engleski

Seismic performance assessment of existing stone masonry school building in Croatia using nonlinear static procedure

Seismic performance assessment of a stone masonry school building in Croatia is presented in this paper. The building is located in the seismically active southern part of the country, with the reference peak ground acceleration on the bedrock for the return period of 475 years of 0.214g. Measurements of the soil fundamental frequency were conducted. The lateral load-resisting system of the structure comprises stone masonry walls typical for this region. Seismic analyses with nonlinear static methods were performed includ­ ing material non-linearities of structural elements. Criteria for evaluation and performance requirements were accounted and relevant engineering demand parameters were compared in relation to design criteria. The seis­ mic performance assessment was made based on the obtained results, including the building collapse mechan­ isms and the identification of critical structural elements. It is shown that main failure mode of stone masonry walls in the building is shear diagonal cracking.

stone masonry ; nonlinear modeling ; pushover method

nije evidentirano