Abstract
Five large-scale beam-column subassemblies were fabricated and tested under cyclic loading to investigate the behavior of SRC Type I exterior and Type II corner beam-column joints. In addition, the applicability of strength superposition method on joint shear strength was assessed. It was found that: (1) the strength superposition method was able to estimate the SRC beam-column joint shear strength with reasonable accuracy; (2) the anchorage position of beam longitudinal bars has an obvious influence on the joint shear strength and crack pattern; (3) increased depth of cross-sectional steel leads to a higher shear strength for the beam-column joint; and (4) a combination of corner stirrups and shaped steel cross-sections was able to provide sufficient lateral support to longitudinal steel bars and adequate confinement to the concrete in the joint to replace the need for closed hoops.
| Original language | English |
|---|---|
| Pages (from-to) | 1569-1581 |
| Number of pages | 13 |
| Journal | Journal of Constructional Steel Research |
| Volume | 65 |
| Issue number | 8-9 |
| DOIs | |
| Publication status | Published - Aug 2009 |
Keywords
- Beam-column joints
- Shear strength
- Steel reinforced concrete (SRC)
- Superposition method
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