Exam 25: Movement Joints and Intersecting Walls

A good example of a _____ expansion joint is when brickwork is supported on steel angle irons that are bolted to the main structure.

A _____ joint is used to create a plane of weakness in conjunction with joint reinforcement.

When an intersecting wall is butted against the main wall with a mortar joint at the point of contact, it is usually called a _____ joint.

Cracks from movement are completely preventable in masonry.

Metal reinforcement wire especially made to tie intersecting walls is welded in the shape of a _____ .

By far, the most common movement joint a mason comes into contact with is the ______ .

Horizontal expansion joints must be placed below all shelf angle irons supporting brick masonry.

Concrete and concrete masonry Chapters have moisture and thermal movements that are very similar to those of brick masonry.

Structures are constantly moving.

Intersecting walls that carry the load of floors and roofs of buildings must also be able to stretch or flex.