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.
Binosh said:
9 years ago
Prestressing losses in post-tensioned and pre-tensioned beams are respectively.
A) 15% and 20%
b) 20% and 15%
C) 15% and 15%
d) 20% and 20%.
Please tell me the answer.
A) 15% and 20%
b) 20% and 15%
C) 15% and 15%
d) 20% and 20%.
Please tell me the answer.
(3)
Akshay said:
9 years ago
@Binosh.
It is (a). In post, tension losses are less.
It is (a). In post, tension losses are less.
Pawan yadav said:
8 years ago
Min grade of pre-tension m40.
Min grade of post-tension m35.
Min grade of post-tension m35.
Makar said:
8 years ago
This option is correct min grade 35.
Debojyoti said:
8 years ago
I think E is the correct answer.
BHASKAR MANNA said:
8 years ago
It is not clear from the question whether the prestressed concrete is pre-tension or post-tension.
If pre-tension = 40 N/mm2.
Post-tension = 35 N/mm2.
If pre-tension = 40 N/mm2.
Post-tension = 35 N/mm2.
Puni said:
8 years ago
Pre-tension = 40 N/mm2.
Post-tension = 30 N/mm2.
Post-tension = 30 N/mm2.
Krishna said:
8 years ago
Minimum grade for pre-tension - M40.
Minimum grade for post-tension - M35.
Minimum grade for post-tension - M35.
Yogesh said:
8 years ago
What is maximum grade can be used?
Paddy said:
8 years ago
Pre Tension = M40.
Post Tension = M30.
Post Tension = M30.
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