MODELLING THE DISINTEGRATION OF WEATHERED AND PARTLY SATURATED GRAINS OF ROCKFILL MATERIAL

摘要：

The focus of this paper is on modelling the mechanical behaviour of weathered and partly saturated grains of rockfill material using a hypoplastic constitutive model based on the current void ratio, the effective stress, a moisture dependent granular hardness and the rate of deformation. Creep and stress relaxation during the time-dependent process of degradation of the granular hardness are also taken into account. The calibration of the model is performed for weathered broken granite and the deformation behaviour of an artificial rockfill dam is numerically investigated.

作者: E.Bauer S.F.Tantono A.Niemunis K.Kast W.Cen S.Liu Y.Zhu

作者单位: Institute of Applied Mechanics, Graz University of Technology, Graz, Austria Inst.of Soil Mechanics and Foundation Eng., Ruhr-University of Bochum, Germany Consulting Geotechnical Engineering ICOLD, Germany College of Water Conservancy and Hydropower Eng., Hohai Univ., Nanjing 210098, P.R.China

会议类型: 国际会议

会议名称: 第三届亚洲非饱和土学术会议

会议地点: 南京

会议语种:英文

页码: 335-340

在线出版日期: 2007-04-21（万方平台首次上网日期，不代表论文的发表时间）