Cover & Contents Vol.14 No.1

Full Text:

Related Articles

• Optimization of reinforced concrete frame structures and matrix displacement method
  Muhammed Çoşut, Gebrail Bekdaş, Sinan Melih Nigdeli
  Challenge Journal of Concrete Research Letters (2023) 14(1) 10-17
  In this study, reinforced concrete frame system is generated, and all structural elements which are beam and columns are optimized according to the applied distributed loads and different concrete classes by using Matlab program. Jaya algorithm which is a Meta...
• Axial compression behaviour of concrete-filled auxetic tubular short columns
  Kemal Solak, Süleyman Nazif Orhan
  Challenge Journal of Concrete Research Letters (2023) 14(1) 1-9
  Concrete-filled steel columns (CFSCs) are of great interest in the literature as they are capable of carrying higher loads by combining the exceptional qualities of steel and concrete. With auxetic materials being introduced to civil engineering applications, ...
• Experimental study on the mechanical performance of polypropylene fiber-reinforced concrete incorporating palm oil fuel ash as partial cement replacement
  Alaa Omar Tanash, Ahmed Mokhtar Albshir Budiea, Mohd Faizal Md Jaafar, Khairunisa Muthusamy, Fahrizal Zulkarnain
  Challenge Journal of Concrete Research Letters (2025) 16(3) 115-124
  Environmental pollution caused by the disposal of palm oil fuel ash, a type of waste from the palm oil trade, needs to be resolved. At the same time, activities involved in the manufacturing of cement, which is the primary binder in commonly used concrete, hav...
• 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...
• Nonlinear in-plane response of 3D-printed concrete walls with varied infill patterns: Experimental mix design and numerical structural assessment
  İsmail Hakkı Tarhan, Yeşim Tarhan
  Challenge Journal of Structural Mechanics (2025) 11(3) 160-173
  This study investigates the nonlinear in-plane structural behavior of 3D-printed concrete wall elements with two representative internal infill patterns ‒ lattice (L) and triangular (T) ‒ using finite element modeling informed by experimentally derived materia...