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With the added layer transformation in the country 's wide range of applications , explore added layer reconstruction project also will be increased . However, due to the shapeless , lack of specialized specification of the unified field specification adding Transformation , lack of earthquake response analysis . Structural optimization and analysis plus layer project Shanxi concrete high-rise commercial and residential ( layer 15 ) . This project uses the finite element method , the to use PKPM and MIDAS software to analyze the engineering examples , mainly the following aspects : 1, In this paper, the status of the research data query, understand adding Transformation practice at home and abroad and research status of and inadequate. And lists a number of issues that exist in our current Additional Floor . Model various scenarios built static analysis , modal analysis , vibration mode decomposition response spectrum analysis and time history analysis , research structures in earthquake response under wind loads ; through the processing of the calculation results , more intuitively reflect the various the program internal forces and deformation . By the comparison of two different structural system program from the technical feasibility and economic reasonableness , the finalized added layer structure system . 4 , analysis by finite element software modeling , analysis of the structural response of the structure under rare earthquake , analysis of internal forces in the structure under rare earthquake displacement reaction . 5 , both selected structural system attempts to load an Wenchuan Bo for structural analysis , structured to meet the regulatory requirements under local event similar to such a large earthquake in Wenchuan structural response .
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