Makale Koleksiyonu by Institution Author "Avşar, Özgür"
Now showing items 1-17 of 17
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Analytical Fragility Curves for Ordinary Highway Bridges in Turkey
Avşar, Özgür; Yakut, Ahmet; Caner, Alp (Earthquake Engineering Research Inst, 2011)This study focuses on the development of analytical fragility curves for the ordinary highway bridges constructed after the 1990s. Four major bridge classes were employed based on skew angle, number of columns per bent, ... -
Determination of elasticity modulus of low strength concrete and its effect on the risk assessment results by DSVB
Duran, Burak; Tunaboyu, Onur; Avşar, Özgür (Gazi University, Fac Engineering Architecture, 2017)Turkey is frequently exposed to destructive earthquakes causing loss of lives and property. There are many factors that affect the seismic vulnerability of existing buildings. Poor concrete quality is a major and widespread ... -
DOLGU DUVARLARIN BETONARME ÇERÇEVE DAVRANIŞINA ETKİSİNİN BASİTLEŞTİRİLMİŞ BİR YÖNTEMLE DİKKATE ALINMASI
Aksoy, Hasan Basri; Avşar, Özgür (Pamukkale University, 2015)Betonarme bir bina tasarlanırken ya da performans değerlendirmesi yapılırken, dolgu duvarların etkisi, çoğunlukla uygulamada hesaba katılmamaktadır. Bu etkiyi dikkate alabilmek için, bir takım hesaplamaların ve kabullerin ... -
Dolgu Duvarların Betonarme Çerçeve Davranışına Etkisinin Basitleştirilmiş Bir Yöntemle Dikkate Alınması
Aksoy, Hasan Basri; Avşar, Özgür (2015)Betonarme bir bina tasarlanırken ya da performans değerlendirmesi yapılırken, dolgu duvarların etkisi, çoğunlukla uygulamada hesaba katılmamaktadır. Bu etkiyi dikkate alabilmek için, bir takım hesaplamaların ve kabullerin ... -
Effective flexural rigidities for ordinary reinforced concrete columns and beams
Avşar, Özgür; Bayhan, Beyhan; Yakut, A. (Wiley-Blackwell, 2014)Current effective flexural rigidities proposed for use in design and analyses of reinforced concrete structures have been examined. The level of accuracy in the estimation of section rigidity plays a very important role ... -
Effectiveness of seismic repairing stages with CFRPs on the seismic performance of damaged RC frames
Duran, Burak; Tunaboyu, Onur; Kaplan, Onur; Avşar, Özgür (Techno-Press, 2018)This study aims at evaluating the performance of repairing technique with CFRPs in recovering cyclic performance of damaged columns in flexure in terms of structural response parameters such as strength, dissipated energy, ... -
Effects of Lead Core Heating on the Superstructure Response of Isolated Buildings
Argüç, Sedar; Avşar, Özgür; Özdemir, Gökhan (Asce-Amer Soc Civil Engineers, 2017)Strength of lead rubber bearings (LRBs) deteriorates as a function of temperature rise in the lead core under cyclic motions. Accordingly, the isolator exhibits a gradual change in its hysteretic behavior that affects both ... -
In-Depth Investigation of Seismic Vulnerability of an Aging River Bridge Exposed to Scour
Avşar, Özgür; Atak, Bengi; Caner, Alp (Asce-Amer Soc Civil Engineers, 2017)The stability and structural performance of aged structures under extreme events are rarely investigated. The severe deterioration in current condition of aged bridges can trigger premature failures under regular floods ... -
Influence of Structural Walls on the Seismic Performance of RC Buildings during the May 19, 2011 Simav Earthquake in Turkey
Avşar, Özgür; Tunaboyu, Onur (Asce-Amer Soc Civil Engineers, 2014)Reinforced concrete (RC) buildings having the adequate amount of structural wall area with a symmetrical arrangement have been proven to have a satisfactory seismic performance in past earthquakes. Properly constructed ... -
Response of Seismic-Isolated Bridges in Relation to Intensity Measures of Ordinary and Pulselike Ground Motions
Avşar, Özgür; Özdemir, Gökhan (Asce-Amer Soc Civil Engineers, 2013)This study concentrates on the efficiency of numerous ground motion intensity measures (IMs) to be used in estimating the response of seismic-isolated bridges (SIBs). Efficiency of commonly used IMs was investigated through ... -
Retrofit of non-seismically designed beam-column joints by post-tensioned superelastic shape memory alloy bars
Yurdakul, Özgür; Tunaboyu, Onur; Avşar, Özgür (Springer, 2018)A series of tests on three full-scale substandard exterior beam-column joints were performed to investigate the efficiency of the proposed retrofit configuration, which is the use of externally applied post-tensioned shape ... -
Seismic repair of captive-column damage with CFRPs in substandard RC frames
Tunaboyu, Onur; Avşar, Özgür (Techno-Press, 2017)The effectiveness of the repair scheme for the damaged captive-columns with CFRPs (Carbon Fiber Reinforced Polymer) was investigated in terms of response quantities such as strength, ductility, dissipated energy and stiffness ... -
Seismic vulnerability assessment criteria for RC ordinary highway bridges in Turkey
Avşar, Özgür; Yakut, A. (Techno-Press, 2012)One of the most important and challenging steps in seismic vulnerability and performance assessment of highway bridges is the determination of the bridge component damage parameters and their corresponding limit states. ... -
Strengthening of substandard reinforced concrete beam-column joints by external post-tension rods
Yurdakul, Özgür; Avşar, Özgür (Elsevier Sci LTD, 2016)The efficiency of the proposed strengthening method using externally applied post-tension rods in reinforced concrete external beam-column joints, which do not comply with any code requirements, is investigated. Five ... -
Structural damages of the May 19, 2011, Kutahya-Simav earthquake in Turkey
Yılmaz, Nazan; Avşar, Özgür (Springer, 2013)Reconnaissance observations are presented on the building damage caused by the May 19, 2011, Kutahya-Simav earthquake in Western Turkey as well as an overview of strong ground motion data recorded during the earthquake is ... -
Structural repairing of damaged reinforced concrete beam-column assemblies with CFRPs
Yurdakul, Özgür; Avşar, Özgür (Techno-Press, 2015)Depending on the damage type as well as the level of damage observed after the earthquake, certain measures should be taken for the damaged buildings. In this study, structural repairing of two different types of damaged ... -
Use of Bounding Analyses To Estimate the Performance of a Seismically Isolated Structure
Özdemir, Gökhan; Avşar, Özgür (2017)Current design approach for seismic isolated structures is to perform bounding analyses. These analyses provide an envelope for the response of the seismic isolated structure rather than focusing on the actual performance. ...