free@rss.ponder.catMB to Science Streams@rss.ponder.catEnglish · 7 days agoWhy Don’t Railroads Need Expansion Joints?www.youtube.comexternal-linkmessage-square1fedilinkarrow-up16arrow-down10cross-posted to: [email protected][email protected][email protected]
arrow-up16arrow-down1external-linkWhy Don’t Railroads Need Expansion Joints?www.youtube.comfree@rss.ponder.catMB to Science Streams@rss.ponder.catEnglish · 7 days agomessage-square1fedilinkcross-posted to: [email protected][email protected][email protected]
minus-squareladicius@lemmy.worldlinkfedilinkarrow-up2·7 days 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!