ANALYSIS ON CHARACTERISTICS OF BUFFER MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL WASTES IN CHINA AND SWEDEN

YIN Yue; YANG Qiuyu; WANG Xuhong; HOU Wei; LYU Tao; LI Yuxi; XIA Jiaguo; LYU Min

doi:10.13204/j.gyjzG20063015

Volume 50 Issue 9

Nov. 2020

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YIN Yue, YANG Qiuyu, WANG Xuhong, HOU Wei, LYU Tao, LI Yuxi, XIA Jiaguo, LYU Min. ANALYSIS ON CHARACTERISTICS OF BUFFER MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL WASTES IN CHINA AND SWEDEN[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 34-37,33. doi: 10.13204/j.gyjzG20063015

Citation:

YIN Yue, YANG Qiuyu, WANG Xuhong, HOU Wei, LYU Tao, LI Yuxi, XIA Jiaguo, LYU Min. ANALYSIS ON CHARACTERISTICS OF BUFFER MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL WASTES IN CHINA AND SWEDEN[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 34-37,33. doi: 10.13204/j.gyjzG20063015

Citation:

YIN Yue, YANG Qiuyu, WANG Xuhong, HOU Wei, LYU Tao, LI Yuxi, XIA Jiaguo, LYU Min. ANALYSIS ON CHARACTERISTICS OF BUFFER MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL WASTES IN CHINA AND SWEDEN[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 34-37,33. doi: 10.13204/j.gyjzG20063015

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ANALYSIS ON CHARACTERISTICS OF BUFFER MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL WASTES IN CHINA AND SWEDEN

doi: 10.13204/j.gyjzG20063015

China's Nuclear Power Engineering Co., Ltd., Beijing 100840, China

Received Date: 2020-06-30
Publish Date: 2020-11-23

Abstract

Abstract

Buffer materials are important parts of barrier systems in geological disposal of high-level radioactive wastes. Based on the physical properties of MX-80 bentonite, a Swedish buffer material, the design parameters such as permeability coefficients, swelling forces and material composition were analyzed. The saturated densities of buffer materials were taken as the long-term safety evaluation indexes to analyze the main influencing factors (outer clearance widths, densities of blocks and pellets), which could provide reference to design of buffer materials in geological disposal for high-level wastes in China.
- high-level radioactive waste,
- geological disposal,
- engineering barrier,
- buffer material

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References(10)

References

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