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  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...
• 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...
• Experimental performance analysis of concrete-filled steel column to concrete-filled steel beam connections
  Sadrettin Sancıoğlu, Abdulkerim İlgün, Serdar Çarbaş
  Challenge Journal of Concrete Research Letters (2025) 16(4) 215-224
  Existing literature and practical engineering practice have comprehensively examined the behaviour of concrete-filled steel tubular (CFST) columns, CFST beams, and their associated connection systems involving either steel or reinforced concrete (RC) beams. De...
• Exploring deflection challenges: A case study on the influence of heavy concrete weight on profiled steel deck slabs
  Sudhakaran Arumugam, Vijayaprabha Chakrawarthi, Manicka Mamallan Andavar
  Challenge Journal of Concrete Research Letters (2025) 16(3) 155-163
  This paper presents a case study of a deflection challenge in a profiled steel deck slab subjected to heavy concrete loads, as observed during a field investigation. In recent decades, such slabs have gained popularity in both the construction and industrial s...
• Effect of different trimline extension of clear aligners in combination with Class II elastics on the mandibular dentition: a finite element analysis
  Nurver Karslı, Bahanur Hilal Kisbet
  Challenge Journal of Structural Mechanics (2024) 10(2) 58-68
  Objective of this study is to evaluate the effect of different trimline extension of aligners and the effect of elastics applied through the slit cutouts and buttons on the mandibular dentition using Class II intermaxillary elastics combined with clear aligner...