The New York Tunnel Extension of the Pennsylvania Railroad--The East River Tunnels, by James H. Brace, Francis Mason, and S. H. Woodard
by James H. Brace
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Language: English
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About this eBook
- Author
- Woodard, S. H.
- Title
- Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The East River Tunnels. Paper No. 1159
- Credits
- Produced by Juliet Sutherland, Taavi Kalju and the Online Distributed Proofreading Team at www.pgdp.net
- Language
- English
- LoC Class
- TA: Technology: Engineering and Civil engineering
- Subject
- Railroad tunnels -- Design and construction
- Category
- Text
- eBook-No.
- 18722
- Project Gutenberg
- https://www.gutenberg.org/ebooks/18722
- Release Date
- July 1, 2006
- Copyright
- Public domain in the USA.
Contents
- 1.Untitled
- 2.AMERICAN SOCIETY OF CIVIL ENGINEERS — INSTITUTED 1852 — TRANSACTIONS — Paper No. 1159 — THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD. — THE EAST RIVER TUNNELS. [A]
- 3.By James H. Brace, Francis Mason, and S. H. Woodard, Members, Am. Soc. C. E. — Tunnels From East Avenue To the River Shafts. — Excavation In All Rock. — Excavation in Earth and Rock. — Tunneling in Compressed Air Without a Shield. — Concrete Cradles, Hand-Packed Stone and Grouting. — Erection of Iron Lining. — Long Island Shafts. — TABLE 1.— Relation of the Final Position of the Caissons to That Designed. — Manhattan Shafts. — River Tunnels. — Tunnels Driven Eastward from Manhattan. — Tunnels Driven Westward from Long Island City. — Methods of Excavation. — TABLE 2.— Rate of Progress, Nature of Materials, and Methods Adopted in Construction of East River Tunnels. — Line A, Long Island. — Line B, Long Island. — Line C, Long Island. — Line D, Long Island. — Line A, Manhattan. — Line B, Manhattan. — Line C, Manhattan. — Line D, Manhattan. — Special Difficulties. — Guiding the Shields. — Injuries to Shields. — Settlement at Surface of Ground. — Clay Blanket. — Iron Lining. — Grouting. — Caulking and Leakage. — Sump and Pump Chambers. — Concrete Lining. — Electric Conduits. — FOOTNOTES:
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