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Tag: tunneling
Tunneling under Sepulveda Pass: A big gamble to ease traffic nightmare
2016-03-12 02:19:15| Railroads - Topix.net
Southern California's terrain is marked by mountain ranges and narrow canyons. And that has long been a challenge for transportation officials as they try to move commuters between bedroom communities and job centers.
Twisted Steel Micro Rebar targets tunneling market.
2016-02-05 14:31:05| Industrial Newsroom - All News for Today
Unlike rebar and other forms of reinforcement, Helix 8-50 Twisted Steel Micro Rebar allows for efficient tensile stress re-distribution within concrete prior to concrete cracking. Product has nominal length of 2 in. and equivalent diameter of 0.30 in., which meets ASTM A820 - Type I specification. Technology uses continuous deformation along length of shaft in form of twisted ribs, providing continuous anchorage in concrete as opposed to smooth steel fibers that rely on small end hooks.
Tags: market
micro
steel
targets
Bechtel-Led Team Starts Tunneling On Saudi Arabia's First Metro System
2015-07-08 06:28:08| publicworks Home Page
A consortium led by global engineering, project management and construction company Bechtel has begun tunneling on Line 1 of the Riyadh Metro in Saudi Arabia, marking an important milestone in the construction of this landmark project. Riyadh Metro is set to be the country's first underground rail system and one of the largest in the world
Tags: system
team
starts
metro
Tunneling works completed for UK's 14.8bn Crossrail project
2015-06-08 01:00:00| Railway Technology
Tunneling works have concluded for the UK's new 14.8bn east-west Crossrail rail link in London.
Tags: works
project
completed
tunneling
National Grid Completes Tunneling on London Power Tunnels Project
2015-04-08 21:51:00| Transmission & Distribution World
National Grid plc has completed tunneling on the London Power Tunnels project. read more
Tags: power
national
project
london