NV C-5 Concrete Practice Questions - Nevada C-5 Concrete Contractor Examination Exam

What is the purpose of a contraction (control) joint in a slab-on-ground?

To carry moment from one panel into the next as a rigid frame To create a planned weakened plane so shrinkage cracks form in a straight line To isolate the slab from a column or wall To serve as a construction joint for the next day's pour only

Correct Answer:

To create a planned weakened plane so shrinkage cracks form in a straight line

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