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IL® AIL NUm d5k <br />im 14 1 <br />DEFINITION OF TERMS <br />PRIMARY DIVISIONS <br />SYMBOLS <br />SECONDARY DIVISIONS <br />GRAVELS <br />CLEAN <br />a GW ? <br />WELL GRADED GRAVELS, GRAVEL -SAND MIXTURES <br />MORE THAN <br />GRAVELS <br />- ,S <br />LITTLE OR NO FINES <br />�• ; Gp .• • <br />:• : <br />POORLY GRADED GRAVELS OR GRAVEL SAND MIXTURES, <br />y Q <br />HALF OF <br />< 5% FINES <br />J =COARSE <br />LITTLE OF NO FINES <br />GM <br />SILTY GRAVELS, GRAVEL -SAND -SILT MIXTURES, <br />O O~ w <br />N N <br />FRACTION IS <br />L <br />0_j w U) <br />w Q O w <br />Z z � <br />LARGER THAN <br />NO. 4 SIEVE <br />GRAVELS <br />WITH FINES <br />NON -PLASTIC FINES <br />GC '. <br />CLAYEY GRAVELS, GRAVEL -SAND -CLAY MIXTURES, <br />Q g <br />--u, <br />PLASTIC FINES <br />SANDS <br />CLEAN <br />SW <br />WELL GRADED SANDS, GRAVELLY SANDS, LITTLE OR NO <br />(7 oo <br />J <br />LU W ¢ N <br />MORE THAN <br />SANDS <br />Y <br />SP <br />POORLY GRADED SANDS, GRAVELLY SANDS, LITTLE OR <br />N - <br />Q O w z <br />HALF OF <br />< 5% FINES <br />NO FINES <br />< <br />FRAOCT ON ISSANDS <br />SM <br />SILTY SANDS, SAND -SILT MIXTURES, NON -PLASTIC FINES <br />SMALLER THAN <br />NO. 4 SIEVE <br />NO. <br />WITH FINES <br />SC <br />SANDS, SAND -CLAY MIXTURES, PLASTIC FINES <br />Uj <br />M L <br />INORGANIC SILTS, VERY FINE SANDS, ROCK FLOUR, SILTY <br />(n U_ w N <br />SILTS AND CLAYS <br />OR CLAYEY FINE SANDS, SLIGHTLY PLASTIC CLAYEY SILTS <br />CL <br />INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY, <br />J O LL _j W <br />LIQUID LIMIT IS <br />Q 2 < w <br />LESS THAN 50 <br />GRAVELLY, SANDY, SILTS OR LEAN CLAYS <br />ORGANIC SILTS AND ORGANIC CLAYS OF LOW PLASTICITY <br />LU <br />OL <br />< Q oN <br />MH <br />INORGANIC SILTS, MICACEOUS OR DIATOMACEOUS FINE <br />0 w EE O <br />SILTS AND CLAYS <br />SANDY OR SILTY SOILS, ELASTIC SILTS <br />Cf l <br />INORGANIC CLAYS OF HIGH PLASTICITY, FAT CLAYS <br />z p H z <br />LIQUID LIMIT IS <br />M 2 g = <br />GREATER THAN 50 <br />O H <br />CLAYS OF MEDIUM TO HIGH PLASTICITY, <br />'fflORGANIC <br />ORGANIC SILTY CLAYS <br />HIGHLY ORGANIC SOILS <br />PT <br />PEAT AND OTHER HIGHLY ORGANIC SOILS <br />GRAIN SIZES <br />GRAVEL <br />I <br />SAND <br />BOULDERS <br />COBBLES <br />ICOARSE <br />SILTS AND CLAYS <br />I <br />FINE COARSE MED UM FINE <br />12" 3" 3/4" 4 <br />10 40 200 <br />CLEAR SQUARE SIEVE OPENING U.S. <br />STANDARD SIEVE SIZE <br />ADDITIONAL TESTS <br />(OTHER THAN TEST PIT AND BORING <br />LOG COLUMN HEADINGS) <br />MAX- Maximum Dry Density <br />PM- Permeability <br />PP- Pocket Penetrometer <br />GS- Grain Size Distribution <br />SG- Specific Gravity <br />WA- Wash Analysis <br />SE- Sand Equivalent <br />HA- Hydrometer Analysis DS- Direct Shear <br />EI- Expansion Index <br />AL- Atterberg Limits <br />UC- Unconfined Compression <br />CHM- Sulfate and Chloride <br />RV- R -Value <br />MD- Moisture/Density <br />Content , pH, Resistivity <br />CN- Consolidation <br />M- Moisture <br />COR - Corrosivity <br />CP- Collapse Potential SC- Swell Compression <br />SD- Sample Disturbed <br />HC- Hydrocollapse <br />OI- Organic Impurities <br />REM- Remolded <br />FlGURE:j BL 1 <br />