Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 5 (Q.No. 32)
32.
Factor of safety adopted by IS : 800 - 1984 while arriving at the permissible stress in axial compression, is :
2.00
1.00
1.67
1.50
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ranjeeth goud said:   4 years ago
As per IS 800, the permissible stress in axial compression and tensions is 0.60fy.
FOS = yield stress/permissible stress.
FOS =fy/0.60fy = 1.67.
(1)

Manish Rajput said:   5 years ago
Permissible stress by 1984 is 0.6fy.

And we know that FOS=fy/PS=fy/0.6fy=1.6666666667.

Anand said:   6 years ago
The strength of concrete taken as 0.67fck.
In columns, strength is taken as 0.4 fck.
Safety= 0.67÷0.4=1.67.

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