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  Memduh Karalar, Burak Oz, Murat Çavuşli
  Challenge Journal of Concrete Research Letters (2022) 13(3) 80-92
  In this study, it has been examined whether the bottom ash (BA) released to the nature as waste material from the thermal power plant can be used in reinforced concrete structures (RCS) and how much cost reduction will be caused in construction technology if B...
• Effect of soil types on nonlinear earthquake behavior of buildings
  Memduh Karalar, Murat Demirköse, Necati Mert
  Challenge Journal of Structural Mechanics (2024) 10(1) 7-13
  The Winkler method, which is widely used today, assumes that the soil behaves elastically and does not take into account the soil shear stress values, it is insufficient to reflect the actual soil behavior. Especially in the earthquake calculations of rigid an...
• Economical evaluation of reinforced concrete hospital construction cost using bottom ash and fly ash
  Burak Oz, Memduh Karalar, Murat Çavuşli
  Challenge Journal of Concrete Research Letters (2022) 13(4) 116-126
  The use of waste materials in nature (e.g. fly ash, bottom ash) in the construction phase of buildings is of great importance both in terms of environmental pollution and the construction cost of the structures. Therefore, in this study, the effects of bottom ...
• Investigation of structural performances of historical building elements made with local materials using the finite element method
  Saeid Zardari, İzzettin Kutlu, Aslan Nayeb
  Challenge Journal of Concrete Research Letters (2024) 15(3) 101-111
  The structural performance of the materials used in historical buildings can be damaged, usually due to natural events or human-induced interference. Historical buildings in the Southeastern Anatolia Region were generally built with local materials such as sto...
• Effect of dimensions of specimens on the impact performance of concrete
  Mohammed Gamal Al-Hagri, Shahed Husni Ben Issa Ebribesh, Fares Alamoudi, Abdulrahman Rakan Al Haj Ali
  Challenge Journal of Concrete Research Letters (2025) 16(2) 85-94
  Mechanical properties of concrete are size dependent. While many reports have discussed the size effect of the test specimen on the static properties of concrete, research on the effect of cross-sectional dimensions of the concrete beams on its impact performa...