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    Dynamic analysis of historical Sehzade Mehmet Mosque for base isolation application
    (2011) Soyluk, A.; Tuna, M.E.
    Seismic isolation technology is one of the novel developments in the construction technology to increase the earthquake resistance of structural systems. In this study, it is intended to strenghten a historical masonary mosque system with base isolation technique. As a historical masonry system, Sehzade Mehmet Mosque which is considered as the apprenticeship of Mimar Sinan is considered and modeled with the finite element method. This masonry system is investigated for fixed base and seismically isolated bases with lead rubber bearing and high damping rubber bearing. Dynamic analyses of these systems are performed with the response spectrum method and the resulting structural periods and responses are compared with each other. Results obtained from the study show that seismic base isolation technique applied to the historical masonry system improves the dynamic behavior of the system. It is also concluded that the seismic base isolation technique is a proper method to strengthen historical systems without damaging the original historical texture.
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    Effect of seismic base isolation usage on the architectural design of irregular buildings
    (2011) Soyluk, A.; Tuna, M.E.
    Seismic isolation technology is one of the novel developments in the construction technology to increase the earthquake resistance of structural systems. In this study, an irregular reinforced concrete building with an L plan shape which includes all the irregularities in the plane and vertical defined in the Turkish Earthquake Code 2007 is modeled for three different base conditions. These base conditions are the fixed base and seismically isolated bases with lead rubber bearing and high damping rubber bearing. Besides these models, a regular building is also considered in this study which excludes all the irregularities except the A3 irregularity defined in the Turkish Earthquake Code 2007. Structural periods and responses obtained from time history analysis are compared with each other for the considered models. Results obtained from the study show that seismic base isolation technique applied to the reinforced concrete system improves the dynamic behavior of these systems. Although the seismic base isolation technique provides freedom in design, this outcome should not direct the architects to design irregular structures.