A study of precast concrete connections and methods for improving their performance
محل انتشار: دومین کنفرانس بین المللی معماری، عمران، شهرسازی، محیط زیست و افق های هنر اسلامی در بیانیه گام دوم انقلاب
سال انتشار: 1401
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 155
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شناسه ملی سند علمی:
ICACU02_1927
تاریخ نمایه سازی: 13 اسفند 1401
چکیده مقاله:
As the precast beam-to-column connection suffers the most damage after an earthquake, several methods have been developed to improve its performance. In this study, several studies on the precast beam-to-column connection are examined, for investigating the newest method for enhancing its performance. The comparison between the result of experimental analyses in different studies showed that using steel plates and dampers or a combination of different types of dampers are very helpful in increasing energy dissipation, ductility, stiffness, relocation of the plastic hinge, and preventing concrete beams from damage. There are, however, some problems with pinching in the hysteresis response, and forthcoming analyses can be conducted on this topic. In addition, welding causes some uncertainty in the connection and is hard to perform, however, it increases ductility in the structure. Considering that and the fact that using bolts is much easier in installation, one should consider using both in combination to achieve more reliable results.
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نویسندگان
Sadaf Amiri,
Msc Student in structure Engineering, Department of Civil Engineering, Faculty ofEngineering, Razi University, Kermanshah, Iran
Ebrahim Khalilzadeh Vahidi
Assistant Professor, Department of Civil Engineering, Faculty of Engineering, RaziUniversity, Kermanshah, Iran