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Il <br />1 <br />I i <br />I., <br />[7 <br />u <br />D <br />lJNIFIEE3 SC31L CLAs <br />EIpICATI®f'1,i <br />hin o. divisions Group I <br />s✓n+bols i Typical na,,U. <br />Y <br />N <br />Y <br />GW <br />0 <br />M ,p <br />v o a <br />�v <br />GP <br />0 <br />$ <br />= X � <br />,c� r <br />a:r <br />d <br />M <br />e <br />GM <br />• ... <br />.cwu <br />u <br />GC <br />z <br />SW <br />R .A C <br />4 <br />SP <br />M <br />d a: <br />d <br />SM <br />Alp <br />Sc <br />� t <br />9 El1 <br />W <br />SYSTEM <br />Laboratory cdaasificatian criteria <br />el"graced gravels, gravel -sand <br />mixtures, little or no fines ti ©bo (D3012 <br />c Cu0----greatar than 4• C <br />Dt p c Ot XDjO between 1 and 3 <br />Poorly graded ravels ro O1 <br />9 gravel• c <br />sand mixtures, little or no fines <br />a Not meetin 1 <br />Silty gravels, gravel.yand-silt <br />mixtures <br />Clayey gravels, 9ravel-send.clay <br />mixtures <br />We11-graded sands, gravelly <br />sands, little or no fines <br />Poorly 9 Iltd sands, gravelly <br />sands, little or no finest <br />Suzy sands. sand -tut mixturot <br />C18yeY 6Qnd3. sandcJa <br />tuna y mix• <br />"'or nie silks and very ine <br />ML sands, rode flour, 111ty or cj4y. <br />ey fine sands or ciavey silts <br />With slight plgalittty <br />7divam) <br />or�nicltvs of low to me. <br />olal"icity.gravellymays, <br />sro*v clays, silty clays" leays <br />OL <br />MH <br />rCJ4 r <br />OM <br />d, a Pt <br />o <br />9 a 1 groaatron requirsfr»ntx for GW <br />V <br />w N N <br />t�3 <br />d <br />rber limits <br />Attt g is below .,A." <br />lint or P.l. less <br />00 <br />thin 4 <br />x <br />Above "A" line with P.1. <br />M between 4 and 7 are bo^ <br />g ; : <br />Atterberg limits aAove det,111v cum requiring else <br />line With P.J. greeler than 7 of dual symbols <br />Dap 1rDaf' <br />- grasttr than 8; C. <br />W7••sni! • 9� <br />to D= M060 <br />Not meaning all gradation ropuJrs�enrs for SW <br />o e , <br />r ." <br />nAtten" <br />limltx beJOw "A" <br />� � « <br />6nt or P.l. lees than 4 <br />JJrstia Dlaning In hasttd�pd <br />.� <br />c r w r» p <br />� � <br />I <br />marts with P"1, bt <br />and 7 erg b'o,*di cum <br />HO .. M w <br />.....d <br />Atlertmfg limits above "•A" reQulring US* of duel sym, <br />bolt, Gnt with P.1, <br />greater than 7 <br />60 <br />r <br />For classiti021c" of f,na.graarted <br />setts and lint trat`tion of coarse" <br />50� A116"tl sods. <br />Attertlorq Limits plottlrtp in <br />hatch" arts are borderline d.W. <br />fitat�ons requiring usa of dual <br />OrCanlc silts and orWic tiity 40 symbols. <br />clays of low plasticity �! Fs3uation of Aline: <br />P100.73 (LL • 20) "...'.. <br />inorganic tell 30 - <br />diatomaceousfine Sandy or u <br />silty $oils. elastic silts i <br />a <br />20 <br />Inorganic clays of high pigs• <br />tic+N, fat clays <br />Organic clays of medium to <br />hign plLticity, organic silts <br />Peat and other highly organic <br />soils <br />W <br />10 <br />.•A,M •••. I ' <br />--1-ML a?d O L--._L <br />0 <br />0 10 20 30 40 50 60 <br />Liquid Limit <br />Psatticity Chart <br />OH <br />70 -130 90 100 <br />