Related Articles

• Evolutionary process and mechanical properties of polymers: A comprehensive review
  Shahnizan Imran Mohd Nazri, Nur Farhayu Ariffin, Mohamad Firdaus Mohamad Borhan
  Challenge Journal of Concrete Research Letters (2025) 16(4) 225-242
  The growing demand for innovative construction materials has driven the exploration of polymer-based composites due to their enhanced mechanical performance and potential environmental benefits. However, a clear understanding of the historical development, cla...
• Predicting compressive strength of heavyweight concrete using deep neural networks and Box–Behnken design
  Amir Hossein Derakhshan Nezhad, Seayf Allah Hemati, Omid Rezaifar
  Challenge Journal of Concrete Research Letters (2025) 16(4) 173-202
  This study investigates the prediction and evaluation of compressive strength in heavyweight concrete incorporating magnetite and steel slag, using two advanced modeling techniques: Deep Artificial Neural Networks (DANN) and Box-Behnken Response Surface Method...
• 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...
• 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...
• Compressive strength and fire resistance of mortar containing spent garnet as partial sand replacement
  Wee Phadee Wee Chit, Ahmed Mokhtar Albshir Budiea, Hamidun Mohd Noh, Khairunisa Muthusamy, Saleh Omar Bamaga
  Challenge Journal of Concrete Research Letters (2025) 16(4) 164-172
  The increasing demand for sand in construction, driven by rapid urbanization, has led to unsustainable sand mining and significant environmental degradation. This study addresses the urgent need for sustainable alternatives by investigating the use of spent ga...