SC Concrete Paving Practice Questions - South Carolina Concrete Paving Contractor Examination Exam

Why must pavement dowel bars be aligned parallel to the centerline and to the slab surface?

Misaligned dowels lock the joint, causing cracking or blowups when the slab tries to move Alignment only affects paint-stripe location Crooked dowels increase slump OSHA requires dowels to be placed at 45 degrees

Correct Answer:

Misaligned dowels lock the joint, causing cracking or blowups when the slab tries to move

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