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Which form of brick stone composite masonry is commonly used at locations where rubble stone is available in huge amounts, but ashlar is not available?(a) Brick-backed ashlar masonry(b) Brick-backed stone slab facing(c) Rubble-backed brick masonry(d) Stone-backed masonryI got this question in my homework.The origin of the question is Stone Composite Masonry topic in division Composite Masonry of Construction & Building Materials

Answer»

The correct option is (C) Rubble-backed brick MASONRY

For EXPLANATION I would say: Bricks and stones can be SIMULTANEOUSLY used in THREE forms of composite masonry – brick-backed ashlar masonry, brick-backed stone slab facing and rubble-backed brick masonry. In brick-backed ashlar masonry, alternate courses of ashlar are present. Brick-backed stone slab facing is composed of bricks which are laid in courses with proper bonds whereas rubble-backed brick masonry is usually used at locations where rubble stone is available in huge amounts, but ashlar is not available.



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