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为查明察尔汗盐湖区工程地质情况,依托察格高速公路工程,采用地质勘察、土工试验等手段,提出了该区域工程地质分区:以区域地貌作为工程分区的主要依据,盐湖区分为湖相及化学沉积区、湖相沉积区、滨湖相沉积区3个区;依据岩土物理力学特征,在工程地质分区的基础上划分出工程地质亚区。根据工程实践,介绍了察格高速公路路基阻盐技术。
In order to find out the engineering geology of Chaerhan salt lake area and relying on the construction of the Chaigao Expressway, the geologic zoning of the area is put forward by means of geological investigation and geotechnical test. The regional geomorphology is the main basis for zoning of the project. Facies and chemical deposition area, lacustrine deposition area and lacustrine facies deposition area. According to the physical and mechanical characteristics of geotechnical engineering, the engineering geological sub-areas are divided on the basis of engineering geological zoning. According to the engineering practice, this paper introduced the salt resistance technology of subgrade of ZhaGe Expressway.