Search Results - "Akbas, Bulent"

Seismic behavior of liquid storage tanks with 2D and 3D base isolation systems by Samet Kılıç, Bülent Akbaş, Jay Shen, Fabrizio Paolacci

“…In past major earthquakes (1994 Northridge, 1995 Kobe, Chi-Chi 1999, Kocaeli 1999), significant damages occurred in the liquid storage tanks. The basic failure…”
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Consideration of economic vulnerability in seismic performance evaluation of structures by Romero, Daniela Zuloaga, Akbas, Bulent, Budiman, Jeff, Shen, Jay

“…Risk (economic, social and environmental) assessment and mitigation have recently gained great attention. It refers to computing the risk of a community’s…”
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Failure analysis of a welded steel pipe at Kullar fault crossing by Kaya, Ercan Serif, Uckan, Eren, O'Rourke, Michael J., Karamanos, Spyros A., Akbas, Bulent, Cakir, Ferit, Cheng, Yin

“…The seismic response of a 2200-mm-diameter welded steel pipe at strike slip Kullar fault crossing in Izmit, Kocaeli during 1999 Kocaeli earthquake is…”
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Prediction of lateral confinement coefficient in reinforced concrete columns using neural network simulation by Alacalı, Sema Noyan, Akbaş, Bulent, Doran, Bilge

“…This paper presents an application of Neural Network (NN) simulation in civil engineering science. The confinement degree for confined concrete has been…”
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Seismic axial loads in steel moment resisting frames by Shen, Jay, Akbas, Bulent, Seker, Onur, Doran, Bilge, Wen, Rou, Uckan, Eren

“…During the 1994 Northridge Earthquake, many buildings with modern steel moment resisting frames (SMRFs) suffered from connection failures. One year later,…”
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A neural network model to assess the hysteretic energy demand in steel moment resisting frames by Akbas, Bulent

“…Determining the hysteretic energy demand and dissipation capacity and level of damage of the structure to a predefined earthquake ground motion is a highly…”
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A methodology to estimate earthquake induced worst failure probability of inelastic systems by Akbas, Bulent, Nadar, Mustafa, Shen, Jay

“…Earthquake induced hysteretic energy demand for a structure can be used as a limiting value of a certain performance level in seismic design of structures. In…”
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An evaluation of energy response and cumulative plastic rotation demand in steel moment-resisting frames through dynamic/static pushover analyses by Akbas, Bülent, Tugsal, Ülgen Mert, Kara, F. İlknur

“…In the energy‐based design approach, the seismic design is performed through the balancing of the energy input and the energy dissipation of the structure. The…”
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Spectral decay parameter (κ) analysis for a single fault source and an automatic selection procedure for spectral flattening frequency (fx) by Biro, Yesim, Siyahi, Bilge, Akbas, Bulent

“…Lately the spectral decay parameter, κ, which essentially represents the decay of the high frequency ground motion amplitudes, is highly utilized and also…”
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Mechanisms in two-story X-braced frames by Shen, Jay, Wen, Rou, Akbas, Bulent

“…This paper presents a study to reveal actual mechanisms and seismic loading patterns on the braced-intersected beams in two-story X-braced frames (X-braced…”
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Improved brace fracture model for seismic evaluation of concentrically braced frames by Faytarouni, Mahmoud, Shen, Jay, Seker, Onur, Akbas, Bulent

“…•Existing brace fracture models fail to predict the fracture process observed from laboratory data.•Fracturing process concept logically explains brace…”
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Seismic assessment of ductile concentrically braced frames with HSS bracings by Faytarouni, Mahmoud, Seker, Onur, Akbas, Bulent, Shen, Jay

“…•Quantifying the fracture-leading ductility through tested square HSS braces.•Developing ductility-based fragility curves to estimate fracture of HSS…”
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Evaluation of brace fracture models in seismic analysis of concentrically braced frames by Faytarouni, Mahmoud, Shen, Jay, Seker, Onur, Akbas, Bulent

“…Brace fracture is included in seismic analysis and developing seismic provisions of concentrically braced frames. Reliability in predicting brace fracture is…”
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Investigation of channel-encased braces incorporating circular HSS by Seker, Onur, Shen, Jay, Faytarouni, Mahmoud, Akbas, Bulent

“…•Comprehensive survey of tested circular hollow shape specimens was conducted.•Experimental study is carried out on small-scale isolated brace…”
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A novel performance-enhancing technique for concentrically braced frames incorporating square HSS by Seker, Onur, Faytarouni, Mahmoud, Akbas, Bulent, Shen, Jay

“…•Majority of the tested square HSS braces fracture prior to 2.5% story drift ratio.•Channel-encased braces offer a cost-effective performance-enhancing…”
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Seismic performance of concentrically braced frames with and without brace buckling by Shen, Jay, Seker, Onur, Akbas, Bulent, Seker, Pinar, Momenzadeh, Seyedbabak, Faytarouni, Mahmoud

“…•Braces in SCBFs often fracture prior to 2% story drift ratio response.•Columns in the SCBF are subjected to large flexural demand over capacity ratio.•Beams…”
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Impact of Brace Fracture on Column Splice Demands in Braced Frames by Faytarouni, Mahmoud, Seker, Onur, Akbas, Bulent, Shen, Jay

“…AbstractBraces made of square hollow structural sections (HSSs) in special concentrically braced frames (SCBFs) are likely to fracture under expected demand…”
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Cyclic behavior of buckling-controlled braces by Shen, Jay, Seker, Onur, Sutchiewcharn, Narathip, Akbas, Bulent

“…A parametric study is presented to quantify essential factors influencing cyclic behavior of a steel buckling-controlled brace (BCB) with a tube carrying axial…”
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A methodology to estimate earthquake induced worst failure probability of inelastic systems by Akbas, Bulent, Nadar, Mustafa, Shen, Jay

“…Earthquake induced hysteretic energy demand for a structure can be used as a limiting value of a certain performance level in seismic design of structures. In…”
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Seismic demand on column splices in special concentrically braced frames by Faytarouni, Mahmoud, Seker, Onur, Akbas, Bulent, Shen, Jay

“…•Evaluating seismic demands on column splices in SCBF at several splices locations.•Tensile axial demands on splices do not exceed 40% of axial yielding…”
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