2D finite element analysis of influence of three factors on saturation progress of buffer material

ZHANG Yu-jun

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2D finite element analysis of influence of three factors on saturation progress of buffer material

更新时间：2026-06-25

- 2D finite element analysis of influence of three factors on saturation progress of buffer material
- Vol. 27, Issue 6, (2006)
- 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： O242.82X946
- Online First：14 November 2013，
  
  Published：2006
- 稿件说明：
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ZHANG Yu-jun. 2D finite element analysis of influence of three factors on saturation progress of buffer material[J]. 2006, 27(6).
DOI：

ZHANG Yu-jun. 2D finite element analysis of influence of three factors on saturation progress of buffer material[J]. 2006, 27(6). DOI：

摘要

在参与高放射性核废料地质处置库的缓冲层饱和过程的诸多因素中，初始的水头、渗透系数和饱和度最为关键。作者使用THM耦合问题的二维有限元方法分析了以上三个因素对缓冲层饱和过程的影响。由计算结果可知，初始的水头、渗透系数和饱和度的数值越大，缓冲材料达到饱和的时间越快，反之亦然。

Abstract

Among a lot of factors participating in the saturation progress of buffer material in geological disposal for high level radioactive nuclear waste

the initial head

permeability and saturation degree are the most keys. The author uses a 2 D FEM code for coupled thermohydromechanical phenomena to analyze the influence of the three factors mentioned above on the saturation progress of buffer material. From the results it is known that the bigger of the values of the initial head

permeability and saturation degree is

the faster of the saturation velocity is; and vice versa.

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