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' WATER WORK <br /> METHOD OF SOIL CLASSIFICATION <br /> E MAJOR DIVISIONS SYMBO TYPICAL NAMES <br /> �. GW vl-U GRADED GRAVELS ERR GRAVEL-SAND NDITUI>£S LITTLE DR Nn MESA GRAVELS <br /> GP POORLY GRADED GF.AVE,.S OR t31Av <br /> C3 <br /> .T EL-SAND NIXTLRES.LITTLE t11 No FINES <br /> H" (mm TWA 1/11 C <br /> !1°•� 3 GM SILTY GRAVELS, GRAVEL-BALED-SRT a117tit1RCS <br /> 0 n CCAASC IMICTay> <br /> {-H Z TQ 451[VC Z= p . <br /> GC CLAYEY GRAVELS,GRAVEL-SAND-CLAY NCCTUR£S j <br /> L7� <br /> .y 141 <br /> SANDS SW vELL WARD SANDS OR GRAVRY SANDS LIrrLE CR ND FINES <br /> SF' s'#, POORLY GRADED SANDS DR GRAVELY SANDS LITTLE ln2 No rtNES <br /> C7 pax rww We tr <br /> f U cat=rpurid,c SM SD TY SANDS siwo-slLr nlxrDRss <br /> SC CLAVCY SANDS S&W-Ct AY WXn AC9 <br /> N �L INORGANIC S OR AND VERY FDC&V= ROCK FUFVER, SRTY pR CLAYEY <br /> J SILTS & CLAYS FINC SANDS OR <br /> CLAYEY SILTS VVW SLIGHT PLASTICITY - <br /> ��� I1f0RGANIC CLAYS ERF LOV TD NUM" <br /> P1ASTICI M.GRAVELY CLAYS, <br /> LLC50 CL sA1Hm E IArs SILTY cLAr;t FAN CLAYS <br /> gm cg <br /> ISL MGM IC MtS AND ORGANIC SILTY CLAYS IIF LOW M_="C]Tr <br /> INORGANIC SOTS HICACEOUS 7R DIATOHACECCIUS FNE$ANDY DR SD-Ty <br /> j...�.� �� SILTS & CLAYS <br /> MH SOILS ELASTIC SILTS <br /> Z w CH ILDRGWIC CLAYS CiF KIGf PLASTICITY,FAT CLAYS <br /> LL>50 <br /> QH / ORGANIC CLAYS OF MOWN TO HIGH PLASr=y.ORGANIC <br /> SILTY CLAYS <br /> ORGANIC stirs <br /> IM <br /> HIGHLY I lil IC SOILS Pt PEAT ANA OTHFJI HDIFLY ORG..MC SAILS <br /> CLASSIFICATION CHART <br /> C UNIFIED SOIL CLASSIFICATION sYSrEH ) <br /> z, <br /> T RANGE Or GRAIN SIZES <br /> $ CL ASSIF•ICATION us STANQARO GRAIN nZs SANDS AND GRAVELS 8L[IvS/FOO7 <br /> SMVE SIZE IN NOLLUETERS <br /> MULDERS ABOVE 12• ADOVE Ir VERY LDOSE 0- 4 ± - <br /> Ur= 4 - l0 <br /> CCDIBLES t2' rO O• 305 TO 76.2 NWIUN mme 10 - 30 <br /> GR VEL 3• rD N0 a nEI4sE 30-30 <br /> 762 TO 4,76 VERY DDE OVER SD <br /> CDASE T TO 1/4• 762 TO I9; <br /> ..- 3/4•TC ND. 4 14.1 T'D 476 <br /> RELATIVE DENSITY <br /> SANQ Nm A TO Na 200 4740 YD 0.074 <br /> COARSE H0 • rD Na.10 6.750 TO 2.000 SILTS AND CLAYS SLOWS/FOGY <br /> NoII)s NO. EO TO NO.40 2-000 rO 7.420 <br /> FINE tQ 40 %, Ni 240 0420 m QD74 VERY ST 0 -2 <br /> IFSDF'P' _-.2..4.. <br /> .. SILT g CLAY ERDW NHL 200 (tH1Av OA7s NEDIVN STIFF ♦.-'u, <br /> STIFF - <br /> �_ GRAD! SIZE CHART VERY STIFF 16-3Z <br /> !HARD OVER 72 - <br /> • WNSER OF UN <br /> XUWS OF 140 POD HANKER FALLING 30 INCHES rU DRIVE A <br /> _ 4 IN1CH an. <1-]/8 INCH LD.) 'SPLIT SPOON IAM D-t386). CONSISTENCY - - <br /> I . <br /> i� <br />