Computer · Concrete Technology
According to standard concrete durability recommendations, which of the following statements is correct regarding the maximum water-cement ratio by weight?
- 1For massive concrete structures which remain continuously underwater, the water-cement ratio should be 0.85
- 2For thin structures which remain continuously underwater, the water-cement ratio should be 0.65
- 3For mass concrete structures subjected to alternative wetting and drying, the water-cement ratio should be 0.75
- 4For thin structures subjected to alternative wetting and drying, the water-cement ratio should not exceed 0.45✓
Correct answer
For thin structures subjected to alternative wetting and drying, the water-cement ratio should not exceed 0.45
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