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Buckling assessment of cylindrical steel tanks with top stiffening ring under wind loading
Zeybek, Özer; Topkaya, Cem (Routledge, 2019)A stiffening ring is commonly used at the top of the tank wall to increase its strength against external pressure instability. Traditional design treatments generally consider cylindrical storage tanks under uniform external ... -
A design approach for the ring girder in elevated steel silos
Zeybek, Özer; Seçer, Mutlu (Elsevier Ltd, 2020)Silos in the form of the thin-walled cylindrical steel shells are commonly supported on a ring girder, which rests on a limited number of columns to discharge the content by gravity flow into transportation systems. Local ... -
Effects of reinforcing steel tanks with intermediate ring stiffeners on wind buckling during construction
Zeybek, Özer; Özkılıç, Yasin Onuralp (Elsevier Ltd, 2023)Many tank structures may not be stable during the construction phase, and this may lead to their becoming vulnerable to buckling under environmental loading conditions such as wind. Installing intermediate ring stiffeners ... -
Influence of Replacing Cement with Waste Glass on Mechanical Properties of Concrete
Zeybek, Özer; Özkılıç, Yasin Onuralp; Karalar, Memduh; Çelik, Ali İhsan; Qaidi, Shaker; Ahmad, Jawad; Burduhos-Nergis, Dumitru Doru (MDPI, 2022)In this study, the effect of waste glass on the mechanical properties of concrete was examined by conducting a series of compressive strength, splitting tensile strength and flexural strength tests. According to this aim, ... -
Mechanical Behavior of Crushed Waste Glass as Replacement of Aggregates
Çelik, Ali İhsan; Özkılıç, Yasin Onuralp; Zeybek, Özer; Karalar, Memeduh; Qaidi, Shaker; Ahmad, Jawad (MDPI, 2022)In this study, ground glass powder and crushed waste glass were used to replace coarse and fine aggregates. Within the scope of the study, fine aggregate (FA) and coarse aggregate (CA) were changed separately with proportions ... -
Morphology of coast and textural characteristics of coastal sediments (NE Gokova Graben, SW Turkey)
Yılmaz Aksoy, Özlem; Zeybek, Özer (Springer, 2019)This study examines the morphology, lithological characteristic and controlling factors of coastal sediments in the northeast Gokova Graben (southwest Turkey). The northeast Gokova Graben is located in a region with several ... -
Performance evaluation of fiber-reinforced concrete produced with steel fibers extracted from waste tire
Zeybek, Özer; Özkılıç, Yasin Onuralp; Çelik, Ali İhsan; Deifalla, Ahmed Farouk); Ahmad, Mahmood; Sabri, Mohanad Muayad) (FRONTIERS MEDIA SA, 2022)With the increasing number of vehicles in the world, the amount of waste tires is increasing day by day. In this case, the disposal of expired tires will cause serious environmental problems. In recent years, instead of ... -
The stability of anchored cylindrical steel tanks with a secondary stiffening ring
Zeybek, Özer (ELSEVIER SCI LTD, 2022)Cylindrical steel tanks are used in most countries to store bulk volumes of liquid products such as oil, water and chemicals. These structures are commonly constructed from thin steel plates. The thin wall makes the tank ... -
Stability of laterally unsupported shear links in eccentrically braced frames
Özkılıç, Yasin Onuralp; Özer, Zeybek; Topkaya, Cem (WILEY, 2021)I-shaped links in eccentrically braced frames (EBFs) are susceptible to lateral or lateral torsional buckling when subjected to cyclic link rotations. Lateral bracing should be provided at the ends of the I-shaped links ... -
Stiffness requirements for wind girders in open-top cylindrical steel tanks
Zeybek, Özer; Topkaya, Cem (ELSEVIER SCI LTD, 2022)Aboveground cylindrical storage tanks are very thin shell structures which are prone to buckling when subjected to wind pressure. Both external and internal pressures are developed due to wind action, and the magnitudes ... -
Stress resultants for wind girders in open-top cylindrical steel tanks
Zeybek, Özer; Topkaya, Cem; Rotter, J. Michael (Elsevier Sci Ltd, 2019)Empty open-top cylindrical steel tanks are susceptible to buckling when subjected to external pressure due to wind or partial vacuum due to blocked vents. A "wind girder" is commonly used at the top of the tank wall to ...