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s • <br />FLOW THROUGH ROCKFILL <br />BASED UPON EQN: Vv~ W*m ^ 0.5*i ^ 0.54 <br />ENTER ROCK D50 (n)= 1.5 <br />GRADIENT ()= 0.03 <br />ROCK XAREA (SOFT 10 <br />CALCULATE W*m^0.5= 13.93044 (Nsec) ' <br />Vva 2.097057 (Nsec) <br />TOTAL FLOW= 1.75 (cfs) = 784.30 <br />From Wilkins (1956) <br />ROCK SIZE W*m ^0.5 <br />(n) {in/sec) <br />0.75 10 <br />2 16 <br />6 28 <br />8 32 <br />24 58 <br />48 84 <br />(9Pm) <br />