Design of Staircases
In ___________ types of stairs, the steps radiate from the centre and they do not have either any landing or any intermediate Newel post.
The ___________ stairs are useful where the space available is limited and where the traffic is less.
_________ stairs have any geometrical shape and they require no newel posts.
The stairs which are kept in motion by a revolving drum is known as a _______
According to IS 456:2000, what is the minimum thickness of a waist slab to prevent excessive deflection?