Research Articles | Challenge Journal of Concrete Research Letters

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Related Articles

  • Optimum design of reinforced concrete beam sections with JAYA algorithm
    Yasin Duysak, Sinan Melih Nigdeli, Gebrail Bekdaş
    Challenge Journal of Concrete Research Letters (2024) 15(4) 134-141
    Section design is an important process for designing reinforced concrete structures because of the existence of factors such as bearing capacity and cost. After defining the initial cross sections for reinforced concrete elements, reinforcement amounts are cal...
  • Optimal metaheuristic design of CFRP wrapping for enhancing the shear capacity of reinforced concrete columns
    Ammar Khalbous, Gebrail Bekdaş, Sinan Melih Nigdeli, Aylin Ece Kayabekir
    Challenge Journal of Structural Mechanics (2026) 12(1) 55-64
    Reinforced concrete (RC) columns are prone to brittle shear failure under lateral loads like earthquakes, especially in older structures. Carbon fiber reinforced polymer (CFRP) wrapping effectively enhances shear capacity, ductility, and energy dissipation. Th...
  • Prediction of optimum design of welded beam design via machine learning
    Yaren Aydın, Farnaz Ahadian, Gebrail Bekdaş, Sinan Melih Nigdeli
    Challenge Journal of Structural Mechanics (2024) 10(3) 86-94
    Design optimization is an important engineering design topic. One of the important issues in structural design is to minimize the cost. This study based on an engineering problem of Welded Beam Design aims to minimize the cost of the beam with machine learning...
  • Optimum design of reinforced concrete columns employing teaching-learning based optimization
    Gebrail Bekdaş, Sinan Melih Niğdeli
    Challenge Journal of Structural Mechanics (2016) 2(4) 216-219
    In structural engineering, the design of reinforced concrete (RC) structures needs an initial de-sign for cross sectional dimensions. After these dimensions are defined, the design constraints and the required reinforcement bars are calculated. But the require...
  • Optimization of reinforced concrete beam using hybrid algorithms with multi-objective function as CO2 emission and cost
    Muhammed Çoşut, Gebrail Bekdaş, Sinan Melih Nigdeli
    Challenge Journal of Concrete Research Letters (2023) 14(4) 96-106
    In this study, algorithms with two objective functions are defined considering the TS500 (2000) (Reinforced concrete structures design and construction rules) and TBDY (2018) (Turkey Building Earthquake Regulation) standards for rectangular beam design. These ...