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  Challenge Journal of Concrete Research Letters (2018) 9(1) 1-9
  It is proved that aggregate’s types have the severe effect on physicomechanical properties of concrete as aggregate covered almost 70 to 80 percent of the total volume of concrete. The effect of Flaky and Elongated aggregates on strength, durability, and worka...
• Effect of different trimline extension of clear aligners in combination with Class II elastics on the mandibular dentition: a finite element analysis
  Nurver Karslı, Bahanur Hilal Kisbet
  Challenge Journal of Structural Mechanics (2024) 10(2) 58-68
  Objective of this study is to evaluate the effect of different trimline extension of aligners and the effect of elastics applied through the slit cutouts and buttons on the mandibular dentition using Class II intermaxillary elastics combined with clear aligner...
• Investigation of the effects of re-curing on mechanical properties of basalt-polypropylene hybrid fiber concretes after exposure to high temperature
  Yunus Urtekin, Zinnur Çelik
  Challenge Journal of Structural Mechanics (2025) 11(1) 14-23
  Fiber reinforced concretes have attracted significant attention in recent decades due to their superior flexural and toughness properties compared to traditional concrete in civil engineering structures. In addition, cementitious materials can undergo signific...
• The mechanical properties of cement mortar reinforced with silica fume subjected to sulfate and chloride environment
  Sulaiman Al-Safi, Abdulghani Altharehi, Ibrahim A. Alameri, Abdulmalek Al-Jolahy
  Challenge Journal of Structural Mechanics (2025) 11(1) 55-69
  This study investigates the effect of incorporating micro-sized silica fume on the mechanical properties and durability of cement mortar when exposed to sulfate and chloride environments. Mortar samples were prepared by replacing cement with micro-sized silica...
• Flowability and compressive strength of ternary blended cement mortar of coal bottom ash and ground cockle shell ash
  Nabilla Mohamad, Rahimah Embong, Nor Hazurina Othman, Khairunisa Muthusamy, Mohd Faizal Md Jaafar
  Challenge Journal of Concrete Research Letters (2025) 16(1) 25-32
  Flourishing cement industry to meet the demand of construction industry has negative impact to the global environment owing to the carbon emission during calcination of cement. At the same time, the disposal of coal bottom ash and cockle shell from coal power ...