A recent development known as the ___________ roof has combine the advantages of flat roofs and curved roof.
A recent development known as the ___________ roof has combine the advantages of flat roofs and curved roof. Correct Answer Doubly curved tile
Here, the precast units of cement concrete tiles are prepared at the site. The size of the tile is kept about 700 mm x 700 mm with a uniform thickness of at least 20 mm. The cement concrete of proportion 1:2:4 is adopted and the units are properly cured.
