Cover & Contents Vol.17 No.1

Full Text:

Related Articles

• Impact of wrap quantity on strength of damaged and undamaged CFRP-reinforced structural members
  Serdal Ünal, Ahmet Burak Kurt, Mehmet Canbaz
  Challenge Journal of Concrete Research Letters (2025) 16(3) 133-141
  In this study, the effect of carbon fiber reinforced polymer (CFRP) wrapping on the compressive and bending behavior of damaged reinforced concrete structural elements located in high earthquake risk areas was investigated in detail. The main objective was to ...
• 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...
• Effect of polyethylene terephthalate granules on nano-CaCO3-blended concrete
  Awinash Kumar, Sachin Kumar Singh, Abhishek Mishra, Awadhesh Srivastava
  Challenge Journal of Concrete Research Letters (2026) 17(1) 1-12
  This study explores the effects of partially replacing fine aggregate with 10% polyethylene terephthalate granules (PET) and cement with varying amounts (0–5%) of nano calcium carbonate (CaCO3) in M40 grade concrete. Concrete mixes were tested for workability,...
• Tea waste ash: Characterization, pozzolanic activity and effects on the fresh properties of cement pastes
  İlknur Bekem Kara, Cuma Kara
  Challenge Journal of Concrete Research Letters (2025) 16(2) 51-59
  It is a well-known fact that the use of agricultural wastes in cementitious composites by turning them into ash provides both ecological and economic benefits. Tea factories in Türkiye are located in the Eastern Black Sea region. Tea waste generated in factori...
• Perioperative complications in patients undergoing urological surgery with spinal anesthesia: A prospective, observational study
  Dilan Akyurt, Hija Yazıcıoğlu, Candan Haytural, Berna Demir, Ayşegül Özgök
  Challenge Journal of Perioperative Medicine (2024) 2(2) 30-35
  Background: Spinal anesthesia is widely used as the primary anesthesia method in urological surgeries, and this prospective observational study aimed to evaluate the associated complications.Materials and Method: Demographic data, procedures, and spinal anesth...