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UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br /> MAJOR DIVISIONS TYPICAL NAVIES <br /> G W _ ~•r. WELL GRADED GRAVELS WITH OR <br /> WITHOUT SAND,LITTLE OR NO FINES <br /> GRAVELS CLEAN GRAVELS WITH <br /> d I1T'TI.E OR NO FWES <br /> f <br />' m G P =:• •• POORLY GRADED GRAVELS WITH OR rpt MORE T6TAN `' .y WITHOUT SAND,LITTI L OR NO FINES <br /> .] d HALF COARSE <br /> �. a FRACTION IS <br /> O o LAxnERTHAN G M SILTY GRAVELS,SILTY GRAVELS <br /> rq v m No 4SISVE WITH SAND <br /> SIZE GRAVELS WITH OVER <br /> q w m 12%FINES <br /> .. G C CLAYEY GRAVELS,CLAYEY <br /> z �, GRAVELS WITH SAND <br /> p� < • S W •0 0• WELL GRADED SANDS WITH OR WITH- <br /> 0 r • • • OUT GRAVEL,LITTLE ORNO FINFS <br /> CLEAN SANDS WITH • • <br /> LITTLE OR NO FINES <br /> SANDS * • <br /> POORLY GRADED SANDS WITH OR <br /> a x x S P ;•• • WITHOUT GRAVEL,LITTLE OR NO FINES <br /> d F z0 < MORE THAN <br /> f • • <br /> U m w HALF COARSE 3 M • • • s SILTY SANDS WITH OR <br />' d F FRACTIONIS • • WITHOUT GRAVEL <br /> o SMALLER SANDS WITH OVER • • <br /> N THAN No 4 12%FINES1 ! • <br /> SIEVE SIZE S C • • • CLAYEY SANDS WITH OR <br /> WITHOUT GRAVEL <br /> d M L INORGANIC SILTS AND VERY FINE SANDS, <br /> m ROCK n.OUR,SILTS WITH SANDS AND <br /> y <br /> SILTS and CLAYS <br /> 00 <br /> INORGANIC CLAYS OF LOW TO MEDIUM <br /> w m LIQUID LIMIT 50%OR LESS C L PLASTICITY,CLAYS WITH SANDS AND <br /> GRAVELS.LEAN gLAXS <br /> O to <br /> p L ` 1 OFGANTC SILTS OR CLAYS OF q w e 1 1 1 1 LAW PLASTICITY <br /> � � o <br /> w M H INORGANIC SILTS,MICACEOUS OR DIA <br /> t TOMACIOUS,FINE SANDY OR SILTY SOILS, <br /> a z z SILTS and CLAYS O SILM <br /> � z C g INORGANIC CLAYS OF HIGH PLASTICITY, <br /> LIQUID LIMIT GREATER THAN 50°/n FAT CLAYS <br /> z x <br /> i <br /> ca F O H /.0 / ORGANIC SILTS OR CLAYS OF MEDIUM <br /> o TO HIGH PLAS'T'ICITY <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> SOILS <br /> 1 <br />