标题：A model for the soil-water characteristic curve and its application in dam engineering
作者：Shi, Zhenhua ;Gao, Zhaowan
作者机构：[Shi, Zhenhua ] Guangdong Hydropower Planning and Design Institute, Guangzhou, 510635, China;[Gao, Zhaowan ] Jiangsu Hydraulic Engineering Constructio 更多
会议名称：2011 International Conference on Civil Engineering and Transportation, ICCET 2011
会议日期：October 14, 2010 - October 16, 2010
来源：Applied Mechanics and Materials
摘要：A mathematical model for the soil-water characteristic curve is proposed in the light of bounding surface plasticity. The main drying and wetting curves are taken as the asymptotes of the scanning curves, and only one additional parameter is introduced to simulate such scanning curves. To pave to the way for the application of the proposed model, the governing equation of unsaturated seepage problems and the finite element formulations are derived. A FEM program incorporating the SWCC model is then developed and used to study the hydraulic behaviour of an earth dam undergoes a repeated change of reservoir level. Numerical results confirm the possibility and necessity of using such a hysteresis model in unsaturated seepage problems. © (2011) Trans Tech Publications, Switzerland.