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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.

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Question 140 of 176