Simulation for Seismic Assessment of Traditional Houses in the Historical Core of the City of Xanthi Before and After Non-Invasive Structural Interventions

Abstract eng:
This paper examines the seismic behavior of three typical traditional houses in the old city of Xanthi using simulation models and the possibilities of restoration and optimization of the Local Historical Structural System used. For this purpose the function of their existing structural system is analyzed and their seismic behavior examined and evaluated using simulation models and time history analysis of the dynamic response to a series of ground motions. Simple, noninvasive structural interventions are selected for restoration and optimization. The seismic behavior of the improved structural system is subsequently re-evaluated using the same modeling procedures. A comparative evaluation of the results obtained from the initial and the postintervention models is used to assess the global modification of the dynamic characteristics and the anticipated performance effected by the types of interventions examined. The variability of the results owing to parameter changes enables a first assessment of the uncertainties associated with the actual details, geometry and state of materials and the mechanical properties thereof, on the dynamic properties and dependable deformation capacity of the structure at the life-safety performance limit state.

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