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SOIL IDENTIFICATION TERMINOLOGY <br />UJZ <br />I <br />UJ <br />H X <br />LJ <br />§9 <br />Si <br />I <br />w|iis <br />O f/t <br />8 <br />CM <br />O <br />UJ <br />OF COARSE FRACnON <br />RCTAmeO ON <br />NO. A SIEVE________ <br />SANDS <br />more THAN SOX <br />OF COARSE FRACTION <br />PASSES NO. 4 <br />SIEVE___________ <br />CLEAN GRAVELS <br />LESS than 5% FINES <br />LGW <br />GRAVELS WITH FINES <br />MORE THAN 12 % FINES <br />CLEAN SANDS <br />IFSS THAN 5% FINES <br />O <br />o <br />UJZ <br />O <br />uz <br />ul <br />in <br />UJis <br />in <br />Ul88 a «>« <br />a: 6 o 5 <br />SS <br />SILTS AND CLAYS <br />UOUIO LIMIT <br />LESS than sox <br />SILTS AND CLAYS <br />UOUIO UMIT <br />50X OR MORE <br />SANDS WITH FINES <br />MORE THAN 12% FINES <br />INORGANIC,PI > 7 <br />WHL-GRAnED GRAVEL <br />P^RLY GRADED GRAVEL <br />SP <br />SM <br />PI < 4 <br />ORGANIC <br />inorganic <br />PI PLOTS ON OR ABOVE ‘A* LINE <br />PI PLOTS BELOW ’A* UNE <br />highly organic soils <br />organic _______ <br />ANo" <br />por-AMit nriQR :----------------- <br />OL <br />MH <br />SILTY GRAVEL <br />clay Ey GR a Wl <br />WPlL-GR/^ED 5ANi^~ <br />POORLY GRADED SAiiHy <br />SILTY SAND <br />CLAYLV bAWD~ <br />lean clay <br />SILT <br />ORGANIG GLAf <br />ORGANIC SILT <br />FAT CLAY <br />ELASTIC SILT <br />ORGANIC CLAY <br />ORGANIC SILT <br />PEAT <br />PARTICLE SIZE ’.DENTIFICATION <br />row CLASsmcATioN or m <br />CMmeo SOtCS *NO <br />cmmncd fmction or co^ <br />OMNCO SOILS . <br />EQUATION or A LINE <br />AT <br />d <br />X ^2 w <br />VMa Mw a <br />/c <br />prT4 TO a - n - .73<a-20) <br />//I MH 0 R c H <br />o <br />1 <br />. OF OL <br />cm r 1 [nn 11 <br />BOULDERS <br />COBBLES <br />GRAVEL <br />COARSE <br />FINE <br />SAND <br />COARSE <br />MEDIUM <br />FINE <br />SILT <br />CLAY <br />OVER 12" <br />3" - 12" <br />3/4" - T <br />NO. 4 - 3/4" <br />NO. 4 - NO. 10 <br />NO. 10 - NO. 40 <br />NO. 40 - NO. 200 <br />NO. 200 - .005 MM <br />LESS THAN .005 MM <br />liquid UMIT (LL) <br />RELATIVE DENSITY OF <br />COHESIONLESS SOILS <br />VERY LOOSE <br />LOOSE <br />medium dense <br />DENSE <br />VERY DENSE <br />0-4 BPF <br />5-10 BPF <br />11-30 BPF <br />31 - 50 BPF <br />50+ BPF <br />RELATIVE DENSITY OF COHESIVE SOILS <br />VERY SOFT <br />SOFT <br />FIRM <br />HARD <br />VERY HARO <br />0 - 4 BPF <br />5 - 8 BPF <br />9-15 BPF <br />16 - 30 BPF <br />30+ BPF <br />BPF - BLOWS PER FOOT <br />SCHOELL & MADSON, INC.