What are the various types of Staircases used in building?
The stairs are classified as follows:- (i) Straight stairs (ii) Turning stairs (a) Quarter turn stairs (b) Half turn stairs (c) Three-quarter turn stairs (d) Bifurcated stair. (iii) Circular or helical or spiral stairs. (i) Straight stairs: In a straight staircase, all the steps lead in one direction. It is...