Civil Engineering - GATE Exam Questions - Discussion

32. 

Factor of safety adopted by IS : 800 - 1984 while arriving at the permissible stress in axial compression, is :

[A]. 2.00
[B]. 1.00
[C]. 1.67
[D]. 1.50

Answer: Option C

Explanation:

No answer description available for this question.

Anand said: (Jan 5, 2019)  
The strength of concrete taken as 0.67fck.
In columns, strength is taken as 0.4 fck.
Safety= 0.67÷0.4=1.67.

Manish Rajput said: (Jun 23, 2019)  
Permissible stress by 1984 is 0.6fy.

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

Ranjeeth Goud said: (Jun 22, 2020)  
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.

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