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I my <br />o <br />o <br />CLASSIFICATION OF SOILS FOR ENGINEERING PURPOSES <br />ASTM OMiflnction: D 2417 > 66 T AND D 2486 - 66 T <br />iSti^22ii£IS2iiiSJ^a»^2Sfc <br />4 <br />Ma|«r dl«Mon« <br />I <br />S <br />HIIII <br />In <br />fl <br />i-MII3 <br />iiill <br />III <br />III <br />1 <br />u <br />II <br />I <br />HliA <br />Ore«ip <br />•ymbolt <br />GW <br />Typical name* <br />Wall-pradad pravaU. pravalcand <br />mlKturai. Unit or no finat <br />Poorly gtaCyd O'avali. prtval- <br />tand miMtura*, litlla or no fine* <br />Silly pravali, graval-Mnd-aili <br />miaturaa <br />!l <br />s <br />li* <br />MH <br />aayay gravalt. praval iand-clay <br />miMiurat <br />Laboralery alalliallow criiarto <br />I <br />I <br />I <br />iS <br />I <br />«>»{ <br />85 J <br />oTuI <br />a 13 fi <br />Wall-sradad tandt. gravally <br />•anda. litila or no finat <br />Poorly gradad undi. gravally <br />•andi. litlla or no finaa <br />Silty aandt. aand-ailt miMiurat <br />Gayay aanda. und-clay mia- <br />twraa <br />inorganic liitt and vary fina <br />aat>da. rock flour, ailty or clay- <br />ay fina aanda or clayay tilii <br />aaith alight plaaticlty <br />Inorganic ciaya of low lo ma- <br />dium plaaticiiy, gravally clayi. <br />aondy daya. ailty ciaya, laan <br />daya <br />Organic ailta and organic wily <br />c aya of low plaaticlty <br />Inorganic ailta. micacaoua or <br />diatomacaoua fina aandy or <br />ailty aoila alaatic ailta <br />Inorganic daya of high plaa- <br />ticity. fat ciaya <br />Organic daya of madium to <br />high plaaticity, organic ailta <br />Paat and olhar highly organic <br />aoila <br />H <br />y <br />l! <br />lit ; • <br />!l»hI ill <br />iriiiiIll's <br />£>ao tOft* <br />Cu«^~graatar than 4; baaaaaaai 1 and 3 <br />Net maating all gradation raquiramanta for GW <br />Atlarbarg limitabalow "A** <br />line or P.l. laaa than 4 <br />Abova **A” lina aaHh P.I. <br />batwaan 4 and 7 ora bor«> <br />darf/na eoaaa raqulring waa <br />of dual aymbolaAttarbarg llmita abova "A" <br />lirta with P.l. graatar than 7 <br />O«o (Oiot^ <br />c„. — .h„ ft 1 M 3 <br />Not maating all gradation raquiramanta for SW <br />Attarbarg linuta below "A" <br />lina or P.l laaa than 4 Limita ptotilng in hatthad <br />tor>a with P.l. batwaan 4 <br />and 7 ara bord^Unt mtm <br />raquit. ' ^ of dual tym- <br />bolt.Attarbarg limita abova *‘A” <br />lina with P.l. graatar than 7 <br />1 1 1 1 1 <br />For clanlflcation of fma-graii <br />Milt ar«d fina fraction of com <br />__gralnad aoila. <br />Attarbarg Limita plotting <br />hatchad araa ara bordarlirta di <br />ficationt raqulrlrtg uaa of d <br />__ aymbola. <br />Md <br />raa* <br />y 1 N\In <br />nai- <br />kial CM <br />/ <br />/ <br />Eo'• ation <br />rl-0.7 <br />of A-lli <br />3 ILL <br />w: <br />20) <br />/ <br />/ <br />a* <br />/r OH ar 3 MH <br />CL <br />/ <br />/ <br />:LMii SP' <br />y <br />/ <br />ML ai dOL <br />Liquid Limit <br />Pfaailcitv Chan <br />TUBtERRA^EAN ENGINEERING CORP. <br />m