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l���rr YVLi�� MPTHOD CSF SOIL CLASSIFICATION <br /> TYPICAL tJAtIES <br /> MAJCIR Dl ISICNS_ SYMfl❑LS - <br /> C W WELL GRADED GRAVELS CR GRAVEL-SAND MIXTURES, LITTLE UQ NO FINES <br /> RAVELS ppORLY G ALED GRAVELS OR GRAVEL-SANO MIXTURES. LITTLE GR NO FINE: <br /> V3 FA pJ <br /> SILTY GRAVELS GRAVEL-SAND-SILT MIXTURES <br /> N" 1101E TKAAN I/2 OF GM " <br /> b CO4A5C FR4111GN <br /> W N0.a SIEVE S170 CI <br /> 7 C CLAYEY GRAVELS. GRAVEL-SAND-CLAY HI%TUBE: <br /> o <br /> WELL GRADED SANDS OR GRAVELY Snu4;, LITTLE OR N1] FtIIES <br /> r S u --,.^—..— <br /> SANDS <br /> W Srj PCORLY GRADED SANDS OR GRAVELY SANDS, LITTLE CR NCI FINES <br /> N <br /> tY w <br /> s <br /> C:] [PORE THAN I/2 Gf SM SILTY SANDS, SAND-SILT M[%TUR - <br /> 'a.4 SICVE SIZE) SC CLAYCY SANDS. SANp-CLAY MIXTURES - <br /> I. INORGANIC SILTS AND VERY FINE SANDS, ROCK FLOWER. SILTY OR CLAYEY <br /> V ML FINE SANDS OR CLAYEY SILTS WITH SLIGHT PLASTICITY <br /> J i SILTS & CLAYS INORGANIC CLAYS OF LOW 10 MEDIUM PLASTICITY. GRAVELY CLAYS, <br /> E3 CL SANDY CLAYS. SILTY CLAYS, LEAN CLAYS <br /> LL<50 <br /> q Q ❑L GRGANIC SILTS AND OPGANIC SILTY CLAYS DF La-' PLASTICITY <br /> Z INORGANIC SILTS. MICACEOUS OR DIRTCHACECOUS FINE SANDY OR SILTY <br /> Q S� 11H SDItS, ELASTIC SILTS <br /> SILTS & CLAYS <br /> � -- CH INORGANIC CLAYS OF HIGH PLASTICITY-FAT CLAYS <br /> W <br /> LL>5D CRGANIC CLAYS OF MEDIUM TD HIGH PLASTICIIY,GRGANIC SILTY CLAYS. <br /> L.� ❑H CRGANIC SILTS <br /> HIGHLY ORGANIC SOILS Pt PEAT AND OTHLR HIGHLY CRGANIC SOILS <br /> CLASSIF'ICATICIN CHART <br /> ... f UNIFIED SOIL CLASSIFICATION SYSTEM 1 <br /> RANGE ❑F GRAIN SIZES SANDS AND GRAVELS BLOWS/PLOT <br /> L.S. STANDARD GRAIN SIZE <br /> CLASSIFICATION VERY LCOSE 0 - a <br /> SIEVC SIZE 1N MILLIMETERS <br /> 5OULEERS <br /> ABOVE 12' <br /> ABOVE 13' LOOSE 4 - 10 <br /> MEDIUM DENSE 10 - 30 <br /> COBBLES 12' TO 3' 305 TO 76.2 DENSE 30 - 50 <br /> VERY DENSE OVER :O <br /> GRAVEL 3' YO NO. 4 76.2 TO 4.76 <br /> 3' TO 1/4' 76.2 TO 19-I <br /> CCARSE RELATIVE DENSITY <br /> FINE 3/4' To NO 4 19.1 TG 4.76 <br /> SILTS AND CLAYS BLOWS/FCOT <br /> SAND NO. 4 TO ND.200 4.750 TO 0.074 -- <br /> COARSE NO. 4 10 NO. ID 4.760 TO 2.900 0 _VERY SOFT 2 <br /> N0. SD TO NO. 40 2.000 TO 0-420 <br /> MEDIUM NO40 TO NO. 200 0.420 TO 0.074 SOFT 2 - 4 <br /> , <br /> :INE 4 - U <br /> MEDIUM STIFF <br /> SILT & CLAY BELOW NO.200 <br /> MOV 0074 STIFF 9 - 16 <br /> VERY STIFF 16 - 32 _ <br /> GRAIN SIZE CHART HARD OVER 32 <br /> NUM <br /> INCHRO.D. (1-/8 OF <br /> IOF 0.6.)OSPLITASPOUNFI STIMOD315B61C.HE5 TO DRIVE A <br /> CONSISTENCY <br /> PAGE ❑F <br />