Load Sharing in Two-pass Lining Systems for New Austrian Tunnelling Method (NATM) Tunnels April 28, 2020

By Yiming Sun, PhD, PE and Mike McRae, DEng, PE, GE Most transportation tunnels constructed… Read More >>

Factors in Choosing a Mining Method for Rock Tunnels Part 2: Adverse Ground Conditions April 13, 2020

By Dan Van Roosendaal, PE, and David Crouthamel, GE This Just Answers continues the overview… Read More >>

Factors in Choosing a Mining Method for Rock Tunnels, Part 1: Groundwater Flow April 03, 2020

By David Crouthamel, GE, and Dan Van Roosendaal, PE This two-part Just Answers looks at… Read More >>