Mechanism of the Frame-Supported Masonry Shear-Wall Structure with Inter-Story Isolation

Lei Lu; Ying Zhou

doi:10.4028/www.scientific.net/AMM.351-352.765

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 351-352Mechanism of the Frame-Supported Masonry...

Mechanism of the Frame-Supported Masonry Shear-Wall Structure with Inter-Story Isolation

Abstract:

Many frame-supported masonry shear-wall structures were observed severely damage in Wenchuan Earthquake. In this paper, an inter-story isolation system is implemented in such structures to mitigate the hazard of the earthquake. The mechanism of the mixed system is demonstrated by theoretical and numerical analysis. And it is concluded that the mass ratio, the below-stiffness ratio, the yield shear of isolated layer and the up-stiffness ratio are the main parameters whose effects are discussed separately. For the design convenience, a set of fitting equations of these parameters are provided.