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r <br /> UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br /> MAJOR DIVISIONS TYPICAL NAMES <br /> G W ••�. . WELL GRADED GRAVELS WITTIOR <br /> WITHOUTSAND, <br /> GRAVELS CLEAN GRAVELS WITH ; LITTLE OR NO FLv'cS <br /> x LrrrLE OR NO FINES <br /> G P POORLY GRADED GRAVELS WITH OR <br /> x <br /> HALF CpggsgMORE TH" ••` 4.i WITHOUT[0[FI'SAND,LITTLE O R;YO FIVES <br /> < FRACTION IS <br /> LARCERTHAN G X SILTY GRAVELS,SILTY GRAVELS <br /> Q w Na a SIEVE WITH SAND <br /> ? SIM GRAVELS WITH OVER <br /> C y m L2°.-10 FIVES <br /> - G C CLAYEY GRAVELS,CLAYEY <br /> y GRAVELS WITH SAND <br /> S W ���0� WELL GRADED SANDS WITH OR WITH. <br /> 1 • OUT GRAVEL,LITTLE OR YO FINES <br /> CLEAN SANDS W= • • <br /> s� z ° LITTLE OR NO FIVES <br /> rN < z SANDS s P • V 0• POORLY GRADED SANDS WITH OR <br /> • 0 WITHOUT GRAVEL,L3TTL.E OR NO FINES <br /> F- z f • <br /> MORE THAN <br /> {� <br /> - = HALF COARSE S MI- <br /> 244ii-M <br /> SILTY SANDS WITH OR <br /> FRACnON IS :I. . WTI HOLT GRAVEL <br /> o SANDS WITH OVER • <br /> THAW.Ifo,t L2%r- [ES <br /> SIEVE SIZE S C CLAYEY SANDS WITH OR <br /> WITHOUT GRAVEL <br /> f � R <br /> r x y1 I. INORGANIC SILTS AND VERY FINE SANDS, <br /> I " ROCK FLOUR,SILTS WITH SANDS AND <br /> x SILTS and CLAYS G 4 <br /> C L INORGANIC CLAYS OF LAW TO MEDIUM <br /> w LIQUID LIMIT 50%OR LESS PL.ASTICTTY,CLAYS WITH SANDS AND <br /> 0 - RAVE V CLAYS <br /> ' — y O L I k ORGANIC SILTS OR CLAYS OF <br /> 1 w ' LAW PLASTICITY <br /> M H INORGANIC SILTS,MICACEOUS OR 0[A- <br /> TOMACIOUS,FINE SANDY OR SILT'f SOILS, <br /> z z SILTS and CLAYS C SILTS <br /> x x CFI INORGANIC CLAYS OF HIGH PLASTICITY, <br /> F c LIQUID L nVGT GREATER THAN 50% FAT CLAYS <br /> 14 4 i <br /> x O H ORGANIC SILTS OR CLAYS OF MEDIUM <br /> TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> SOILS <br /> `UHF ane <br />