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' F' <br /> UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br />' MAJOR DIVISIONS TYPICAL NAVIES <br /> G W :+ WELL GRADED GRAVELS WITH OR <br /> GRAVELS CLEAN GRAVELS WITH WITHOUT SAND,LITTLE OR NO FINES <br /> a <br /> LITTLE OR NO FINES �{• <br /> w <br /> GP •:tom''•, POORLY GRADED GRAVELS WITH OR <br /> ram MORE THAN WITHOUT SAND,LITTLE OR NO FINES <br /> .a .a HALF COARSE z• <br /> ►+ t FRACTION IS <br /> O 0 LARGER THAN G M SILTY GRAVELS,SILTY GRAVELS <br /> ui u m No 4 SIEVE WITH SAND <br /> > SIZE GRAVELS WITH OVER <br /> O m w 12%FINE) <br /> w - G C CLAYEY GRAVELS,CLAYEY <br /> z m GRAVELS WITH SAND <br /> Q .J a • r <br /> t� • r WELL GRADED SANDS WITH OR WIIH- <br /> i? z •+�•� OUT GRAVEL,LITTLE OR NO FINES <br /> CLEAN SANDS WITH S W <br /> W x o LIT'-rLE OR NO FINES <br /> A s z SANDS S P * • � • • POORLY GRADED SANDS WITH OR <br /> p4 s • • WITHOUT GRAVEL,LITTLE OR NO FINES <br /> Q t MORE THAN . . <br /> U w x HALF COARSE S M ♦ • SILTY SANDS WITH OR <br /> .c FRACTION IS • • WITHOUT GRAVEL <br /> o SMALLER SANDS WITH OVER • • <br /> * THAN No 4 12%FINES • //av SIEVESIZE S C • CLAYEY SANDS WITH OR <br /> WITHOUT GRAVEL <br /> 1 <br /> a <br /> ML INORGANIC SILTS AND VERY FINE SANDS, <br /> m ROCK FLOUR,SILTS WITH SANDS AND <br /> z SILTS and CLAYS GRAVELS <br /> yw > C L INORGANIC CLAYS OF LOW TO MEDIUM <br /> w LIQUID LIMIT 50%OR LESS PLASTICITY,CLAYS WITH SANDS AND <br /> O m - <br /> .. y <br /> OL + ORGANIC SILTS OR CLAYS OF <br /> O a LOW PLASTICITY <br /> MH INORGANIC SILTS,MICACEOUS OR DiA- <br /> d . TOMACIOUS FINE SANDY OR SILTY SOILS, <br /> a z z SILTS and CLAYS ELASTIC SILTS <br /> .. s z C H INORGANIC CLAYS OF HIGH PLASTICITY, <br /> v] r- LIQUID LIMIT GREATER THAN 5001. FAT CLAYS <br /> z m <br /> w .c O H * ORGANIC SILTS OR CLAYS OF MEDIUM <br /> 0 �� TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> SOILS <br /> 6 <br /> 7 11131717211 <br />