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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
Correct answer is option 'C'. Can you explain this answer?
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For a two-hinged arch, if one of the supports settles down vertically,...
Explanation:
A two-hinged arch is a structure made up of a curved beam supported at two points called hinges or supports. The horizontal thrust is the force that is generated by the arch to counteract the external loads acting on it. If one of the supports of a two-hinged arch settles down vertically, then the following changes occur:
1. Vertical Reaction: The vertical reaction at the settled support increases due to the settlement. The vertical reaction at the other support remains the same.
2. Horizontal Thrust: The horizontal thrust of the arch is a function of the vertical reactions at the supports. As the settled support has increased vertical reaction, the horizontal thrust also increases. However, the increase in horizontal thrust is counteracted by the decrease in the span of the arch due to the settlement. Hence, the overall effect on the horizontal thrust is negligible.
3. Bending Moments: The bending moments at the supports increase due to the increase in the vertical reactions.
Therefore, the correct answer is option C - the horizontal thrust remains unchanged.
A two-hinged arch is a structure made up of a curved beam supported at two points called hinges or supports. The horizontal thrust is the force that is generated by the arch to counteract the external loads acting on it. If one of the supports of a two-hinged arch settles down vertically, then the following changes occur:
1. Vertical Reaction: The vertical reaction at the settled support increases due to the settlement. The vertical reaction at the other support remains the same.
2. Horizontal Thrust: The horizontal thrust of the arch is a function of the vertical reactions at the supports. As the settled support has increased vertical reaction, the horizontal thrust also increases. However, the increase in horizontal thrust is counteracted by the decrease in the span of the arch due to the settlement. Hence, the overall effect on the horizontal thrust is negligible.
3. Bending Moments: The bending moments at the supports increase due to the increase in the vertical reactions.
Therefore, the correct answer is option C - the horizontal thrust remains unchanged.
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For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrusta)Is increasedb)Is decreasedc)Remains unchangedd)Becomes zeroCorrect answer is option 'C'. Can you explain this answer?
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