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<br />) <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />:1 <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />uAM FAILURE DISCEARG2 <br /> <br />DAM: .,;:?;;/) rt:.E-r:, <br /> <br />W. Di'". <br /> <br />/ <br /> <br />\V. <br /> <br />0;':'" I <br />.-__t.. <br /> <br />DATE: <br /> <br />$//5 <br />0/MO <br /> <br />co- <br /> <br />BY: <br /> <br />PHYSICAL DATA: <br />Height, H= d1"Ft. Freeboard, i-8= !/?.,- rt. <br /> <br />H-FB=Yo = 4.:3 <br /> <br />rt. <br /> <br />Crest \Vidth, Wc = <br /> <br />/,~_ 1__ <br /> <br />Capacity, V = 6/ f0"- <br /> <br />Ac. Ft. <br /> <br />Embankment Slopes, 2:1: <br /> <br />Upstream = 3 : 1 - <br /> <br />Downstream = <br /> <br />-, .; <br />t:...-- <br /> <br />Crest Lengt h, LC = ll/?/) rt.- <br /> <br />Sur f ac(~ Area,A = <br /> <br />J::/ -, <br />9',-, \c. <br /> <br />( H + 10) /.W = <br />5 'c <br /> <br />/ "1/ C,~ <br /> <br />(H6.01 ) (LC-.543 ) (A4.45)(V-S.3.9)= <br /> <br />--- <br />For V/H<200 , .min. 0.5~K2~1.5 max. <br />For 200-==V/H=lOOO, min. O.05~K?=1.5 max. <br />For V/I-J>lOOO , min. 0.005~K2-;;:.1.5 mn:C <br /> <br />min. 0.5:: K1:: 1.5 max. <br /> <br />use Kl = /. ? Ii <br /> <br />use K2:::; 0, 5" <br /> <br />5 1/2 <br />( )' = <br />21 + 22 <br /> <br />K4 =. erosiveness of emb~'t. mat'l. <br /> <br />use K3 = <br /> <br />, <br />I- <br /> <br />I <br />I <br />I <br /> <br />0.5 ~" L <br />1\.4 - <br />tight <br /> <br />1.0 ::: K4 - <br />stable <br /> <br />1 .5 <br />erosive <br /> <br />min. 0.5 ::: K3 == 1.5 max. <br /> <br />use K4 = .j, C! <br /> <br />Est'd. peak 'dry failure' flood discharge, Q cfs <br /> <br />Yo. . <br />K =H x Kl x. K2 x K3 x K4 := <br /> <br />-0.10 <br />T = (3.37)(V.093)(e-1.7KV" . ) = 5,/~:: <br /> <br />..~, >o.J\ c!/'~< <br /> <br />!-Irs. ....... <br /> <br />Q = 2V x 43560 = ( <br />p T x 3600 ( <br /> <br />) x 24. 2 - <br />) <br /> <br />.'/ "'! 1''':1 ,-. {) - <br /> <br />cis <br />