What is a floor slab? ?

A reinforced concrete slab supported directly by concrete columns without the use of beams

What is M-sand? ?

Manufactured sand

What are the uses of Column Head? ?

01,Increase shear srength of slab 02,Reduce the moment in the slab by reducing the clear or effective span

Use of drop panels in slab? ?

Increase shear strength of slab, Increase negative moment capacity of slab, Stiffen the slab and hence reduce deflection