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《Engineering Journal of Wuhan University》 2013-01
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Random dynamical model for mechanical time-varying characteristics of gravity dam foundation

ZHAO Erfeng1,2,ZHU Kai1,2,LIU Jingyang1,2(1.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Hohai University,Nanjing 210098,China;2.National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety,Hohai University,Nanjing 210098,China)  
Gravity dam and its foundation bear great loads and their operating conditions are very complex,which make design and operating status to be different.Therefore,gravity dam effects under environmental loads were calculated using random FEM.And mechanical time-varying characteristics parameters of gravity dam foundation were calculated dynamically based on hierarchical diagonal neural network with monitoring data.On the basis,gravity dam foundation time-varying model was constructed through the exponential function.The model can be taken into the assessment of varying parameters of gravity dam bedrock mechanical aging behaviors.
【Fund】: 河海大学中央高校基本科研业务费项目(编号:2012B00814);; 水利部公益性行业科研专项经费项目(编号:201201038);; 中国电力投资集团公司科技项目(编号:2011-042-HHS-KJ-X)
【CateGory Index】: TV223.1
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