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Author : Chad Randl
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (327 download)
Download or read book Rehabilitating a Historic Truss Bridge Using a Fiber Reinforced Plastic Deck written by Chad Randl and published by . This book was released on 2003 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chad Randl
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.3/5 ( download)
Download or read book Rehabilitating a Historic Truss Bridge Using a Fiber Reinforced Plastic Deck written by Chad Randl and published by . This book was released on 2003 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.3/5 (91 download)
Download or read book Preservation Tech Notes written by and published by . This book was released on 2003 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vistasp M. Karbhari
Publisher : Elsevier
ISBN 13 : 0443220832
Total Pages : 656 pages
Book Rating : 4.4/5 (432 download)
Download or read book Rehabilitation of Metallic Structural Systems Using Fiber Reinforced Polymer (FRP) Composites written by Vistasp M. Karbhari and published by Elsevier. This book was released on 2024-11-01 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rehabilitation of Metallic Structural Systems Using Fiber-Reinforced Polymer (FRP) Composites, Second Edition provides comprehensive knowledge on the application of FRPs in various types of metallic field structures. Part I provides an overview of the various types of materials and systems and discusses the durability of bonds. Part II focuses on materials-level considerations, such as corrosion and mechanical behavior, putty effects on the effectiveness of pipeline systems, laser joining and the use of carbon and basalt FRP for underwater repair. Building on Part II, the final three sections focus on applications of FRP composites to steel components and various infrastructure systems. This book will be a standard reference for civil engineers, designers, materials scientists, and other professionals who are involved in the rehabilitation of metallic structures using fiber reinforced polymer composites. Contains eighteen new chapters covering materials-level aspects and applications Presents materials developments for tailored bonds, durability, and bond behavior Includes methods of analysis, testing, and implementation across a broad range of sectors Covers design aspects, guidelines, and codes Discusses economic aspects and future prospects
Author : United States. National Park Service. Technical Preservation Services Division
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (319 download)
Download or read book Technical Preservation Services' Publications and Online Materials written by United States. National Park Service. Technical Preservation Services Division and published by . This book was released on 2007 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (127 download)
Download or read book Development and Evaluation of an Adhesively Bonded Panel-to-panel Joint for a Fiber-reinforced Polymer Bridge Deck System written by and published by . This book was released on 2007 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fiber-reinforced polymer (FRP) composite cellular deck system was used to rehabilitate a historical cast iron thru-truss structure (Hawthorne Street Bridge in Covington, Virginia). The most important characteristic of this application is reduction in self-weight, which raises the live load-carrying capacity of the bridge by replacing the existing concrete deck with an FRP deck. This bridge is designed to an HL-93 load and has a 75-ft clear span with a roadway width of 22 ft. The panel-to-panel connections were accomplished using full width, adhesively (structural urethane adhesive) bonded tongue and groove splices with scarfed edges. To ensure proper construction, serviceability, and strength of the splice, a full-scale two-bay section of the bridge with three adhesively bonded panel-to-panel connections was constructed and tested in the Structures Laboratory at Virginia Tech. Test results showed that no crack initiated in the joints under service load and no significant change in stiffness or strength of the joint occurred after 3,000,000 cycles of fatigue loading. The proposed adhesive bonding technique was installed in the bridge in August 2006.
Author : Joseph P. Saldibar
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Rehabilitating a Historic Iron Bridge written by Joseph P. Saldibar and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Laura Marie Ortiz
Publisher :
ISBN 13 :
Total Pages : 231 pages
Book Rating : 4.:/5 (868 download)
Download or read book Rehabilitation Techniques and Assessment of a Historic Reinforced Concrete Variable Depth Girder Bridge written by Laura Marie Ortiz and published by . This book was released on 2013 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic bridges are an important part of the nation's infrastructure. However, many historic bridges are not being maintained to a level that will ensure their continued use. In 2007, the I-35 W Mississippi River Bridge collapsed demonstrating significant issues with the safety of older bridges in service. Currently there are so many bridges that are considered structurally deficient that transportation authorities are continuously faced with the dilemma of distributing limited bridge funds. This situation underscores a need for cost effective and reliable maintenance and rehabilitation strategies. This thesis promotes historic preservation in two main tasks: (1) rehabilitation and repair methods are determined to guide engineers, preservationists, and other stakeholders and (2) an assessment is performed for a prototype historic bridge. More specifically, the assessment is performed in three tasks: (1) modeling of the historic bridge, (2) evaluation of the bridge using load rating procedures, and (3) rehabilitation strategies are recommended based on the results of the assessment. The prototype bridge is a 1930s variable depth T-beam bridge. The bridge did not meet requirements for flexural capacity at the mid-sections of the approach and main span interior girders. Three rehabilitation methods considered were support modification at the cantilever ends, external fiber reinforced polymer (FRP) plies, and external post-tensioning. The support modification raised the bridge to a 75-year exposure period, the highest level of evaluation, without disrupting the historical integrity of the bridge. The FRP plies raised the positive moment capacity of the bridge to legal load standards, a 5-year exposure period. The FRP retrofit was limited by de-bonding issues. The external post-tensioning raised the positive capacity to design load standards at the inventory level, a 75-year exposure period. The external post-tensioning was limited by the use of a straight tendon, but is less visible than a draped tendon. From the information in the assessment, support modification is more effective than the other methods and will not negatively affect the bridge's historic integrity. Other factors such as the projected effects on other bridge elements including the substructure, cost, installation procedures, and durability should be considered and might lower the benefits of the considered methods. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/149606
Author :
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (1 download)
Download or read book Best Practices for the Rehabilitation and Moving of Historic Metal Truss Bridges written by and published by . This book was released on 2006 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Virginia Department of Transportation and the Department of Historic Resources are responsible for the management of about 30 historic truss bridges. All too often, these structures do not meet today's traffic demands or safety standards. Their general deterioration requires disassembly and relocation, rehabilitation and re-erection, or storage. The technology and materials used to build them are no longer in use, and many of the people with practical experience are no longer working. Little information is readily available on safely and effectively identifying and performing necessary operations. VDOT's Knowledge Management Division and the Virginia Transportation Research Council interviewed active and retired engineers, consultants, field personnel, environmental specialists, and architectural historians to collect best practices related to pin-connected and riveted truss bridges. The report is organized using the process followed for the recent rehabilitation of a historic truss in Goshen, Virginia, and discusses the issues faced by those moving and rehabilitating historic metal truss bridges.
Author : Ronald W. Anthony
Publisher : Government Printing Office
ISBN 13 : 9780160943966
Total Pages : 64 pages
Book Rating : 4.9/5 (439 download)
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
Author : Anna Beth Pridmore
Publisher :
ISBN 13 :
Total Pages : 379 pages
Book Rating : 4.:/5 (427 download)
Download or read book Development of Composite Renewal Systems for Rapid Rehabilitation and Construction of Bridge Decks written by Anna Beth Pridmore and published by . This book was released on 2009 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: The deterioration of steel in aging reinforced concrete bridges is a continual problem which could benefit from improved rehabilitation techniques that take advantage of enhanced and more durable materials such as fiber reinforced polymer (FRP) composites. Appropriately designed hybrid material systems benefit from the performance and durability advantages of FRP materials yet remain more cost effective than comparable all-composite systems. Development of rapid rehabilitation systems for the decks of concrete box girder bridges, which are increasingly common throughout the United States, is presented. One goal of this research is to assess and validate the use of FRP composite panels for use as both stay-in-place formwork and as the bottom longitudinal and transverse reinforcement in the deck of concrete box girder bridges. Performance assessments for full-scale two-cell box girder bridge specimens through monotonic and extensive cyclic loading provided validation for the FRP panel system bridge deck as a viable rehabilitation solution for box girder bridge decks. The FRP panel system performed comparably to a conventionally reinforced concrete bridge deck in terms of serviceability, deflection profiles, and system level structural interaction and performed superior to the RC bridge deck in terms of residual deflections, and structural response under cyclic loading. Assessment of a damaged FRP panel bridge deck system, which was repaired using a resin injection technique, showed superior performance for the repaired system in terms of integrity of the FRP panel interface and cyclic response. Rapid rehabilitation techniques for strengthening reinforced concrete box girder bridge deck overhangs using near-surface-mounted (NSM) carbon fiber reinforced polymer (CFRP) were also evaluated. Analytical predictions of load carrying capacity and deflections provided correlation with experimental results, and the developed analysis methods provide an effective design tool for future research. Results from the laboratory testing of a bridge deck overhang strengthened with FRP showed significant increases in load carrying capacity as well as deformation capacity as compared to the as-built specimen without FRP. This research provides enhanced understanding of hybrid structures and indicates significant potential for rehabilitation applications to concrete box girder bridges.
Author : Alyssa E. Schorer
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.3/5 (555 download)
Download or read book Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened FRP Strips written by Alyssa E. Schorer and published by . This book was released on 2008 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many timber trestle railroad bridges in Wisconsin have experienced deterioration and are in need of rehabilitation. In addition, the railroad industry is increasing the weights of cars. The combined effect of heavier loads and deterioration threatens to cut short the service life of timber bridges. One of the most critical problems that has been identified was the overloading of timber piles in bridges, which can be remedied by creating a stiffer pile cap. The goal of this investigation was to show that mechanically fastened fiber reinforced polymer (MFFRP) strips fastened to timber with screws can be used to create composite action between two beams in flexure or truss action between two deep beams. Ultimately this may help redistribute the loads to piles when FRP strips are used as struts on cap beams over short spans. Several test series were conducted with beams in flexure, deep beams over short spans, and full scale specimens to determine the manner in which FRP strips improved the members' performance. Tests were conducted over various widths of beams and lengths of spans to investigate how the geometry affected the strengthening's action improved load distribution to piles. Mechanically fastened FRP strips were found to be effective in developing composite action in slender beams in flexure, meaning the stiffness of the system was increased by using MF-FRP strips. This MF-FRP method showed great potential for creating composite, stiffer double pile caps.
Author : Luke Soo-won Lee
Publisher :
ISBN 13 :
Total Pages : 618 pages
Book Rating : 4.:/5 (318 download)
Download or read book Monitoring and Service Life Estimation of Reinforced Concrete Bridge Decks Rehabilitated with Externally Bonded Carbon Fiber Reinforced Polymer (CFRP) Composites written by Luke Soo-won Lee and published by . This book was released on 2005 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ronald W. Anthony
Publisher : Government Printing Office
ISBN 13 : 9780160943966
Total Pages : 60 pages
Book Rating : 4.9/5 (439 download)
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 60 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
Author : Matthew Haberling
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation and Rehabilitation of Historic Metal Truss Bridges written by Matthew Haberling and published by . This book was released on 2004 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Chiewanichakorn
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (125 download)
Download or read book Failure Analysis of Fiber-Reinforced Polymer Bridge Deck System written by M. Chiewanichakorn and published by . This book was released on 2003 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Throughout the United States including New York, many reinforced concrete bridges on county and state highway systems have deteriorated to the certain degree that structural strengthening is necessary to extend their service life. Fiber reinforced polymer (FRP) composite systems appeared to be one of the options to address the issues of cost-effective load-rating improvement. Recently, an FRP deck has been installed on a state highway, located in New York State, as an experimental project. This paper describes multi-step linear static analyses that were conducted using the finite element method to study the possible failure mechanisms of the deck-superstructure system. Finite element model was verified using the load tests of the bridge deck. Furthermore, the thermal behavior of the FRP deck was investigated and presented in this paper. Analytical results reveal several potential failure mechanisms for the FRP deck and truss bridge system.
Author : Mohiuddin Ali Khan
Publisher : Elsevier
ISBN 13 : 0124072259
Total Pages : 651 pages
Book Rating : 4.1/5 (24 download)
Download or read book Accelerated Bridge Construction written by Mohiuddin Ali Khan and published by Elsevier. This book was released on 2014-08-12 with total page 651 pages. Available in PDF, EPUB and Kindle. Book excerpt: The traveling public has no patience for prolonged, high cost construction projects. This puts highway construction contractors under intense pressure to minimize traffic disruptions and construction cost. Actively promoted by the Federal Highway Administration, there are hundreds of accelerated bridge construction (ABC) construction programs in the United States, Europe and Japan. Accelerated Bridge Construction: Best Practices and Techniques provides a wide range of construction techniques, processes and technologies designed to maximize bridge construction or reconstruction operations while minimizing project delays and community disruption. Describes design methods for accelerated bridge substructure construction; reducing foundation construction time and methods by using pile bents Explains applications to steel bridges, temporary bridges in place of detours using quick erection and demolition Covers design-build systems' boon to ABC; development of software; use of fiber reinforced polymer (FRP) Includes applications to glulam and sawn lumber bridges, precast concrete bridges, precast joints details; use of lightweight aggregate concrete, aluminum and high-performance steel
