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Interfacial shear resistance of angle shear connectors welded to concrete filled U-shaped CFS beam
- Issue Date
- 10-5월-2022
- Publisher
- TECHNO-PRESS
- Keywords
- aggregate interlocking resistance; angle; channel; cold formed-steel; composite beam; concrete; interfacial shear strength; push-out test; shear connector; U-shaped section
- Citation
- STEEL AND COMPOSITE STRUCTURES, v.43, no.3, pp.311 - 325
- Indexed
- SCIE
SCOPUS
- Journal Title
- STEEL AND COMPOSITE STRUCTURES
- Volume
- 43
- Number
- 3
- Start Page
- 311
- End Page
- 325
- ISSN
- 1229-9367
- Abstract
- For multi-story structural systems, Korean steel industry has fostered development of a steel-concrete composite beam. Configuration of the composite beam is characterized by steel angle shear connectors welded to a U-shaped cold formed-steel beam. Effects of shear connector orientation and spacing were studied to evaluate current application of the angle shear connector design equation in AC495. For the study, interfacial shear resistance behavior was investigated by conducting 24 push-out tests and attuned using unreinforced push-out specimens. Interfacial shear to horizontal slip response was reported along with corresponding failure patterns. Pure shear connector strength was also evaluated by excluding concrete shear contribution, which was estimated in relation to steel beam-slab interface separation or interfacial crack width.
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