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Volume 54 Issue 2
Jun.  2019
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Journal of Southwest Jiaotong University  > 2019  >  54(2): 304-312.
PAN Yi, WANG Zhongkai, QU Zhe, ZHAO Chongjin. Seismic Performance of Owner-Built RC Frame Structures in Nepal[J]. Journal of Southwest Jiaotong University, 2019, 54(2): 304-312. doi: 10.3969/j.issn.0258-2724.20170755
Citation: PAN Yi, WANG Zhongkai, QU Zhe, ZHAO Chongjin. Seismic Performance of Owner-Built RC Frame Structures in Nepal[J]. Journal of Southwest Jiaotong University, 2019, 54(2): 304-312. doi: 10.3969/j.issn.0258-2724.20170755
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Seismic Performance of Owner-Built RC Frame Structures in Nepal

doi: 10.3969/j.issn.0258-2724.20170755
  • Received Date: 04 Nov 2017
  • Rev Recd Date: 03 May 2018
    • Available Online: 08 Oct 2018
  • Publish Date: 01 Apr 2019
    Abstract
  • The 2015 Ms8.1 Gorkha earthquake in Nepal caused severe damage to local dwellings in Northern Nepal. Compared with brick-wood buildings, stone masonry, or adobe structures, owner-built reinforced concrete （RC） frame structures with masonry infills, which are commonly seen in both urban and rural areas in Nepal, sustained less severe damage. The seismic capacity of typical RC frame structures with masonry infills, which are representative of the local practice in Nepal, was compared with that of confined masonry structures conforming to the Chinese seismic design practice. The comparison was made in terms of lateral strength, ductility, and a previously proposed seismic capacity index through nonlinear static analysis. The analysis results on buildings with different numbers of stories show that the owner-built RC frames with masonry infills in Nepal exhibit higher ductility when the structural layout and amount of reinforcement are similar. However, their seismic capacity decreases significantly as the number of stories increases. For three and four-story buildings, owner-built RC frames exhibit higher seismic capacity compared with confined masonry structures in Intensity 8 regions in China, but exhibit much lower seismic capacity than the latter when the building is five stories or more.

     

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