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Earthquakes and Structures Volume 10, Number 1, January 2016 , pages 163-178 DOI: https://doi.org/10.12989/eas.2016.10.1.163 |
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Cyclic tests of steel frames with composite lightweight infill walls |
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Hetao Hou, Chung-Che Chou, Jian Zhou, Minglei Wu, Bing Qu, Haideng Ye, Haining Liu and Jingjing Li
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| Abstract | ||
| Composite Lightweight (CL) insulated walls have gained wide adoption recently because the exterior claddings of steel building frames have their cost effectiveness, good thermal and structural efficiency. To investigate the seismic behavior, lateral stiffness, ductility and energy dissipation of steel frames with the CL infill walls, five one-story one-bay steel frames were fabricated and tested under cyclic loads. Test results showed that the bolted connections allow relative movement between CL infill walls and steel frames, enabling the system to exhibit satisfactory performance under lateral loads. Additionally, it is found that the addition of diagonal steel straps to the CL infill wall significantly increases the initial lateral stiffness, load-carrying capacity, ductility and energy dissipation capacity of the system. Furthermore, the test results indicate that the lateral stiffness values of the frames with the CL infill wall are similar to those of the bare steel frames in large lateral displacement. | ||
| Key Words | ||
| composite lightweight infill wall; steel frame; bolted connection; cyclic test; energy | ||
| Address | ||
| Hetao Hou, Jian Zhou, Bing Qu, Haideng Ye, Haining Liu and Jingjing Li: School of Civil Engineering, Shandong University, Jinan, Shandong, 250061, P.R. China Chung-Che Chou: Department of Civil Engineering, National Taiwan University, 10617, Taipei, Taiwan Minglei Wu: Shandong Engineering Consulting Institute, Jinan, Shandong, 250013, P.R. China Bing Qu: Department of Civil and Environmental Engineering, California Polytechnic State University, San Luis Obispo, CA 93407, USA | ||