AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Structures
AN EXPERIMENTAL STUDY ON REPAIRABILITY AND RECOVERY OF STRUCTURAL PERFORMANCE FOR DAMAGED H-SHAPED STEEL MEMBERS
Takeshi MATSUMOTO, Kenjiro MORI, Takumi ITO, Changhoon CHOI
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Keywords: H-shaped steel members, Local buckling, Cracks, Repair method, Steel plate welding
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2014 Volume 20 Issue 44 Pages 139-142

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Abstract
In this study, the repairability and recovery of damaged structural members are investigated experimentally. At first, test specimens which are damaged with local buckling or cracks are reproduced by loading test. Next, the damaged specimens with plastic residual deformation are returned to the original position. Finally, the loading test is done after the damaged areas are repaired. From the test results, the comparison and evaluation of recovery of stiffness, ductility and strength before and after repair are investigated. It is confirmed that ductility and stiffness of the repaired test specimens are recovered to the performance of original state.
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© 2014 Architectural Institute of Japan
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