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i � . <br /> � � <br /> 1 SOIL CLASSIFICATION SYSTEM <br /> I MAJOR DIVISIONS GROUP GROUP NAME <br /> I SYMBOL <br /> GW WELL�GN/1DED GRIIVEL.FINE TO COANSE GPAVEL <br /> ( CRAVEI CLEAN GNAVEL <br /> ICOARSE GP POONLY-GRADED GN11VEl ` <br /> GRAINED Mor�Then 50% <br /> SOILS ol Coene Fuction CM SILTY GHAVEL <br /> I CflAVEI <br /> Rateinad yy�TH FINES <br /> on No.4 Slev� GC CLAYEY GflAVEL <br /> l SW WELL•GRADED 511ND,FINE TO COARSE SAND <br /> 1 SAND CLEANSAND <br /> Mo�a Than 50% SP POOPLY-GPADED SAND <br /> I Fetelned on More Then 50% <br /> No.200 Skva SM SILTY SAND <br /> al Cosnt Fmcllon SAND <br /> p��q� WITH flNES SC CLAYEV SAND <br /> � No.4 Slera <br /> ML SILi <br /> FINE SILT AND CLAY INONGANIC <br /> � GPAINED CL CLAY <br /> I SOILS ��aWd LImR <br /> ORGANIC OL OflC11NIC SILT.ON6ANIC CU1Y <br /> Las�Th�n 60 <br /> � MH SILT OF HICH PLASTICITV.ELASTIC SILT <br /> IMore Than 50% SILT AND CLAY INOXGANIC <br /> Pu�es CM CLAV OF HICN PLASTICITV,FAT CLAV <br /> I No.200 Sl�r� Uwid Llmit <br /> ORGANIC OH OqGANIC CLAY,ORCANIC SILT <br /> 60 or Mora <br /> HIGHLY ORCANIC SOILS PT PEqT <br /> � <br /> � NOTES: SOIL MOISTURE MODIFlEPS: <br /> 1. Field cleatMcation It beted on visuel eaaminetian o/ soil in pry. pb�ene�of moi�tun.Uu�tY.dry to the touch <br /> general aceordence with ASTM 02488�90. <br /> � Molst- DemD�bu1 0o viNbl�w�t�r <br /> 2. Soil clessificetion using lebonmry ta�t� Ie In qenerel <br /> aceordsnea with ASTM D24B7•90. Wat• VI�I61�im wN�t m��funfad.u�udly�oil i�obtslnsd hom 6Naw <br /> 3. DuMptlons ol soll dm�iry or coroistancY ue heud on wetar nbN <br /> Interynttlian al blow eount dat�. rLwl �PW�nnn ol wib. <br /> I �nEbt dst det�. <br /> I \�p SUIL CLASSIFICATION SYSTEM <br /> Geo��Eng�neers FIGURE A-1 <br /> ( <br /> (:\coila-I.doc <br /> � 3�y� <br />