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 2 of 4.

Krishna said:   8 years ago
Minimum grade for pre-tension - M40.

Minimum grade for post-tension - M35.

Mannu said:   8 years ago
As per is code, m40 is min grade for prestress so answer should be 400.

V yafav said:   7 years ago
M35 exposed to the sea coast and for submerged or partially M40 uses.

Irfan khan said:   9 years ago
Right @Saksham.

The min grade of concrete for pre tension is m40.

RAJENDRA D said:   5 years ago
Answer is E, According to IS 1343:1980, page 15, Table 1 (note 2).
(1)

Sudhakar said:   9 years ago
M35 for Post-tensioned concrete.

M40 for Pre-tensioned concrete.

Mohsin said:   4 years ago
The Loss of prestress in the post-tensioning system is approx.

Pawan yadav said:   8 years ago
Min grade of pre-tension m40.

Min grade of post-tension m35.

Viru Kapoor said:   7 years ago
Concrete grade used for post tension M30.

Pretensioning M40.

Mohit said:   1 decade ago
But in presented concrete min grade of concrete used is M40.


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