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modul aliran seragam.pdf

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karena G = ρ g Δx Δy y (y – z)<br />

maka persamaan (2) menjadi :<br />

ρ g Δx Δy y (y – z) sin θ - τ z Δx Δy y = 0 (3.3)<br />

Apabila dibagi Δx Δy persamaan (3) menjadi :<br />

τ z = ρ g (y – z) sin θ<br />

atau : τ z = ρ g i b (y – z) (3.4)<br />

dimana :<br />

sin θ = i b<br />

τ z = tegangan geser pada elevasi (y-z) dari<br />

permukaan air

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