A long CMU corridor wall has no control joints shown near a re-entrant corner, and shrinkage cracking is likely to concentrate there. What is the best preconstruction action?
Correct Answer
C) Coordinate the control-joint layout with the designer before laying the affected wall
CMU walls need planned crack control, and re-entrant corners are common stress concentrators; the joint layout should be coordinated before construction. Other choices deny shrinkage, wait for damage, or use sealant indiscriminately.
Why This Is the Correct Answer
CMU walls need planned crack control, and re-entrant corners are common stress concentrators; the joint layout should be coordinated before construction. Other choices deny shrinkage, wait for damage, or use sealant indiscriminately.
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