Research Article
Sep 1964
Subway Tunnel Construction in New York City
Publication: Journal of the Construction Division
Volume 90, Issue 2
Abstract
Subway tunnel construction provides a variety of conditions requiring special equipment and methods. Tunnel sections vary as to shape, height and proximity to existing structures. Proven and new equipment and methods are used for excavation and concrete operations. A combination of roof bolt, timber and structural steel is used to support the excavated tunnel. Rubber-tired hauling equipment proved to be maneuverable and adaptable to a variety of tunnel operations. Crawler-mounted equipment for loading is selected because of its success doing similar work. Concrete equipment is selected and adapted to be maneuverable and flexible because of the variety placing requirements. Rock fall stops advance of tunnel excavation. Tunnel and void are filled with concrete to form support for falling rock. Rock excavation is carried out directly under operating railroad and passenger station. Support of overhead structure is done as excavation is advanced. Blasting in this area is limited to avoid damage to existing structure.
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Information & Authors
Information
Published In
Journal of the Construction Division
Volume 90 • Issue 2 • September 1964
Pages: 15 - 36
Copyright
© 1964 American Society of Civil Engineers.
History
Published in print: Sep 1964
Published online: Feb 11, 2021
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Authors
Affiliations
Gail B. Knight, M.ASCE
Proj. Mgr., Johnson, Drake & Piper, New York, N.Y.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.