Canada Line Cut and Cover Tunnel Shotcrete Shoring
Driving north from the Fraser River on the 4.3 mi (7 km) corridor of Cambie Street, a main artery into downtown Vancouver, one is oblivious to the fact that up to 72 ft (22 m) below the surface is one of the largest shotcrete shoring projects in North America.
The Evolution of Rock Support in One Old Mine in Mexico
An old mine located in Queretaro State, about a 2-hour drive from Mexico City, now uses wet-mix shotcrete as an integral part of its ground control system.
The Heartland Corridor Clearance Improvement Project: Vaughan, Roderfield, Laurel, and Gordon Tunnels
As part of a 3-year project, Norfolk Southern Railway, which operates 21,500 mi (34,600 km) of track in 22 eastern states, is expanding 28 tunnels along the Heartland Corridor,
The Heartland Corridor Clearance Improvement
With sky-rocketing fuel costs for truck and air transport, moving freight over national railroads has become increasingly attractive to suppliers and manufacturers.
Fiber-Reinforced Shotcrete in the Australian Underground Mining Industry
The majority of underground metalliferous mines in Australia, comprising more than 60 individual mines, now use fiber-reinforced shotcrete (FRS) and bolts as the primary means of ground stabilization.
A History of Shotcrete Use at Vale Inco
Vale Inco mining company is a leading producer of nickel, copper, cobalt, and precious metals and has been operating in Sudbury, ON, Canada, located about 240 miles (400 km) north of Toronto, for more than 100 years.
The Outstanding Underground Project
The MBTA Red Line Emergency Repairs
The Massachusetts Bay Transportation Authority (MBTA) is the operator of the Red Line Subway in Boston, MA.
Fiber-Reinforced Shotcrete for Underground Mines in the New Millennium
Shotcrete mixture designs for underground applications vary from mine to mine throughout North America,