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Volume 35 Issue zk2
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ZHAO Qian-yu, SUN Rui. A shear-wave velocity discrimination formula for liquefaction applicable to Xinjiang region[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 383-388.
Citation: ZHAO Qian-yu, SUN Rui. A shear-wave velocity discrimination formula for liquefaction applicable to Xinjiang region[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 383-388.
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A shear-wave velocity discrimination formula for liquefaction applicable to Xinjiang region

  • Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, CEA, Harbin 150080, China

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  • Received Date: June 06, 2013
  • Published Date: November 24, 2013
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    • Abstract
  • In 2003, an MS6.8 earthquake occurred in Bachu-Jiashi region of Xinjiang, causing large-scale liquefied phenomenon. 44 in-situ Vs records are collected, including 19 liquefied survey points and 25 non-liquefied points. The shear-wave velocity of the in-situ records is verified using two typical liquefaction prediction methods, and all the success discrimination ratios are not satisfied. So a discrimination formula for soil liquefaction applicable to the Xinjiang region is proposed. This formula is based on the Chinese code for seismic design of buildings (GB50011—2010), which is a linear model. The formula is brief and convenient, while the evaluation success ratio of the liquefied sites is 84% and that of the non-liquefied sites is 84%, with the total discrimination success ratio being 84%. Based on the real data analysis, the proposed discrimination method is quite reliable, and it may provide technical support for liquefaction prediction in Xinjiang and the relevant regions.
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    • References (10)
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