Civil Engineering - Theory of Structures - Discussion

1. 

The assumption in the theory of bending of beams, is :

[A]. material is homogeneous
[B]. material is isotropic
[C]. Young's modulus is same in tension as well as in compression
[D]. each layer is independent to expand or to contract
[E]. all the above.

Answer: Option E

Explanation:

No answer description available for this question.

Myat Naing said: (Aug 28, 2015)  
Why is each layer independent to expand or to contract?

Mahesh said: (Jan 5, 2017)  
In case of pure bending shear is assumed to be zero that is there is no force of resistance for one layer of material to slide over other and hence each layer is independent to expand and contract.

Peace Ojo Osagie said: (Oct 11, 2017)  
If it expands, won't it lead to deformation?

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