Rheology model of rockfill used in the rheology analysis of concrete face rockfill dam

被引：0
|
作者：
Wang, Yong [1 ]
Yin, Zong-ze [1 ]
机构：
[1] Inst of Water Conservancy and, Hydropower Science of Guangdong, Guangzhou, China
来源：
Yantu Lixue/Rock and Soil Mechanics | 2000年 / 21卷 / 03期
关键词：
Concrete dams - Deformation - Elastoplasticity - Functions - Inverse problems - Mathematical models - Microstructure - Rheology - Viscoplasticity - Yield stress;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Based on previous researchers, this paper establishes a rheology model of rockfill used in the rheology analysis of concrete face rockfill dam despiting the rockfill microstructure. In this model, the instantaneous elasto-plastic deformations of rockfills are computed by the oblong-parabola two yield surface model, and considering the time effects, the time dependent visco-plastic deformations are derived from the empirical equation of hyperbolic function. The reliability of this rheology model is proved to be good after performing inverse problems with deformation records in-situ.
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页码：227 / 230
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