Civil Engineering - Steel Structure Design - Discussion

Discussion Forum : Steel Structure Design - Section 3 (Q.No. 47)
47.
Assuming the values of maximum deviation ΔP and ΔE to be 25% of the computed value of P and E respectively, the minimum value of the factor of safety is
1.00
0.67
1.67
2.67
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
7 comments Page 1 of 1.

Pitamber said:   3 years ago
Please explain the answer with the formula.

Sandeep said:   4 years ago
Thank you for explaining the answer.

Bhaskar parwar said:   5 years ago
Thanks @Priya.

Akash said:   6 years ago
Thank you @Priya Prakash Varrier.
(2)

Prakash said:   6 years ago
Stress = F/A.
Stresd = 1.25F/.75A.
= 1.667*Stress.
Fos is directly related to stress.
So FOS = 1.67.
(3)

Priya said:   8 years ago
F.o.s.=1+ΔE/1-ΔP=1+0.25/1-0.25=1.67.
(7)

GHANSHYAM said:   8 years ago
Please someone explain me.

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