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Author : Habib Tabatabai
Publisher :
ISBN 13 :
Total Pages : 342 pages
Book Rating : 4.3/5 (555 download)
Download or read book Rehabilitation Techniques for Concrete Bridges written by Habib Tabatabai and published by . This book was released on 2005 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. P. Mallett
Publisher : Thomas Telford
ISBN 13 : 9780727720078
Total Pages : 216 pages
Book Rating : 4.7/5 (2 download)
Download or read book Repair of Concrete Bridges written by G. P. Mallett and published by Thomas Telford. This book was released on 1994 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a review of the repair, maintenance and protection of concrete bridges. This book summarizes information from conference papers, research and technical reports, and others. It aims to increase the expertise of structural engineers and safeguard the investment. It presents solutions to the problems and pitfalls that engineers encounter.
Author :
Publisher :
ISBN 13 :
Total Pages : 169 pages
Book Rating : 4.:/5 (292 download)
Download or read book Concrete Bridge Protection and Rehabilitation written by and published by . This book was released on 1993 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examined and developed feasible chemical methods for the corrosion protection of reinforcing steel in concrete bridges. A broad spectrum of chemicals were evaluated: corrosion inhibitors, chloride scavengers, and polyaphrons. Inhibitors were evaluated and recommendations were made. Reinforced concrete specimens were cast and subjected to repeated exposure to sodium chloride solution and evaluated to investigate the inhibitors effectiveness after removing contaminated concrete. Corrosion progress was monitored. Polyaphrons were investigated as a possible corrosion preventor/reducer inhibitor. Based on results, polyaphrons are not recommended as a practical concrete bridge treatment.
Author : Radomski Wojciech
Publisher : Imperial College Press
ISBN 13 : 1911298798
Total Pages : 492 pages
Book Rating : 4.9/5 (112 download)
Download or read book Bridge Rehabilitation written by Radomski Wojciech and published by Imperial College Press. This book was released on 2002-10-28 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last two decades, the rapid deterioration of bridge structures has become a serious technical and economical problem in many countries, including highly developed ones. Therefore, bridge rehabilitation has also become a very essential factor (sometimes even a decisive one) in contemporary bridge engineering. The book covers in synthetic form nearly all the most important problems concerning bridge rehabilitation, such as bridge superstructure and substructure, the typical damage observed in bridges as well as the assessment and evaluation techniques of their technical condition. The book is intended mainly for postgraduate university students. Therefore, all the problems are mostly presented in their physical, chemical and technical as well as economical aspects. The relevant requirements are treated as objective ones, i.e. irrespective of the rules, standards, regulations or guidelines particular to any country. This approach to the subject gives the book a more general character and therefore makes it a useful text for most civil engineering courses./a
Author : Richard E. Weyers
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 : 9780309056168
Total Pages : 268 pages
Book Rating : 4.0/5 (561 download)
Download or read book Concrete Bridge Protection, Repair, and Rehabilitation Relative to Reinforcement Corrosion written by Richard E. Weyers and published by Strategic Highway Research Program (Shrp). This book was released on 1993 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual is a practical guide for state highway agency personnel who are faced with the day-to-day task of cost-effectively protecting repairing, and rehabilitating concrete bridges exposed to chloride laden environments. The manual addresses the chloride induced corrosion of reinforcing steel. Methods are presented to estimate the service life and remaining service life of concrete bridge components. Economic models are presented to enable selection of the most cost effective methods. These methods include standard physical, chemical, and experimental protection, repair, and rehabilitation. Also, rapid bridge deck protection, repair, and rehabilitation methods are presented. Two mechanized concrete removal methods, milling and hydrodemolition, are compared to the traditional method, pneumatic breakers. The advantages of combining the strengths of the three removal methods are also presented.
Author : Mourad M. Bakhoum
Publisher : IABSE
ISBN 13 : 3857481242
Total Pages : 196 pages
Book Rating : 4.8/5 (574 download)
Download or read book Case Studies of Rehabilitation, Repair, Retrofitting, and Strengthening of Structures written by Mourad M. Bakhoum and published by IABSE. This book was released on 2010 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohiuddin A. Khan
Publisher : McGraw Hill Professional
ISBN 13 : 0071545921
Total Pages : 657 pages
Book Rating : 4.0/5 (715 download)
Download or read book Bridge and Highway Structure Rehabilitation and Repair written by Mohiuddin A. Khan and published by McGraw Hill Professional. This book was released on 2010-02-08 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: State-of-the-Art Bridge and Highway Rehabilitation and Repair Methods This authoritative volume offers up-to-date guidance on the latest design techniques, repair methods, specialized software, materials, and advanced maintenance procedures for bridges and highway structures. Focusing on both traditional and nontraditional design issues, Bridge and Highway Structure Rehabilitation and Repair clarifies the most recent AASHTO bridge design codes and discusses new analytical and design methodologies, such as the application of load and resistance factor design (LRFD). A wealth of concise explanations, solved examples, and in-depth case studies are included in this comprehensive resource. COVERAGE INCLUDES: Diagnostic design and selective reconstruction Bridge failure studies and safety engineering Analytical approach to fracture and failure Load and resistance factor rating (LRFR) and redesign Application of LRFD and LRFR methods Inspection and structural health monitoring Bridge widening and replacement strategies Conventional repair methods Advanced repair methods Concrete repair methods Extreme events of flood scour and countermeasures design Guidelines for seismic design and retrofit methods
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 : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4./5 ( download)
Download or read book An Introduction to Concrete Bridge Repairs for Construction Managers written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2022-05-22 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for construction managers interested in repair of concrete bridges. Here is what is discussed: Preventive Maintenance 1. INTRODUCTION, 2. SURFACE COATING, 3. JOINT MAINTENANCE, 4. CATHODIC PROTECTION Repair and Strengthen 5. GENERAL REQUIREMENTS, 6. CRACK REPAIRS, 7. SPALL REPAIR, 8. JOINT REPAIR, 9. ABUTMENTS AND WINGWALLS, 10. BRIDGE SEATS, 11. COLUMNS AND PILES, 12. STRINGERS AND BEAMS, 13. DECKS, 14. REPLACEMENT OF CONCRETE MEMBERS Upgrade Concrete Bridges 15. GENERAL UPGRADE METHODS, 16. STRENGTHEN INDIVIDUAL MEMBERS, 17. PRESTRESSED CONCRETE MEMBERS
Author : Michael M. Sprinkel
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (1 download)
Download or read book Concrete Bridge Protection and Rehabilitation written by Michael M. Sprinkel and published by Strategic Highway Research Program (Shrp). This book was released on 1993 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the rapid methods used by state highway agencies for the protection, repair and rehabilitation of bridge decks. The report is based on a review of the literature; the responses to questionnaires sent to state departments of transportation, Canadian provinces, selected turnpike and thruway authorities, technology transfer centers, and material suppliers; and the evaluation of 50 bridge decks located in seven states. Polymer overlays, sealers, high-early strength hydraulic cement concrete overlays, and patches are compared for their performance characteristics and service life.
Author : V. K. Raina
Publisher : McGraw Hill Professional
ISBN 13 : 9780074623497
Total Pages : 570 pages
Book Rating : 4.6/5 (234 download)
Download or read book Concrete Bridges: Inspection, Repair, Strengthening, Testing and Load Capacity Evaluation written by V. K. Raina and published by McGraw Hill Professional. This book was released on 1996 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to inspecting, maintaining, and rehabilitating various types of concrete and composite bridges. It also discusses emergency measures you can take to keep bridges operating safely until they can be rehabilitated. It provides civil and structural engineers with methods for conducting safety inspections, condition surveys, and more.
Author : Richard E. Weyers
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.E/5 ( download)
Download or read book Concrete Bridge Protection and Rehabilitation written by Richard E. Weyers and published by . This book was released on 1994 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a study on estimating the service life cycle of reinforced concrete bridge components exposed to chloride-laden environments. Current treatment options are identified and an opinion survey was used to obtain first estimates of service life. To estimate the service life of untreated and rehabilitated bridge decks, data from 52 bridge decks distributed in different environmental conditions were collected. Models estimating the service life of untreated and rehabilitated bridge decks were developed and compared with models developed based on historical data and the time-to-rehabilitate model.
Author : Frieder Seible
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.0/5 ( download)
Download or read book Strengthening Techniques for Reinforced Concrete Bridge Superstructures written by Frieder Seible and published by . This book was released on 1990 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.S. Nowak
Publisher : Springer Science & Business Media
ISBN 13 : 9400921535
Total Pages : 618 pages
Book Rating : 4.4/5 (9 download)
Download or read book Bridge Evaluation, Repair and Rehabilitation written by A.S. Nowak and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluation, repair and rehabilitation of bridges are increasingly important topics in the effort to deal with the deteriorating infrastructure. For example, in the United States about 40 percent of the nation's 570,000 bridges are classified, according to the Federal Highway Administra tion's (FHW A) criteria, as deficient and in need of rehabilitation and replacement. In other countries the situation is similar. FHW A estimates the cost of a bridge replacement and reha bilitation program at 50 billion dollars. The major factors that have contributed to the present situation are: the age, inadequate maintenance, increasing load spectra and environmental contamination. The deficient bridges are posted, repaired or replaced. The disposition of bridges involves clear economical and safety implications. To avoid high costs of replacement or repair, the evaluation must accurately reveal the present load carrying capacity of the struc ture and predict loads and any further changes in the capacity (deterioration) in the applicable time span. Accuracy of bridge evaluation can be improved by using the recent developments in bridge diagnostics, structural tests, material tests, structural analysis and probabilistic methods. There is a need for an international exchange of advanced experience to increase the research effi ciency. The Workshop is organized on the premise that the exchange of existing American and European experience in the area of bridge evaluation, repair and rehabilitation is beneficial for both parties involved.
Author : Edward J. Gannon
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (292 download)
Download or read book Concrete Bridge Protection and Rehabilitation written by Edward J. Gannon and published by . This book was released on 1993 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides cost information on chemical and physical techniques for concrete bridge protection and rehabilitation. The information provided here constitutes an essential component in the process of determining life-cycle costs for ranking of alternative protection/rehabilitation techniques. Most of the cost data were obtained from bid tabulations provided by state highway agencies. Costs obtained from the bid tabulations were converted to mid-1991 national average values. The latter data for each protection/rehabilitation treatment were subjected to detailed statistical analysis in order to develop cost models reflecting the effect of 4 independent variables: work quantity, number of bids, total contract cost, and cost of maintenance and protection of traffic. Eight combinations of these 4 variables were developed to be the independent variables in the regression analyses. An inverse power mathematical model was used. The details of this study are described.
Author :
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (555 download)
Download or read book Rapid Strengthening of Reinforced Concrete Bridges written by and published by . This book was released on 2002 with total page 336 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
