An arch can be treated as a curved beam

The stress caused by different loads c an be superimposed by

Influence line is

Influence lines are drawn for structures

Young’s modulus is the ratio of the normal stress to the

The line showing the variations of stress function at a given point due to a unit load moving on a span is known as

According to steel beam theory of doubly reinforced beams

The durability of concrete is affected by

Modulus of elasticity for concrete improves by