The coefficient of earth pressure for active state of plastic equilibr – McqOptions

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1.	The coefficient of earth pressure for active state of plastic equilibrium in terms of sine function is _______
A.	\(K_a=1-sinφ\)
B.	\(K_a=\frac{1-sinφ}{1+sinφ} \)
C.	\(K_a=\frac{1+sinφ}{1-sinφ} \)
D.	Kₐ=1+sinφ
Answer» C. \(K_a=\frac{1+sinφ}{1-sinφ} \)

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