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WATERWORK <br /> METHOD OF SOIL CLASSIFICAT <br /> MAJOR I11V1S1[]NS <br /> SYMBOLS TYPICAL NAMES <br /> �W VCLL GRADED GRAVELS OR GRAVEL-SAND HD[r1fS LITTLE OR NiO FINES <br /> GR.I VELS rP •o' POORLY GRADED GRAVELS OR CiJAVEL-SAND H!%TIRES•LITTLE NO FINESNr v•:v <br /> k SILTY GRAVELS, GRhV''--SAND-SILT N[%LURES <br /> v1" 0434C%MAN Ire Or GM �----- <br /> P« <br /> CUMSE sTutTD>r+ + oAVEL-SAND-CLAY HIXTURES <br /> W ttl.4 SSCVE SRE> GC CLAYEY GRAVELS.LR <br /> o <br /> � TLE DR HO FINES <br /> a Vit" <br /> YELL GRADED SAID <br /> " S OR GRAVELY SANDS. L7 <br /> LD a SANDS <br /> POORLY GRADED SANDS OR GRAVELY SANDS. LITTLE OR NO FINES <br /> LJ N f <br /> a S'i;'; <br /> aSILTY <br /> ISRC Tom 11t Q SH SILTY SNJD-SILT kl%CURES <br /> Q I <br /> (� <br /> Ll gnu- [aACT>ox+ <br /> ND.+SIS/C S= S CLAYEY SANDS,SAND-CLAY W%TLRES <br /> ---- <br /> INDFGANIC SILTS nlD VERY FINE SAMIS ROCK FLOVER, SILTY OR CLAYEY <br /> ML �; F714C SANDS CR CLAYEY SILTS VIIH SLIGHT PLASTIC-17% <br /> N ' SIL+S & CLAYS IIJORGANIC CLAYS DF LDV TO HED[UH PLASTICIrY, GRAVELY CLAYS. <br /> •"' �'— CL SANDY CLAYS,SILTY CLAY I,LEAN CLAYS <br /> 8 LL<504" CF LOW PLASTICITY <br /> G — <br /> OL � '�i ORGAN]C SILTS AND ORGANIC SILTY CLAYS <br /> Z ,1 INORGANIC S(LTS,HIC R DIAIOHA-_ECOUS FINE SANDY TR SILTY <br /> MH SOILS.ELASTIC SILTS <br /> w N SILTS & CLAPS <br /> ] CH INORGANSC CLAVS GF N7CTI PLAIT[CITY, FAT:LAYS <br /> Z <br /> LL-)5G ORGANIC CLAYS Or <br /> TO HIGH PLASTICITY, ORGANIC SILTY CLPYS, <br /> (IH �i�� ORGANIC SILTS . <br /> ' HIGHLY ORGANIC SIIILS pt _ PEAr ANL OTHER NIGH.Y ptGAWC 50[LS <br /> CLASSIFICATIGN CHART <br /> ( UNiF1CD SOIL CLASSIFICATION SYSTEH ) <br /> RANGE pF GR A[N SITES <br /> SANDS ANO GRAVELS BLOWS/FOOT <br /> ,S.STANDAitn GRAIN SIZE D - 4 <br /> CLASSIFICATION SAVE SIZE 1H WLL1lCTERS VERY L130SC <br /> 4 - 10 <br /> BOULDERS ABOVE 12 ABOVE 13' LOOSE 10 - 30 <br /> F•1:DlUH DENSE 30 _ 50 <br /> 12' TO 3' 305 TO 76.2 DENSE <br /> CUSLTS VERY DENSE OBER 50 <br /> GRAVEL 3' TO NO, 4 76,2 YO 4.76 <br /> 3' TO 1/4' 762 TO 191 <br /> COARSE 3/4• TO NO, A 19.1 TO 4.76 RELATIVE J)ENSITY <br /> FINE <br /> 51475 AND CLAYS BLOWS/FOOT <br /> 4,760 TO 0.074 <br /> SANG NO,4 TO NO 200 4,760 TO 2.D)G 0 <br /> CNO. <br /> -2 <br /> '�tRSE NO. 4 TO O. ]0 VERY SST <br /> DN9. 14 TO NND. 40 2A00 TO 0.420 SOFT 2 - <br /> MEDIUM � <br /> FINCIU !�• 40 TO N3.200 0.420 TO 0;074HEDIUM STirr 4 - $ <br /> SILT � CLAY BELOW M:O.200 LiLDV On74 <br /> sT[rr B - 16 <br /> VERY snrr 16 - 32 <br /> HARD OVER 32 <br /> GRAIN SIZE CHART <br /> HMEiZ <br /> 30 <br /> *2 HBER OF 81-9/E3 ]ONCH40.D>� SPLITASPOONF ASTHGO--1586).HfT 70 DRIVE A <br /> IINSISTENCY <br /> NCH <br /> PAGE- CIF_ <br />