3. A steel bridge expands in summer. What precautions are taken to make sure this expansion
does not damage the bridge?
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3. A steel bridge expands in summer. What precautions are taken to make sure this expansion
does not damage the bridge?
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Answer:
One end of the metal or steel bridge must be fixed and other end of the bridge must be kept at the roller to allow the movements due to thermal expansion.
Explanation:
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Answer:
DUE TO HEAT METAL TEM TO INCREAS IN LENGTH......TO MAKE SURE PROPER CONSTRUCTION SMALL GAPS MUST BE LEFT IN BETWEEN TO AVOID CONTRANTION OF METALS...