Civil Engineering - Concrete Technology - Discussion

Discussion Forum : Concrete Technology - Section 4 (Q.No. 42)

Concrete Technology

42.

The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be

between 150 to 300 kg/cm²

between 350 to 600 kg/cm²

between 150 to 500 kg/cm²

below 200 kg/cm²

none of these.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

3 comments Page 1 of 1.

Shubham said: 9 years ago

Any explanation about answer? Describe it.

Vijay said: 8 years ago

I don't know exactly. But may be this could be reason .5cm=50mm size of aggregate. And 28 days strength is 200kg/cm2.

Krishan said: 8 years ago

In mass concrete low setting like foundation concrete which is below M20 concrete so strength can be below or not more than 200.

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