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http://dx.doi.org/10.4334/JKCI.2015.27.5.541

The Seismic Performance of Non-Ductile Reinforced Concrete (RC) Frames with Engineered Cementitious Composite (ECC) Wing Panel Elements  

Kang, Dae-Hyun (Dept. of Architectural Engineering, Chungnam National University)
Ok, Il-Seok (Dept. of Architectural Engineering, Chungnam National University)
Yun, Hyun-Do (Dept. of Architectural Engineering, Chungnam National University)
Kim, Jae-Hwan (AMS Engineering)
Yang, Il-Seung (Dept. of Architectural Engineering, Dongshin University)
Publication Information
Journal of the Korea Concrete Institute / v.27, no.5, 2015 , pp. 541-549 More about this Journal
Abstract
This study was conducted to experimentally investigate the seismic retrofitting performance of non-ductile reinforced concrete (RC) frames by introducing engineered cementitious composite (ECC) wing panel elements. Non-ductile RC frame tested in this study were designed and detailed for gravity loads with insufficient or no consideration to lateral loads. Therefore, Non-ductile RC frame were not satisfied on present seismic code requirements. The precast ECC wing panels were used to improve the seismic structural performance of existing non-ductile RC frame. A series of experiments were carried out to evaluate the structural performance of ECC wing panel elements alone a non-ductile RC frame strengthened by adding ECC panel elements. Failure pattern, strength, stiffness and energy dissipation characteristics of specimens were evaluated based on the test results. The test results show that both lateral strength and stiffness were significantly improved in specimen strengthened than non-ductile RC frame. It is noted that ECC wing wall elements application on non-ductile RC frame can be effective alternative on seismic retrofit of non-ductile building.
Keywords
Engineered Cementitious Composite (ECC); wing panel elements; non-ductile RC frame; seismic performance; strength;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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