论文类型：会议论文

第一作者：Hu P.

合写作者：Yang Q.,Luan M.

发表时间：2010-06-06

收录刊物：EI、Scopus

文献类型：A

卷号：1

页面范围：853-858

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 bentonitesand 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. Copyright ? 2010 by ASME.

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