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  Muhammed Çoşut, Gebrail Bekdaş, Sinan Melih Nigdeli
  Challenge Journal of Concrete Research Letters (2023) 14(4) 96-106
  In this study, algorithms with two objective functions are defined considering the TS500 (2000) (Reinforced concrete structures design and construction rules) and TBDY (2018) (Turkey Building Earthquake Regulation) standards for rectangular beam design. These ...
• Performance of light weight ferrocement composite walls
  Yousry B. I. Shaheen, Zeinab A. Etman, Doha E. A. Kandil
  Challenge Journal of Concrete Research Letters (2023) 14(3) 69-88
  The aim of this research is to examine the performance of reinforced lightweight ferrocement walls under vertical and horizontal loading. The walls were made up of two thin layers of ferrocement reinforced with one, two, three, or four layers of welded wire me...
• A comparative study on the structural performance of an RC building based on updated seismic design codes: case of Turkey
  Ercan Işık
  Challenge Journal of Structural Mechanics (2021) 7(3) 123-134
  The destructive earthquakes and structural damages reveal the importance of the rules of earthquake-resistant structural design. The need of update and renewal of these rules periodically become inevitable as a result of scientific developments, innovations in...
• Comparison of ultrasound-guided fascia iliaca compartment block versus the combined obturator nerve and adductor canal block application in postoperative analgesia for patients undergoing arthroscopic knee surgery
  Betül Sevgi Sarıkaya, Bora Bilal, Feyza Çalışır, Cengizhan Yavuz, Gözen Öksüz, Ziya Kurşun, Hafize Öksüz
  Challenge Journal of Perioperative Medicine (2024) 2(3) 65-69
  Background: Arthroscopic knee surgery is a surgical intervention that is frequently performed by orthopedic clinics and new studies are constantly carried out by anesthetists to ensure effective pain control. This study aimed to compare the efficacy of ultraso...
• Standardization the effect of shape of aggregates with respect to compressive strength of concrete
  Md. Shafiqul Islam, Md. Abul Kalam Azad, Arup Ratan Sarker
  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...