During a hot-sun slab pour, which habit best limits plastic shrinkage cracking per sound site practice?
Choices
- (A) Let the surface skin completely before any curing
- (B) Start scheduled wet curing or sheeting right after specified finishing and avoid peak heat where practical
- (C) Delay misting until two days later ad hoc
- (D) Raise mix water above design without approval
Correct answer: (B)
Start scheduled wet curing or sheeting right after specified finishing and avoid peak heat where practical
Explanation
Early curing slows surface evaporation gradients.