Reinforced Concrete and Brick Masonry Structures

To develop complete yield line pattern the slab must be

• a) Under reinforced

• b) Over reinforced

• c)Both a and b

• d) None of the above

The slab is said to be orthotropically reinforced, when the reinforcement is arranged in

• a) Single direction

• b) Two direction at right angles with equal reinforcement meshes

• c)Corners only

• d) Two direction at right angles with unequal reinforcement meshes

Which of the following is not the characteristic feature of the yield line?

• a) Yield line end at a slab boundary

• b) Yield lines are parabolic shape

• c)Axis of rotation generally lie along the line of supports

• d) None of the above

Virtual work method is based on the principle

• a) External work done = Internal work done

• b) External work done+Internal work done

• c) External work done-Internal work done

• d) External work done / Internal work done

Virtual work method and equilibrium method gives------------ to the collapse load on the slab

• a)Upper bound

• b) Lower bound

• c) Both (a) and (b)

• d) None of the above