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UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br /> MAJOR DIVISIONS TYPICAL NAMES <br />• G W .i'' �:r WELL GRADED GRAVELS WITH OR <br /> WITHOUT SAND,LITTLE OR NO FNES <br /> GRAVELS CLEAN GRAVELS WITH ;•: <br /> c LTITLE OR NO F21ES <br /> G P •::�;'' POORLY GRADED GRAVELS WITH OR <br /> n + MORE THAN .. WITHOUT SAND,LITTLE OR YO FINES <br />_ HALT COARSE <br /> FRACTION IS <br /> L kRGER.THANT G rt SILTY GRAVELS,SILTY GRAVELS <br /> ii U w No.3SMvF- WITH SAND <br /> > SIS GRAVELS WITH OVER <br />- m 12%FINES <br /> G C CLAYEY GRAVELS,CLAYEY <br /> yam, ti GRAVELS WITH SAND <br /> < S W •� WELL GRADED SA- <br /> 0 <br /> WITH OR'NIT'cI- <br /> _ • • OUT GRAVEL.LITTLE- ORNO FINES <br /> CLEAN SANDSWLMI <br /> w z LITTLE OR YO FINES <br />< < z POORLY GRADED SA.YDS WITH OR <br /> SANDSS P • • • WITHOUT GRAVEL,LITIL.E OR NO FINES <br /> C < �LCRE THAN <br /> KAU COARSE S Vt • • SILTY SANDS WITH OR <br /> t cZtAC'ICN S . • WITHOU-I GRAVEL <br /> o S AALLZ- SANDS WITH OVER • • <br /> • THAN No.1 12%FINES 1 • • <br /> SIEVE SIL S C ♦ ♦ ♦ CLAYEY SAWS WITH OR <br /> I <br /> WITHOUT GRAVEL <br /> I ♦ • R <br /> IL <br />!. K L INORGANIC SILTS A.`ID VERY FINE SA.YDS, <br />`! y ROCK FLOUR.SILTS WITH SANDS AND <br /> z SILTS and CLAYS GRAVELS <br /> ' -' C L INORGANIC CLAYS OF LOW TO MEDIUM <br /> � x > <br /> LIQUID L-titlT 50%OR LESS PLASTICITY,CLAYS WITri SANDS V"M <br /> RAVE . v CLAYS <br /> ORGANIC SILTS OR CL-kYS OF <br /> O L 1 1 1 <br /> LOW PLASTICITY <br /> (V 1 0 <br /> - < M g INORGANIC SILTS,'vQCACEOUS OR DIA- <br /> = TOMACIOUS,FINE SANDY OR SIL i:SOILS. <br /> z z <br /> SILTS and CLAYS C S 's <br /> C. < C g L`IORGAMC CLAYS OF HIGH PLASTICITY. <br /> 7. <br /> LIQUID L.LMIT GREATER THANE 50% FAT CLAYS <br /> _ O H / <br /> ORGANIC SILTS OR CLAYS OF MEDIUM, <br /> w / TO HIGH PLASTICITY <br /> o / / <br /> :: <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> !!! SOILS <br /> f <br /> 'W"F ne <br />