Article

UndergroundShotcrete Application in SNOLAB

Satish Bhan, Fraser Duncan, Ian Lawson, and Craig McDonald

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The SNOLAB underground science laboratory is situated 6800 ft (2072 m) below ground at the CVRD-Inco Creighton Mine in Sudbury, ON, Canada.

Article

UndergroundExploring the Limits of Shotcrete Loading Capacity at Early Age

Matthew Clements

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The booming world mineral market is introducing a new level of challenges to miners

Article

UndergroundWatertight Permanent Shotcrete Linings in Tunneling and Underground Construction

Knut F. Garshol and Lauro Lacerda

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Sprayed concrete, or shotcrete, as is the accepted term in North America, has become an integral part of many traditional, nonmechanized (that is, drill and blast, roadheader) tunnel excavations.

Article

UndergroundInternationalA Report from the ITA Working Group on Shotcrete Use

Tarcisio Celestino and Atsumu Ishida

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Working Group 12, Shotcrete Use of the International Tunneling and Underground Space Association (ITA) was established in 1989.

Article

RepairUndergroundRepair of the Baltimore Harbor Tunnel

Ted W. Sofis

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The original construction of the Baltimore Habour Tunnel began in 1955 and was completed in 1957.

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UndergroundRecreationalShotcrete for Wine Storage

Larry Rowland

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What do northern California grapes and shotcrete have in common?

Article

UndergroundOutstanding Underground Project: The Center for National Response

Henry A. Russell, Jr.

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In 1953, the Memorial Tunnel in Standard, WV, was constructed as a two-lane, 2800 ft (853 m) tunnel with semi-transverse ventilation.

Article

UndergroundTiber Creek Tunnel Project

Khaldoun El-Jallad

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Ellicott City, MD, enjoys a rich and varied history, from its origin as the tiny trade center of Ellicott?s Mills to the present seat of rapidly urbanizing Howard County.

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RepairUndergroundStructuralStructural Shotcrete Overhead

Warren Harrison

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As a contractor, I have frequently been asked if shotcrete can be used for overhead applications.

Article

UndergroundSlope Stabilization in an Open Pit Mine

Michael Keienburg

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The government of the Republic of Botswana and De Beers Centenary AG own the Debswana Diamond Company in equal share.