Civil Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 5 (Q.No. 13)
13.
A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be three times the maximum tensile stress, centre of gravity of the section from flange side is
h/4
h/3
h/2
2/3 h.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Sandya said:   5 years ago
Explain with diagram?

Sandya said:   5 years ago
Explain it.

Inayat Ullah Kakar said:   9 months ago
By using the Critical neutral axis.

We know that
C/x = T/(h-x).
If:
C = compression = 1,
T = tension = 3,
1/x = 3/(h-x).
x = h/4.

Then the given answer is correct.
(2)


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