Question: Problem 6 . 4 In a mountain debris flow sketched in Figure P 6 . 4 , determine the friction slope and - shear stress

Problem 6.4
In a mountain debris flow sketched in Figure P6.4, determine the friction slope and-shear stress at points A and B at the same flow depth, h=5ft. Use the Shields diagram to estimate the particle size at incipient motion. Find the Froude number and Darcy-Weisbach f, and say if the wave celerity exceeds the fluid velocity?
Problem 6 . 4 In a mountain debris flow sketched

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