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Volume 40 Issue 6
Nov.  2021
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Article Navigation >  Bulletin of Geological Science and Technology  > 2021  >  40(6): 236-245
Yu Yuting, Gui Lei, Zhu Xinghua, Han Youming. Deformation characteristics of building foundation under different action modes of landslide[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 236-245. doi: 10.19509/j.cnki.dzkq.2021.0623
Citation: Yu Yuting, Gui Lei, Zhu Xinghua, Han Youming. Deformation characteristics of building foundation under different action modes of landslide[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 236-245. doi: 10.19509/j.cnki.dzkq.2021.0623
shu

Deformation characteristics of building foundation under different action modes of landslide

doi: 10.19509/j.cnki.dzkq.2021.0623
  • Received Date: 30 Apr 2021
    Abstract
  • Due to the topographic conditions, a large number of houses are built on the landslide in the southwest mountainous area, which have potential safety hazard. It is of great significance to explore the action mechanism between landslide and buildings and scientifically guide the design and protection of houses on landslide, so as to ensure the safety of residents' lives and property and promote the harmonious development of people and land. The foundation is the direct object of the landslide on the house. Therefore, taking the masonry structure house foundation as the research object, the deformation characteristics of the foundation in the test and simulation are compared and analyzed by using the method of physical experiment and numerical simulation, the reliability of the boundary setting of the numerical model is verified, and the deformation and failure characteristics of the house foundation under different landslide action modes are studied. The results show that the failure modes of building foundation under the slow deformation of landslide can be summarized into three modes: tension, shear and compression; The location of house crack development is closely related to the location of landslide surface crack. With the increase of the included angle between the main sliding direction of landslide and house foundation, the house foundation damage becomes more and more serious. Therefore, in the site selection and design of houses, priority should be given to the use of landslide extrusion area or reducing the included angle between the central axis of the long side of the house and the main sliding direction of the landslide.

     

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