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  Mehmet Uzun
  Challenge Journal of Concrete Research Letters (2024) 15(3) 82-89
  In this study, we explore the possibility of using sisal fibers as an environmentally-friendly reinforcing agent for foam concrete. We aim to improve its physical properties by combining environmental friendliness with engineering practicality to create a dura...
• 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 ...
• A different approach for green concrete production: Determination of the effect of e-waste and waste rubber powder on durability properties of concrete
  H. Alperen Bulut
  Challenge Journal of Concrete Research Letters (2024) 15(3) 69-81
  This study was carried out to present a different approach to green concrete production by utilizing electronic waste (e-waste) and waste rubber powders in order to provide a solution to both the cost and carbon footprint problems arising from the rapid consum...
• Mechanical properties assessment of recycled brick aggregate concrete using demolition waste from century-old masonry buildings in Nepal
  Bipul Niroula, Mahesh Raj Bhatt
  Challenge Journal of Concrete Research Letters (2026) 17(1) 41-56
  This study explores the potential of recycling bricks from dismantled old buildings into brick aggregates and utilizing them as coarse aggregates in recycled brick aggregate concrete. Nepal, being susceptible to seismic events, generates large amounts of const...
• 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...