Question

_____________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete.

(a) Cement concrete arches

(b) Cement arches

(c) Concrete arches

(d) Rubble arches

This question was posed to me in class test.

My question is from Types of Arches in portion Arches, Lintels, Stairs and Formwork of Construction & Building Materials

Answer 1

Correct choice is (c) Concrete arches

To explain: In Concrete arches, the blocks are similar to stone and are prepared by Casting cement concrete in specially prepared mould. The Monolithic concrete at these are constructed from cast in situ concrete and are suitable for big spans.