A prestressed concrete beam used over a span of 6m is 100mm wide and 3 – McqOptions

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1.	A prestressed concrete beam used over a span of 6m is 100mm wide and 300mm deep, live load of 4kn/m, density of concrete is 24kn/m3, modulus of elasticity of concrete is 36 and steel is 210kn/mm2. Find rotation due to loads(sagging moment)?
A.	0.005
B.	0.00525
C.	0.0024
D.	0.0045
Answer» E.

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