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RISS 인기검색어
- 검색키워드
- 저자 : Halil Sezen (검색결과 5 건)
- 무료
- 기관 내 무료
- 유료
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Shear deformation model for reinforced concrete columns
Halil Sezen 국제구조공학회 2008 Structural Engineering and Mechanics, An Int'l Jou Vol.28 No.1
Column shear failures observed during recent earthquakes and experimental data indicate that shear deformations are typically associated with the amount of transverse reinforcement, column aspect ratio, axial load, and a few other parameters. It was shown that in some columns shear displacements can be significantly large, especially after flexural yielding. In this paper, a piecewise linear model is developed to predict an envelope of the cyclic shear response including the shear displacement and corresponding strength predictions at the first shear cracking, peak strength, onset of lateral strength degradation, and loss of axial-load-carrying capacity. Part of the proposed model is developed using the analysis results from the Modified Compression Field Theory (MCFT). The results from the proposed model, which uses simplified equations, are compared with the column test data.
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Shear deformation model for reinforced concrete columns
Sezen, Halil Techno-Press 2008 Structural Engineering and Mechanics, An Int'l Jou Vol.28 No.1
Column shear failures observed during recent earthquakes and experimental data indicate that shear deformations are typically associated with the amount of transverse reinforcement, column aspect ratio, axial load, and a few other parameters. It was shown that in some columns shear displacements can be significantly large, especially after flexural yielding. In this paper, a piecewise linear model is developed to predict an envelope of the cyclic shear response including the shear displacement and corresponding strength predictions at the first shear cracking, peak strength, onset of lateral strength degradation, and loss of axial-load-carrying capacity. Part of the proposed model is developed using the analysis results from the Modified Compression Field Theory (MCFT). The results from the proposed model, which uses simplified equations, are compared with the column test data.
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Behavior of exterior reinforced concrete beam-column joints including a new reinforcement
Fisher, Matthew J.,Sezen, Halil Techno-Press 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.40 No.6
Six reinforced concrete beam-column joint specimens were constructed and tested under reverse cyclic loading to failure. The six specimens were divided into three groups, each group representing a different joint design. The main objectives of this study are to investigate the response of joints with three different design, reinforcement detailing and beam strengths, and to evaluate and compare the responses of beam-column joints reinforced with traditional steel rebar and a recently proposed steel reinforcement called prefabricated cage system (PCS). Each of the three test specimen designs included equivalent amount of steel reinforcement and had virtually identical details. The results of the research show that the PCS reinforced joints had a slightly higher strength and significantly larger deformation capacity than the equivalent rebar reinforced joints.
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Behavior of exterior reinforced concrete beam-column joints including a new reinforcement
Matthew J. Fisher,Halil Sezen 국제구조공학회 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.40 No.6
Six reinforced concrete beam-column joint specimens were constructed and tested under reverse cyclic loading to failure. The six specimens were divided into three groups, each group representing a different joint design. The main objectives of this study are to investigate the response of joints with three different design, reinforcement detailing and beam strengths, and to evaluate and compare the responses of beam-column joints reinforced with traditional steel rebar and a recently proposed steel reinforcement called prefabricated cage system (PCS). Each of the three test specimen designs included equivalent amount of steel reinforcement and had virtually identical details. The results of the research show that the PCS reinforced joints had a slightly higher strength and significantly larger deformation capacity than the equivalent rebar reinforced joints.
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Seismic Assessment and Performance of Nonstructural Components Affected by Structural Modeling
Jieun Hur,Eric Althoff,Halil Sezen,Richard Denning,Tunc Aldemir 한국원자력학회 2017 Nuclear Engineering and Technology Vol.49 No.2
Seismic probabilistic risk assessment (SPRA) requires a large number of simulations toevaluate the seismic vulnerability of structural and nonstructural components in nuclearpower plants. The effect of structural modeling and analysis assumptions on dynamicanalysis of 3D and simplified 2D stick models of auxiliary buildings and the attachednonstructural components is investigated. Dynamic characteristics and seismic performanceof building models are also evaluated, as well as the computational accuracy of themodels. The presented results provide a better understanding of the dynamic behavior andseismic performance of auxiliary buildings. The results also help to quantify the impact ofuncertainties associated with modeling and analysis of simplified numerical models ofstructural and nonstructural components subjected to seismic shaking on the predictedseismic failure probabilities of these systems.
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