کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8947138 1645548 2018 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Seismic performance of a self-centering steel moment frame building: From component-level modeling to economic loss assessment
ترجمه فارسی عنوان
عملکرد لرزه ای یک قاب ساختمانی لحظه ای خود مرکزی: از مدل سازی جزء تا ارزیابی تلفات اقتصادی
کلمات کلیدی
فریم لحیم فولاد خودمحور اتصال پس از تنش تجزیه و تحلیل غیر خطی استاتیک، تجزیه و تحلیل پویا افزایشی، از دست دادن لرزه اقتصادی، ارزیابی شکنندگی،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی
The seismic performance and economic seismic losses of a 6-story self-centering moment resisting frame (SC-MRF) building using post-tensioned (PT) connections with top-and-seat angles is evaluated. A phenomenological model that captures the lateral load response of PT connections is developed and verified using previous experiments. A 2D model of the 6-story SC-MRF is constructed in OpenSees using the newly developed phenomenological model. Using the same member sizes as the SC-MRF, a model is also created for a welded moment resisting frame (WMRF) with reduced beam section (RBS) connections. Nonlinear static and incremental dynamic analyses are performed on the SC-MRF and WMRF models. The lateral load carrying capacity of the SC-MRF is found to be 40% lower than that of the WMRF. The dynamic analysis results show that the WMRF has higher collapse resistance, whereas the SC-MRF undergoes smaller residual drifts. Finally, the earthquake-induced economic impact to the two buildings is assessed using the FEMA P58 methodology, where the expected annual loss for the SC-MRF is computed to be 21% higher than that for the WMRF building. More specifically, the SC-MRF building (with PT connections and top-and-seat angles) has a lower expected loss associated with excessive residual drifts but higher collapse losses.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Constructional Steel Research - Volume 150, November 2018, Pages 129-140
نویسندگان
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