ANALYSIS ON INSTALLATION SCHEMES FOR BACKFILL MATERIALS IN DISPOSAL DRIFTS OF GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL RADIOACTIVE WASTES IN CHINA

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

doi:10.13204/j.gyjzG20072114

Volume 50 Issue 9

Nov. 2020

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2020 > 50(9): 21-24,74

HOU Wei, YANG Qiuyu, WANG Xuhong, LYU Tao, LI Chang, LI Yuxi, XIA Jiaguo, LI Tingjun, ZHANG Wei, MA Hongbin. STUDY OF DISPOSAL CONCEPTS FOR HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 1-7,11. doi: 10.13204/j.gyjzG20063012

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LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. ANALYSIS ON INSTALLATION SCHEMES FOR BACKFILL MATERIALS IN DISPOSAL DRIFTS OF GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 21-24,74. doi: 10.13204/j.gyjzG20072114

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ANALYSIS ON INSTALLATION SCHEMES FOR BACKFILL MATERIALS IN DISPOSAL DRIFTS OF GEOLOGICAL DISPOSAL REPOSITORIES FOR HIGH-LEVEL RADIOACTIVE WASTES IN CHINA

doi: 10.13204/j.gyjzG20072114

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

Received Date: 2020-07-21
Publish Date: 2020-11-23

Abstract

Abstract

Backfill materials in disposal drifts are important engineering barriers in geological disposal repositories of high-level radioactive wastes; a certain installed dry density is required to meet its barrier function. Based on the concept of geological disposal of high-level radioactive wastes in China and the design concept of backfill materials, the sensitivity analysis of factors affecting installed densities of backfill materials by combining the reference design of backfill blocks and pellets was carried out. It was found that block dry densities and filling degree were the dominant factors. Then, combining the design requirements of the installed dry densities for backfills, feasible plans to meet the requirements were proposed on an analysis of 36 possible installation schemes. The study could provide technical reference to related experimental research of backfills in geological disposal repositories of high-level radioactive wastes in China.
- disposal drift,
- backfill material,
- installed dry density,
- sensitivity analysis,
- installation scheme

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References(10)

References

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