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Evaluation Of Unpainted Weathering Steel Bridges In Idaho
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Book Synopsis Evaluation of Unpainted Weathering Steel Bridges in Idaho by : Richard A. Jobes
Download or read book Evaluation of Unpainted Weathering Steel Bridges in Idaho written by Richard A. Jobes and published by . This book was released on 1996 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some states have reported problems with excessive corrosion of unpainted A588 weathering steel bridges. Considerable savings in initial and life cycle costs are anticipated when using weathering steel, but only if good long range performance is attained. The Idaho Transportation Department conducted its first in-depth study of a representative group of 12 weathering steel bridges to determine their present condition. Weathering steels develop a protective oxide coating that shields the underlying steel base from further corrosion when certain conditions are met. All weathering steel bridges in Idaho were identified and current inspection reports were reviewed. Data collected from the field inspections include: visual observations of the condition of the protective oxide coating (color, texture, adherence), conditions and details that cause corrosion problems, and plate thickness measurements with an ultrasonic gage. Samples of the oxide coating were tested for chlorides.
Book Synopsis Evaluation of the Use of Painted and Unpainted Weathering Steel on Bridges by : Theodore Hopwood (II)
Download or read book Evaluation of the Use of Painted and Unpainted Weathering Steel on Bridges written by Theodore Hopwood (II) and published by . This book was released on 2016 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current Status Report by : R. L. McCrum
Download or read book Current Status Report written by R. L. McCrum and published by . This book was released on 1985 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Bridges with A588 Weathering Steel for the Ohio Department of Transportation by : Wayne Lander
Download or read book Evaluation of Bridges with A588 Weathering Steel for the Ohio Department of Transportation written by Wayne Lander and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of Weathering Steel Bridge Performance in Iowa and Development of Inspection and Maintenance Techniques by : Douglas D. Crampton
Download or read book Assessment of Weathering Steel Bridge Performance in Iowa and Development of Inspection and Maintenance Techniques written by Douglas D. Crampton and published by . This book was released on 2013 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weathering steel is commonly used as a cost-effective alternative for bridge superstructures, as the costs and environmental impacts associated with the maintenance/replacement of paint coatings are theoretically eliminated. The performance of weathering steel depends on the proper formation of a surface patina, which consists of a dense layer of corrosion product used to protect the steel from further atmospheric corrosion. The development of the weathering steel patina may be hindered by environmental factors such as humid environments, wetting/drying cycles, sheltering, exposure to de-icing chlorides, and design details that permit water to pond on steel surfaces. Weathering steel bridges constructed over or adjacent to other roadways could be subjected to sufficient salt spray that would impede the development of an adequate patina. Addressing areas of corrosion on a weathering steel bridge superstructure where a protective patina has not formed is often costly and negates the anticipated cost savings for this type of steel superstructure. Early detection of weathering steel corrosion is important to extending the service life of the bridge structure; however, written inspection procedures are not available for inspectors to evaluate the performance or quality of the patina. This project focused on the evaluation of weathering steel bridge structures, including possible methods to assess the quality of the weathering steel patina and to properly maintain the quality of the patina. The objectives of this project are summarized as follows: -- Identify weathering steel bridge structures that would be most vulnerable to chloride contamination, based on location, exposure, environment, and other factors. -- Identify locations on an individual weathering steel bridge structure that would be most susceptible to chloride contamination, such as below joints, splash/spray zones, and areas of ponding water or debris. -- Identify possible testing methods and/or inspection techniques for inspectors to evaluate the quality of the weathering steel patina at locations discussed above. -- Identify possible methods to measure and evaluate the level of chloride contamination at the locations discussed above. -- Evaluate the effectiveness of water washing on removing chlorides from the weathering steel patina. -- Develop a general prioritization for the washing of bridge structures based on the structure's location, environment, inspection observations, patina evaluation findings, and chloride test results.
Book Synopsis Evaluation of Surface Modification Methods to Mitigate Rusting and Pitting in Weathering Steel Bridges by : A. Raman
Download or read book Evaluation of Surface Modification Methods to Mitigate Rusting and Pitting in Weathering Steel Bridges written by A. Raman and published by . This book was released on 1986 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Iron and Steel Institute. Task Group on Weathering Steel Bridges Publisher : ISBN 13 : Total Pages :32 pages Book Rating :4.:/5 (2 download)
Book Synopsis Performance of Weathering Steel in Highway Bridges by : American Iron and Steel Institute. Task Group on Weathering Steel Bridges
Download or read book Performance of Weathering Steel in Highway Bridges written by American Iron and Steel Institute. Task Group on Weathering Steel Bridges and published by . This book was released on 1982 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidelines for the Use of Weathering Steel in Bridges by :
Download or read book Guidelines for the Use of Weathering Steel in Bridges written by and published by Transportation Research Board National Research. This book was released on 1989 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Uncoated Weathering Steel Bridge Data Collection and Performance Assessment by : J. T. Rupp
Download or read book Uncoated Weathering Steel Bridge Data Collection and Performance Assessment written by J. T. Rupp and published by . This book was released on 2020 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The long-term performance of uncoated weathering steel (UWS) bridges in the United States is being assessed to update the current FHWA technical advisory regarding the use of UWS in highway bridges. The main purpose of the larger research project, to which the research described in this thesis contributed, is to develop quantitative recommendations about environmental conditions and maintenance practices that may be the most suitable for UWS highway bridges. Prior work included the development of a national UWS GIS database in order to quantify environments. This database was used to strategically select 21 UWS bridges for field evaluations in 7 states in order to qualitatively assess the performance of rust patinas and collect rust samples for assessment using quantifiable metrics. Rust samples were assessed by evaluating data from clear tape adhesion tests and ion chromatography analyses. Part of this research also included collecting and analyzing maintenance data collected from state highway agencies throughout the United States. This data included information from 34 state highway agencies' bridge maintenance manuals and bridge washing practices from 33 state highway agencies. Deicing agent usage data was also obtained from 39 state highway agencies and existing databases. Correlations between the different data types that were collected were assessed to investigate any trends in UWS bridge performance based on environmental conditions and maintenance practices. The most significant finding from this research involved differences in UWS performance as quantified by chloride concentrations and rust particle sizes of surface rust based on interior, sheltered girder locations and exterior, exposed girder locations. Quantifiable data obtained from this research will be useful for evaluating UWS bridge performance trends with a larger dataset in order to update national specifications and maintenance practices involving UWS bridges.
Book Synopsis Structural Materials Technology ... by :
Download or read book Structural Materials Technology ... written by and published by . This book was released on 1998 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Interstate and Foreign Commerce Publisher : ISBN 13 : Total Pages :1 pages Book Rating :4.:/5 (15 download)
Book Synopsis Steel Bridge Over the Snake River, Between the States of Washington and Idaho by : United States. Congress. House. Committee on Interstate and Foreign Commerce
Download or read book Steel Bridge Over the Snake River, Between the States of Washington and Idaho written by United States. Congress. House. Committee on Interstate and Foreign Commerce and published by . This book was released on 1898 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Historic Highway Bridges of Oregon by : Dwight A. Smith
Download or read book Historic Highway Bridges of Oregon written by Dwight A. Smith and published by . This book was released on 1989 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handsome illustrations of more than two hundred bridges, including Columbia River Scenic Highway bridges, covered bridges, and magnificent coastal bridges.
Book Synopsis Timber Bridges by : Michael A. Ritter
Download or read book Timber Bridges written by Michael A. Ritter and published by Datamotion Publishing LLC. This book was released on 1990 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents a comprehensive analysis of the design, construction, inspection, and maintenance of timber bridges.
Book Synopsis Dams and Public Safety by : Robert B. Jansen
Download or read book Dams and Public Safety written by Robert B. Jansen and published by . This book was released on 1980 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Maintenance Considerations in Highway Design by : T. Ceran
Download or read book Maintenance Considerations in Highway Design written by T. Ceran and published by Transportation Research Board. This book was released on 1992 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapid Visual Screening of Buildings for Potential Seismic Hazards: Supporting Documentation by :
Download or read book Rapid Visual Screening of Buildings for Potential Seismic Hazards: Supporting Documentation written by and published by Government Printing Office. This book was released on 2015 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Rapid Visual Screening (RVS) handbook can be used by trained personnel to identify, inventory, and screen buildings that are potentially seismically vulnerable. The RVS procedure comprises a method and several forms that help users to quickly identify, inventory, and score buildings according to their risk of collapse if hit by major earthquakes. The RVS handbook describes how to identify the structural type and key weakness characteristics, how to complete the screening forms, and how to manage a successful RVS program.
Download or read book Report written by and published by . This book was released on 1964 with total page 778 pages. Available in PDF, EPUB and Kindle. Book excerpt:
