4 ms·
I wonder what the rail-laying tech looks like, and if it's made any big advancements in the past 50 years. I would imagine some big advancements in rail constru
by ilovecaching 8y ago
I wonder what the rail-laying tech looks like, and if it's made any big advancements in the past 50 years. I would imagine some big advancements in rail construction would tip the scales of cost/benefit.
Let's invest in self-replicating rail construction!
- ummonk 8y agoPractically none of the cost goes into laying down rail. Almost all the cost goes into acquiring land, building grade separation in municipalities, and tunneling if needed.
- Symbiote 8y agoRailway track laying machines. I don't know if there's something to prepare the foundation, most videos show replacing a line rather than laying a new one. https://youtube.com/watch?v=_MKcTbYDP7w https://youtube.com/watch?v=_MKcTbYDP7w https://youtube.com/watch?v=_-wThCECvxM https://youtube.com/watch?v=_-wThCECvxM
- azurezyq 8y agoThis is the one used in Chinese HSR construction, for elevated viaducts. https://youtu.be/T7hdo9tL6u0 https://youtu.be/T7hdo9tL6u0