Section A
Q1.
(a) (i) Name any six tools for cutting and dressing stones. (ii) What are the impurities in lime and how do they affect the cementing properties?
(b) A short column of 3 m effective height is subjected to an ultimate load of 1400 kN. Cross section of the column is 300 × 600 mm. The reinforced concrete column consists of 8 longitudinal reinforcing bars of 20 mm diameter as shown. M25 grade concrete and Fe500 grade are used. Obtain its ultimate moment carrying capacity only about its major axis. Effective cover to the longitudinal reinforcing bars is 60 mm.