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An Evaluation Of New Inhibitors For Rebar Corrosion In Concrete
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Book Synopsis An Evaluation of New Inhibitors for Rebar Corrosion in Concrete by : Brian D. Chambers
Download or read book An Evaluation of New Inhibitors for Rebar Corrosion in Concrete written by Brian D. Chambers and published by . This book was released on 2003 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The corrosion of reinforcing steel in concrete is estimated to affect more than 50% of the 575,000 bridges in the United States. One approach to mitigating this problem is to use corrosion-inhibitive compounds admixed into the concrete paste. This study sought to examine the corrosion inhibition performance of a series of compounds admixed into high-quality concrete and to delineate the effects of these compounds on the concrete with regard to the corrosion process. A series of eight compounds were admixed into Type A4 concrete. The compounds tested were aminoethylethanolamine, aminothiophenol, di-sodium Beta-glycerophosphate, calcium nitrite, di-n-butyl sulfoxide, lithium nitrate, sodium metasilicate, and nitrilotriphosphonic acid. Concrete blocks were cast, into which were placed 0.009-in.-diameter 1040 steel wires. The corrosion rate was assessed via a resistance change measurement (RCM) of these wires over time using a temperature-corrected four-point resistance measurement. The time-to-open circuit for the wires was also monitored. RCM was compared to (1) electrochemical impedance spectroscopy results of tests conducted in a simulated pore solution, and (2) chloride permeability measurements of the concrete as per ASTM C 1202. The effect of the admixtures on the compressive strength and density of the concrete was also assessed. RCM and time-to-open circuit results showed that four test inhibitors had equal or better corrosion prevention at 2 years of testing compared to a widely used commercial mix (DCI). These test inhibitors included di-sodium Beta-glycerophosphate (0.283 mol/cu ft and 0.815 mol/cu ft), aminoethylethanolamine (0.815 mol/cu ft), lithium nitrate (0.815 mol/cu ft), and sodium metasilicate (0.815 mol/cu ft). After 100 weeks, 33% to 44% of the wires were active in concrete admixed with these test compounds, whereas only 25% of the wires were active in concrete admixed with DCI. This research has also shown that the performance of a corrosion inhibitor in high-quality concrete is a function of numerous interrelated factors that are not predicted from any single laboratory test. These tests provide promising results for alternative inhibitive admixtures for standard Type A4 concrete. It is recommended that additional tests be conducted on concrete mixtures containing slag and fly ash using multiple concentrations of the four most promising inhibitors. Further testing may lead to the implementation of a better corrosion-inhibiting admixture, thus increasing the service life of bridges.
Book Synopsis Corrosion Inhibitors for Steel in Concrete by : Bernhard Elsener
Download or read book Corrosion Inhibitors for Steel in Concrete written by Bernhard Elsener and published by CRC Press. This book was released on 2001 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of inhibitors for rehabilitation of reinforced concrete structures is a new field of application and this new volume provides a State of the Art Report on this subject. Corrosion of steel in concrete is one of the major problems for infrastructure such as bridges, tunnels, housing etc. since it leads to spalling of the concrete and loss in cross section of the steel that may cause structural and safety problems. The steel in concrete generally resists corrosion as a result of a passive layer that develops on the metal surface in the alkaline environment of the concrete. Corrosion can occur if these conditions are disturbed, for example, in the presence of chlorides or with carbonation of concrete. Traditional repair methods consist in removing the deteriorated concrete and replacing it but these can be laborious, noisy and very costly. To avoid these disadvantages new methods have been developed in recent years. These include electrochemical procedures and, increasingly, the use of inhibitors. The use of inhibitors for rehabilitation of reinforced concrete structures is a new field of application and this new volume provides a State of the Art Report on this subject.The report, under the editorship of Prof. Bernhard Elsener, was prepared by a Task Group of the EFC Working Party on Corrosion of Reinforcement in Concrete. In a literature review it describes inorganic and organic chemicals that have been proposed and examined as well as the commercial corrosion inhibitors that are available on the market. Protection mechanism and possible effects of inhibitors on concrete properties are described. Practical experience with inhibitors for steel in concrete and the long term effectiveness are considered. The various test methods for evaluating the behaviour of the inhibitors are described and critically assessed. In a rapidly evolving field this State of the Art Report, based mainly on independent not commercial literature, will be of value to corrosion engineers and civil engineers concerned with maintenance and repair of reinforced concrete structures.
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 Corrosion of Reinforcement in Concrete (EFC 25) by : J. Mietz
Download or read book Corrosion of Reinforcement in Concrete (EFC 25) written by J. Mietz and published by CRC Press. This book was released on 2020-08-13 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book compiles the full papers presented in the successful session "Corrosion of Steel in Concrete" at EUROCORR '97. It highlights the areas of technical development in this field, including monitoring of steel reinforcement corrosion, prevention of corrosion and electrochemical repair methods.
Download or read book Virginia State Documents written by and published by . This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion Inhibitors, Principles and Recent Applications by : Mahmood Aliofkhazraei
Download or read book Corrosion Inhibitors, Principles and Recent Applications written by Mahmood Aliofkhazraei and published by BoD – Books on Demand. This book was released on 2018-04-04 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: To protect metals or alloys from corrosion, some methods can be used such as isolating the structure from the aggressive media or compensating the loss of electrons from the corroded structure. The use of corrosion inhibitors may include organic and inorganic compounds that adsorb on the metallic structure to isolate it from its surrounding media to decrease oxidation-reduction processes. This book collects new developments about corrosion inhibitors and their recent applications.
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 Corrosion of Reinforcement in Concrete by : M Raupach
Download or read book Corrosion of Reinforcement in Concrete written by M Raupach and published by Woodhead Publishing. This book was released on 2014-01-23 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Given the widespread use of reinforced concrete in infrastructure, understanding the corrosion of this material is of major importance. As a result there has been a wealth of research into catalysts, inhibitors and effective means of monitoring the rate of corrosion. Corrosion of reinforcement in concrete: mechanisms, monitoring, inhibitors and rehabilitation techniques summarises some of the most significant research and its implications.The book begins by reviewing findings from various experiments designed to test the corrosion rate of metals induced by a range of factors. Later chapters discuss techniques for monitoring and testing for corrosion. The book concludes by assessing important methods of prevention, including corrosion inhibitors, protective coatings and electrochemical methods for protection, together with rehabilitation procedures for susceptible structures.Filled with practical examples and written by a distinguished team of international contributors, Corrosion of reinforcement in concrete: mechanisms, monitoring, inhibitors and rehabilitation techniques is an essential reference for civil engineers using reinforced concrete. - Summarises research into catalysts, inhibitors and effective means of monitoring the rate of corrosion - Concludes by assessing important methods of prevention
Book Synopsis Challenges in Corrosion by : V. S. Sastri
Download or read book Challenges in Corrosion written by V. S. Sastri and published by John Wiley & Sons. This book was released on 2015-07-07 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides detailed methods to reduce or eliminate damage caused by corrosion Explains the human and environmental costs of corrosion Explains causes of and various types of corrosion Summarizes the costs of corrosion in different industries, including bridges, mining, petroleum refining, chemical, petrochemical, and pharmaceutical, pulp and paper, agricultural, food processing, electronics, home appliances etc Discusses the technical aspects of the various methods available to detect, prevent, and control corrosion
Book Synopsis Handbook of Research on Recent Developments in Materials Science and Corrosion Engineering Education by : Lim, Hwee Ling
Download or read book Handbook of Research on Recent Developments in Materials Science and Corrosion Engineering Education written by Lim, Hwee Ling and published by IGI Global. This book was released on 2015-02-28 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest research innovations and enhanced technologies have altered the discipline of materials science and engineering. As a direct result of these developments, new trends in Materials Science and Engineering (MSE) pedagogy have emerged that require attention. The Handbook of Research on Recent Developments in Materials Science and Corrosion Engineering Education brings together innovative and current advances in the curriculum design and course content of MSE education programs. Focusing on the application of instructional strategies, pedagogical frameworks, and career preparation techniques, this book is an essential reference source for academicians, engineering practitioners, researchers, and industry professionals interested in emerging and future trends in MSE training and education.
Book Synopsis Uhlig's Corrosion Handbook by : R. Winston Revie
Download or read book Uhlig's Corrosion Handbook written by R. Winston Revie and published by John Wiley & Sons. This book was released on 2011-04-12 with total page 1299 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as a reference for engineers, scientists, and students concerned with the use of materials in applications where reliability and resistance to corrosion are important. It updates the coverage of its predecessor, including coverage of: corrosion rates of steel in major river systems and atmospheric corrosion rates, the corrosion behavior of materials such as weathering steels and newer stainless alloys, and the corrosion behavior and engineering approaches to corrosion control for nonmetallic materials. New chapters include: high-temperature oxidation of metals and alloys, nanomaterials, and dental materials, anodic protection. Also featured are chapters dealing with standards for corrosion testing, microbiological corrosion, and electrochemical noise.
Book Synopsis Significance of Tests and Properties of Concrete and Concrete-making Materials by : Joseph F. Lamond
Download or read book Significance of Tests and Properties of Concrete and Concrete-making Materials written by Joseph F. Lamond and published by ASTM International. This book was released on 2006 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion Protection by : Yash Paul Virmani
Download or read book Corrosion Protection written by Yash Paul Virmani and published by . This book was released on 1998 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recognizing the burden that reinforcing steel corrosion imposes on natural resources, the Federal Highway Administration established Corrosion Protection for Concrete Bridges as one of the high-priority areas (HPAs) in its Structures Research Program. This report summarizes the progress made through research efforts conducted under these programs. The results presented cover (A) corrosion control in new concrete constructions (adequate concrete cover, quality concrete, rebar coatings, corrosion inhibiting admixtures, and corrosion protection of prestressed concrete bridge members) and (B) corrosion control for rehabilitation of existing concrete structures (conventional rehabilitation methods, cathodic protection, and electrochemical removal of chloride).
Book Synopsis Proceedings of the 3rd Pan American Materials Congress by : Marc André Meyers
Download or read book Proceedings of the 3rd Pan American Materials Congress written by Marc André Meyers and published by Springer. This book was released on 2017-02-07 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection covers a variety of materials science topics and has contributions from leading scientists and engineers representing 8 countries and 9 international materials, metals, and minerals societies. Papers are organized into the following sections:Advanced BiomaterialsAdvanced ManufacturingMaterials for Green Energy Materials for Infrastructure Materials for the Oil and Gas Industry Materials for Transportation and LightweightingMinerals Extraction and ProcessingNanocrystalline and Ultra-fine Grain Materials and Bulk Metallic Glasses Steels
Book Synopsis Nondestructive Evaluation of Highways, Utilities, and Pipelines by :
Download or read book Nondestructive Evaluation of Highways, Utilities, and Pipelines written by and published by . This book was released on 2000 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eco-Friendly Corrosion Inhibitors by : Lei Guo
Download or read book Eco-Friendly Corrosion Inhibitors written by Lei Guo and published by Elsevier. This book was released on 2022-06-21 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eco-Friendly Corrosion Inhibitors: Principles, Designing, and Applications wraps up new developments in corrosion inhibitors and their current applications in real-life environments such as in strong acidic pickling and petroleum-based liquids. The book covers several types of environmentally-friendly corrosion inhibitors in detail. In addition, it highlights both established research and technology on industrial scale corrosion inhibitors and their rapidly emerging aspects and future research directions. - Provides fundamental basics and applied practices of corrosion prevention at industrial scale - Serves as a valuable reference for scientists and engineers who are searching modern design for industrial scale corrosion inhibitors - Focuses on the most advanced industrial scale corrosion inhibitors, including current challenges during manufacturing - Includes up-to-date reference material such as websites of interest and information about the latest research
Book Synopsis Corrosion of Steel in Concrete by : Luca Bertolini
Download or read book Corrosion of Steel in Concrete written by Luca Bertolini and published by John Wiley & Sons. This book was released on 2013-02-26 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steel-reinforced concrete is used ubiquitously as a building material due to its unique combination of the high compressive strength of concrete and the high tensile strength of steel. Therefore, reinforced concrete is an ideal composite material that is used for a wide range of applications in structural engineering such as buildings, bridges, tunnels, harbor quays, foundations, tanks and pipes. To ensure durability of these structures, however, measures must be taken to prevent, diagnose and, if necessary, repair damage to the material especially due to corrosion of the steel reinforcement. The book examines the different aspects of corrosion of steel in concrete, starting from basic and essential mechanisms of the phenomenon, moving up to practical consequences for designers, contractors and owners both for new and existing reinforced and prestressed concrete structures. It covers general aspects of corrosion and protection of reinforcement, forms of attack in the presence of carbonation and chlorides, problems of hydrogen embrittlement as well as techniques of diagnosis, monitoring and repair. This second edition updates the contents with recent findings on the different topics considered and bibliographic references, with particular attention to recent European standards. This book is a self-contained treatment for civil and construction engineers, material scientists, advanced students and architects concerned with the design and maintenance of reinforced concrete structures. Readers will benefit from the knowledge, tools, and methods needed to understand corrosion in reinforced concrete and how to prevent it or keep it within acceptable limits.
