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作者:

Du, Xiu-Li (Du, Xiu-Li.) (学者:杜修力) | Li, Xia (Li, Xia.) | Chen, Guo-Xing (Chen, Guo-Xing.) | Huang, Hao-Hua (Huang, Hao-Hua.)

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摘要:

Based on the target of the test and the theory of vibration isolation, a suspension multidirectional laminar shear model box is developed. This box is a spatial structure system composed of circular frames suspended through steel cables, suspension bracket and motherboard. Theoretical analysis is carried out. The results show that the methodologies of vibration isolation and the structural forms can reduce the effect of the model box on the model soil and the inertia effect caused by the mass of the box itself. The simulated results, the comparison and analysis of the acceleration and the vibration modes of the model soil indicate that the shear deformation is developed in the model soil under horizontal earthquake action and the effect of the box on model soil can be ignored. The suspension multidirectional laminar shear box is very successful in simulating the soil boundary. The arching effect of the model soil can be eliminated. The disadvantage of the existing laminar shear box that earthquake wave only can be input in a single direction can be conquered.

关键词:

Shear flow Vibration analysis Suspensions (components) Earthquakes Subway stations Geotechnical engineering Soils Suspensions (fluids)

作者机构:

  • [ 1 ] [Du, Xiu-Li]Beijing Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Li, Xia]Beijing Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Chen, Guo-Xing]Institute of Geotechnical Engineering, Nanjing University of Technology, Nanjing 210009, China
  • [ 4 ] [Huang, Hao-Hua]Beijing Lab of Earthquake Engineering and Structural Retrofit, Beijing University of Technology, Beijing 100124, China

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来源 :

Chinese Journal of Geotechnical Engineering

ISSN: 1000-4548

年份: 2012

期: 3

卷: 34

页码: 424-432

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