Civil Engineering - RCC Structures Design - Discussion

Discussion Forum : RCC Structures Design - Section 5 (Q.No. 3)
3.
As the percentage of steel increases
depth of neutral axis decreases
depth of neutral axis increases
lever arm increases
lever arm decreases
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

RANJAN PATRA said:   9 years ago
PT% = 100 AST/BD.

Then the answer is option A.

Krishna rai said:   1 decade ago
Because if steel is increased the tensile strength is increased manifold so large compressive force is required to counteract this force. Larger comp.force larger nu.depth.

Ami said:   1 decade ago
With increase in % of steel, section tends to become over reinforced. And concrete tends to fail prior to steel.


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