Research into Treatment Theory and Technique for Expansive Soil Geological Disasters
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概要
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In this paper the bad geological characteristic and the huge disaster caused by expansive soil are elaborated. When constructing the road in expansive soil area, the origin and performance of roadbeddisease such as slope stability failure,roadbed settlement,mud pumping,ballast bag and so on are elaborated emphatically. Meanwhile, the expansion and shrinkage mechanism of expansive soil havebeen studied from such aspects as physical-chemistry-mechanics effect, material composition and microscopic structure, external influencing factors and so on. Then, in view of the roadbed disease ofhighway in expansive soil area, such expansive soil treatment and reinforcement methods as physical improvement, chemistry improvement, physics-chemistry improvement, biological improvement aresummarized and proposed.
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