Civil Engineering - UPSC Civil Service Exam Questions - Discussion


A three-hinged symmetric parabolic arch is hinged at the springing and at the crown. The span and rise are 40 m and 10 m respectively. The left half of the arch is loaded with U.D.L. of 3 t/m. The horizontal thrust at the springings will be

[A]. 15 t
[B]. 20 t
[C]. 20 t
[D]. 40 t

Answer: Option C


No answer description available for this question.

Mahesh said: (Jan 6, 2018)  
The correct Ans is 30t.

w*l*l/16h = 2 * 40* 40/ (16*10)= 30t.

Amith S said: (Apr 22, 2018)  
30t is the answer.

Goofy said: (Mar 14, 2019)  
30 t is the right answer.

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