Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 4 (Q.No. 30)
30.
The losses in prestress in pre-tensioning system are due to :
1. elastic deformation of concrete when wires are tensioned successively
2. friction
3. shrinkage and creep of concrete
Select the correct answer using the codes given below:
1. elastic deformation of concrete when wires are tensioned successively
2. friction
3. shrinkage and creep of concrete
Select the correct answer using the codes given below:
Discussion:
5 comments Page 1 of 1.
Sadashiva said:
7 years ago
Loss of prestress in the pretensioning system.
1) Elastic deformation of concrete(Elastic shortening of concrete).
2) Creep and shrinkage of concrete.
3) Relaxation of steel.
4) Creep of steel or loss due to stress Relaxation.
1) Elastic deformation of concrete(Elastic shortening of concrete).
2) Creep and shrinkage of concrete.
3) Relaxation of steel.
4) Creep of steel or loss due to stress Relaxation.
Karry said:
10 years ago
Why friction losses are considered as they comes only in post tension pre stressed concrete?
VICKY said:
8 years ago
Yes, in pre-tensioning no friction and anchorage grip loss.
Vivek said:
7 years ago
Yes, D is the correct answer.
Shiva said:
8 years ago
Option D is correct.
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