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  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...
• 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...
• Optimization of reinforced concrete frame structures and matrix displacement method
  Muhammed Çoşut, Gebrail Bekdaş, Sinan Melih Nigdeli
  Challenge Journal of Concrete Research Letters (2023) 14(1) 10-17
  In this study, reinforced concrete frame system is generated, and all structural elements which are beam and columns are optimized according to the applied distributed loads and different concrete classes by using Matlab program. Jaya algorithm which is a Meta...
• Strengthening of historic masonry vaults with CFRP prepreg
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  Masonry vaults, frequently used in historic buildings to create large openings, have played a critical role in the survival of these buildings to the present day. These structural elements, which have been exposed to destructive effects such as earthquakes for...
• Optimum design of reinforced concrete beam sections with JAYA algorithm
  Yasin Duysak, Sinan Melih Nigdeli, Gebrail Bekdaş
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  Section design is an important process for designing reinforced concrete structures because of the existence of factors such as bearing capacity and cost. After defining the initial cross sections for reinforced concrete elements, reinforcement amounts are cal...