Numerical Analysis on Asphalt Concrete Core Rockfill Dam Using Elasto-Plastic Couple Constitutive Model
Results of triaxial test indicates that,due to low porosity,asphalt concrete used in hydraulic engineering has obvious lateral effect and smaller volume change,and takes on shear-swell characteristics.It has the typical characteristics of visco-elastic-plastic.Considering its creep properties,the paper do finit analysis on Maopingxi rockfill dam in Three-Gorges Project with elastoplastic coupling,on the deformation theory of hysteresis,using the indoor triaxial test data. The calculated results are quite agree with the monitoring data at low water level.Besides,the analysis on the stress-strain relationship of asphalt concrete indicates that hydraulic fracture will not happen at high water level,and the dam is safe.
asphalt concrete rockfill dam visco-elasto-plastic constitutive model
Zhu Sheng She Yapeng
Institudeof Hydraulic Structures,Hohai University,Nanjing210098,China
国际会议
The 1st International Symposium on Rockfill Dams(第一届堆石坝国际研讨会)
成都
英文
237-241
2009-10-18（万方平台首次上网日期，不代表论文的发表时间）