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— UNWIED SOIL CLASSIFICATION CHART <br /> up <br /> .a <br /> DESCRIPTION <br /> � MAJOR DIVISIONS <br /> a GW WELL-GRADED OR GRAVEL-SAND MIXTURES, <br /> OLTI'TLE OR NOFLNES CLEAN rn m <br /> GRAVELS <br /> GP POORLY-3RADED GRAVELS CR GRAVEL-FANO (LITTLE OR <br /> MIXTURES,LITTLE OR NO <br /> 17 NO FINES) <br /> GM SILTY GRAVELS,GRAVEL-SAND-SCT GRAVELS , ��Avg <br /> g �� <br /> MIXTURES * W w IL 2!g w <br /> WITH FINES t7 a Q m <br /> GC CLAYEY GRAVELS,GRAVEL-SANDCLAY (APPRECIABLE R <br /> MIXTURES AMOUNT OF FINES) Z o5 <br /> SW WELL-GRADED SX40 OR GRAVELLY SANDS. CLEAN y P O LL Z <br /> _.- LIYTLEOR Nn!:'ES SANDS wi <br /> k uj ujw <br /> SP Lf�TTCLELOR NO FINES <br /> DS OR GRAVELLY SANDS. (LITTi E OR kyr w h x <br /> NO FINES) q 3 N w <br /> ( SMSILTY SANDS,SAND-SILT MIXTURES SANDS N r w eu g m <br /> WITH FINES awc `n �!Q <br /> SC CLAYEV SANDS,SAND-CLAY MIXTURES (APPRECIABLE <br /> AMOUNT OF FINES) 9} <br /> ML INORGANIC SILTS.VERY FINE SANDS,ROCK FLOUT-SILTY OR e <br /> CLAYEY FINE SANDS OR CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> CL INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY,GRAVELLY SILTS&CLAYS w <br /> CLAYS,SANOV CLAYS,SILTY CLAYS,LEAN CLAYS LIQUID LIMIT LESS THAN 50 G+ w o 5 a <br /> fA m <br /> ORGANIC SILTS AND ORGANIC SILT-CLAYS <br /> OL OF LOW PLASTICITYLy <br /> 2G p <br /> MH OF <br /> SILTS AND ORGANIC SILT-CLAYS <br /> OF LOW PLASTICITY <br /> CH INOnGANIC CLAYS OF HIGH PLASTICITY,FAT SILTS&CLAYS W w <br /> CLAYS LIQUID LIMIT GREATER THAN 50 lu <br /> +r� CRGANICCLAYS OFMEDIUM"iOHIGH PLASTICITY, IL <br /> �r►r� CR ORGANIC SILTS <br /> rrr <br /> PT PEAT AND OTHER HIGHLY ORGANIC SOILS H!-3HLY ORGANIC SOILS <br /> , 5 <br /> PLASTICITY CHART <br /> 60 -- KEY TO SAMPLES <br /> X <br /> SO IMINDICATES UNDISTURBED SAMPLES <br /> LU <br /> w40 J E INDICATES DISTURBED SAMPLE <br /> m Q INDICATES NO RECOVERY IN SAMPLE <br /> 30 -LINE [;-Od INDICATES DEPTH Or STANDARD PENETRATION TEST <br /> V CL ( <br /> 20 <br /> 11AH aQH <br /> TG TYPES OF SOIL SAMPLERS <br /> CL ML cL <br /> MLAOL U- DAMES a MOORE TYPE"U'SAMPLER <br /> O 1D 20 30 40 50 60 70 80 90 IGO <br /> LIQUID LIMIT <br /> SOIL CLASSIFICATION CHART <br /> AND KEY TO SAMPLING <br /> Dames& Moore f <br /> LISC-T PLATE A-6 <br />