In rubble masonry, a sharp edge formed by two planes is known as
- AArrisCorrect
- BBed joint
- CFlash
- DJoggle
Solution
Concept
Arris in rubble masonry construction
Formula
NONE
Step-by-step solution
1. In masonry terminology, an arris is traditionally defined as a sharp edge formed by the junction of two surfaces or planes. Answer: A
Explanation
An arris is defined as the sharp edge formed by the intersection of two surfaces or planes in masonry work. It defines the crisp outline of dressed stone or brickwork. Therefore, option A correctly identifies this feature.
Why the other options are wrong
B) A bed joint is a horizontal mortar layer on which masonry units are placed. D) A joggle is a joint or key used to prevent sliding between adjacent stone blocks.
Shortcut
Arris is the sharp edge formed where two planes meet in masonry.
Common mistake
Confusing "Arris" with other masonry features like "Bed joint" or "Joggle".
Correct answer: A) Arris