The bond in which headers and stretchers are laid in alternate courses and every stretcher course is started with a three fourth brick bat, is known as
A. English cross bond
B. Dutch bond
C. Monk bond
D. Rat-trap bond
Answer: Option B
Solution (By Examveda Team)
The Dutch bond is a modified form of the English bond. In this bond, headers and stretchers are laid in alternate courses, similar to the English bond.The distinguishing feature is that each stretcher course starts at the quoin with a three-quarter brick bat. In alternate stretcher courses, a header is also placed next to the three-quarter brick bat to provide proper bonding at the corner.
Option A: English cross bond
Incorrect. Although it is related to the English bond arrangement, the use of a three-quarter brick bat at the beginning of every stretcher course is a characteristic feature of Dutch bond.
Option B: Dutch bond
Correct. In Dutch bond, alternate courses consist of headers and stretchers, and every stretcher course starts with a three-quarter brick bat.
Option C: Monk bond
Incorrect. Monk bond is a type of garden-wall bond in which the arrangement of headers and stretchers differs from the Dutch bond.
Option D: Rat-trap bond
Incorrect. Rat-trap bond is a cavity-type brick masonry arrangement in which bricks are laid on edge to create a cavity within the wall.
Hence, Option B — Dutch bond is the correct answer.
This Question Belongs to Civil Engineering >> Building Construction
Dutch bond is a modification of the English bond. It consists of alternate courses of headers and stretchers. In this bond, each stretcher course starts with a three-fourth brick bat (instead of introducing a queen closer in the header course) to create the necessary vertical joint offset.
English cross bond also uses alternate header and stretcher courses, but it introduces a queen closer in the heading course and starts alternate stretching courses with a header.
Monk bond is a variation of the Flemish bond, using two stretchers followed by one header in every course.
Rat-trap bond is a cavity wall masonry bond where bricks are laid on edge rather than flat, reducing material costs.
Why
Please tell me Dutch , monk & rat trap bond