Coupled thermo-hydro-mechanical model and relevant numerical analysis for near field of conceptual nuclear waste repository

ZHANG Yu-jun

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Coupled thermo-hydro-mechanical model and relevant numerical analysis for near field of conceptual nuclear waste repository

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- Coupled thermo-hydro-mechanical model and relevant numerical analysis for near field of conceptual nuclear waste repository
- Vol. 28, Issue 1, (2007)
- 作者机构：
  
  中国科学院武汉岩土力学研究所,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL942
- Online First：28 August 2013，
  
  Published：2007
- 稿件说明：
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ZHANG Yu-jun. Coupled thermo-hydro-mechanical model and relevant numerical analysis for near field of conceptual nuclear waste repository[J]. 2007, 28(1).
DOI：

ZHANG Yu-jun. Coupled thermo-hydro-mechanical model and relevant numerical analysis for near field of conceptual nuclear waste repository[J]. 2007, 28(1). DOI：

摘要

特别考虑了缓冲层中温度梯度水分扩散、水蒸汽扩散对水连续性及能量守恒的影响，进一步完善了所建立的分析饱和-非饱和介质中热-水-应力耦合现象的控制方程，并针对试验资料，使用所开发的有限元程序对一个核废料处置概念库近场的热-水-应力耦合过程进行了数值模拟，考察了缓冲层及岩体中若干点的温度、饱和度、孔隙水压力及主应力的变化、分布情况，并将部分结果与国外类似软件的计算数据作了对比，结果显示，在定性和定量上二者的规律有某种一致性，从而得出了一定的认识。

Abstract

Considering especially the influence of the thermal water diffusivity and the isothermal vapor diffusivity on the continuity of water and the energy balance

the author improves further the established control equations for analyzing coupled thermo- hydro-mechanical phenomena in saturated-unsaturated porous media; and makes the numerical simulation for the coupled thermo- hydro-mechanical processes in near field of a conceptual nuclear waste repository by using a FEM code developed by the author and the experiment data; and investigates the changes and distributions of temperature

saturation

pore pressures and principal stresses in the buffer and the rockmass. The part results obtained are compared with the computation data of foreign similar code; and it is shown that the regulations of both results have certain identity qualitatively and quantitatively. and some conclusions are drawn.

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《岩土力学》2025年第6期被EI收录论文（27篇，收录率100%）

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State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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