Calculation Method for Equivalent Model of Regular Isolated Structure with Bend shear Deformation |
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Authors: | YU De hu FU Wei qing and WANG Huan ding |
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Institution: | School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, P. R. China;;Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, P. R. China; Architecture and Civil Engineering Institute, Heilongjiang University, Harbin 150086, P. R. China;;School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, P. R. China |
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Abstract: | Isolation technique was not only applied for middle or low buildings, but also recently it was applied to high rise buildings. For high rise buildings, multi order vibration should be considered for upper structure isolation and bend deformation should be taken into account in gross deformation because of large height to width ratio. On the basis of previous studies, calculation method of equivalent model for regular isolated structure with bend shear deformation characteristic was proposed according to equivalent criteria after the analysis for some model structures. With the proposed model, handwork calculation of earquake response for isolated structure can be simply completed and design efficiency of isolation structure was improved. Based on the case studies, the equivalency of proposed model was approved. |
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Keywords: | isolated structure equivalent rule equivalent model calculations seismic response |
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