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<br />GRADATION CURVE <br />Semple 28+00 at 10.11.5 feet <br />100 - <br />95 - <br />90 - <br />85 - <br />so - <br />7s - <br />~, 70 - <br />~ 65 - <br />m <br />~ 60 - <br />55 - <br />> 50 - <br />45 - <br />ro 40 - <br />m 35 - <br />°- 30 - <br />25 - <br />20 - <br />15 - <br />10 - <br />5 <br />0 <br /> _J _L J <br />~ r ~ _l _l - 1 <br />i • ~ ~ ~ _J _l J 1 _L J _ <br />~ ~ i • ~ ~ ~ l _l _J _L <br />~ ~ i ~ <br />- ~----~-----~-----r---- -----~----~-----~-----~---- --- - --- ---- ----- ---- ---- ----- ---- ---- ----- -- ----- -- <br />r- -~ <br />- ~----'-----`----'----- -----`----'-----t-----r----'-- -- ----- -- - ---- --- - --- ---- ---- <br />sil -----`----'----- -- <br />- ~---- <br />gravel ~ -----•----- ----------- <br />~ sand ~ ---- ----'-----. <br />t----'-----' ---- ;---- <br />---- clay ---- -- <br /> <br />_ i_____ <br />r_____~ ____ _____ <br />r____~_____r_____r__ r____1_____r____ ____7_____~_____r___ ~_____}____i_____}__ <br /> <br />- <br />, r_____r <br />-----'-----' ' ---- <br />~ r____~_____ <br />---_E---- ~-----'----' <br />7_____,______,__ _ <br />---- ~----;-----~----'-----~ <br />r_____r____}_____r__ <br /> J L 1 _4 _J ~ _J 1 L ~ ~ ~ <br /> <br />3 ~~ -~-----~----' ~ -- ---- -•------- ~---- <br /># --- ----- - -- ---- ----- ---- ---- <br />200 ----- ---- - -- - <br />75 19.0 4.8 0.85 0.25 0.075 0.0447 O.D206 0.0087 0.0045 0.0022 <br />37.5 9.5 2.0 0.43 0.15 0.0622 0.0320 0.0121 0.0062 0.0031 0.0013 <br />Grain Size In Millimeters <br />• <br />