freeMB to Science StreamsEnglish · 1 month agoWhy Don’t Railroads Need Expansion Joints?www.youtube.comexternal-linkmessage-square1fedilinkarrow-up16arrow-down10
arrow-up16arrow-down1external-linkWhy Don’t Railroads Need Expansion Joints?www.youtube.comfreeMB to Science StreamsEnglish · 1 month agomessage-square1fedilink
minus-squareladicius@lemmy.worldlinkfedilinkarrow-up2·1 month agoTldw: The rails are fixed to their support beams and therefore expand up and to the sides but not in length. More elaborate explanation starts at 24:30. I recommend watching the whole video!
Tldw: The rails are fixed to their support beams and therefore expand up and to the sides but not in length.
More elaborate explanation starts at 24:30. I recommend watching the whole video!