Question

Which masonry material is used for cost reduction?

(a) Stone blocks

(b) Concrete blocks

(c) Laterite blocks

(d) Cement blocks

I had been asked this question in exam.

I would like to ask this question from Cost Effective Construction Techniques in section Building Construction of Basic Civil Engineering

Answer 1

Right choice is (b) Concrete blocks

To explain I would say: Concrete blocks consume only 1/3^rd of energy used in the production of red bricks. It reduces the wall thickness from 20 to 15cm, and mortar also. Overall reduction in the cost of 10 to 25% can be achieved.