![]() ![]() The structure keeps in an undamaged state under frequent earthquakes and it does not collapse under rare earthquakes therefore, the seismic design target is satisfied. It meant that the earthquake input energy can be well dissipated. Analyses have shown that the maximum interstory drift can satisfy the limits specified in Chinese code and the failure sequence of structural members was reasonable. With the model transformation, seismic performances of SHIDC were fully investigated. These models were used in ABAQUS or Perform-3D directly. NosaCAD has function modules for transforming the nonlinear analysis model to Perform-3D and ABAQUS. Numerical results were compared with those of shake table testing. To fully evaluate structural behaviors of SHIDC under earthquakes, NosaCAD, ABAQUS, and Perform-3D, which are widely applied for nonlinear structure analysis, were used to perform elastoplastic time history analyses. It is a building of unequal height two-tower system and the story lateral stiffness of two towers is different, which may result in the torsion effect. Shanghai International Design Center (SHIDC) is a hybrid structure of steel frame and reinforced concrete core tube (SF-RCC). ![]()
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