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

Why are pavement and sidewalk forms cleaned and oiled before concrete is placed against them?

To stain the concrete edge dark brown To prevent the concrete from bonding to the form so the form can be stripped without spalling the edge To increase the slump at the edge To replace curing compound on the top surface

Correct Answer:

To prevent the concrete from bonding to the form so the form can be stripped without spalling the edge

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