Browsing by OzU Authors "Kurtuluş, Aslı"
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Blind identification of site effects and bedrock motion from surface response signals
Ghahari, S. F.; Abazarsa, F.; Jeong, C.; Kurtuluş, Aslı; Taciroglu, E. (Elsevier, 2018-04)A method for blind identification of site effects from two nearby ground surface response signals is presented. The proposed approach makes use of ground surface accelerations from two nearby stations to back-calculate the ... -
A computational workflow for rupture‐to‐structural‐response simulation and its application to Istanbul
Zhang, W. Y.; Restrepo, D.; Crempien, J. G. F.; Erkmen, Bülent; Taborda, R.; Kurtuluş, Aslı; Taciroglu, E. (Wiley, 2020-10)Scenario-based earthquake simulations at regional scales hold the promise in advancing the state-of-the-art in seismic risk assessment studies. In this study, a computational workflow is presented that combines (i) a ... -
Implications of site specific response analysis
Ansal, Mustafa Atilla; Tönük, G.; Kurtuluş, Aslı (Springer, 2018)Definition of design earthquake characteristics, more specifically uniform hazard acceleration response spectrum, on the ground surface is the primary component for performance based design of structures and assessment of ... -
Interaction of a pile with layered-soil under vertical excitations: field experiments versus numerical simulations
Seylabi, E. E.; Kurtuluş, Aslı; Stokoe II, K. H.; Taciroglu, E. (Springer International Publishing, 2017-09)Data recorded during a field test involving an instrumented drilled shaft under vertical excitations are examined in order to (1) extract the soil–pile system’s dynamic impedance, and (2) to evaluate the small-strain shear ... -
An investigation of the effects of surface topography on the seismic structural demands for a region of istanbul
Zhang, W.; Taciroglu, E.; Restrepo, D.; Taborda, R.; Kurtuluş, Aslı; Ansal, Mustafa Atilla (CRC Press, 2019)In this study, we provide preliminary results from an ongoing study—funded by The Scientific and Technological Research Council of Turkey, TUBITAK—investigating the effects of site-specific surface topography and soil ... -
Microzonation with respect to ground shaking intensity
Ansal, Mustafa Atilla; Tönük, G.; Kurtuluş, Aslı (CRC Press, 2019)Seismic microzonation is conducted to assess the seismic hazard on the ground surface with respect to ground shaking intensity. A probabilistic seismic hazard study is conducted to define earthquake characteristics on the ... -
Observations from geotechnical arrays in Istanbul
Kurtuluş, Aslı; Ansal, Mustafa Atilla; Tönük, G.; Çetiner, B. (Springer, 2015-04-16)Few small earthquakes with local magnitude slightly larger than ML = 4 were recorded by geotechnical downhole arrays that have been recently deployed in the west side of Istanbul. Same events were also recorded by Istanbul ... -
A simplified approach for site-specific design spectrum
Ansal, Mustafa Atilla; Tönük, G.; Kurtuluş, Aslı (Springer, 2018)The design acceleration spectrum requires site investigations and site-response analyses in accordance with the local seismic hazard. The variability in earthquake source and path effects may be considered using a large ... -
Site response from Istanbul vertical arrays and strong motion network
Ansal, Mustafa Atilla; Kurtuluş, Aslı; Tonuk, G. (Earthquake Engineering Research Institute ( EERI ), 2014)In the framework of Istanbul Microzonation Project for the European side, the investigated region was divided by a grid system of 250m×250m and site investigations were performed for each cell based on borings and in-situ ... -
Site specific response analysis for performance based design earthquake characteristics
Tönük, G.; Ansal, Mustafa Atilla; Kurtuluş, Aslı; Çetiner, B. (Springer Science+Business Media, 2014-06)During strong earthquakes, seismic waves travelling towards the ground surface alter the engineering characteristics of the soil layers and consequently the characteristics of travelling seismic waves also change with ...
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