A flow net analysis was performed for estimating the seepage loss through the foundation of a coffer dam, results of the flow net analysis gave a number of flow line nf = 6 and number of drops nd =16. The head of water lost during seepage was 5m. Assume the co-efficient of permeability of the soil is k= 4x10-5 m/min. Estimate the seepage loss per meter length of the coffer dam per day. Also estimate the exit gradient if the average length of the last flow field is 0.9m.
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