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  This study investigated the mechanical performance of lightweight photocatalytic marbelite (LPM). In the production of LPM, titanium dioxide (TiO2) and various fiber additives were used to impart self-cleaning properties to the LPM with photocatalytic effect. ...
• How does intravenous ondansetron affect motor and sensory block in spinal anesthesia administered with intrathecal levobupivacaine? A prospective randomized controlled study
  Mustafa Felat Ataman, Husnu Suslu, Leyla Saidoglu
  Challenge Journal of Perioperative Medicine (2024) 2(3) 89-93
  Background: Spinal anesthesia is commonly performed in surgical procedures, and ondansetron, frequently used as an antiemetic, is often administered to manage postoperative nausea and vomiting. Given their frequent co-administration, we sought to investigate t...
• Influence of the distance between vertical cylinders positioned in a row on the wind load on them
  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...
• Wind loads on girder bridges
  Lyubomir A. Zdravkov
  Challenge Journal of Structural Mechanics (2022) 8(1) 9-16
  Bridges are facilities that are in exploitation outdoor. Often the wind is the leading horizontal force in the transverse direction. Therefore the bridges have received the due attention in the standards for wind loading. Unfortunately, in all available standa...
• Combined effect of rice husk ash and animal bone powder on strength and permeability of concrete
  Hasnain Mahmud, Towhid Ahmed, Md. Shafiqul Islam
  Challenge Journal of Structural Mechanics (2025) 11(1) 1-13
  Concrete is a key component of construction, and its demand is rising quickly along with infrastructural development. Although cement and aggregates are still essential components for making concrete, the production of cement greatly increases CO2 emissions, n...