Abstract
Past earthquake reconnaissance showed that strong earthquakes can lead to substantial damage to non-seismically designed RC buildings, particularly to their beam-column joints. This paper presents a novel retrofit method using buckling-restrained haunches (BRHs) to improve the seismic performance of such joints. A numerical model for RC joints is introduced and validated. Subsequently, a new seismic retrofit strategy using BRHs is proposed, aimed at relocating plastic hinges and increasing energy dissipation. The results indicate the retrofit method can effectively meet the performance objectives.
| Original language | English |
|---|---|
| Pages (from-to) | 1-21 |
| Number of pages | 21 |
| Journal | Journal of Earthquake Engineering |
| DOIs | |
| Publication status | Accepted/In press - 12 May 2017 |
Keywords
- Buckling-Restrained Haunches
- Energy Dissipation
- Non-Seismically Designed RC Beam-Column Joint
- Plastic Hinge Relocation
- Seismic Retrofit
ASJC Scopus subject areas
- Civil and Structural Engineering
- Building and Construction
- Geotechnical Engineering and Engineering Geology
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