For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust
A. Is increased
B. Is decreased
C. Remains unchanged
D. Becomes zero
Answer: Option C
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Comments ( 3 )
A. 5 mm less than the minimum clear distance between the main bars
B. 5 mm less than the minimum cover to the reinforcement
C. Smaller of A and B
D. Greater of A and B
The fixed support in a real beam becomes in the conjugate beam a
A. Roller support
B. Hinged support
C. Fixed support
D. Free end
A. The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
B. The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
C. The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
D. None of the above
option b is correct.
Good explain
Horizontal thrust is not much affected by vertical movement of support as compared to side movements. When ur support settles horizontally, Thrust decreases bcz of the temperature stresses. And bending moment increases as well.
Is ko counter krny k lye 2 hinged mein ik support ko roller bnadety hain, aor arch ki rise ko increase kar dety hain.