HiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-26 days agoWhy don't railroads need expansion joints?www.youtube.comexternal-linkmessage-square38fedilinkarrow-up1110arrow-down17file-text
arrow-up1103arrow-down1external-linkWhy don't railroads need expansion joints?www.youtube.comHiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-26 days agomessage-square38fedilinkfile-text
Practical Engineering’s video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc
minus-squareflyingSock@feddit.orglinkfedilinkEnglisharrow-up4·6 days agoNowadays there are no thermal expansion joints, the rails are welded. Any thunk thunk left is at switches.
Nowadays there are no thermal expansion joints, the rails are welded. Any thunk thunk left is at switches.