LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018
Citation:
LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018
LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018
Citation:
LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018
As an important part of the engineering barrier system of high-level waste geological disposal repositories, the backfill material in the disposal drifts should have appropriate compressibility to limit the upward expansion of buffer materials in disposal holes. Based on the concept of geological disposal of high-level radioactive wastes in China, the interaction between backfill and buffer materials was researched, by combining the relevant research results on candidate buffer materials (Gaomiaozi bentonite) and backfill materials (bentonite-sand mixtures). Based on theoretical calculations, the effect of densities of backfills in disposal drifts on densities of buffers in disposal holes after expansion was analyzed, and the densities of backfills that satisfied compressible requirements were determined.
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). Design, Production and Initial State of the Backfill and Plug in Deposition Tunnels:SKB TR-10-16[R]. Stockholm, Sweden:SKB, 2010.
JOHANNESSON L E, NILSSON U. Deep Repository-Engineered Barrier Systems. Geotechnical Behaviour of Candidate Backfill Materials. Laboratory Tests and Calculations for Determining Performance of the Backfill:SKB TR-06-73[R]. Stockholm, Sweden:Swedish Nuclear Fuel and Waste Management Co.(SKB), 2006.
LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018
LYU Min, HOU Wei, WANG Xuhong, YANG Qiuyu, LYU Tao, XIA Jiaguo, LI Yuxi, YIN Yue. STUDY OF INTERACTION BETWEEN BUFFER AND BACKFILL MATERIALS IN GEOLOGICAL DISPOSAL REPOSITORIES OF HIGH-LEVEL RADIOACTIVE WASTES IN CHINA[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(9): 12-16. doi: 10.13204/j.gyjzG20063018