Author
James H. Brace
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Books by James H. Brace
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
"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.
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The Cross-Town Tunnels. Paper No. 1158
"Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept.…" is a scientific publication authored by members of the American Society of Civil Engineers, specifically James H. Brace and Francis Mason. This work, written in the early 20th century, focuses on the engineering and construction challenges associated with the New York Tunnel Extension of the Pennsylvania Railroad. The likely topic of the book revolves around civil engineering techniques, specifically the methods and processes used in tunnel construction. The publication details the extensive process undertaken to construct the tunnels that extend from the Pennsylvania Railroad Terminal Station. It encompasses various aspects such as the contract signing, excavation methods, handling of spoil, and the installation of ventilation and power systems. The authors describe the innovative techniques used, including top heading and bench methods, the construction of shafts, and the elaborate planning required to navigate the complex urban environment. Through numerous illustrations and technical descriptions, the book highlights the challenges faced due to varying rock conditions, the need for precise engineering to avoid damage to surrounding structures, and the methods employed to ensure the project was completed effectively and efficiently over a span of several years.