Yazar "Bayraktar, Alemdar" için listeleme
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Assessment of nonlinear seismic performance of a restored historical arch bridge using ambient vibrations
Sevim, Baris; Bayraktar, Alemdar; Altunisik, Ahmet Can; Atamturktur, Sezer; Birinci, Fatma (Springer, 2011)Historic masonry arch bridges are vital components of transportation systems in many countries worldwide, ensuring the ready access of goods and services to millions of people. The structural failure of these historic ... -
CFRP composite retrofitting effect on the dynamic characteristics of arch dams
Altunisik, Ahmet Can; Gunaydin, Murat; Sevim, Baris; Bayraktar, Alemdar; Adanur, Suleyman (Elsevier Sci Ltd, 2015)The purpose of this study is to investigate the effect of retrofitting dynamic characteristics of a damaged laboratory arch dam model, subsequently repaired with high-strength structural mortar and strengthened with composite ... -
Dynamic Characteristics of an Arch Dam Model before and after Strengthening with Consideration of Reservoir Water
Altunisik, Ahmet Can; Gunaydin, Murat; Sevim, Baris; Bayraktar, Alemdar; Adanur, Suleyman (Asce-Amer Soc Civil Engineers, 2016)This technical note presents an investigation about the changing of dynamic characteristics of an arch dam model before and after strengthening considering reservoir water. To this end, an arch dam-reservoir-foundation ... -
Effects of random material and geometrical properties on structural safety of steel-concrete composite systems
Cavdar, Ozlem; Bayraktar, Alemdar; Cavdar, Ahmet (Wiley, 2011)A stochastic finite element-based algorithm for probabilistic analysis of structural systems made of composite sections with random material and geometrical properties under earthquake forces is proposed in this paper. ... -
Effects of random material and geometrical properties on structural safety of steel–concrete composite systems
Çavdar, Özlem; Bayraktar, Alemdar; Çavdar, Ahmet (INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING, 2011)A stochastic finite element-based algorithm for probabilistic analysis of structural systems made of composite sections with random material and geometrical properties under earthquake forces is proposed in this paper. ... -
Estimation of Elasticity Modulus of a Prototype Arch Dam Using Experimental Methods
Sevim, Baris; Altunisik, Ahmet Can; Bayraktar, Alemdar; Akkose, Mehmet; Adanur, Suleyman (Asce-Amer Soc Civil Engineers, 2012)Using experimental methods, this study presents the estimation of the dynamic and static ( secant) elasticity modules of a prototype arch dam. These experimental methods are ambient vibration tests, uniaxial compression ... -
Experimental and analytical system identification of Eynel arch type steel highway bridge
Altunisik, Ahmet Can; Bayraktar, Alemdar; Sevim, Baris; Ozdemir, Hasan (Elsevier Sci Ltd, 2011)This paper describes a full scale arch type steel highway bridges, its finite element modelling and Operational Modal Analysis. Eynel Highway Bridge which has arch type structural system with a total length of 336 m and ... -
Finite element model calibration effects on the earthquake response of masonry arch bridges
Sevim, Baris; Bayraktar, Alemdar; Altunisik, Ahmet Can; Atamturktur, Sezer; Birinci, Fatma (Elsevier, 2011)The focus of this paper is to illustrate the importance of model calibration and in situ vibration testing by comparing the finite element model predictions of the earthquake response of the two historical arch bridges, ... -
Finite element model calibration of berke arch dam using operational modal testing
Sevim, Baris; Bayraktar, Alemdar; Altunisik, Ahmet Can (Sage Publications Ltd, 2011)This paper presents the finite element calibration of Berke Arch Dam by using Operational Modal Testing. Achievement of this purpose involves structural vibration characteristics of Berke Arch Dam using analytical and ... -
Finite element model updating effects on nonlinear seismic response of arch dam-reservoir-foundation systems
Bayraktar, Alemdar; Sevim, Baris; Altunisik, Ahmet Can (Elsevier, 2011)This paper investigates the effects of finite element model updating on nonlinear seismic response of arch dam-reservoir-foundation systems. The highest arch dam in Turkey named Berke is selected for the numerical and ... -
Finite element model updating of an arch type steel laboratory bridge model using semi-rigid connection
Altunisik, Ahmet Can; Bayraktar, Alemdar; Sevim, Baris; Kartal, Murat Emre; Adanur, Suleyman (Techno-Press, 2010)This paper presents finite element analyses, experimental measurements and finite element model updating of an arch type steel laboratory bridge model using semi-rigid connections. The laboratory bridge model is a single ... -
Investigation of water length effects on the modal behavior of a prototype arch dam using operational and analytical modal analyses
Sevim, Baris; Bayraktar, Alemdar; Altunisik, Ahmet Can (Techno-Press, 2011)This study determines the water length effects on the modal behavior of a prototype arch dam using Operational and Analytical Modal Analyses. Achievement of this purpose involves construction of a prototype arch ... -
Nonlinear Earthquake Performance Evaluation of a Structure Collapsed during the Van, Turkey, Earthquake on October 23, 2011
Cavdar, Ozlem; Bayraktar, Alemdar (Asce-Amer Soc Civil Engineers, 2016)The paper investigates the structural performance of a seven-story reinforced concrete (RC) building that collapsed during the Van (Turkey) earthquake on October 23, 2011, using nonlinear static and dynamic methods. The ... -
Perturbation Based Stochastic Finite Element Analysis of the Structural Systems with Composite Sections under Earthquake Forces
Çavdar, Özlem; Bayraktar, Alemdar; Çavdar, Ahmet; Adanur, Süleyman (Steel and Composite Structures, 2008)This paper demonstrates an application of the perturbation based stochastic finite element method (SFEM) for predicting the performance of structural systems made of composite sections with random material properties. The ... -
Pushover and nonlinear time history analysis evaluation of a RC building collapsed during the Van (Turkey) earthquake on October 23, 2011
Cavdar, Ozlem; Bayraktar, Alemdar (Springer, 2014)The nonlinear seismic behavior of a collapsed reinforced concrete (RC) residential building in the city of Van in Turkey is investigated by the static pushover and nonlinear time history analyses. The selected RC structure ... -
Retrofitting Effect on the Dynamic Properties of Model-Arch Dam with and without Reservoir Water Using Ambient-Vibration Test Methods
Altunisik, Ahmet Can; Gunaydin, Murat; Sevim, Baris; Bayraktar, Alemdar; Adanur, Suleyman (Asce-Amer Soc Civil Engineers, 2016)Continuous health monitoring and regular condition assessment is of vital importance for engineering structures in general and especially for arch dams. These structures can be exposed to many different loads such as ... -
Stochastic finite element analysis of a cable-stayed bridge system with varying material properties
Cavdar, Ozlem; Bayraktar, Alemdar; Adanur, Suleyman (Elsevier Sci Ltd, 2010)Stochastic seismic finite element analysis of a cable-stayed bridge whose material properties are described by random fields is presented in this paper. The stochastic perturbation technique and Monte Carlo simulation (MCS) ... -
Stochastic finite element analysis of long-span bridges with CFRP cables under earthquake ground motion
Cavdar, Oezlem; Bayraktar, Alemdar; Adanur, Sueleyman; Basaga, Hasan Basri (Indian Acad Sciences, 2010)Stochastic seismic analysis of long-span bridges with Carbon fibre reinforced polymer (CFRP) cables are presented in this study through combination of the advantages of the perturbation based stochastic finite element ... -
Stochastic finite element analysis of structural systems with partially restrained connections subjected to seismic loads
Cavdar, Oezlem; Bayraktar, Alemdar; Cavdar, Ahmet; Kartal, Murat Emre (Techno-Press, 2009)The present paper investigates the stochastic seismic responses of steel Structure systems with Partially Restrained (PR) connections-by using Perturbation based Stochastic Finite Element (PSFEM) method. A stiffness matrix ... -
Stochastic seismic analysis of Komurhan Highway Bridge with varying material properties
Cavdar, Ozlem; Bayraktar, Alemdar; Altunisik, Ahmet Can (Taylor & Francis Ltd, 2015)Stochastic seismic finite element analyses of the Komurhan Bridge, the material properties of which are described by random fields, are presented in this paper. The stochastic perturbation technique and Monte Carlo simulation ...
