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Experimental Study and Finite Elements of BRBF For AISC 341-16 | ||
| نشریه مهندسی عمران و محیط زیست دانشگاه تبریز | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 19 آذر 1402 | ||
| نوع مقاله: مقاله کامل پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ceej.2023.59023.2295 | ||
| نویسندگان | ||
| هدایت ولادی* 1؛ بهمن فرهمند آذر2؛ امید قشنگ پور3؛ عرفان یحیی زاد4 | ||
| 1عضو هیات علمی دانشگاه تبریز | ||
| 2دانشکده مهندسی عمران - دانشگاه تبریز | ||
| 3گروه مهندسی سازه، دانشکده عمران، دانشگاه تبریز، تبریز، ایران | ||
| 4گروه مهندسی سازه، دانشکده عمران، دانشگاه تبریز، ایران | ||
| چکیده | ||
| After the Northridge earthquake, special concentrically braced frames (SCBF) have recently been introduced; further studies conducted to eliminate their shortcomings, design flaws and implementation of connector plates and their vague behavior after seismic load cycles led to development of a new CBF called buckling restrained braced frame (BRBF). In these braces, the steel core which is enclosed within steel profile filled by special concrete encloses the core completely and prevents buckling and increased critical load until compressive axial capacity is only restrained by steel yield tension. This allows the steel core resist against axial forces using entire resistance of the steel as long as casing resists against tensile buckling. As a result, braces act as structural fuse and lead to plastic behaviors, beams, and columns remain elastic in the seismic process. This study builds, tests and numerically models a buckling restrained brace to evaluate sample adequacy to meet requirements of the AISC 341-16 code. | ||
| کلیدواژه‌ها | ||
| buckling restrained brace؛ buckling restrained braced frame؛ ductility | ||
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آمار تعداد مشاهده مقاله: 99 |
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