Guidelines for the Use of Weathering Steel in Bridges PDF Download
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Author:
Publisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
Author:
Publisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 116
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 98
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Book Description
Author: P. Albrecht
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 18
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Book Description
Bare exposed weathering steel is an economical alternative to ordinary painted steel if the weathering steel develops a protective oxide coating, meaning that the bridge need not be painted during its service life. To ensure satisfactory corrosion performance, engineers should follow the guidelines for the use of weathering steel in bridges described in this paper.
Author:
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 123
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Book Description
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: Hiroshi Yokota
Publisher: CRC Press
ISBN: 1000173755
Category : Technology & Engineering
Languages : en
Pages : 926
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Book Description
Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations contains lectures and papers presented at the Tenth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2020), held in Sapporo, Hokkaido, Japan, April 11–15, 2021. This volume consists of a book of extended abstracts and a USB card containing the full papers of 571 contributions presented at IABMAS 2020, including the T.Y. Lin Lecture, 9 Keynote Lectures, and 561 technical papers from 40 countries. The contributions presented at IABMAS 2020 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of maintenance, safety, management, life-cycle sustainability and technological innovations of bridges. Major topics include: advanced bridge design, construction and maintenance approaches, safety, reliability and risk evaluation, life-cycle management, life-cycle sustainability, standardization, analytical models, bridge management systems, service life prediction, maintenance and management strategies, structural health monitoring, non-destructive testing and field testing, safety, resilience, robustness and redundancy, durability enhancement, repair and rehabilitation, fatigue and corrosion, extreme loads, and application of information and computer technology and artificial intelligence for bridges, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of making more rational decisions on maintenance, safety, management, life-cycle sustainability and technological innovations of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including engineers, researchers, academics and students from all areas of bridge engineering.
Author: Victor Chaker
Publisher: ASTM International
ISBN: 080311432X
Category : Corrosion and anti-corrosives
Languages : en
Pages : 425
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Book Description
Twenty-five papers originally presented at the ASTM symposium held in San Diego, Calif., November 1991, provide innovative, successful techniques for the practicing engineer, scientist, and others involved with corrosion control for infrastructure. Practical experiences and applications as well as n
Author:
Publisher: Transportation Research Board National Research
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 156
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Book Description
Author: Petros P. Xanthakos
Publisher: John Wiley & Sons
ISBN: 9780471570974
Category : Technology & Engineering
Languages : en
Pages : 1466
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Book Description
Indeed, this essential working reference for practicing civil engineers uniquely reflects today's gradual transition from allowable stress design to Load and Resistance Factor Design by presenting LRFD specifications - developed from research requested by AASH-TO and initiated by the NCHRP - which spell out new provisions in areas ranging from load models and load factors to bridge substructure elements and foundations.
Author: American Iron and Steel Institute. Task Group on Weathering Steel Bridges
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 32
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Book Description
Author:
Publisher:
ISBN: 9780938477655
Category : Iron and steel bridges
Languages : en
Pages : 122
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Book Description
This report presents findings of a survey and laboratory evaluation of materials and techniques for cleaning and painting chloride-contaminated weathering steel bridges. Laboratory techniques suitable for field usage were developed for assessing the conductivity and chloride level of prepared surfaces. The following cleaning techniques were evaluated for their effectiveness in removing chloride from corroded and pitted plates: air abrasive wet blasting, dry blasting (including alternative abrasives), dry blast and rinse sequences, pressurized water jetting, power tool cleaning, hand tool cleaning, and chemical strippers. Eight coating systems, including organic and inorganic zinc, high-solids epoxies, thermal spray zinc, oil/alkyd, and petroleum wax were selected for laboratory evaluations. They were applied over laboratory and bridge specimens of weathering steel having various levels of chloride contamination using four preparation techniques: wet and dry blasting, power tool and hand tool cleaning. The coatings were exposed to salt spray, immersion in deionized water, and a composite test incorporating ultraviolet radiation, condensation, and freeze-thaw conditions. Based on these tests, and other considerations, the four surface preparation techniques and the following eight systems were selected for multisite 5-year bridge and test fence evaluation: epoxy zinc-rich, urethane zinc-rich, epoxy mastic, thermal spray zinc, three inorganic zincs (conventional and low-VOC ethyl silicate, and water-borne alkali silicate) and oil-alkyd control. Preliminary guidelines were developed for weathering steel maintenance options of no painting, painting corroded areas only, and painting entire structure.
