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DESCRIPTION I MAJOR DIVISIONS <br /> Wel-waded ggruvela, gavel sand mixtures.lir>ir a- Clem gavels(Ii[Ile of ao <br /> ....., <br /> GW no fines fines) Gravel and g welly <br /> soils <br /> 0 <br /> Poorly-gradzd gravels. gravel sand mixtures,lia-z <br /> GP or no fines <br /> N <br /> More than 50`70 of — <br /> Silly gravels,gravel-sand-site mixtures Sands with appreciable amount coarse fraction retained <br /> 1 of fines on no.4 sieve <br /> GM <br /> U <br /> Clavey gravels,gravel-sand-clay mixtures <br /> {wr <br /> GC 3' <br /> < (� Wc1-graded sands,gravelly sands,little or no f— Clem mrld(little or no fines) <br /> �. <br /> SW <br /> and sandy soils <br /> S <br /> Poorly-graded sands,gravelly sands,little or no _r <br /> SP fines More than 5090 of J <br /> coarse fraction — <br /> } Silry sands sand-silt mixtures passing no.4 sieve <br /> t: SM Sands-4rith apprcciabie amount <br /> •`. = of fines <br /> 4 INN" <br /> Clayey sands.sand-silt mixtures .. <br /> SC <br /> lror;:nuc silts and vav fine sands.rocs:flour.s` <br /> or ciavev fine sends or clayey silts with slight = <br /> SIL plasuc:N <br /> L.zuid limit Icss:.`.:n Silts and <br /> ��•'. [nor- clays of low to medium plasticity, ]lJ C1avS <br /> CL etavcily clays.sandv clays,silry ciays.Ican clams <br /> Oto= <br /> ci silts and oroartic silty ciays of low r <br /> OL piasuccv <br /> 2 <br /> IInar;anic silts,micaceous or diatomaceous firs r <br /> iSIH sand or silty soils <br /> U <br /> / Enorganic ciays of high plasticity, fat clays Liquid limit-r----than Silts <br /> CH 50 and <br /> clays C14 <br /> Orb.-tic clays of medium to high plastictry. <br /> OH silts <br /> Peat human,swamp soils with high organic Highly organic Soils <br /> PT commits <br /> t } <br /> e Unifred Soil Classification '- <br /> Quality Control Inspection <br /> Cxz�c=-*c:i Tcsstg L:&jr� <br /> t <br /> t t A--I u&LQ-vtoilo G\9:51.51 t <br /> r1 <br /> Wltlu C-.,moo I/uoea�o� <br /> �. I <br />