Design for the maximum allowable slope pf the channel bed

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Reference no: EM13305132

A trapezoidal channel of base width 30 ft and side of slope of 2H:1V is excavated in alluvial country, a sieve analysis of which gives a D- size of 2 in. The channel, which will be unlined, is to carry discharge of 1250 cfs under uniform flow condition and the velocity is not to be exceed 5 ft/sec. Design for the maximum allowable slope pf the channel bed. ( use the empirical formula for Manning's roughness n=0.031 (d) ^1/6 where sieve size d is measure in ft).

Reference no: EM13305132

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