Question

______ type of ashlar masonry occupies an intermediate position between the rubble masonry and ashlar masonry.

(a) Ashlar Chamfered masonry

(b) Ashlar facing masonry

(c) Ashlar block-in-course masonry

(d) Ashlar rough tooled masonry

This question was addressed to me by my school principal while I was bunking the class.

Query is from Classification of Stone Masonry topic in division Stone and Brick Masonry of Construction & Building Materials

Answer 1

The correct choice is (c) Ashlar block-in-course masonry

For explanation: In Ashlar block-in-course masonry, the faces of the stones are generally hammer dressed and the thickness of mortar joints does not exceed 6 mm. These type of construction is used for heavy Engineering Works such as a retaining walls, sea walls, etc. and in some cases is may be also adopted for public buildings.