Determine the required spacing of joists supporting

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1.Uniform flow occurs in a rectangular channel 3.05 m (10.0 ft) wide and 1.52 m (5.0 ft) deep. Compute the mean shear stress on the channel perimeter if the channel slope is 0.001. Compute the velocity, discharge rate, and critical depth in the channel for a Manning roughness coefficient of 0.015.

2.Determine the required spacing of joists supporting 3/4in. thick plywood that is to support an 8 in. concrete floor slab, assuming a construction live load of 50 psf and a formwork dead load of 10 psf. Use plywood with f' b= 1930 psi.

Reference no: EM13564979

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