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Author : Alex Szokolik
Publisher :
ISBN 13 : 9780867691030
Total Pages : 56 pages
Book Rating : 4.6/5 (91 download)
Download or read book Coatings Guide for Steel Bridges written by Alex Szokolik and published by . This book was released on 1998 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Mandeno
Publisher :
ISBN 13 : 9780478419221
Total Pages : 0 pages
Book Rating : 4.4/5 (192 download)
Download or read book Protective Coatings for Steel Bridges written by W. Mandeno and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (156 download)
Download or read book Guide Specification for Application of Coating Systems with Zinc-rich Primers to Steel Bridges written by and published by . This book was released on 2006 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide represents a consensus on best industry practice for shop application of zinc rich primers to previously uncoated bridge steel and includes the proper preparation of the steel surfaces and the mixing, application, and cure of coatings. To simplify the application parameters for a system based on zinc-rich primers on new steel bridges, a series of charts have been developed. These charts provide a convenient summary listing the detailed requirements for surface preparation, environmental conditions, coating application, curing, and verification testing. The guide addresses a three-coat system consisting of primer, intermediate coat, and topcoat, but is appropriate for application of a two-coat system or primer only.
Author :
Publisher :
ISBN 13 :
Total Pages : 123 pages
Book Rating : 4.:/5 (322 download)
Download or read book Maintenance Coating of Weathering Steel written by and published by . This book was released on 1995 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes a 4-year bridge and test fence evaluation of protective coatings for maintaining weathering steel bridges. The test specimens consisted of steel panels cut from existing aged weathering steel bridges, along with some new mill scale bearing weathering steel as a control. The condition of the specimens ranged from extensively pitted and corroded (from chloride exposure) to mildly corroded and non-pitted. Specimens were cut from angle irons, stiffeners, cover plates, and web areas of bridges. Three methods of surface preparation were used: dry abrasive blasting, wet abrasive blasting, and power tool cleaning using rotary peening and non-woven abrasive discs.
Author : Clive H. Hare
Publisher : Transportation Research Board National Research
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (555 download)
Download or read book Protective Coatings for Bridge Steel written by Clive H. Hare and published by Transportation Research Board National Research. This book was released on 1987 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to bridge designers, materials engineers, maintenance engineers, and others concerned with coating systems used to protect bridge steel from corrosion. Information is presented on the causes of steel corrosion and the types of surface preparation and coatings used to protect the steel. Steel bridges need some type of protective coating to keep them from corroding. This report of the Transportation Research Board explains the mechanisms of steel corrosion and how coatings protect the steel, discusses the need for and types of surface preparation, and describes twenty types of available coating systems under three general categories: inhibitive systems, zinc-rich (sacrificial) systems, and barrier systems.
Author : Christopher Wolfgram
Publisher :
ISBN 13 :
Total Pages : 129 pages
Book Rating : 4.:/5 (115 download)
Download or read book Maintenance Painting for Steel Bridges written by Christopher Wolfgram and published by . This book was released on 2019 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this project was to identify efficient and cost-effective methodologies for maintenance painting of steel bridges for MnDOT bridge crews to extend the service life of the coating system by at least five years before complete coating rehabilitation would be warranted. Five generic coating systems, chosen for their compatibility with existing MnDOT coating systems and minimal requirements for surface preparation and application, were applied over minimally prepared surfaces on two St. Paul bridges. Coating performance was evaluated annually over a three-year period through visual field observation following the MnDOT Steel Bridge Coating Condition Assessment Photographic Field Guide and MnDOT Bridge and Structure Inspection Program Manual. Adhesion testing was performed in accordance with ASTM D3359 in conjunction with the third-year evaluation. The results were photographed and documented in a matrix, identifying key performance characteristics. The predominant failure affecting two of the coating systems was delamination due to application over an anti-graffiti finish coat. Otherwise, each system performed to a standard aligning with the pre-established project goal for expanded serviceability of five years. Because developing a Bridge Maintenance Coating Program requires critical timing in the inspection process to identify existing coating condition, a Bridge Coating Repair Reference Table was developed to assist MnDOT crews with determining the appropriate preventive maintenance painting strategy based on condition and existing coating system. This work also determined that surface conditions demonstrating pitting with rusting, or surfaces with an anti-graffiti coating should not be addressed through maintenance painting but instead should be considered for coating removal and replacement.
Author : Andy Trent
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)
Download or read book Lead-based Paint written by Andy Trent and published by . This book was released on 1997 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Joseph Myers
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (697 download)
Download or read book Structural Steel Coatings for Corrosion Mitigation written by John Joseph Myers and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Task 1 of this project was to survey the performance of coating systems for steel bridges in Missouri and to evaluate coating and recoating practices. Task 1 was led under the direction of Dr. Glenn Washer from the University of Missouri located in Columbia, MO. A specific literature review focused on current state-of-the-practice for overcoatings, bridge coating assessment and rating, deterioration rate modeling as well as the risk assessment for overcoating. A new coating evaluation guideline was created to meet the needs of bridge maintenance in Missouri. Finally a field survey was carried out onto the existing bridge coatings across 10 Missouri Department of Transportation (MoDOT) districts and 26 counties. It was found that system S and G perform very well in many of the situations observed. The survey indicated that in many cases system S overcoatings are providing service life extension for the coating system, with some early failures resulting from severe exposure to deck drainage and corrosion. Deck condition, drainage, and joint conditions were found to be the dominate factor in deterioration of the coating system, regardless of the age of the coating. Task 2 of this project investigated the performance of new types of coating technologies on bridge corrosion mitigation and was led under the direction of Dr. John Myers from the Missouri University of Science and Technology located in Rolla, MO. Twelve coating systems including MoDOT system G were evaluated through several laboratory tests to study and predict the field performance and durability of new coating technologies. The new coating systems investigated in this study involved polyurea, polyaspartic polyurea, polysiloxane polymers and fluoropolymer. To date, these coating system technologies have not been used as a steel structural coatings system in the State of Missouri by MoDOT. The laboratory tests consist of freeze-thaw stability, salt fog resistance, QUV weathering and electrochemical tests. The comparison study was carried out to benchmark and understand the pros and cons of these new coating systems. In addition, two coating systems served as overcoating studies for lead-based paint systems representative of older existing bridges in the state of Missouri. These overcoating systems were evaluated using an accelerated lab test method and electrochemical test. The performance of the existing MoDOT calcium sulfonate (CSA) overcoating system (system S) was also studied within the test matrix for comparative purposes. The test results show that moisture cured urethane micaceous iron oxide zinc/polyurea polyaspartic is a promising coating system for recoating of new steel bridges and that aliphatic polyaspartic polyurea can also be applied on existing coatings after the surface is properly prepared"--Technical report documentation page.
Author : American Association of State Highway and Transportation Officials
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (534 download)
Download or read book Steel Bridge Fabrication Guide Specification written by American Association of State Highway and Transportation Officials and published by . This book was released on 2003 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher L. Farschon
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (555 download)
Download or read book Guidelines for Repair and Maintenance of Bridge Coatings written by Christopher L. Farschon and published by . This book was released on 1997 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject program investigated the applicability of various materials and methods for repair and overcoating of existing steel bridge paint systems. The program included information review, material selection, laboratory screening testing, and extended field exposure testing phases. Sixteen commercially available industrial maintenance coating systems were applied in parallel test patches to four separate structures. These structures are located in Chicago, Illinois; New York, New York; Manchac, Louisiana; and Hookset, New Hampshire. Typical surface preparation procedures used on overcoating jobs were used to clean test patch areas. This included low pressure water washing and mechanical removal of loose paint and rust using power tools. Results indicate varying performance between the coatings tested.
Author : John Joseph Myers
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (697 download)
Download or read book Structural Steel Coatings for Corrosion Mitigation written by John Joseph Myers and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Task 1 of this project was to survey the performance of coating systems for steel bridges in Missouri and to evaluate coating and recoating practices. Task 1 was led under the direction of Dr. Glenn Washer from the University of Missouri located in Columbia, MO. A specific literature review focused on current state-of-the-practice for overcoatings, bridge coating assessment and rating, deterioration rate modeling as well as the risk assessment for overcoating. A new coating evaluation guideline was created to meet the needs of bridge maintenance in Missouri. Finally a field survey was carried out onto the existing bridge coatings across 10 Missouri Department of Transportation (MoDOT) districts and 26 counties. It was found that system S and G perform very well in many of the situations observed. The survey indicated that in many cases system S overcoatings are providing service life extension for the coating system, with some early failures resulting from severe exposure to deck drainage and corrosion. Deck condition, drainage, and joint conditions were found to be the dominate factor in deterioration of the coating system, regardless of the age of the coating. Task 2 of this project investigated the performance of new types of coating technologies on bridge corrosion mitigation and was led under the direction of Dr. John Myers from the Missouri University of Science and Technology located in Rolla, MO. Twelve coating systems including MoDOT system G were evaluated through several laboratory tests to study and predict the field performance and durability of new coating technologies. The new coating systems investigated in this study involved polyurea, polyaspartic polyurea, polysiloxane polymers and fluoropolymer. To date, these coating system technologies have not been used as a steel structural coatings system in the State of Missouri by MoDOT. The laboratory tests consist of freeze-thaw stability, salt fog resistance, QUV weathering and electrochemical tests. The comparison study was carried out to benchmark and understand the pros and cons of these new coating systems. In addition, two coating systems served as overcoating studies for lead-based paint systems representative of older existing bridges in the state of Missouri. These overcoating systems were evaluated using an accelerated lab test method and electrochemical test. The performance of the existing MoDOT calcium sulfonate (CSA) overcoating system (system S) was also studied within the test matrix for comparative purposes. The test results show that moisture cured urethane micaceous iron oxide zinc/polyurea polyaspartic is a promising coating system for recoating of new steel bridges and that aliphatic polyaspartic polyurea can also be applied on existing coatings after the surface is properly prepared"--Technical report documentation page.
Author : Tom W. Neal
Publisher : Transportation Research Board
ISBN 13 : 9780309061148
Total Pages : 100 pages
Book Rating : 4.0/5 (611 download)
Download or read book Maintenance Issues and Alternate Corrosion Protection Methods for Exposed Bridge Steel written by Tom W. Neal and published by Transportation Research Board. This book was released on 1998 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis will be of interest to state department of transportation (DOT) bridge maintenance engineers, coating specialists, chemists, and researchers. Manufacturers and suppliers of corrosion protection products and systems for exposed structural steel on existing bridges will also find it of interest. This synthesis describes current practice regarding maintenance and protection strategies for exposed structural steel on existing bridges. NCHRP Synthesis 251, Lead-Based Paint Removal for Steel Highway Bridges ( 1997), provides a complementary and more in-depth treatment of maintenance issues involving lead-based paint removal. This report of the Transportation Research Board defines the maintenance management systems and decision making criteria used by transportation agencies for maintaining exposed bridge steel. Material selection criteria, surface preparation and application practices, quality control and quality assurance programs, and funding mechanisms are discussed in detail. The impact of recent and proposed environmental and worker protection regulations on current practice is reported. Information for the synthesis was collected by surveying state transportation agencies and by conducting a literature search. Responses to the survey, Appendix C to this document, are published on the Internet as NCHRP Web Document 11.
Author : Margaret S. Criswell
Publisher : Nova Science Publishers
ISBN 13 : 9781631171581
Total Pages : 0 pages
Book Rating : 4.1/5 (715 download)
Download or read book Durable Coating Systems for Steel Bridges written by Margaret S. Criswell and published by Nova Science Publishers. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Federal Highway Administration 100-Year Coating Study was initiated in August 2009 to identify coating systems that can provide 100 years of virtually maintenance-free service life at comparable costs to the existing coating systems, even in adverse environments. This book focuses on the study and discusses the performance evaluation of one-coat systems for new steel bridges.
Author : J. Peter Ault
Publisher :
ISBN 13 : 9780309390361
Total Pages : 75 pages
Book Rating : 4.3/5 (93 download)
Download or read book Corrosion Prevention for Extending the Service Life of Steel Bridges written by J. Peter Ault and published by . This book was released on 2018 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (932 download)
Download or read book Evaluation of Coatings on Costal Steel Bridges 16 Year Period written by and published by . This book was released on 1969 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Guide to the Maintenance Coating of Steel Structures in Atmospheric Service written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : California. Division of Highways
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (587 download)
Download or read book Evaluation of Coatings on Coastal Steel Bridges, 16 Year Period written by California. Division of Highways and published by . This book was released on 1969 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
