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This report presents a literature search, findings of a survey on the current state of historic bridge rehabilitation or replacement decision making by state and local transportation agencies, and nationally applicable decision-making guidelines for historic bridges. The guidelines are intended to be used as the protocol for defining when rehabilitation of historic bridges can be considered prudent and feasible and when it is not based on engineering and environmental data and judgments. The guidelines include identification of various approaches to bringing historic bridges into conformance with current design and safety guidelines/standards, and the effect or implications of remedial action on historical significance. There are currently no such nationally applicable decision-making guidelines, but there are a variety of state and local processes and policies for managing historic bridges. Effective practices for the various processes inform the nationally applicable guidelines. The guidelines are in narrative and matrix format.
Book Synopsis Guidelines for Historic Bridge Rehabilitation and Replacement by : Mary Elizabeth McCahon
Download or read book Guidelines for Historic Bridge Rehabilitation and Replacement written by Mary Elizabeth McCahon and published by AASHTO. This book was released on 2008 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a literature search, findings of a survey on the current state of historic bridge rehabilitation or replacement decision making by state and local transportation agencies, and nationally applicable decision-making guidelines for historic bridges. The guidelines are intended to be used as the protocol for defining when rehabilitation of historic bridges can be considered prudent and feasible and when it is not based on engineering and environmental data and judgments. The guidelines include identification of various approaches to bringing historic bridges into conformance with current design and safety guidelines/standards, and the effect or implications of remedial action on historical significance. There are currently no such nationally applicable decision-making guidelines, but there are a variety of state and local processes and policies for managing historic bridges. Effective practices for the various processes inform the nationally applicable guidelines. The guidelines are in narrative and matrix format.
Book Synopsis Guidelines for Historic Bridge Rehabilitation and Replacement by : J. Patrick Harshbarger
Download or read book Guidelines for Historic Bridge Rehabilitation and Replacement written by J. Patrick Harshbarger and published by . This book was released on 2007 with total page 50 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 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.
Explore Historic Bridge Design through the Perspective of Modern Engineering Historic Bridges:Evaluation, Preservation, and Management provides both an admiring and a technical account of bridge engineering through an exploration of several remarkable examples. From ancient China to modern-day Minnesota, the book di
Book Synopsis Historic Bridges by : Hojjat Adeli
Download or read book Historic Bridges written by Hojjat Adeli and published by CRC Press. This book was released on 2016-04-19 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explore Historic Bridge Design through the Perspective of Modern Engineering Historic Bridges:Evaluation, Preservation, and Management provides both an admiring and a technical account of bridge engineering through an exploration of several remarkable examples. From ancient China to modern-day Minnesota, the book di
"This synthesis report will be of interest to state highway design engineers and structural engineers, as well as environmental and historic preservation personnel in transportation agencies. It will also be of interest to state historic preservation offices, federal historic preservation agencies, ang engineering preservation consultants"--Avant-propos.
Book Synopsis Historic Highway Bridge Preservation Practices by : William P. Chamberlin
Download or read book Historic Highway Bridge Preservation Practices written by William P. Chamberlin and published by Transportation Research Board. This book was released on 1999 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This synthesis report will be of interest to state highway design engineers and structural engineers, as well as environmental and historic preservation personnel in transportation agencies. It will also be of interest to state historic preservation offices, federal historic preservation agencies, ang engineering preservation consultants"--Avant-propos.
These guidelines are designed for decision makers (selection, country commissioners, city planners, preservation officers, contractors, rehabilitation engineers, etc.) to understand the components that are used to make effective decisions about how and when to repair a covered bridge, such as structural integrity, engineering analyses, condition assessments, how to support the bridge during repairs, and more. There are numerous types of covered bridges and ensuring public safety during repairs is a paramount issue for future generations to enjoy. Related products: Find more Renovation & Historic Preservation resources here: https: //bookstore.gpo.gov/catalog/renovation-historic-preservation Bridges & Tunnels resources collection here: https: //bookstore.gpo.gov/catalog/bridges-tunnels Other products published by the U.S. Forest Service are available here: https: //bookstore.gpo.gov/agency/us-forest-service
Book Synopsis Guidelines to Restoring Structural Integrity of Covered Bridge Members by : Ronald W. Anthony
Download or read book Guidelines to Restoring Structural Integrity of Covered Bridge Members written by Ronald W. Anthony and published by Government Printing Office. This book was released on 2018-04-02 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: These guidelines are designed for decision makers (selection, country commissioners, city planners, preservation officers, contractors, rehabilitation engineers, etc.) to understand the components that are used to make effective decisions about how and when to repair a covered bridge, such as structural integrity, engineering analyses, condition assessments, how to support the bridge during repairs, and more. There are numerous types of covered bridges and ensuring public safety during repairs is a paramount issue for future generations to enjoy. Related products: Find more Renovation & Historic Preservation resources here: https: //bookstore.gpo.gov/catalog/renovation-historic-preservation Bridges & Tunnels resources collection here: https: //bookstore.gpo.gov/catalog/bridges-tunnels Other products published by the U.S. Forest Service are available here: https: //bookstore.gpo.gov/agency/us-forest-service
Book Synopsis Historic Highway Bridges in Pennsylvania by : Pennsylvania Historical and Museum Commission
Download or read book Historic Highway Bridges in Pennsylvania written by Pennsylvania Historical and Museum Commission and published by Pennsylvania Historical & Museum Commission. This book was released on 1987 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Saving Historic Bridges written by and published by . This book was released on 1984 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
The most recently published update of the Virginia Department of Transportation’s (VDOT’s) historic bridge management plan, A Management Plan for Historic Bridges in Virginia: The 2017 Update, noted a number of special considerations regarding stone masonry on VDOT’s historic bridges (i.e., those state-owned bridges that are individually eligible for or listed on the National Register of Historic Places). Key considerations included the types of masonry work identified on management plan bridges; various types of repair and stabilization methods; and references to compatible mortars for use on bridges of older construction. The 2017 update of the historic bridge management plan also contained a fifth recommendation: conduct an in-depth historic masonry study and produce a best practices document identifying procedures for repair and/or rehabilitation of historic masonry structures and masonry components, particularly those on VDOT’s historic bridges. This study addressed that fifth recommendation. This study assembled data related to masonry in historic bridges, including archival documentary evidence, materials, and construction and repair technologies, and yielded a best practices document for facilitating appropriate management of VDOT’s historic bridges with stone masonry components. The study concluded that (1) historic bridges in Virginia with stone masonry construction exhibit a number of different forms, materials, building practices, and technologies that reflect the time periods when the bridges were built; (2) a variety of maintenance, repair, and rehabilitation practices have been used on these bridges; (3) best practices in historic preservation can evolve over time as additional information is acquired; and (4) knowledge of these various forms, materials, practices, and technologies, and the necessary specialized treatments required, must be taken into account when planning and undertaking maintenance, repair, and rehabilitation for the various types of stone masonry construction found in Virginia’s historic bridges. Using the most appropriate practices as outlined in this report may help avoid inappropriate repairs and damage to stone masonry elements. The study recommends that (1) the practices regarding bridge maintenance, repair, and historical documentation described in this report be used by VDOT structure and bridge engineers, environmental cultural resource personnel, and corresponding district staff; and (2) the information, including historical background, condition, and maintenance needs on specific bridges, included in this report be referenced in the forthcoming update of A Management Plan for Historic Bridges in Virginia (now in progress).
Book Synopsis Best Practices for Historic Masonry Repair and Rehabilitation by : Ann B. Miller
Download or read book Best Practices for Historic Masonry Repair and Rehabilitation written by Ann B. Miller and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most recently published update of the Virginia Department of Transportation’s (VDOT’s) historic bridge management plan, A Management Plan for Historic Bridges in Virginia: The 2017 Update, noted a number of special considerations regarding stone masonry on VDOT’s historic bridges (i.e., those state-owned bridges that are individually eligible for or listed on the National Register of Historic Places). Key considerations included the types of masonry work identified on management plan bridges; various types of repair and stabilization methods; and references to compatible mortars for use on bridges of older construction. The 2017 update of the historic bridge management plan also contained a fifth recommendation: conduct an in-depth historic masonry study and produce a best practices document identifying procedures for repair and/or rehabilitation of historic masonry structures and masonry components, particularly those on VDOT’s historic bridges. This study addressed that fifth recommendation. This study assembled data related to masonry in historic bridges, including archival documentary evidence, materials, and construction and repair technologies, and yielded a best practices document for facilitating appropriate management of VDOT’s historic bridges with stone masonry components. The study concluded that (1) historic bridges in Virginia with stone masonry construction exhibit a number of different forms, materials, building practices, and technologies that reflect the time periods when the bridges were built; (2) a variety of maintenance, repair, and rehabilitation practices have been used on these bridges; (3) best practices in historic preservation can evolve over time as additional information is acquired; and (4) knowledge of these various forms, materials, practices, and technologies, and the necessary specialized treatments required, must be taken into account when planning and undertaking maintenance, repair, and rehabilitation for the various types of stone masonry construction found in Virginia’s historic bridges. Using the most appropriate practices as outlined in this report may help avoid inappropriate repairs and damage to stone masonry elements. The study recommends that (1) the practices regarding bridge maintenance, repair, and historical documentation described in this report be used by VDOT structure and bridge engineers, environmental cultural resource personnel, and corresponding district staff; and (2) the information, including historical background, condition, and maintenance needs on specific bridges, included in this report be referenced in the forthcoming update of A Management Plan for Historic Bridges in Virginia (now in progress).
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 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.
