## Why is M-sand not applicable for a slab construction? - The Construction and Design of Concrete Slabs on Grade

Chajjas and verandahs are a practical example of one way slab. 2. Two Way Slab: Two way slab is supported by beams on all the four sides and the loads are carried by the supports along with both directions, it is known as two way slab. In two way slab, the ratio of longer span (l) to shorter span (b) is less than 2.Build and Set the Concrete Slab Form. Mark off four sections of the two-by-fours each measuring 3 feet, 3 inches, and use the circular saw or electric miter saw to cut them. Drive the 16d galvanized nails into the boards to build the form. Place the form on the sub-base. Cut four scrap pieces of two-by-four to about 12 inches long and sharpen ...