Abstract
THE SSI EFFECTS ON SEISMIC RESPONSE ASSESSMENT OF MASONRY BUILDINGS
Dr. Kasım A. Korkmaz*
ABSTRACT
Masonry buildings are one of the most common building types in rural areas especcially for developing countries. Investigation of their behavior during the earthquakes is very important. For understanding their accurate behavior, boundary conditions should be defined accurately. It is valid especally for their support mechanisms. Therefore, soil-structure interaction is one of the important issue. It is also an important concern for earthquake engineers to define earthquake behavior exactly of the masonry buildings. Buildings designed without considering soil-structure interaction effect, may behave different then predicted. Hence, Soil-structure interraction should be considered for an accurate structural definition. In the present study, soil-structure interaction for masonry buildings was investigated. A masonry building with several structural damages from March 8th 2010 in Elazig Kovacilar earthquake was selected and investigated as an representative building. In the study, 3 different soil profiles and linear springs for each soil profile with different stiffness coefficient were defined. Time history analysis was carried out through Elazig Kovacilar earthquake by considering soil-structure interaction system. In the time history analysis, data from March 8th, 2010 Elazig Kovacilar earthquake were used. As a result of the study, importance of soil-structure interaction behavior in an accurate behavior was demonstrated through base shear forces and displacements. The results were evaluated comparatively for different soil profiles.
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