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• 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...
• Optimal strain gage location for determination of mode I stress intensity factor for orthotropic laminates using a single strain gage
  Debabrata Chakraborty, Debaleena Chakraborty, K. S. R. Krishna Murthy
  Challenge Journal of Structural Mechanics (2016) 2(3) 179-184
  The present work discusses a robust method developed for determination of mode I stress intensity factor (KI) of orthotropic laminates using a single strain gage and based on a three parameter strain series representation ahead of the crack tip. Appropriate ra...
• 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 ...
• 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...
• 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...