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黄土在我国分布广泛,分布面积约44万km~2,局部厚度可达400m。黄土具有遇水湿陷和强度降低的特征,容易给黄土地区的工程建设带来巨大的隐患,而与之相关的黄土边坡的稳定性问题,长期以来一直是黄土地区工程施工的一大难题。黄土属于特殊的非饱和土,准确地预测非饱和黄土边坡的稳定性,对黄土地区工程的施工以及工程的安全运行具有重要的意义。
Loess is widely distributed in our country, with an area of about 440000 km ~ 2 and a partial thickness of 400m. The loess has the characteristics of water-wet sink and strength reduction, which brings great hidden danger to engineering construction in the loess area. However, the stability of the loess slope associated with it has long been a major problem in engineering construction in the loess area . Loess belongs to a special unsaturated soil, accurately predict the stability of unsaturated loess slope, and is of great significance to the construction of loess area and the safe operation of the project.