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<br />GRADATI®N CURVE <br />Sample 14+00 at 5-7 feet <br />100 <br />95 <br />90 <br />85 <br />so <br />7s <br />.. 70 <br />m ss <br />~ so <br />55 <br />60 <br />i~ 45 <br />m 40 <br />m 35 <br />a 30 <br />25 <br />20 <br />15 <br />10 <br />s <br />0 <br /> <br /> <br /> sift <br />- ----- gravel ----------~ sand --- -------- ---- ~----~-----. <br />-----~-----~----'---- ---- cla ---- -- <br />Y <br />- <br /> <br />- <br />-, <br />--- ~-----~----~----- <br />----~-----~--- <br />----- -----~----~-----a-----r----; ---- <br /> <br />----- <br />----- <br />---- <br />~ ----- ---- ----- ---- ----- ---- ---- -- - <br /> <br />----- ---- ----- ----- ---- ----- -- <br /> <br /> <br />_ _ <br /> <br />~_____r___ ____ <br />---- . r <br />r <br />_____ <br />t_____~_____~____ <br />(---------- ---- ---- --- - - - ---- <br /> <br />____-_____~_____ <br />~ r____ ~_____i_____~_____~ ___ ----- ---- ---- -- <br /> <br /> <br />i_____}____~_____~__ <br /> <br /> = <br />~ ' ~ <br />- <br />~ ~ <br />- -----~-----*----~----- ----r---- <br />-----~---- <br />----- ---- '----- <br />-----r- - <br />----- ------------------ <br /> <br /> <br /> <br />- -----i----'`----'----- -----`---'-----`----=----'----- ----'-----'-----'-----'-----i-----`- -- -- - - ------------ <br /> <br />g ~~ ----------; # 4. ----------------~----~ <br /># --- ----- ---- ---- ----- ---- --- <br />200 ----- ---- ----- -- <br />75 1s.o a's o.as o.zs o.o7s o.oa7s ' o.oz2o ' o.oosz ' o.oo4s ' o.ooz3 ' <br />37.5 9.5 2.0 0.43 0.15 0.0670 0.0344 0.0129 0.0066 0.0032 0.0014 <br />Grain Size In Millimeters <br />• <br />