What is the best type of joint to absorb the movement caused by thermal expansion in buildings constructed using prefabricated materials?
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A.
Expansion joint
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B.
Riveted joint
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C.
Threaded joint
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D.
Welded joint
Correct Answer:
A. Expansion joint
Explanation:
The correct answer is Expansion joint.
Expansion joints are specifically designed to safely manage the expansion and contraction of building materials caused by temperature fluctuations. In prefabricated construction, these joints provide a flexible break between sections, allowing for independent movement without putting stress on the structure. This prevents cracking, buckling, or other structural damage that can occur when heat causes materials to expand. Unlike rigid connections like welded or riveted joints, expansion joints absorb thermal energy and maintain the integrity of the building by accommodating physical changes in its components.
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