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Question
Consider the following statements:
1. Even though a three-hinged parabolic arch is subjected only to vertical loads, It generates horizontal reactions and axial forces.
2. A cable uniformly loaded along the horizontal span assumes the shape of a parabola, whereas a cable uniformly loaded along its length takes the shape of a catenary.
3. Cables loaded uniformly along the horizontal span are by far the types most commonly used structures in practice.
Which of these statements is/are correct?
Consider the following statements:
1. Even though a three-hinged parabolic arch is subjected only to vertical loads, It generates horizontal reactions and axial forces.
2. A cable uniformly loaded along the horizontal span assumes the shape of a parabola, whereas a cable uniformly loaded along its length takes the shape of a catenary.
3. Cables loaded uniformly along the horizontal span are by far the types most commonly used structures in practice.
Which of these statements is/are correct?
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Solution
The correct option is A 1, 2 and 3
A three hinged parabolic arch develops horizontal thrust and vertical reactions. Due to these reaction components the arch is subjected to axial force (normal thrust) at every point.
Cables form an important structural component in suspension bridges and they are subjected to uniformly distributed loading throughout their horizontal span. Thus these type of loaded cables are most widely used.
A three hinged parabolic arch develops horizontal thrust and vertical reactions. Due to these reaction components the arch is subjected to axial force (normal thrust) at every point.
Cables form an important structural component in suspension bridges and they are subjected to uniformly distributed loading throughout their horizontal span. Thus these type of loaded cables are most widely used.
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