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  Lyubomir A. Zdravkov
  Challenge Journal of Structural Mechanics (2024) 10(3) 101-108
  The silos and vertical cylindrical tanks of small volumes are often built in batteries, at short distances between them. As a result of their close location, the wind load on them increases. In the European standard EN 1991-1-4:2005+A1:2010 exists a methodolog...
• Frequency and importance of herbal use among presurgical patients: A prospective cohort study
  Ayşe Zeynep Turan Civraz, Sema Candan
  Challenge Journal of Perioperative Medicine (2023) 1(2) 44-49
  Aim: Herbal medicine has been used by humankind since ancient times. However, its popularity has increased in the last 20-30 years. In addition to the production, presentation and marketing of herbal medicines, their effects on the body are also very complex. ...
• The impact of openings on ferrocement I-beams: a study on metallic and non-metallic mesh reinforcement
  Ghada Mousa Hekal, Ayman Magdy Moawad Elshaboury, Yousry B. I. Shaheen
  Challenge Journal of Concrete Research Letters (2024) 15(2) 30-46
  The primary objective of this investigation is to assess the influence of openings on the structural performance of ferrocement I-beams, incorporating diverse metallic and non-metallic mesh reinforcements. Sixteen beams underwent testing utilizing a four-point...
• 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...
• 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 ...