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### For adding 4 liters of water in 1 cu.m freshly mixed concrete

1. The slump value will be increased by 25 mm.

2. The compressive strength of concrete will be decreased by 1.5 to 2.0 N/mm2

3. The shrinkage potential will be increased by 10%.

4. 1/4 bag of cement will be wasted.

### If the temperature of freshly mixed concrete is increased by 1%, then

1. 4 liters of water per cu.m will give equal slump.

2. The air content will be decreased by 1%.

3. The compressive strength of concrete will be decreased by 1.0 to 1.5 N/mm2.

### If the air content of freshly mixed concrete is

1. Increased by 1% then the compressive strength will be decreased by 5 %.

2. Decreased by 1%, yield will be decreased by 0.03 cu.m per 1 cu.m.

3. Decreased by 1%, then the slump value will be decreased about 12.5 mm.

4. Decreased by 1%, then the durability of the concrete will be reduced by 10%.

IF THE AIR CONTENT OF FRESHLY MIXED Concrete Is Decreased by 1%, then the durability of the concrete will be reduced by 10%.? Is it true?

Knowledgeable for civil engineering

Nice site knowledge improve

Which types of precaution taken in hot weather pls suggest

Hey, you can check out this article

http://www.dailycivil.com/hot-weather-concreting-precautions/

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