Research Articles | Challenge Journal of Concrete Research Letters

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  • Mohammed Gamal Al-Hagri, Mahmud Sami Döndüren
    Challenge Journal of Concrete Research Letters (2022) 13(1) 36-53
    Incorporation of nanomaterials into cement-based materials has great potentials to improve their performance to great levels and to produce construction materials with superior and unique properties. Various nanoparticles have been utilized in cementitious com...
  • Yousry B. I. Shaheen, Zeinab A. Etman, Aya M. Elrefy
    Challenge Journal of Concrete Research Letters (2022) 13(1) 5-27
    The main objective of the following work is to study the effect of using different types of metallic and non-metallic mesh reinforcement materials on the flexural behavior of ferrocement hollow-cored panels as a viable alternative for conventional reinforced c...
  • 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...
  • Kamel Kandil, Mostafa El-Shami, Ghada Mousa Hekal, Osama Magdy ElGouhary
    Challenge Journal of Concrete Research Letters (2025) 16(2) 95-114
    This study investigates the behavior of multi-cell steel columns (MCCs) under impact loading through both experimental and numerical analysis. Twelve specimens, including single-cell columns (SCC) and four-cell MCC configurations, were tested in empty and conc...
  • 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...