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~] <br />~ccav Phase s vt.F rertlary underoralne <br />feet Number. 1125 <br />JFl <br />te: July 32007 <br />!~~ <br />SMITH WIlL1AM5 CONSULTANTS, INC. <br />S~~ <br />Plow Through R.oekGll Based on Lepe,19'73 <br />V~=Wm06ls'''t <br />, is the seepage velocity <br />is an empirical constant (assumed to be 33 for stashed gravel [Wilkins. 1956]) <br />is the hydraulic mean radius <br />' is the gradient <br />s T. M. 1973. Alow thtoagh rockfill, P.mbanlmtent-Dam Engineering Casagrande Volume <br />'ted by Iiitschfeld R. C. and Poulos S. J.1ohn Wiley & Sons: 87-I07 <br />i0dns J. K. 1936. Flow of water through roctfill and its application to the design of dams. <br />'ags of the 2nd Australia-New Zealand Conference oo Soil Mechanics and <br />oundaaon F~giaeerittg. Gnteibury University Cokge, Christchurch, New Zedand, pp. <br />141-149. <br />0o Wilkins,19S6 atd reproduced Brow ieps,1973: <br />C] <br />Rock 5izc ~ ~~ _ r,'' +~ ~q's ~ ' Wmas .. <br /> <br />~ ~ Vim-) - ~M y <br />~~~-~ rv,~~ t <br />_ #~ao~,~, ~ <br />J,~ <br />(~~) ._; <br />0.75 0.09 ^~ ;.~ 0 rya,-. <br />2 0.24 ~ 0 rt9 ~ ~~ '~ 16 T <br />6 0.73 ~='.~0;87~ -~~- 29~.d: <br />8 0.96 0 f£;::-; k~ , `r ~2 ~, ,;% <br />24 3.11 ~ '.'fix ~ y~fG', 3g, ;~rr~s <br />48 6.43 2.. ~'~ s~,- i 84 . ~?~"~~ <br />1. Por momdaee ~ rmmR C, ~ 2d7, a =1.0 and w.33 <br />2 wm°S(or6islreclcbemuay nepakdalB ldaaa blgs, bet is alcvatN lerebla 29 idaee lased os Wiltln. <br />arlation Inpnt: <br /> <br />k D <br />(i <br />k <br />6 ~~ ~~ <br />A m <br />` <br />~ <br />~~ <br />n <br />m ; <br />_x <br />i <br />:;t <br />iieot (i)= 0.05 Must be less than 1.0 <br /> <br />v Area (ftt) = 6 ~ ~,_ ...~ ~~i~~~lt,~6im <br />i Rado (e) = 0.5 <br />or of Safety S <br />~ _~~ ~~ <br />~,,,-.~ } ;lineazty interpolated from above table <br />-` <br />~ <br />~ <br />, <br />5 <br />~ <br />s <br /> <br /> ~ ~ <br />c <br />ti ~ <br />V. ~ -*~ . ~" in/sec <br />Q V nA 09cfs <br />„~ <br />3 5 <br />' ~' ;tl`gpm ~ With FOS applied <br />Q- <br />1 ~ <br />',' z v z O:Q~` j mj/sec <br /> <br />® Oeotech2007.x1s <br />7117/2007 <br />10:21 AM <br />Golder AssoeWtea Inc <br />