Volume 33 Issue 9
Sep.  2008
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CONG Peijiang, ZHENG Dongjian, ZHONG Lin. Time-Varying Model for Dam Stress-Strain Monitoring Data Based on Multiple Factors[J]. Geomatics and Information Science of Wuhan University, 2008, 33(9): 914-917.
Citation: CONG Peijiang, ZHENG Dongjian, ZHONG Lin. Time-Varying Model for Dam Stress-Strain Monitoring Data Based on Multiple Factors[J]. Geomatics and Information Science of Wuhan University, 2008, 33(9): 914-917.
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Time-Varying Model for Dam Stress-Strain Monitoring Data Based on Multiple Factors

  • 1Northeast Electric Power Design Institute of CPECC,4368 Renmin Street,Changchun 130021,China;2Yangtse River Runway Administrative Office of Nanjing,11 Dama Road,Nanjing 210003,China

Funds: 国家自然科学基金资助项目(50539010,50579010)，国家自然科学基金委员会、二滩水电开发有限责任公司雅砻江水电开发联合基金资助项目(50539030-1-3)，国家教育部跨世纪优秀人才培养计划资助项目(2003512643)
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  • Received Date: July 14, 2008
  • Revised Date: July 14, 2008
  • Published Date: September 04, 2008
    Graphical Abstract
    • Abstract
  • Based on the analysis of the influencing factors and the statistic model of stress-strain,the multiple factors time-varying monitoring model for dam concrete stress-strain is established,in which the multilayer hierarchical and regression analysis methods are combined.Time-varying parameters are calculated based on the new factors which are obtained from the product of the regression coefficients and old factors.In the model,the function of the higher stability correlation factors are strengthened,so as to improve prediction precision of the model.
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