Evaluation of cyclic behavior of shear links made of low yield point steel
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISSS05_017
تاریخ نمایه سازی: 1 آذر 1394
Abstract:
Shear links are mainly designed to sustain inelastic deformation ofeccentrically braced systems during severe earthquakes. Cyclicresponses of five types of shear links made from different steel gradeswith yield strength ranging from ١٠٠ to ٤٨٥ MPa, were investigated inthis paper. Finite element method was utilized for modeling the linksbehavior and strength degradation caused by web and flange localbuckling. Cyclic stress-strain curve was chosen for modeling the shearlink behavior where two different approaches were chosen forinvestigation. The first approach was based on conventional design ofshear links with stiffeners and the other one is based on utilization ofshear links without any stiffeners which is made of low yield point steel.The results showed an improved performance of shear links made fromLYP steel. This can be contributed to decreasing the web compactionratio and excluding the undesired effects caused by stiffeners such aswelding effects.
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Authors
Javad Razaghi
Assistant Professor, Engineering Faculty of guilan Univ., Rasht
Javad Tashakori
Master of Structure Engineering, Engineering Faculty of guilan Univ., Rasht
Sara Ansary
Master of Structure Engineering, Engineering Faculty of guilan Univ., Rasht
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