Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 3 (Q.No. 17)
17.
Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capcities is
3/4
4/3
1.0
1.3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
17 comments Page 1 of 2.

Divya said:   10 years ago
Description please.

Sudeep said:   10 years ago
Correct answer is 3/4.

C = 0; D = 0.

Therefore, (qf)cir/(qf)sq = 0.3yBNq/0.4yBNq.

= 3/4.

Shubham said:   9 years ago
Yeah. The Correct answer is 3/4.

Priyanka said:   8 years ago
The correct answer is A.

Swastik said:   8 years ago
Correct answer is A.

Roy said:   8 years ago
It's 0.6/0.4=1.5.

Ietakshay said:   7 years ago
Given Ans 1.3 is correct.

Ratio = strength of circular section / Strength of Square section.

If We assumed Side or Dia. Is 4 cm.
And Load P is the same,
Then Ratio of ultimate stresses of circular to the square is;

= (P/12.56) / (P/16).
= P .16/P. 12.56.
= 1.3.

Mohd Tariq said:   7 years ago
The Correct answer is 3/4.

Jaydev kumar saha said:   7 years ago
Yes, agree the Correct answer is A.

Bhutan said:   6 years ago
Option A, 3/4 is correct.


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