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Volume 26 Issue 2
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ZHU Qingjie, SU Youpo. Influence of base rock condition on earthquake affecting coefficient[J]. Chinese Journal of Geotechnical Engineering, 2004, 26(2): 198-201.
Citation: ZHU Qingjie, SU Youpo. Influence of base rock condition on earthquake affecting coefficient[J]. Chinese Journal of Geotechnical Engineering, 2004, 26(2): 198-201.
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Influence of base rock condition on earthquake affecting coefficient

  • Civil Engineering Department Hebei Institute of Technology Tangshan 063009 China

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  • Published Date: March 25, 2004
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    • Abstract
  • Earthquake affecting coefficient is one of the most important factors for city seismic microzonation and engineering earthquake security evaluation. Because of the influence of underground rock conditions, it is very difficulty to determine earthquake affecting field precisely, the result, which come from traditional method,couldn’t meet the demand of earthquake resistant design in city and engineering construction.Therefore,the analysis of influence of base rock condition on earthquake affecting coefficient is necessary for earthquake security evaluation. By numerical simulation of underground rock fracture, the distribution of underground rock energy and fracture is calculated. Furthermore, neural network method is applied, and the calculating model of earthquake affecting coefficient is established based on the distribution of base rock fracture and energy. As an example, the calculated result of earthquake affecting field is analyzed and some suggestions for city planning and engineering construction are given.
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