Tunnels: Difference between revisions

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*Boring machines - called moles - cost a million. They work like this [https://science.howstuffworks.com/engineering/structural/tunnel.htm#:~:text=Tunneling%20through%20soft%20rock%20and,moles%2C%20to%20create%20the%20tunnel.]
*Boring machines - called moles - cost a million. They work like this [https://science.howstuffworks.com/engineering/structural/tunnel.htm#:~:text=Tunneling%20through%20soft%20rock%20and,moles%2C%20to%20create%20the%20tunnel.]
*In soft rock Youtube - digging for gold [https://www.youtube.com/watch?v=BRS1aoomuSc&t=49s]
*In soft rock Youtube - digging for gold [https://www.youtube.com/watch?v=BRS1aoomuSc&t=49s]
*Rock bolts are used to stabilize a tunnel - [https://www.youtube.com/watch?v=xNDppVTVUss]

Revision as of 02:44, 11 September 2022

  • There is huge red tape for building tunnels, and costs are $100M-$1B per mile [1]. The Boring Company was supposed to do $10M/mile
  • Boring machines - called moles - cost a million. They work like this [2]
  • In soft rock Youtube - digging for gold [3]
  • Rock bolts are used to stabilize a tunnel - [4]
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