Abstract
Due to increases in the number of inhabitants and their concentrations in densely populated areas, there is a growing need in modern society to be cautious towards the impact of catastrophic natural events. An earthquake is a particularly major example of this. Knowledge of the seismic vulnerability of buildings in Europe and around the world has deepened and expanded over the last 20 years, as a result of the many devastating earthquakes. In this study, a review of seismic risk assessment methods in Croatia was presented with respect to the hazard, exposure, and vulnerability of buildings in the fourth largest city (Osijek) in Croatia. The proposed algorithm for a detailed risk assessment was applied to a database and is currently in its initial stage.
Highlights
IntroductionThe number of disasters around the world increases, causing more damage and deaths
Every year, the number of disasters around the world increases, causing more damage and deaths
Based on the assessment of vulnerability and on the estimation of the level of hazard, the earthquake loss estimation can be carried out. In this part of the methodology, the following will be taken into account: probabilistic evaluation of seismic hazard and creation of uniform hazard spectra (UHS) spectra, risk assessment of buildings constructed in compliance with older codes, and risk assessment for buildings constructed in compliance with Eurocode 8
Summary
The number of disasters around the world increases, causing more damage and deaths. The number of natural disasters has been on the rise, with earthquakes, in particular Their consequences have become more severe, including damage to buildings, infrastructure, technology, and whole societies [3,4,5,6]. Several different approaches have been developed in the world in order to estimate the seismic risk for whole countries or larger cities, all of those approaches are examples of very detailed studies that require large number of data (in particular, a detailed building database), which are not available in all countries, including Croatia. Based on the data of masonry structures damaged during historical earthquakes, as well as on results of experimental and/or analytical testing of new masonry materials and various seismic protection technologies for masonry structures and related publications, the vulnerability curves for different types of masonry structures should be developed. In this part of the methodology, the following will be taken into account: probabilistic evaluation of seismic hazard and creation of uniform hazard spectra (UHS) spectra, risk assessment of buildings constructed in compliance with older codes (for the seismic-resistant design), and risk assessment for buildings constructed in compliance with Eurocode 8
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