Research on Field Identification Method of Swelling Rock (Soil) in Ci County of Hebei
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Abstract:
In the Middle Route of South-to-North Water Transfer Project in Ci county of Hebei, most of the widespread clay rock of the Neogene system Miocene series stratum shows swelling characteristics. Strong, medium, weak, and non-swelling rock (soil) is in interlaced distribution, which can be compared with the swelling rock (soil) in other areas. Based on the identification of field and laboratory data, the relationship between each index of the swelling rock (soil) was analyzed. The rapid field identification method of the grade of swelling rock (soil) was obtained from the engineering geological characteristics such as color, structure, and fracture development. The research result is of important significance to the selection of engineering method, excavation, and field geology.
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