HiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-210 months agoWhy don't railroads need expansion joints?www.youtube.comexternal-linkmessage-square37linkfedilinkarrow-up1110arrow-down17file-text
arrow-up1103arrow-down1external-linkWhy don't railroads need expansion joints?www.youtube.comHiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-210 months agomessage-square37linkfedilinkfile-text
Practical Engineering’s video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc
minus-squareflyingSock@feddit.orglinkfedilinkEnglisharrow-up4·10 months 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.