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讨论了胀缩岩土的基本特征与测试技术．探索了该类岩土全球宏观分布及其胀缩势能．研究了粘土矿物尤其是高钠蒙脱石与地质环境变化间的相互关系．分析了胀缩岩土斜坡的移动规律和失稳机制．揭示了相应内外环境作用下不同边坡破坏的再现性．结果表明：失稳机制有助于同类工程问题的后继研究与处理
The basic characteristics and testing techniques of swelling and shrinkage are discussed. The global macro-distribution and swelling and shrinking potential of this type of rock and soil are explored. The interrelationship between clay minerals, especially high sodium montmorillonite and geological environment changes was studied. The movement law and instability mechanism of swelling and contraction slope are analyzed. Reveals the reproducibility of different slope damage under the corresponding internal and external environment. The results show that the instability mechanism contributes to the subsequent research and treatment of similar engineering problems