A CHEMOHYDROMECHANICAL COUPLED SOLUTION FOR POROELASTIC CLAY BARRIER IN A RADIOACTIVE WASTE REPOSITORY

摘要：

Salt rock is one of the preferred host media of the repository for the radioactive waste disposal, and high compacted bentonite is often selected as the buffer between the host media and waste canister. Due to rich clay content of the bentonite buffer, chemically induced volume change is generated because of the chemical concentration change. Coupled with this chemical phenomenon, the field governing equations are derived and solved within the framework of a linear, Biot-like poroelastic theory. The parametric study and numerical results highlight the influences of chemical deformation on the flow and mechanical fields.

作者: Guangjing Chen Li Yu Alberto Ledesma

作者单位: Department of Geotechnical Engineering and Geosciences Technical University of Catalonia, Barcelona, Spain

会议类型: 国际会议

会议名称: 第二届国际应力-水流-热-化学耦合学术大会(2nd International Conference on Coupled Thermo-Hydro-Mechanical Processes in Geosystems and Engineering：Geoproc2006)

会议地点: 南京

会议语种:英文

页码: 228-233

在线出版日期: 2006-05-22（万方平台首次上网日期，不代表论文的发表时间）