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Öğe A Discussion on the Design of Buildings with Rigid Basement According to TBSC 2018(Kırıkkale Üniversitesi, 2021) Özuygur, Ali Ruzi; Dilsiz, AbdullahTurkish Building Seismic Code (TBSC), which was published in 2018 and became effective in 2019 prescribes a two-stage loading method for designing of a building with a rigid podium. In the first loading stage, the rigid podium is modeled as a massless structure and only mass of the superstructure is considered in the modal response spectrum analysis. The seismic design forces of the superstructure are computed using this model with the appropriate response modification coefficient and the overstrength factor. In the second loading stage, the superstructure is modeled as a massless system and only mass of the rigid podium is considered in the modal response spectrum analysis. The seismic design forces of the rigid podium are computed using this second model with the appropriate response modification coefficient and the overstrength factor. In addition, the seismic forces computed for the superstructure are superposed with those computed for rigid podium. Due to the use of separate building models for the analyses and superposition need, this process is relatively cumbersome, complex and prone to errors. In this study, based on the structural analysis results, some considerations and recommendations are presented on the modeling and design of buildings with a rigid podium.
