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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Article Navigation > INDUSTRIAL CONSTRUCTION > 2020 > 50(9): 34-37,33

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

KARNLAND O, OLSSON S, NILSSON U. Mineralogy and Sealing Properties of Various Bentonites and Smectite-Rich Clay Minerals:SKB TR-06-30[R]. Stockholm, Sweden:Swedish Nuclear Fuel and Waste Management Co(SKB),2006.

VILLAR M V, GOMEZ ESPINA R. Effect of Temperature on the Water Retention Capacity of FEBEX and MX-80 Bentonites[C]//1st European Conference on Unsaturated Soils:Advances in Geoengineering. 2008:257-262.

Swedish Nuclear Fuel and Waste Management Co(SKB). Long Term Safety for KBS-3 Repositories at Forsmark and Laxemar:A First Evaluation. Main Report of the SR-Can Project:SKB TR-06-09[R]. Stockholm, Sweden:SKB,2006.

Swedish Nuclear Fuel and Waste Management Co(SKB).Design, Production and Initial State of the Buffer:SKB TR-10-15[R]. Stockholm, Sweden:SKB,2010.

Swedish Nuclear Fuel and Waste Management Co(SKB).Buffer and Backfill Process Report for the Safety Assessment SR-Can:SKB TR-06-18[R]. Stockholm, Sweden:SKB,2006.

PUSCH R. The Buffer and Backfill Handbook, Part 1:Definitions, Basic Relationships, and Laboratory Methods:SKB TR-02-20[R]. Stockholm, Sweden:Swedish Nuclear Fuel and Waste Management Co(SKB),2002.

刘月妙,徐国庆,刘淑芬. 我国高放废物处置库缓冲/回填材料压实膨胀特性研究[J]. 铀矿地质,2001(1):44-47.

侯伟,王旭宏,杨球玉,等.我国高放废物地质处置库缓冲材料的设计要求[J].工业建筑, 2020,50(9):8-11.

李昱茜,侯伟,王旭宏,等. 我国高放废物地质处置库缓冲材料饱和密度影响因素分析[J].工业建筑,2020,50(9):25-29

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