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Risk, Disaster Management and Strategic Planning, Ss. Cyril and Methodius University in Skopje, Institute of Earthquake Engineering and Engineering Seismology, Marija Vitanova , Skopje , North Macedonia
Building Structures and Materials: Design, Analysis and Testing, Ss. Cyril and Methodius University in Skopje, Institute of Earthquake Engineering and Engineering Seismology, Ss. Cyril and Methodius University in Skopje North Macedonia
The seismic performance of existing reinforced concrete (RC) buildings is a critical concern, especially for structures designed prior to the implementation of modern seismic design provisions. This paper presents the Japanese JBDPA Standard (2001) as a comprehensive framework for the seismic assessment of existing RC buildings. The methodology employs a three-level screening procedure to calculate the Seismic Index of Structure, which is subsequently compared with the required Seismic Demand Index to evaluate structural safety. The assessment incorporates member strength, ductility, structural irregularities, and time-related deterioration effects. Particular attention is given to the calculation of the principal evaluation indices and the criteria used for seismic safety judgment.
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