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<br />FLOW THROUGH ROCKFILL <br />BASED UPON EON: W=W*m^0.5*i^0.54 <br />ENTER ROCK D50 (n)= 0.375 <br />GRADIENT (~= 0.03 <br />ROCK XAREA (SOFT 11.6 <br />CALCULATE W*m^0.5= 6.843227 (in/sec) ' <br />Vv= 1.030164 (iNsec) <br />TOTAL FLOW= 1.00 (cfs) = 446.93 <br />From Wilkins (1956) <br />ROCK SIZE W*m^0.5 <br />(in) (in/sec) <br />0.75 10 <br />2 16 <br />6 28 <br />8 32 <br />24 58 <br />48 84 <br />(9Pm) <br />