MEASUREMENT OF SOIL SUCTION AND SOIL-WATER CHARACTERISTICS OF BENTONITE-SAND MIXTURES

被引：0
|
作者：
Hu, Pan [1 ]
Yang, Qing [1 ]
Luan, Maotian [1 ]
机构：
[1] Dalian Univ Technol, Fac Infrastruct Engn, Dalian 116024, Peoples R China
来源：
PROCEEDINGS OF THE ASME 29TH INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2010, VOL 1 | 2010年
关键词：
bentonite-sand mixtures; soil-water characteristic curve(SWCC); high-level radioactive waste; vapor phase method; osmotic technique; BEHAVIOR; CLAY;
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The soil-water characteristic curve(SWCC) is a widely used experimental means for assessing fundamental properties of unsaturated soils for a wide range of soil suction values. The study of SWCC is helpful because some properties of unsaturated soils can be predicted from it. Nowadays,much attention has been paid to the behaviours of highly compacted bentonite-sand mixtures used in engineering barriers for high level radioactive nuclear waste disposal. It is very important to study the various performances of bentonite-sand mixtures in order to insure the safety of high-level radioactive waste (HLW) repository. After an introduction to vapor phase method and osmotic technique, a laboratory study has been carried out on compacted bentonite-sand mixtures. The SWCC of bentonite-sand mixtures has been obtained and analyzed. The results show that the vapor phase method and osmotic technique is suitable to the unsaturated soils with high and low suction.
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页码：853 / 858
页数：6
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