Question

Identify the type of stone masonry.

(a) Dry rubble masonry

(b) Random rubble masonry

(c) Polygon rubble masonry

(d) Flint rubble masonry

The question was asked during an internship interview.

The query is from Classification of Stone Masonry in division Stone and Brick Masonry of Construction & Building Materials

Answer 1

The correct answer is (b) Random rubble masonry

To explain I would say: Random rubble masonry is the roughest and cheapest form of stone walling. In this type of masonry, the stone used are of widely different sizes. Larger stones are selected for quoins and Jambs to give increased strength and better appearance.