Project Gutenberg 2006-07-01 Public domain in the USA. 591 Brace, James H. Mason, Francis Woodard, S. H. 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 Produced by Juliet Sutherland, Taavi Kalju and the Online Distributed Proofreading Team at http://www.pgdp.net "Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept.…" is a scientific publication written in the early 20th century. This volume consists of detailed papers discussing various engineering projects and techniques, specifically focusing on the construction of the East River Tunnels as part of the Pennsylvania Railroad’s New York tunnel extension. It likely appeals to professionals in civil engineering and construction, particularly those interested in tunneling methods, cost analysis, and groundbreaking techniques used in underground constructions. The opening of this publication introduces a paper by James H. Brace, Francis Mason, and S.H. Woodard, which outlines the methodologies and challenges encountered during the construction of the East River tunnels. The authors discuss various aspects of the project, including the contract details, excavation techniques, material management, zoning issues, and the innovative use of shields and compressed air during tunneling. Specific attention is placed on the labor costs and construction processes, painting a comprehensive picture of the engineering practices of the time and the lessons learned throughout the construction period. (This is an automatically generated summary.) Reading ease score: 72.7 (7th grade). Fairly easy to read. en Civil engineering -- Periodicals Railroad tunnels -- Design and construction TA Text Technology Category: Engineering & Technology 252661 2025-08-08T05:56:21.534589 text/html 235322 2006-07-01T06:13:44 text/html 4512677 2025-08-08T05:56:31.760600 application/epub+zip 4509967 2025-08-08T05:56:25.936578 application/epub+zip 126566 2025-08-08T05:56:24.174587 application/epub+zip 5150306 2025-08-08T05:56:35.661546 application/x-mobipocket-ebook 5133022 2025-08-08T05:56:30.104587 application/x-mobipocket-ebook 170043 2022-09-09T05:26:33.879997 application/x-mobipocket-ebook 193248 2025-08-08T05:56:20.595596 text/plain; charset=us-ascii 193293 2006-07-01T06:13:42 text/plain; charset=us-ascii 193316 2006-07-01T06:13:44 text/plain; charset=us-ascii 20309 2025-08-08T05:56:35.814519 application/rdf+xml 25677 2025-08-08T05:56:24.691573 image/jpeg 4573 2025-08-08T05:56:24.430602 image/jpeg 57118 2006-07-01T06:13:46 application/octet-stream application/zip 4196883 2006-07-01T06:13:48 application/octet-stream application/zip 57108 2006-07-01T06:13:46 application/octet-stream application/zip 4409110 2025-08-08T05:56:21.644641 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog