Question

What will be the design load for bridges and culverts on National Highway?

(a) I.R.C. Class-D loading

(b) I.R.C. Class-C loading

(c) I.R.C. Class-A loading

(d) I.R.C. Class-B loading

I got this question in my homework.

My question is from General Specifications of Modern Road topic in chapter Specifications, Estimation of Quantities of Materials and Transport of Civil Engineering Drawing

Answer 1

Right option is (c) I.R.C. Class-A loading

The explanation is: IRC a body of professional highway engineers provides the following services:

 (i) It provides a forum for expression of collective opinion of its members for all matters affecting the construction and maintenance of roads in India.

(ii) It promotes the use of the standard specifications and practices.

(iii) It provided with the suggestions for the better methods of planning, designing, construction, administration and maintenance of roads.

(iv) It conducts periodical meetings to discuss technical problems regarding roads.

(v) It makes the laws for the development, improvement and protection of the roads.

(vi) It furnishes and maintains libraries and museums for encouraging the science of road making.