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Q: When a masonry wall is known as a shear wall?
  • A. If the earthquake load is in plane
  • B. If the earthquake load is out of plane
  • C. If it is unreinforced
  • D. If it is placed as infill to the frame
Correct Answer: Option A - A masonry wall is known as a shear wall when the earthquake loads is in plane. This means that the lateral force acting on the wall are parallel to the plane of the wall. • When the earth quake load is out of plane the wall is subjected to bending forces rather than pure shear force, and it may not be able to resist these forces effectively.
A. A masonry wall is known as a shear wall when the earthquake loads is in plane. This means that the lateral force acting on the wall are parallel to the plane of the wall. • When the earth quake load is out of plane the wall is subjected to bending forces rather than pure shear force, and it may not be able to resist these forces effectively.

Explanations:

A masonry wall is known as a shear wall when the earthquake loads is in plane. This means that the lateral force acting on the wall are parallel to the plane of the wall. • When the earth quake load is out of plane the wall is subjected to bending forces rather than pure shear force, and it may not be able to resist these forces effectively.