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-squarepyre@lemmy.worldlinkfedilinkarrow-up1·5 days agoit’s a good hook because I always thought they were supposed to have gaps
it’s a good hook because I always thought they were supposed to have gaps