FHWA Guide to Bridge Maintenance Painting PDF Download
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Author: William C. Johnson
Publisher:
ISBN: 9780938477518
Category : Iron and steel bridges
Languages : en
Pages : 123
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Book Description
Author: William C. Johnson
Publisher:
ISBN: 9780938477518
Category : Iron and steel bridges
Languages : en
Pages : 123
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Book Description
Author: Christopher Wolfgram
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 129
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Book Description
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: Tom W. Neal
Publisher: Transportation Research Board
ISBN: 9780309061148
Category : Bridges
Languages : en
Pages : 100
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Book Description
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:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Clive H. Hare
Publisher: Van Nostrand Reinhold Company
ISBN:
Category : Bridges, Iron and steel
Languages : en
Pages : 328
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Book Description
Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Author: Fujii, R. Y
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 38
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Book Description
Author: Bismark Agbelie
Publisher:
ISBN: 9781622604852
Category :
Languages : en
Pages :
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Book Description
Even for the right treatment, improper timing can have consequences: premature application (treatment is applied too early) could mean wasteful spending even if users enjoy the benefits of higher pavement condition; deferred or delayed application (treatment is applied too late) could result in higher user costs due to poor condition and even reduced asset longevity.The objectives of this research were to establish the optimal condition or timing for each of the standard M&R treatment types typically used by INDOT; quantify the consequences of departures from such optimal conditions or timings; and to establish the optimal M&R treatment schedule for each asset family. The study focused on three asset types and their treatments:1.Painting of Steel Bridges. A painting decision tree was developed, to serve as a framework that would enable INDOT to consider other maintenance treatment types, namely spot repair/painting and overcoating.2.Bridge Deck Maintenance and Rehabilitation. Life-cycle condition-based deck M&R strategies based on different trigger results were proposed and presented.3.Pavement Maintenance, Rehabilitation, and Replacement. A framework was established to find the optimal scheduling for multiple treatments and recommend appropriate long-term M&R strategies for flexible and rigid pavements on different functional classes.
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 40
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Book Description
Introductory technical guidance for civil engineers, bridge engineers, structural engineers and construction managers interested in engineering for maintenance and repair of steel bridges. Here is what is discussed: Preventive Maintenance for Corrosion 1. INTRODUCTION 2. STRUCTURAL STEEL Repair and Strengthen 3. GENERAL REPAIR 4. CONNECTIONS 5. REPAIR OF STRUCTURAL MEMBERS Member Replacement 6. TENSION MEMBERS 7. COMPRESSION MEMBERS/COLUMNS 8. BEAMS Upgrade Steel Bridges 9. CREATION OF A COMPOSITE ACTION 10. POSTTENSIONING 11. TRUSS SYSTEMS
Author:
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 71
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Book Description
Determining the extent of coating deterioration and prioritizing maintenance painting projects statewide can be a daunting task, particularly in states with more severe or dynamic climates. This research investigates steel bridge maintenance painting practices of transportation agencies throughout the United States in order to identify best practices for the development of a statewide bridge maintenance painting program.
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 24
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Book Description
