Adhesive bonding is a suitable joining technique for composite materials. The thick adherents shear’ tests (TASTs) are common joint-specimen tests performed to determine the adhesive shear properties. This paper presents the results of numerical modelling of several TAST specimen configurations. The numerical models were conceived considering the adherents made of fiber reinforced polymer (FRP) strips and bonded with an epoxy type adhesive. The adhesive layer thickness has varied as 1 mm, 2 mm and 3 mm, while the overlap length has been increased from 50 mm to 70 mm and 100 mm, respectively. Unidirectional tensile load of 500 N, 1000 N and 2000 N are applied and the stress-strain distributions are investigated. The results are presented in terms of total deformation, equivalent stress (von-Mises) and equivalent strain (von-Mises).
The shear wall horizontal displacement is one of the most important parameters involved in the seismic design of the timber framed structures. This paper presents the fundamentals of displacement-based seismic design, along with a description of the requirements for its application: checking of the maximum allowable displacement, checking of the buildings’ separation and determining the stiffness of the walls. The horizontal displacement of a shear wall is determined through the analytical calculation of the wall elements’ displacements. For timber framed structure, the International Building Code (IBC), recommends analytical models for the determination of the horizontal displacement. However, the European norm, Eurocode 5 does not provide any calculation model for the lateral displacement. A comparative study of the available analytical models and the corresponding results are presented in this paper.
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