Research Articles | Challenge Journal of Structural Mechanics

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Related Articles

  • Determining datum temperature and apparent activation energy: an approach for mineral admixtures incorporated cementitious systems
    Muhammet Atasever, Mustafa Tokyay
    Challenge Journal of Concrete Research Letters (2024) 15(4) 142-149
    The maturity method is used to predict the strength of concrete by monitoring its temperature history. Accuracy of maturity method relies on the dependable determination of the datum temperature and the apparent activation energy. The current study introduces ...
  • Behavior of multi-cell steel columns under impact loading
    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...
  • 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...
  • Design of reactive powder concrete mortar mixes through high strength and durability
    Yousry B. I. Shaheen, Zeinab A. Etman, Hanan Lotfy Sabiha
    Challenge Journal of Concrete Research Letters (2025) 16(3) 142-154
    This research investigates the characteristics of reactive powder concrete (RPC) through comprehensive analysis. The primary methodology involved evaluating both fresh (uncured) and hardened RPC specimens. The initial phase incorporated silica fume (SF) as a c...
  • Bonded particles models of rock plates with circular cavities in uniaxial and biaxial compression
    Michail A. Lotidis, Pavlos P. Nomikos, Alexandros I. Sofianos
    Challenge Journal of Structural Mechanics (2016) 2(4) 205-211
    In this paper, a distinct elements code is used to perform a numerical investigation for the size and stress gradient effects on the fracture initiation and propagation around single or pairs of pre-existing cavities in brittle rock. To investigate the rock fr...