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CLASSIFICATION OF SOILS FOR ENGINEERING_ PURPOSES <br />ASTM Desi pailon: D 2467 — 66 T AND D 2466 — 66 T <br />Unified Soil CNwifiatma System <br />Now dvislena 0 ' 0 1 Typical issenes laboratory dasihCRsen C111ebss <br />Wellgadedgrewb, D <br />graval�and wu /Ox7a- <br />Ci, great or than 4. G - between 1 and <br />GW mixtures. finleorn�frnr� j DI„ c Dt0XOw <br />GP Poorly flradad eraveh. Pavel „ Not meeting all gradation requirements for GW <br />send rni,TurM little or no fames <br />. h <br />■ C d Silty gravels. gravel7and4h Artertm'j limrtsbelow "A" <br />i `fir GM mixtures fi line to P i im than / <br /># u is: t7 t s Above ..A.* line w" F.I. <br />,6 between a land 7 we bo , <br />--- - - u = 3 i . - --between &der i can ri quirbtg use <br />at <br />GC i aaYw vowels. gravel sand -clay s � - Iiu.Dero hmirs above ..A.. � of dual syrstOMs <br />- , waturas I linev. th P I greater than 7 <br />than <br />I SW Wel4teded sends. atavelly (c Dau IDxilt <br />sands, little or no fines - Cu - Peat« than 8. C C rn�an obin-~ 1 and 3 <br />Dio <br />f : Poorly graded sends, grswlly <br />■ Sp erids. lire ti no fines S }' Not melting all gradation requirements for SW <br />s Y t Atttarbe knits below A <br />SM — Sifty sands. sandsiM mi,rures a n N u line or P I Nss than / Limits pbning in hatched <br />_ u o zone with P.I. bMwtpn 4 <br />and 7 we borAkws reps <br />S ! a I I ` • ' rewiring use of dud virm- <br />? Clan •y sands ind I'•y mix R Atterbarg limits above "A" pas. <br />Sc lures "n 'n I fine Meth ►.I gryatM then 7 <br />I � <br />Inorganic silts and vary fi <br />sertda, rock flour. silty nr Cley <br />PAL <br />ey fine said@ or cleyey silts <br />i <br />L= <br />with slight plasticity <br />11"Nowr4c: :Jays of low to fM <br />!!■ <br />CL <br />dium plasticity, gravelly dsys. <br />aridr days. silty Nays. law <br />Q <br />s <br />q <br />Z <br />i� <br />OL <br />Organic ants and organic fitly <br />Clays of Imw PUMCIty <br />MM <br />Inorganic Wts. mineeose or <br />diatome:904r• fine sandy or <br />ailty eplts. OIMK nits <br />CH <br />Inorganic dM of h4h plee• <br />ticity. fet Cleve <br />- <br />ON <br />Organic cis" of if urn to <br />high plasticity• organic sift. <br />1! <br />n <br />Peet anJ other highly organic <br />I alb <br />60 <br />50 <br />�0 <br />70 <br />10 <br />7 <br />4 <br />0 <br />For classification of fineSminad <br />smile sad fire fraction of co@M- <br />PsMsd soils. <br />Atterberg Limits plotting in <br />hatched area are bordsrfin l tale• <br />CM <br />ficatiore requiring uss of dual <br />Equation of A -lire <br />PI-0.79ILL 20) <br />I <br />r <br />ON on <br />a MH <br />i <br />1 <br />CL <br />l <br />I <br />ML4MWOL <br />0 10 20 20 40 8o W 7'4 00 to ifs <br />Liquid UimW <br />PlaltleMy Chwt <br />subterranean engineering Corp. <br />