United States Department of Transportation
i
Design and Construction of Welded Bridge Members and Connections
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1980-09-01
[PDF-6.82 MB]
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Abstract:There are many interrelated factors that determine the reliability and structural integrity of welded steel bridges. Foremost among these are proper materials, design, fabrication, quality control and quality assurance. Any one of these factors can contribute to fatigue and fracture of a bridge detail. Recent service failures of welded steel bridges have created a growing concern among design engineers about the possibility of catastrophic fractures in steel bridges and have led to an increasing awareness that some modifications in practices are needed. In recognition of these problems, the Offices of Research and Development, Federal Highway Administration, issued a Request for Proposals (RFP) on July 10, 1978 calling for the preparation and presentation of a training course on "Design and Construction of Welded Bridge Members and Connections." The RFP emphasized that the course should be developed as a joint venture to include the elements of both welding design and fabrication. This course has been developed in accordance with these requirements. The major objective of this course is to address the practical design of welded members for presentation to bridge design engineers including the important design and fabrication considerations which must be taken into account in locating and detailing welded connections.
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