Abstract
3-D finite element analyses were conducted on post-tensioned precast concrete frames to investigate the shear behaviors of beam-column joints having some openings through sheaths. The compressive damage and confining effect in the beam-column joints were numerically estimated based on the 3-D stress state. Analytical results indicated that the shear strength of the beam-column joint decreased considerably with increasing opening ratio without beams installed orthogonally. If, however, the orthogonal beams were installed, the shear strength of the beam-column joint increased by 20 % and the decrease in shear strength due to opening was softened because a high confining pressure was generated.
| Original language | English |
|---|---|
| Pages (from-to) | 1449-1459 |
| Number of pages | 11 |
| Journal | Journal of Structural and Construction Engineering |
| Volume | 82 |
| Issue number | 739 |
| DOIs | |
| Publication status | Published - 2017 Sept 1 |
Keywords
- Beam-column joint
- Confining effect
- Degree of damage
- Opening
- Post-tensioned precast
- Shear behaviors
ASJC Scopus subject areas
- Architecture
- Building and Construction