• Lackawanna Cutoff Passenger Service Restoration

  • Discussion related to New Jersey Transit rail and light rail operations.
Discussion related to New Jersey Transit rail and light rail operations.

Moderators: lensovet, Kaback9, nick11a

  by Greg
 
Gilbert B Norman wrote: Sat May 25, 2024 10:08 am Isn't the topography around there a shale or other sedentary rock? BTW, I stayed awake in Geology, and actually liked the course as a non-core elective.
I'm fairly certain all rock is sedentary by nature. The proposed cut stood atop an anticlinal formation consisting of what they referred to as 'decayed rock' that was too brittle to support the cut's walls.
  by Dcell
 
NJT was able to shortened the tunnel to less than 1,000 feet in length as part of the ongoing project, to skirt federal safety requirements for tunnel ventilation.
  by Gilbert B Norman
 
OK Greg, Geo 101-2 @ Univ of Illinois-Urbana Champaign, didn't get into a Civil Engineering matter such as it appears you are addressing.
  by Greg
 
Gilbert B Norman wrote: Sat May 25, 2024 12:10 pm OK Greg, Geo 101-2 @ Univ of Illinois-Urbana Champaign, didn't get into a Civil Engineering matter such as it appears you are addressing.
You asked a question, that's the answer.
  by Gilbert B Norman
 
And of course to which I say, TY
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