give the reason leave gap between successive length of rails in railway track
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Its because In summer the railways track expand because of metal iron .In metal there are property that it's should Contract in cool and Expand in heat .In winter the Railways are contract and if there are ni gap so ut make Broke the railway track and chance of train accident
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So that there is enough margin for the tracks to expand and contract due to the temperature changes. If that gap is not left then the tracks might have enormous stress in them while expanding due to heat. ... Thermal expansion of long continuous sections of rail tracks is the driving force for rail buckling.
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I hope this answer will help you
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