To reduce early-age shrinkage plastic cracking in hot, windy desert site conditions, the best on-site action is which?
Choices
- (A) Continuous moist curing of exposed surfaces (evaporation control)
- (B) Postpone 28-day testing only
- (C) Increase w/cm regardless
- (D) Skip finishing to save time
Correct answer: (A)
Continuous moist curing of exposed surfaces (evaporation control)
Explanation
ACI 305/302 heat guidance: limit evaporation rate (curing, wind screens).