What will happen to steel railroad tracks on a hot day if they were laid out during a cold day without clearance or gap?

Answer 1

When metals become cold, they contract and take less space, but when a metal gets hot, it expands and it will need more space. So, in this case the metal tracks took less space when fitted without gaps on the cold day, but on the hot day the metals will need more space and therefore will push outwards. The tracks will become buckled, and when the train comes, it will go off track.

Answer 2

The steel railroad tracks will expand when exposed to heat on a hot day if they were originally laid out on a cold day without any clearance or gap. This expansion may lead to buckling or bending of the tracks due to the thermal expansion, potentially causing safety hazards and disruptions to train operations. It is important to account for thermal expansion when installing railroad tracks to prevent such issues.