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Bridge Railing Design Requirements
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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.
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 Timber Bridges by : Michael A. Ritter
Download or read book Timber Bridges written by Michael A. Ritter and published by Datamotion Publishing LLC. This book was released on 1990 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a comprehensive analysis of the design, construction, inspection, and maintenance of timber bridges.
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 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 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 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 E: 32-in (813-mm) New Jersey safety shape by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix E: 32-in (813-mm) New Jersey safety shape 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.
Author :American Association of State Highway and Transportation Officials. Task Force for Roadside Safety Publisher : ISBN 13 : Total Pages :560 pages Book Rating :4.0/5 ( download)
Book Synopsis Roadside Design Guide by : American Association of State Highway and Transportation Officials. Task Force for Roadside Safety
Download or read book Roadside Design Guide written by American Association of State Highway and Transportation Officials. Task Force for Roadside Safety and published by . This book was released on 1989 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Bridge Rail Design Procedure by : Emad Badiee
Download or read book Bridge Rail Design Procedure written by Emad Badiee and published by . This book was released on 2014 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The AASHTO Bridge Specifications recommend a yield line theory analysis to determine the structural capacity of concrete bridge railing based on static strength of concrete. However, this analysis technique has been shown to significantly underestimate the capacity of concrete bridge rails to withstand high speed truck impacts. Traditionally this shortcoming has been mitigated by artificial reductions in bridge rail design loads implemented into the design specifications. Fear of litigation associated with failure of a bridge rail to contain and redirect an errant vehicle has made continuing this policy unacceptable for most state highway agencies. On the other hand, existing barrier design guidelines contained in the Bridge Specifications are based upon National Cooperative Highway Research Program (NCHRP) Report 350. This document has been superseded by the Manual for Assessing Safety Hardware (MASH). The updated performance guidelines incorporate heavier vehicles, higher impact angles, and in one case, higher impact speeds. Full-scale crash testing has shown that the new testing criteria will require stronger and taller barriers. One study has attempted to generate new height and design load requirements for inclusion in the updated Bridge Design Specifications. The load recommended for implementation proved to be extremely high and was not well received by AASHTO's T7 committee on Guardrails and Bridge Rails. Thus, there is a national need for a more thorough evaluation of bridge rail design loads and minimum barrier heights required to meet the MASH guidelines. This thesis presents an improved method based on modified Yield Line Theory and dynamic strength of concrete to estimate the design impact loads to realistic levels without adjustment of the underlying analysis technique. The net effect of applying the new method to the design would be large decreases in the size and cost of bridge railing necessary to withstand the elevated loads. The objective of the research proposed herein includes: (1) Developing improved methods for estimating the structural capacity of bridge rails and cantilevered deck systems based on dynamic strength of concrete, and including the contribution of deflection of deck overhang, moment of inertia of the barrier and deck overhang sections, and mass of the vehicle and barrier and (2) Identifying appropriate design loads for use in the new methods that are representative of MASH recommended crash test conditions TL-2 through TL-5.
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 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 G: BR27C bridge railing by : Eugene Buth
Download or read book Testing of new bridge rail and transition designs: Appendix G: BR27C 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 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 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:
