TY  - CONF
A1  - Milkova, Kristina
A1  - Butenweg, Christoph
A1  - Dumova-Jovanoska, Elena
T1  - Region-sensitive comprehensive procedure for determination of seismic fragility curves
T2  - 1st Croatian Conference on Earthquake Engineering 1CroCEE 22-24 March 2021 Zagreb, Croatia
N2  - Seismic vulnerability estimation of existing structures is unquestionably interesting topic of high priority, particularly after earthquake events. Having in mind the vast number of old masonry buildings in North Macedonia serving as public institutions, it is evident that the structural assessment of these buildings is an issue of great importance. In this paper, a comprehensive methodology for the development of seismic fragility curves of existing masonry buildings is presented. A scenario – based method that incorporates the knowledge of the tectonic style of the considered region, the active fault characterization, the earth crust model and the historical seismicity (determined via the Neo Deterministic approach) is used for calculation of the necessary response spectra. The capacity of the investigated masonry buildings has been determined by using nonlinear static analysis. MINEA software (SDA Engineering) is used for verification of the structural safety of the structures Performance point, obtained from the intersection of the capacity of the building and the spectra used, is selected as a response parameter. The thresholds of the spectral displacement are obtained by splitting the capacity curve into five parts, utilizing empirical formulas which are represented as a function of yield displacement and ultimate displacement. As a result, four levels of damage limit states are determined. A maximum likelihood estimation procedure for the process of fragility curves determination is noted as a final step in the proposed procedure. As a result, region specific series of vulnerability curves for structures are defined.
KW  - seismic risk
KW  - seismic vulnerability
KW  - fragility curves
KW  - masonry structures
Y1  - 2021
UR  - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/10488
SP  - 121
EP  - 128
PB  - University of Zagreb
CY  - Zagreb
ER  -