24 Kasım 2023 Konferans bildirisi Açık Erişim

Ahmet Özbayrak

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        "name": "Ahmet \u00d6zbayrak", 
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    "description": "<p>The difficulties encountered in experimental research cause loss of time and money. For this reason, both the sample production process and the experimental setup design are extremely important. In this study, the difficulties encountered in column tests under uniaxial bending and the solution of the problem are presented. For the solution, the structure of the end regions of the columns and the design of the support plates of the experimental setup are revised and the expected column buckling behavior is obtained. The unreinforced concrete cover in the end zones of the columns breaks suddenly due to bending effect as a result of eccentric axial compressive loading and the expected collapse behavior in the middle zone does not occur. In order to solve the problem, firstly, modifications were made to increase the support stiffness in the experimental setup. Then, in order to provide sufficient improvement, the 25 mm concrete cover formed during production at the ends of the columns was cut. In fact, column longitudinal reinforcements should be welded directly to the metal plates to be formed in the end cross-section of the column during fabrication without mitring. Thus, in this way, no concrete cover is left in the end regions of the column, preserving its slenderness without reducing the effective length of the column, and preventing fracture from occurring at the end region.</p>", 
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      "Column test", 
      "uniaxial bending", 
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      "longitudinal reinforcements", 
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    "publication_date": "2023-11-24", 
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      "Teknik Bilimler > \u0130n\u015faat M\u00fchendisli\u011fi > Mekanik > Yap\u0131 Mekani\u011fi"
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    "title": "Challenges Encountered in Column Tests Under  Eccentric Axial Load and Proposed Solutions", 
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