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Author :
Publisher :
ISBN 13 :
Total Pages : 79 pages
Book Rating : 4.:/5 (343 download)
Download or read book Effectiveness of epoxy-coated reinforcing steel written by and published by . This book was released on 1990 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth C. Clear
Publisher :
ISBN 13 : 9781895102901
Total Pages : 94 pages
Book Rating : 4.1/5 (29 download)
Download or read book Effectiveness of Epoxy-Coated Reinforced Steel written by Kenneth C. Clear and published by . This book was released on 1992-11-01 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary function of an eposy-coating is to act as a barrier to prevent corrosion-causing chloride ions and oxygen from reaching steel surfaces. For more than a decade, epoxy-coated reinforcing steel has generally been effective in reducing or preventing chloride-induced corrosion in bridges and other concrete structures. Recently, however, instances of corrosion problems or premature failures in Florida, Oregon and New York have focussed attention on the product and its quality. This report was initiated as a result of the questions raised by these failures.
Author : Kenneth C. Clear
Publisher : Transportation Research Board
ISBN 13 : 9780309053709
Total Pages : 164 pages
Book Rating : 4.0/5 (537 download)
Download or read book Performance of Epoxy-coated Reinforcing Steel in Highway Bridges written by Kenneth C. Clear and published by Transportation Research Board. This book was released on 1995 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard E. Weyers
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (72 download)
Download or read book Summary Report on the Performance of Epoxy-coated Reinforcing Steel in Virginia written by Richard E. Weyers and published by . This book was released on 2006 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: From 1992 to 2006, the Virginia Transportation Research Council and its contract researchers conducted a long-term systematic series of investigations to evaluate the corrosion protection effectiveness of epoxy-coated reinforcement (ECR) and to identify and recommend the best and most cost-effective corrosion protection system for Virginia bridge decks. This report summarizes this research and subsequent efforts to implement alternative reinforcement. The work was conducted, and is reported, in this general order: review of historical performance of ECR, ECR performance in solutions and concrete, and preliminary field investigations; investigation of field performance of bridge decks built with ECR; assessment of alternative corrosion protection methods; development of probabilistic service life models for bridge decks and laboratory assessment of ECR cores extracted from bridge decks to determine service life extension; efforts to implement alternative reinforcement. The series of studies demonstrated that the epoxy coating on ECR naturally degrades in the highly alkaline moist environment within concrete. The subsequent loss of bond, coupled with the inevitable flaws in the coating induced by construction, leads to an estimated service life benefit of ECR of as little as 3 to 5 years. Further, non-critical decks, beams, and substructure elements not exposed to marine environments, particularly on secondary and rural routes, can be cost-effectively constructed and maintained using low-permeability concrete and black reinforcing bar. However, because the Federal Highway Administration requires the use of corrosion-resistant reinforcement, and because ECR cannot provide adequate corrosion protection for structures designed for a 100-year+ service life as currently recommended by FHWA, the report recommends that the Virginia Department of Transportation amend its specifications regarding the use of ECR to require the use of corrosion-resistant metallic reinforcing bars such as MMFX2, stainless steel clad, and solid stainless steel.
Author : Yash Paul Virmani
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (618 download)
Download or read book Time-to-corrosion of Reinforcing Steel in Concrete written by Yash Paul Virmani and published by . This book was released on 1983 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wallace T. McKeel
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of Epoxy-coated Reinforcing Steel written by Wallace T. McKeel and published by . This book was released on 1993 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Virginia's first installation of epoxy-coated reinforcing steel, which was opened to traffic in 1977, was evaluated during construction and through 13 years of service. It was apparent at the time of construction that the integrity of the coating application did not meet the requirements of the specifications There were many flaws and holidays in the coatings on all of the bars, and patching with a liquid epoxy compound was not effective. Although the applicability of the findings, which are based on an application that does not represent the best practice, may be limited, useful information on the durability of the coated steel and its role in protecting the deck was developed. It was found that the coated reinforcement was exposed to relatively high chloride concentrations at transverse cracks in the decks early in the life of the structures, but the decks remained in good condition throughout the evaluation period. It was concluded that despite the poor coatings, the coated reinforcing steel contributed to the deck's durability by providing enhanced protection at critical cracked sections. Rebars taken from deck cores showed no signs of rusting, although the steel had a dull dark gray finish that may be underfilm corrosion. No debonding of the coating was evident.
Author : Alberto A. Sagüés
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (248 download)
Download or read book Mechanism of Corrosion of Epoxy-coated Reinforcing Steel in Concrete written by Alberto A. Sagüés and published by . This book was released on 1991 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Concrete Reinforcing Steel Institute
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (377 download)
Download or read book CRSI Performance Research written by Concrete Reinforcing Steel Institute and published by . This book was released on 1992 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Time-to-corrosion of Reinforcing Steel in Concrete Slabs: Calcium nitrite admixture or epoxy-coated reinforcing bars as corrosion protection systems written by and published by . This book was released on 1973 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.P/5 (25 download)
Download or read book Report written by and published by . This book was released on 2006 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. G. Russell
Publisher : Transportation Research Board
ISBN 13 : 0309070112
Total Pages : 188 pages
Book Rating : 4.3/5 (9 download)
Download or read book Concrete Bridge Deck Performance written by H. G. Russell and published by Transportation Research Board. This book was released on 2004 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: At head of title: National Cooperative Highway Research Program.
Author : Arnon Bentur
Publisher : CRC Press
ISBN 13 : 9780419225300
Total Pages : 214 pages
Book Rating : 4.2/5 (253 download)
Download or read book Steel Corrosion in Concrete written by Arnon Bentur and published by CRC Press. This book was released on 1997-10-09 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Poor durability of concrete is a major cause of problems in modern building and civil engineering structures in all countries: the annual cost of investigating and repairing deteriorating reinforced concrete structures runs into many millions of pounds. This book explains the fundamentals of the corrosion of steel in concrete. It is comprehensive and provides a basis for the practising engineer to design concrete structures which avoid the problem using modern concepts and specifications. A limited discussion of corrosion measurement and repairs is also provided.
Author : Henry J. Gillis
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (315 download)
Download or read book Field Examination of Epoxy-coated Rebars in Concrete Bridge Decks written by Henry J. Gillis and published by . This book was released on 1994 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coating reinforcing bars with epoxy was assumed to be the answer to corrosion problems in highway structures when it was developed. In the last few years, this assumption has been seriously questioned. Cases of damage to structures resulting from corrosion of epoxy coated steel have been reported in Florida, New York and Ontario. In 1992, the Physical Research Section was asked by the Office of Bridges and Structures at the Minnesota Department of Transportation to conduct a limited field survey to determine if a problem existed in Minnesota. The first bridge built with epoxy coated rebars in Minnesota shows no signs of distress almost 20 years after construction. The corrosion of epoxy coated rebars that has been observed elsewhere was not discovered by this survey. The prestressed girder bridges included in this survey showed fewer transverse cracks than the steel girder bridges.
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.3/5 (91 download)
Download or read book FHWA Nationally Coordinated Program of Highway Research, Development, and Technology. Annual Progress Report. Fiscal Year 1993 written by and published by . This book was released on 1993 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Seung-Kyoung Lee
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (1 download)
Download or read book Long-term Performance of Epoxy-coated Reinforcing Steel in Heavy Salt-contaminated Concrete written by Seung-Kyoung Lee and published by . This book was released on 2004 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.3/5 (91 download)
Download or read book FHWA Nationally Coordinated Program of Highway Research, Development, and Technology. Annual Progress Report. Fiscal Year 1992 written by and published by . This book was released on 1992 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Valérie L'Hostis
Publisher : Springer
ISBN 13 : 9402409041
Total Pages : 95 pages
Book Rating : 4.4/5 (24 download)
Download or read book Performance Assessment of Concrete Structures and Engineered Barriers for Nuclear Applications written by Valérie L'Hostis and published by Springer. This book was released on 2016-09-06 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main outcomes of RILEM TC-226-CNM are summarized in this book. Key input was provided by researchers from countries that are main contributors in the R&D, design, construction, operation, and regulation of waste nuclear reinforced concrete facilities. Nuclear power plants and many of the facilities and structures used for the management of radioactive waste materials generated by the fuel cycle use concrete in their construction. RILEM TC 226 CNM covered several areas including functional and performance requirements for concrete structures; degradation processes; phenomenological modelling, field experiences, tests approaches, instrumentation and monitoring methods dedicated to performance assessments; service-life models; aging Management of Nuclear Power Plants, repair techniques; codes and standards specific to radioactive waste facilities.
