Chapter
Apr 26, 2012
Application of Weld Overlays for Connection Repair
Authors: James C. Anderson, Jean Duan, Yan Xiao, Li Xie, and Peter MaranianAuthor Affiliations
Publication: Structures 2001: A Structural Engineering Odyssey
Abstract
The Northridge earthquake of 1994 clearly indicated an urgent need to find efficient and economical means of repairing welded moment connections that experienced cracking and upgrading similar connections in older, existing buildings. One of the more promising and unique procedures for accomplishing this is the use of weld overlays. Using this procedure, an overlay weld of a tough and ductile weld material that is resistant to crack initiation and propagation is deposited over an existing weld that is less resistant and may contain small cracks and other defects. This paper summarizes the results of experimental tests on exterior connections modified with weld overlays and describes some of the analytical studies that were conducted in support of the experimental program.
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Copyright
© 2001 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Connections (structural)
- Construction engineering
- Construction methods
- Continuum mechanics
- Cracking
- Earthquakes
- Economic factors
- Engineering mechanics
- Fracture mechanics
- Geohazards
- Geotechnical engineering
- Infrastructure
- Pavement overlays
- Pavements
- Practice and Profession
- Rehabilitation
- Solid mechanics
- Structural engineering
- Structural members
- Structural systems
- Transportation engineering
- Welded connections
- Welding
Authors
Affiliations
James C. Anderson
Prof. of Civ. Engrg, Univ. of Southern California, Los Angeles, CA 90089-2531
Jean Duan
Res. Assist., Dept. of Civ. Engrg., Univ. of Southern California, Los Angeles, CA
Yan Xiao
Assoc. Prof., Dept of Civ. Engrg., Univ. of Southern California, Los Angeles, CA
Li Xie
Visiting Scholar, Dept. of Civ. Engrg., Univ. of Southern California, Los Angeles; CA
Peter Maranian
Assoc., Brandow and Johnston Assoc., Los Angeles, CA
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.