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Book Synopsis Guardrails for Use on Historic Bridges by : Robert Frosch
Download or read book Guardrails for Use on Historic Bridges written by Robert Frosch and published by . This book was released on 2017-06-30 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridges that are designated historic present a special challenge to bridge engineers whenever rehabilitation work or improvements are made to the bridges. Federal and state laws protect historically significant bridges, and railings on these bridges can be subject to protection because of the role they play in aesthetics. Unfortunately, original railings on historic bridges do not typically meet current crash-test requirements and typically do not meet current standards for railing height and size of permitted openings. The primary objective of this study is to develop strategies that can be used to address existing railings on historic bridges and to develop solutions that meet current design requirements. In addition to the modification, selection, and design of the bridge railing, the bridge deck is also impacted by changes made to the railing. Due to increased force levels recently required by AASHTO, deck overhangs require significantly more reinforcement than for past practice. These increases are being realized on all bridge decks and may pose particular challenges for the attachment of railing to historic bridges. Therefore, a secondary objective of this project is to investigate the design of the deck overhang and determine whether reduced amounts of reinforcement are possible. For Volume 1 (Replacement Strategies), three phases of research were conducted. First, an overview of current practice for addressing historic bridge railings was performed. Second, an investigation was conducted to document historic bridge railings in Indiana. Finally, rehabilitation solutions were developed to address the specific bridge railings found in Indiana. Based on this research, three retrofit strategies were developed which include an inboard railing, curb railing, and a simulated historic railing. These rehabilitation solutions can be used to address historic bridge railings not only in Indiana, but across the country. For Volume 2 (Bridge Deck Overhang Design), experimental testing of half-scale and full-scale overhang specimens was conducted, and the results were analyzed. Failures of in-service bridge railings were also evaluated. Based on this research, recommendations are provided for the more efficient and economic design of bridge deck overhangs. These recommendations are applicable not only for historic bridges, but for all concrete bridge decks.
Book Synopsis Testing of new bridge rail and transition designs: Appendix A: Oregon side mounted bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix A: Oregon side mounted bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Download or read book Solutionary Rail written by Bill Moyer and published by . This book was released on 2016-11-04 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Solutionary Rail vision draws unlikely allies together. It provides common cause to workers, farmers, tribes, urban and rural communities via the tracks and corridors that connect them. Part action plan and part manifesto, this book launches a new people-powered campaign to transform the way we use trains and the corridors they travel through.
Book Synopsis Rails Across the Mississippi by : Robert Wendell Jackson
Download or read book Rails Across the Mississippi written by Robert Wendell Jackson and published by University of Illinois Press. This book was released on 2001 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A tale of grand dreams, shady politics, daring engineering experiments, greed, ambition, and westward expansion, Rails across the Mississippi is the first book-length history since 1881 to document the planning, financing, and construction of the first bridge across the Mississippi River at St. Louis, a national engineering landmark completed in 1874 that is now known as the Eads Bridge. Robert W. Jackson takes a fresh look at this monumental project, dispersing the myths and filling in the gaps left by earlier scholarship."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved
Book Synopsis Testing of new bridge rail and transition designs: Appendix H: Illinois side mount bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix H: Illinois side mount bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Bridge Railings by : American Institute of Steel Construction
Download or read book Bridge Railings written by American Institute of Steel Construction and published by . This book was released on 1941 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing of new bridge rail and transition designs: Appendix C: Illinois 2399-1 bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix C: Illinois 2399-1 bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Guardrails for Use on Historic Bridges by : Robert Frosch
Download or read book Guardrails for Use on Historic Bridges written by Robert Frosch and published by . This book was released on 2017-06-30 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridges that are designated historic present a special challenge to bridge engineers whenever rehabilitation work or improvements are made to the bridges. Federal and state laws protect historically significant bridges, and railings on these bridges can be subject to protection because of the role they play in aesthetics. Unfortunately, original railings on historic bridges do not typically meet current crash-test requirements and typically do not meet current standards for railing height and size of permitted openings. The primary objective of this study is to develop strategies that can be used to address existing railings on historic bridges and to develop solutions that meet current design requirements. In addition to the modification, selection, and design of the bridge railing, the bridge deck is also impacted by changes made to the railing. Due to increased force levels recently required by AASHTO, deck overhangs require significantly more reinforcement than for past practice. These increases are being realized on all bridge decks and may pose particular challenges for the attachment of railing to historic bridges. Therefore, a secondary objective of this project is to investigate the design of the deck overhang and determine whether reduced amounts of reinforcement are possible. For Volume 1 (Replacement Strategies), three phases of research were conducted. First, an overview of current practice for addressing historic bridge railings was performed. Second, an investigation was conducted to document historic bridge railings in Indiana. Finally, rehabilitation solutions were developed to address the specific bridge railings found in Indiana. Based on this research, three retrofit strategies were developed which include an inboard railing, curb railing, and a simulated historic railing. These rehabilitation solutions can be used to address historic bridge railings not only in Indiana, but across the country. For Volume 2 (Bridge Deck Overhang Design), experimental testing of half-scale and full-scale overhang specimens was conducted, and the results were analyzed. Failures of in-service bridge railings were also evaluated. Based on this research, recommendations are provided for the more efficient and economic design of bridge deck overhangs. These recommendations are applicable not only for historic bridges, but for all concrete bridge decks.
Book Synopsis Aluminum Bridge Railings by : Reynolds Metals Company
Download or read book Aluminum Bridge Railings written by Reynolds Metals Company and published by . This book was released on 1950 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Deck Designs for Railing Impacts. Final Report by : Althea Arnold
Download or read book Bridge Deck Designs for Railing Impacts. Final Report written by Althea Arnold and published by . This book was released on 1985 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing of New Bridge Rail and Transition Designs by : C. Eugene Buth
Download or read book Testing of New Bridge Rail and Transition Designs written by C. Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Testing of new bridge rail and transition designs: Appendix F: 32-in (813-mm) F-shape bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix F: 32-in (813-mm) F-shape bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Testing of new bridge rail and transition designs: Appendix D: 32-in (813-mm) concrete parapet bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix D: 32-in (813-mm) concrete parapet bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Testing of new bridge rail and transition designs: Appendix I: 42-in (1.07-m) concrete parapet bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix I: 42-in (1.07-m) concrete parapet bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Retrofit Railings for Truss Bridges by :
Download or read book Retrofit Railings for Truss Bridges written by and published by . This book was released on 2005 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2003, there were 38 metal truss bridges 50 years of age or older remaining on the State of Texas highway system. Of these 38 bridges, 33 are listed in the National Register of Historic Places. Many of these bridges do not meet current design criteria for rehabilitation due to narrow deck widths, low vertical clearance, and substandard load capacity. In addition, the existing bridge railing systems on these bridges have not been shown to meet the current requirements for safety and strength. This project addressed the design and performance of acceptable traffic railings for existing and new truss bridges in Texas. Specific objectives were to: * design/develop a retrofit railing for low-speed application on the Roy B. Inks Bridge in Llano, Texas; * design/develop a retrofit railing for high-speed application on the U.S. 281 Bridge over the Brazos River in Palo Pinto County, Texas; * identify criteria that can serve as a basis for design exceptions; and design/develop a traffic railing for new truss bridges.
Book Synopsis Testing of new bridge rail and transition designs: Appendix B: BR27D bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix B: BR27D bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
Book Synopsis Testing of new bridge rail and transition designs: Appendix J: 42-in (1.07-m) F-shape bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix J: 42-in (1.07-m) F-shape bridge railing written by Eugene Buth and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this study were to develop safer bridge rail and transition designs and to improve design guidelines. Ten bridge railings and two transitions were designed, tested, and evaluated in accordance with American Association of State Highway and Transportation Officials (AASHTO) requirements. The railings were designed using ultimate strength procedures and collision forces from earlier research. Design procedures, railing designs, and test results are presented. All designs demonstrated acceptable collision performance.
