Question

why in large bridges one end is kept fixed and the other rest on rollers with explanation?​

Answer 1

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.

Answer 2

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.

Explanation:

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