Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 1 (Q.No. 25)
25.
The minimum cube strength of concrete used for a prestressed member, is
50 kg/cm2
150 kg/cm2
250 kg/cm2
350 kg/cm2
400 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
37 comments Page 3 of 4.

Saurav said:   9 years ago
Minimum grade for pre stressed M45 & post stressed M-35.

Avinash said:   9 years ago
How to calculate 350 Kg/cm2? Please explain the solution.

Farhan beigh said:   8 years ago
Pretensioning is 40N/mm2 and post tensioning is 30N/mm2.

Akshay said:   9 years ago
@Binosh.

It is (a). In post, tension losses are less.

Saksham said:   10 years ago
Answer is incorrect min grade for pretension is m-40.

Puni said:   8 years ago
Pre-tension = 40 N/mm2.
Post-tension = 30 N/mm2.

Chintan said:   8 years ago
As per new code 2012 above answer is correct.

Kuldeep said:   9 years ago
What minimum bread of concrete used in RCC?

Aushutosh said:   7 years ago
The Average of pre & post is taken here.

Paddy said:   8 years ago
Pre Tension = M40.

Post Tension = M30.


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