کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6774187 513369 2015 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Reliability based fatigue assessment of existing motorway bridge
ترجمه فارسی عنوان
ارزیابی خستگی پایدار بر روی پل بزرگراه موجود
کلمات کلیدی
زندگی خستگی قابلیت اطمینان، پل جاده ای
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی
This paper provides an original framework for the fatigue reliability analysis of a road bridge; the framework is applied to the Venoge bridge, a composite steel-concrete bridge within the A1 Swiss highway. Two critical details are selected by inspection: a longitudinal weld attachment and a cover plate welded attachment. Weigh in Motion (WIM) data from Denges station (1 km far from the bridge) and a refined three-dimensional Finite Element (FE) model of the bridge are used to get realistic time-stress response at two critical locations. The fatigue failure probability of the bridge at two selected locations under the long-term effect of highway traffic is calculated for a 100 year-design life. The original contribution consists in computing the failure probability as joint probability of two events: (1) the exceeding of the constant amplitude fatigue limit (CAFL); and (2) the critical fatigue damage accumulation. The results show that fatigue is not a concern both for the longitudinal attachment detail and for the cover plate detail.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Structural Safety - Volume 57, November 2015, Pages 35-42
نویسندگان
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