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
Discussion:
37 comments Page 2 of 4.
PRASHANT said:
7 years ago
Here question is prestresses concrete not pre or pro-tension so, option 4 is right.
Mantu said:
7 years ago
Prestressed - minimum 35& maximum -40grade of concrete is used.
So, 35N/mm^2 or 350kg/cm^2 is correct.
So, 35N/mm^2 or 350kg/cm^2 is correct.
V yafav said:
7 years ago
M35 exposed to the sea coast and for submerged or partially M40 uses.
Chander said:
7 years ago
Yes, right @Sudhakar @Paddy.
Mannu said:
8 years ago
As per is code, m40 is min grade for prestress so answer should be 400.
Farhan beigh said:
8 years ago
Pretensioning is 40N/mm2 and post tensioning is 30N/mm2.
Chintan said:
8 years ago
As per new code 2012 above answer is correct.
Paddy said:
8 years ago
Pre Tension = M40.
Post Tension = M30.
Post Tension = M30.
Yogesh said:
8 years ago
What is maximum grade can be used?
Krishna said:
8 years ago
Minimum grade for pre-tension - M40.
Minimum grade for post-tension - M35.
Minimum grade for post-tension - M35.
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