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 1 of 4.
Mohsin said:
4 years ago
The Loss of prestress in the post-tensioning system is approx.
Agor said:
4 years ago
They asked for "minimum" strength of concrete. So that answer is option D. Because from the pre-tensioning (M40) and post-tensioning (M35), the minimum strength is M35.
(2)
RAJENDRA D said:
5 years ago
Answer is E, According to IS 1343:1980, page 15, Table 1 (note 2).
(1)
M.K.AJAY said:
5 years ago
@Binosh.
The answer is A.
Post-tensioning loss is less than pre-tensioning loss.
The answer is A.
Post-tensioning loss is less than pre-tensioning loss.
Asad said:
5 years ago
Right, thanks @Puni.
Tanmoy karmakar said:
6 years ago
For Post Tension Minimum Grade M30 and For Pre Tension Minimum Grade M40.
So the Answer is 300 kg/cm square.
So the Answer is 300 kg/cm square.
Ratandeep said:
6 years ago
@Binosh.
The answer is A.
The answer is A.
Viru Kapoor said:
7 years ago
Concrete grade used for post tension M30.
Pretensioning M40.
Pretensioning M40.
Ashok said:
7 years ago
Pre 40 and post 30.
(1)
Aushutosh said:
7 years ago
The Average of pre & post is taken here.
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