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DU Xiu-li, LI Xia, CHEN Guo-xing, HUANG Hao-hua. Design and test verification of suspension multidirectional laminar shear model box[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(3): 424-432.
Citation: DU Xiu-li, LI Xia, CHEN Guo-xing, HUANG Hao-hua. Design and test verification of suspension multidirectional laminar shear model box[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(3): 424-432.

Design and test verification of suspension multidirectional laminar shear model box

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  • Received Date: July 28, 2011
  • Published Date: March 29, 2012
  • 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.
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