Science, asked by hammadsaeed966, 4 months ago

why one end of the irons grides is placed on roller in construction of briges

Answers

Answered by papakiprincess2429

Answer:

when we have rollers at one end then it is allowed to expand freely without any thermal stress.in summers the bridges may expand due to the increase in the temperature and in winters the bridges may compress due to decrease in the temperature.

hammadsaeed966: hi

papakiprincess2429: hello

Answered by yashvi193

Answer:

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