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Effect Of Reinforcement Corrosion On The Structural Performance Of Reinforced Concrete Beams
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Book Synopsis Effect of Reinforcement Corrosion on the Structural Performance of Reinforced Concrete Beams by : Gavin De Vos Theron
Download or read book Effect of Reinforcement Corrosion on the Structural Performance of Reinforced Concrete Beams written by Gavin De Vos Theron and published by . This book was released on 1994* with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Performance of Reinforced Concrete Beams Subjected to Service Loads Coupled with Corrosion of Flexural Reinforcement by : Abdullah Al-Bayti
Download or read book Structural Performance of Reinforced Concrete Beams Subjected to Service Loads Coupled with Corrosion of Flexural Reinforcement written by Abdullah Al-Bayti and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion of steel reinforcement has been identified as one of the major problems facing many existing reinforced concrete structures including bridges. The exposure to aggressive environmental conditions such as those with high concentrations of chloride ions due to the use of de-icing salt in cold regions or high concentrations of carbon dioxide due to increased greenhouse gas emissions, accelerate the initiation process of corrosion. As corrosion initiates, the structural performance in terms of load-carrying capacity, ductility, and service life deteriorate over time. Coupling the effect of reinforcement corrosion with service loads may further weaken the structural performance of reinforced concrete bridges due to the presence of transverse load-induced cracks. Accordingly, a research program was conducted to evaluate the structural performance of reinforced concrete beams subjected to coupled effects of service loads and reinforcement corrosion. The research project consisted of combined experimental and numerical investigations. The experimental phase consisted of tests of nine small-scale beams and six large-scale beams. The beams were designed, constructed, instrumented, and loaded under a four-point load test. The primary test variables were the applied corrosion current density, level of corrosion, and level of sustained loading as percentage of beam ultimate capacity (0% Pu, 40% Pu, and 60% Pu). The corrosion level of steel reinforcement was quantitatively assessed using gravimetric weight measurements and three-dimensional laser scanner technique. Test results indicated that failure of corroded RC beams was brittle due to premature rupture of corroded steel bars, which was attributed to the development of localized corrosion at the sections with flexural cracks in beams. Furthermore, it was found that beams subjected to higher levels of service loads, experienced further reductions in ultimate load capacity and ductility. In addition, tensile tests were used to evaluate the effect of corrosion on the mechanical performance of steel bars retrieved from the corroded beams. It was found that the tensile strength of corroded steel bars, based on nominal sectional area, was reduced with the increase of corrosion levels. In contrast, the tensile strength, based on minimum sectional area, was not influenced by the non-uniform distribution and localization of corrosion. In fact, there was a slight increase in strength with the increase of corrosion levels. The numerical phase consisted of finite element analyses of beams using DIANA FE analysis software. A simplified approach was implemented to introduce the damage induced by corrosion into two-dimensional nonlinear FE models, based on the experimental testing of corroded beams and corroded steel bars. The analyses were reasonably accurate in predicting cracking patterns, residual load capacity, residual ductility, and failure modes of corroded beams. Subsequently, the validated model was used to conduct a parametric study on the level of service loads, level of corrosion, strength of concrete, and tensile reinforcement ratio. It was found that the FE model of corroded beams was strongly influenced by the level of service loads, level of corrosion, and tensile reinforcement ratio.
Book Synopsis Corrosion in Reinforced Concrete Structures by : H Böhni
Download or read book Corrosion in Reinforced Concrete Structures written by H Böhni and published by Elsevier. This book was released on 2005-01-20 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reinforced concrete has the potential to be very durable and capable of withstanding a variety of adverse environmental conditions. However, failures in the structures do still occur as a result of premature reinforcement corrosion. In this authoritative book the fundamental aspects of this complex process are analysed; focusing on corrosion of the reinforcing steel, and looking particularly, at new scientific and technological developments. Monitoring techniques, including the newly developed online-monitoring, are examined, as well as the numerical methods used to simulate corrosion and perform parameter studies. The influence of composition and microstructure of concrete on corrosion behaviour is explored. The second half of the book, which deals with corrosion prevention methods, starts with a discussion on stainless steels as reinforcement materials. There are comprehensive reviews of the use of surface treatments and coatings, of the application of corrosion inhibitors and of the application of electrochemical techniques. In each case the necessary scientific fundamentals are explained and practical instances of use are looked at. This is an invaluable guide for engineers, materials scientists and researchers in the field of structural concrete. Fundamental aspects of corrosion in concrete are analysed in detail Explores how to minimise the effects of corrosion in concrete Invaluable guide for engineers, materials scientists and researchers in the field of structural concrete
Book Synopsis The Effect of Reinforcement Corrosion on the Structural Performance of Concrete Flexural Members by : Mahmoud Sabry Abdelwahhab Elgarf
Download or read book The Effect of Reinforcement Corrosion on the Structural Performance of Concrete Flexural Members written by Mahmoud Sabry Abdelwahhab Elgarf and published by . This book was released on 1994 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion of Steel in Concrete Structures by : Amir Poursaee
Download or read book Corrosion of Steel in Concrete Structures written by Amir Poursaee and published by Woodhead Publishing. This book was released on 2023-02-20 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Essential reading for researchers, practitioners, and engineers, this book covers not only all the important aspects in the field of corrosion of steel reinforced concrete but also discusses new topics and future trends. Theoretical concepts of corrosion of steel in concrete structures, the variety of reinforcing materials and concrete, including stainless steel and galvanized steel, measurements and evaluations, such as electrochemical techniques and acoustic emission, protection and maintenance methods, and modelling, latest developments, and future trends in the field are discussed. Comprehensive coverage of the corrosion of steel bars in concrete, investigating the range of reinforcing materials, and types of concrete Introduces the latest measuring methods, data collection, and advanced modeling techniques Second edition covers a range of new, emerging topics such as the concept of chloride threshold value, concrete permeability and chloride diffusion, the role of steel microstructure, and innovations in corrosion detection devices
Book Synopsis Effect of Corrosion on Reinforced Concrete Structures by : Timothy Adikah
Download or read book Effect of Corrosion on Reinforced Concrete Structures written by Timothy Adikah and published by . This book was released on 2016-05-19 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Self-Consolidating Concrete by : Joseph Daczko
Download or read book Self-Consolidating Concrete written by Joseph Daczko and published by CRC Press. This book was released on 2012-03-06 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A very interesting and useful book for all the different practitioners in the concrete industry. Each necessary step is thoroughly dealt with and explained in a nice and pedagogic way." Peter Billberg, Swedish Cement and Concrete Research Institute (CBI)"Quite comprehensive and with a narrative style at the practitioner level." Lloyd Keller, Direc
Book Synopsis Corrosion and its Consequences for Reinforced Concrete Structures by : Raoul Francois
Download or read book Corrosion and its Consequences for Reinforced Concrete Structures written by Raoul Francois and published by Elsevier. This book was released on 2018-01-16 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion and its Consequences for Reinforced Concrete Structures serves as an indispensable guide for engineers, scientists and researchers, exploring the fundamental aspects of corrosion in reinforced concrete. Its originality lies in the coupling between the reinforcement corrosion of reinforced concrete and its mechanical behavior.The authors describe the specific theoretical foundations of the corrosion of steel in concrete and its interactions with the structural aspects, including service cracking and defects in the placement of concrete. The book contains a study of the mechanisms of degradation of the mechanical behavior of reinforcements and the reinforced concrete composite, such as reduction of ductility, bearing capacity, redistribution of efforts by formation of plastic hinges and increase in the beam deflection in service. A diagnostic method based on corrosion-induced crack detection is presented in the book, and then paired with a recalculation method which allows us to predict the different aspects of the residual mechanical behavior. Several end-of-life ELS and ELU criteria are described, and the authors propose an approach to estimate the residual lifetime. Finally, the book presents the cathodic protection that allows the progression of corrosion to be contained within the corroded structures. As well as academics, this book is aimed at civil engineers who are faced with the issue of corrosion in aging structures. Explores corrosion in concrete Examines the influence of pre-cracks on corrosion Discusses corrosion diagnostics and corrosion-induced cracks Presents residual mechanical properties of corroded structures: effect of corrosion on steel behavior, load-bearing capacity, yielding capacity, deflection of corroded beams and the effect of corrosion on bond Provides repair and maintenance considerations: cathodic protection and carbon fiber reinforced polymer used to strengthen and restore bearing capacity
Author :American Society of Civil Engineers Publisher :Amer Society of Civil Engineers ISBN 13 :9780784406700 Total Pages :446 pages Book Rating :4.4/5 (67 download)
Book Synopsis Seismic Evaluation of Existing Buildings by : American Society of Civil Engineers
Download or read book Seismic Evaluation of Existing Buildings written by American Society of Civil Engineers and published by Amer Society of Civil Engineers. This book was released on 2003-01-01 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a three-tiered process for seismic evaluation of existing buildings in any level of seismicity. This standard is intended to serve as a nationally applicable tool for design professionals, code officials, and building owners looking to seismically evaluate existing buildings. It considers various aspects of building performance.
Book Synopsis Reinforced Concrete Deep Beams by : F K Kong
Download or read book Reinforced Concrete Deep Beams written by F K Kong and published by CRC Press. This book was released on 1991-05-01 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: The contents of this book have been chosen with the following main aims: to review the present coverage of the major design codes and the CIRIA guide, and to explain the fundamental behaviour of deep beams; to provide information on design topics which are inadequately covered by the current codes and design manuals; and to give authoritative revie
Author :Vasco Peixoto de de Freitas Publisher :Springer Science & Business Media ISBN 13 :3642374751 Total Pages :277 pages Book Rating :4.6/5 (423 download)
Book Synopsis Durability of Building Materials and Components by : Vasco Peixoto de de Freitas
Download or read book Durability of Building Materials and Components written by Vasco Peixoto de de Freitas and published by Springer Science & Business Media. This book was released on 2013-07-16 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Durability of Building Materials and Components provides a collection of recent research works to contribute to the systematization and dissemination of knowledge related to the long-term performance and durability of construction and, simultaneously, to show the most recent advances in this domain. It includes a set of new developments in the field of durability, service life prediction methodologies, the durability approach for historical and old buildings, asset and maintenance management and on the durability of materials, systems and components. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of professional colleagues.
Book Synopsis The Structural Performance of Reinforced Concrete Elements Damaged by Reinforcement Corrosion by : Reid James Charlton
Download or read book The Structural Performance of Reinforced Concrete Elements Damaged by Reinforcement Corrosion written by Reid James Charlton and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion of Steel in Concrete by : J.P. Broomfield
Download or read book Corrosion of Steel in Concrete written by J.P. Broomfield and published by CRC Press. This book was released on 1996-12-12 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: The corrosion of reinforcing steel in concrete is a major problem facing civil engineers and surveyors throughout the world today. There will always be a need to build stuctures in corrosive environments and it is therefore essential to address the problems that result. Corrosion of Steel in Concrete provides information on corrosion of steel in at
Book Synopsis Rehabilitation of Concrete Structures with Fiber-Reinforced Polymer by : Riadh Al-Mahaidi
Download or read book Rehabilitation of Concrete Structures with Fiber-Reinforced Polymer written by Riadh Al-Mahaidi and published by Butterworth-Heinemann. This book was released on 2018-11-12 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rehabilitation of Concrete Structures with Fiber Reinforced Polymer is a complete guide to the use of FRP in flexural, shear and axial strengthening of concrete structures. Through worked design examples, the authors guide readers through the details of usage, including anchorage systems, different materials and methods of repairing concrete structures using these techniques. Topics include the usage of FRP in concrete structure repair, concrete structural deterioration and rehabilitation, methods of structural rehabilitation and strengthening, a review of the design basis for FRP systems, including strengthening limits, fire endurance, and environmental considerations. In addition, readers will find sections on the strengthening of members under flexural stress, including failure modes, design procedures, examples and anchorage detailing, and sections on shear and torsion stress, axial strengthening, the installation of FRP systems, and strengthening against extreme loads, such as earthquakes and fire, amongst other important topics. Presents worked design examples covering flexural, shear, and axial strengthening Includes complete coverage of FRP in Concrete Repair Explores the most recent guidelines (ACI440.2, 2017; AS5100.8, 2017 and Concrete society technical report no. 55, 2012)
Book Synopsis Building Code Requirements for Structural Concrete (ACI 318M-08) and Commentary by : American Concrete Institute
Download or read book Building Code Requirements for Structural Concrete (ACI 318M-08) and Commentary written by American Concrete Institute and published by . This book was released on 2008 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Corrosion on Reinforced Concrete with Fiber Addition by : Jeremy D. Lewis
Download or read book The Effects of Corrosion on Reinforced Concrete with Fiber Addition written by Jeremy D. Lewis and published by . This book was released on 2012 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion is known to negatively affect the structural integrity of bridges, buildings, and other structures made of concrete. This corrosion damage is both dangerous to the public and expensive to the owner of the structure. This thesis explores the use of polypropylene or basalt fibers to improve the structural performance of concrete that has been subjected to corrosion damage. The use of polypropylene fibers in the concrete mix improves moment capacity and ductility of the tested concrete beams. The result for the basalt fiber also showed an improvement in moment capacity.
Book Synopsis Evaluation of Different Techniques for Repair of Shear-span Corrosion-damaged RC Beams by : Hesham Elhuni
Download or read book Evaluation of Different Techniques for Repair of Shear-span Corrosion-damaged RC Beams written by Hesham Elhuni and published by . This book was released on 2013 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deterioration of reinforced concrete structures due to reinforcement corrosion is a serious problem that faces concrete infrastructure worldwide. Effect of the rebar corrosion in the shear span on the structural behaviour is not fully addressed in the published literature. This study examined the effects of corrosion of the longitudinal reinforcement in the shear span on the structural behaviour of RC beams and the effectiveness of three rehabilitation schemes on the structural performance of such beams.