Abstract
Exterior beam-column joint is typically the weakest link in a limited-ductile reinforced concrete (RC) frame structure. The use of diagonal haunch element has been considered as a desirable seismic retrofit option for reducing the seismic demand at the joint. Previous research globally has focused on implementing double haunches, while the use of single haunch element as a less-invasive and more architecturally favorable retrofit option has not been investigated. In this paper, the key formulations and a design procedure for the single haunch system for retrofitting RC exterior beam-column joint are developed. An application of the proposed design procedure is then illustrated through a case study.
| Original language | English |
|---|---|
| Pages (from-to) | 341-350 |
| Number of pages | 10 |
| Journal | Structural Engineering and Mechanics |
| Volume | 71 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 25 Aug 2019 |
Keywords
- Exterior beam-column joint
- Limited-ductile
- RC frame
- Seismic retrofit
- Single diagonal haunch
ASJC Scopus subject areas
- Civil and Structural Engineering
- Building and Construction
- Mechanics of Materials
- Mechanical Engineering
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