کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4745015 | 1641919 | 2006 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modelling the three-dimensional behaviour of a prototype nuclear waste repository
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
This paper presents a study of the full three-dimensional thermo/hydro/mechanical behaviour of SKB's Prototype Repository experiment. In particular, the three-dimensional interaction of the multiple barrier system, which includes MX-80 bentonite buffer with the host rock is investigated. These materials are subjected to a steep thermal gradient representing the heat produced by high-level nuclear waste. A hydraulic gradient is also present due to the host rock acting as a source of water. The simulation is achieved via the application of the numerical code, COMPASS, which implements a coupled thermo/hydro/mechanical approach to model the behaviour of saturated/unsaturated media. These patterns of behaviour require a large three-dimensional model in order to represent the non-symmetrical, complex geometry of the proposed repository. A range of simulation results is presented detailing the thermal-hydraulic-mechanical behaviour of the Prototype Repository. Attention has also been given to the micro-macro interaction occurring within the MX-80 bentonite buffer as the material begins to saturate and swell.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Geology - Volume 85, Issues 1â2, 26 May 2006, Pages 212-220
Journal: Engineering Geology - Volume 85, Issues 1â2, 26 May 2006, Pages 212-220
نویسندگان
P.J. Cleall, T.A. Melhuish, H.R. Thomas,