Title: Design and Research of Simulation Seismic Test Based on Four-layer Brick Concrete 1/3 Scale Model
Abstract: To study the destruction mechanism and seismic resistance of brick masonry structure under the action of earthquake,reduced scale model of four-layer brick masonry structure is established and the similarity relationship is proved.The model seismic shaking table tests are simulated after satisfying the test requirements.Structures' seismic responses under the earthquake are observed.Structural damping ratio,natural frequency,acceleration amplification factor,displacement-time curve are also measured.Test results show that the reduced scale model can accurately reflect structural's damage process in the earthquake and measure the effective data.According to the structure failure process,weak positions from strong to weak are followed as the bottom of the frame and the constructional column of the upper masonry conversion parts,bearing wall,beam-column node joints at the bottom of the frame;under the earthquake,floor joints are severely damaged and the combining ways of each component play a vital role in the stability of the structure.Therefore,the ductility of the composite masonry structure building can be appropriately improved and using the way such as floor slab cast-in-place can effectively increase the seismic performance of the brick masonry structure.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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