What is the value of the minimum depth for laying foundations below the ground level?

In a two way slab, the reinforcement is provided:

If M is the bending moment, E is the modulus of elasticity and I is the polar moment of Inertia then, what is the value of the strain energy stored by an elastic member which is subjected to bending?

________________ is the line having zero declination.

___________ is an assembly of over-lapping photographs.

The above given symbol is used for indicating:

What is an FHA Loan?

What is a fence?

What is FEMA an acronym for?

What are expansive soils?

What does ERBS stand for?