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i <br /> I F' UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br /> NWOR DIVISIONS TYPICAL NAN ES <br /> G W �: WELL GRADED GRAVELS WITH OR <br /> WPfHOUT SAND,LITTLE OR NO FINES <br /> GRAVELS CLEAN GRAVELS WITH :••'- <br /> a LITTLE OR NO FINES <br /> m G P POORLY GRADED GRAVELS WITH OR <br /> h MORE THAN f. WITHOUT SAND,LITTLE OR NO FINES <br /> I a HALF COARSE • �' <br /> �• FRACTION IS <br /> p a LARGERMAN G M SILTY GRAVELS,SILTY GRAVELS <br /> No 4 SIEVE I WITH SAND <br /> a SIZE GRAVELS WITH OVER It <br /> p w m 12%FINES <br /> W W G C CLAYEY GRAVELS,CLAYEY <br /> Z m GRAVELS WITH SAND <br /> r (a, <br /> aaC < e S W it WELL GRADED SANDS WITH OR WITH- <br /> C x 40!0•• OUT GRAVEL,LITTLE OR NO FINES <br /> CLEAN SANDS WITH <br /> W z a LTITLE OR NO FINES <br /> rn < z SANDS S P • • r r POORLY GRADED SANDS WITH OR <br /> Cd x • • WITHOUT GRAVEL,LITTLE OR NO FINES <br /> O < MORE THAN <br /> U Co x HALF COARSE S M • • SILTY SANDS WITH OR <br /> a M FRACTION IS . . WITHOUT GRAVEL <br /> C SMALLER SANDS WTI'H OVER • • <br /> x THAN No 4 12%FINES 1 • <br /> SIEVE SIZE S C • CLAYEY SANDS W1I'H OR <br /> WITHOUT GRAVEL. <br /> • • e <br /> a <br /> ML INORGANIC SILTS AND VERY FINE SANDS, <br /> w ROCK FLOUR,SILTS WITH SANDS AND <br /> z SILTS and CLAYS <br /> C L INORGANIC CLAYS OF LOW TO MEDIUM <br /> m LIQUID LIMIT SO%OR LESS PLASTICITY,CLAYS WITH SANDS AND <br /> ORGANIC SILTS OR CLAYS OF <br /> p w o 1 1 + 1 LAW PLASTICITY <br /> W a o1i <br /> Z <br /> .. s M H INORGANIC SILTS,MICACEOUS OR DIA- <br /> e o TOMACIOUS,FINE SANDY OR SILTY SOILS, <br /> 9 z z SILTS and CLAYS FLASTIC SILTS <br /> U < <br /> x z C A INORGANIC CLAYS OF HIGH PLASTICITY <br /> W F < LIQUID LIMIT GREATER THAN SO% FAT CLAYS <br /> z x <br /> w � F <br /> w a O H ORGANIC SILTS OR CLAYS OF MEDIUM <br /> O TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> SOILS <br /> F Inc. 7672 7 6 u u I <br />