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Research on Arrangement of Hoop-layers of Imitating Bamboo Drum Type Tridimensional Parking Structure
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    Abstract:

    Considering that the structural type and load feature of vertical lifting tridimensional parking structures are similar to those of bamboo, a new structural arrangement style of tridimensional parking structure was presented, that is to set hoop-layers like bamboo knots at their proper height according to the imitating bamboo principle that any two adjacent hoop-layers have equal stability and lateral displacement. The static and stability properties of imitating bamboo structure and non-imitating bamboo structures were studied. It is shown that the lateral stiffness of imitating bamboo structure is obviously improved and the storey relative lateral displacement becomes smaller and more uniformly distributed. The internal force mutation of columns is relatively moderate, and the resisting overturning ability of structures is enhanced. Moreover, the whole stabilization of structures controlled by equivalent short columns improves the stability bearing capacity. All the above verify the rationality of the arrangement of hoop-layers in imitating bamboo parking structure.

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