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<br />I <br /> GENERAL TERMINOLOGY NOTES FOR <br /> SOIL IDENTIFICATION AND DESCRIPTION <br /> GRAIN SIZE GRAVEL PERCENTAGES <br />I Term ASTM Term Percent <br />I Boulders Over 12" A Lime Gravel 3%-15% <br /> Cobbles 3" to 12" With Gravel 15%-30% <br /> Gravel #4 sieve to 3" Gravelly 30%-50% <br />I Sand #200 to #4 sieve <br /> Fines (silt & clay) Pass #200 sieve <br /> CONSISTENCY OF PLASTIC SOILS RELATIVE DENSTIY OF NON-PLASTIC SOILS <br />I Term N-Value. BPF Term N-Value. BPF <br /> Very Soft less than 2 Very Loose 0-4 <br />I Soft 2-4 Loose 5-10 <br /> Medium 5-8 Medium Dense 11-30 <br /> Stiff 9-15 Dense 31-50 <br />I Very Stiff 16-30 Very Dense Grearer than 50 <br /> Hard Greater than 30 <br /> MOISTUREfFROST CONDITION LAYERING NOTES <br />II (MC Column) <br /> r ,minorions: Layers less than 1'1" thick of differing <br /> D (Dry): Absence of moisture, dusty. dry to malerial or color <br />I touch. <br /> M (Moist): Damp, although free water not visible. Lenses: Pockets or layers grearer than 1'1" thick <br /> Soil may still have a high water content of differing material or color <br />I (over "optimum"). <br /> W (Wet! <br /> Waterbearing) : Free water visible. Imended to describe <br /> non-plastic soils. <br />I F (Frozen): Soil frozen. <br /> FIBER CONTENT OF PEAT ORGAi'ITC DESCRIYITON <br />I Term Fiber Content (Visual Estimate) Non-peat soils are described as organic, if soil is judged <br /> to have sufficient organic content to influence the soil <br />I Fibric: Greater than 67 % properties. <br /> Hemic: 33..{j7% <br /> Sapric: Less than 33 % <br />I <br />I <br />t' OICLSOll(4/96) Ai\1.ERlCAN fu'lGINEERlNG TESTING, INC. <br />I <br />