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Seismic performance of 3-D steel beam to concrete-encased CFST column joints: Tests
Highlights Cyclic tests of concrete-encased CFST column to steel beam 3-D joints were conducted; Seismic performance of concrete-encased CFST 3-D joints was evaluated; Comparison on seismic behaviour of planar and 3-D joints was made.
Abstract Experimental investigations were conducted on the performance of steel beam to concrete-encased concrete-filled steel tubular (CFST) joints with reinforced concrete (RC) slab under seismic loading. A total of 12 interior joints, including six planar ones and six 3-D ones, were designed and tested. Failure patterns, hysteretic relations, deformation and strain distributions of these joints were recorded and analyzed. The seismic performance was evaluated from ductility and energy absorption perspectives for these specimens. It was found that the average inter-story drift angle at failure point for the tested joints was 0.033 rad. Moreover, the 3-D joints presented comparatively lower strength and ductility than planar counterparts.
Seismic performance of 3-D steel beam to concrete-encased CFST column joints: Tests
Highlights Cyclic tests of concrete-encased CFST column to steel beam 3-D joints were conducted; Seismic performance of concrete-encased CFST 3-D joints was evaluated; Comparison on seismic behaviour of planar and 3-D joints was made.
Abstract Experimental investigations were conducted on the performance of steel beam to concrete-encased concrete-filled steel tubular (CFST) joints with reinforced concrete (RC) slab under seismic loading. A total of 12 interior joints, including six planar ones and six 3-D ones, were designed and tested. Failure patterns, hysteretic relations, deformation and strain distributions of these joints were recorded and analyzed. The seismic performance was evaluated from ductility and energy absorption perspectives for these specimens. It was found that the average inter-story drift angle at failure point for the tested joints was 0.033 rad. Moreover, the 3-D joints presented comparatively lower strength and ductility than planar counterparts.
Seismic performance of 3-D steel beam to concrete-encased CFST column joints: Tests
Li, Wei (author) / Xu, Li-Feng (author) / Qian, Wei-Wu (author)
Engineering Structures ; 232
2020-12-21
Article (Journal)
Electronic Resource
English
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