;~..uNGrl:S'I1NG;iNci. <br /> I <br /> ,. <br /> I <br /> - <br />