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  Savaş Erdem, Khalid Saifullah, Ezgi Gürbüz, Marva Angela Blankson
  Challenge Journal of Structural Mechanics (2016) 2(3) 169-178
  In this study, an eight story seismically isolated building representing a mid-rise type building was employed to investigate the effect of usage of different concrete classes (C20, C25, C30, C40, and C50) on the seismic response of a seismically isolated buil...
• Assessment of bonding defects in FRP reinforced structures via ultrasonic technique
  Emma La Malfa Ribolla, Mohsen Rezaee Hajidehi, Giuseppe Fileccia Scimemi, Antonino Spada, Giuseppe Giambanco
  Challenge Journal of Structural Mechanics (2016) 2(3) 139-146
  Fiber reinforced polymer (FRP) composite systems are widely used for the rehabilitation of concrete structures such as building that need to resist to seismic loads, bridges that have to carry heavier traffic loads. The technique consists in bonding the compos...
• Mechanical characterization of FDM-printed PLA: Role of infill geometry and build direction
  Tevfik Oğuzhan Ergüder, Caner Bulut
  Challenge Journal of Structural Mechanics (2025) 11(4) 201-214
  This study examines the mechanical behavior of polylactic acid (PLA) components produced via Fused Deposition Modeling (FDM), focusing on the effects of infill geometry and build orientation on tensile strength and deformation. Three infill patterns‒Cubic Subd...
• Nonlinear in-plane response of 3D-printed concrete walls with varied infill patterns: Experimental mix design and numerical structural assessment
  İsmail Hakkı Tarhan, Yeşim Tarhan
  Challenge Journal of Structural Mechanics (2025) 11(3) 160-173
  This study investigates the nonlinear in-plane structural behavior of 3D-printed concrete wall elements with two representative internal infill patterns ‒ lattice (L) and triangular (T) ‒ using finite element modeling informed by experimentally derived materia...
• Energy & crack tip stress interactions in mixed mode I/III fracture of DX51 steel sheets
  Claire De Marco Muscat-Fenech, Stephen Ciappara
  Challenge Journal of Structural Mechanics (2016) 2(3) 147-162
  DX51D sheet is subjected to mixed mode I/III loading in a purposely designed fixture apparatus. The resulting stable crack-tip growth, direction, slant angle and typical factory-roof crack were observed and discussed as the loading mixity was varied. The total...