کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
269260 504464 2008 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Numerical investigation of the plastic behaviour of short welded aluminium double-T beams
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
پیش نمایش صفحه اول مقاله
Numerical investigation of the plastic behaviour of short welded aluminium double-T beams
چکیده انگلیسی

The present work is a numerical approach to the mechanical behaviour of short aluminium beams, both extruded and welded at the web–flange junction. The studied beams were taken to be short so as to ensure that their design is dominated by shear. In order to investigate the effects of the weld and the consequent existence of a heat-affected zone (HAZ), both welded and extruded beams of identical geometric characteristics were studied. Three alloys, 6063-T6, 6005A-T6 and 7020-T6, were chosen because of their varying strength characteristics, as well as the different severity of mechanical degradation that each one undergoes in the HAZ. The numerical investigation is performed in the framework of small displacements, and the possibility of lateral buckling is excluded. All the studied cases qualify as Class-I cross sections for normal actions. The Ramberg–Osgood stress–strain relation is used to describe the hardening of the material. The results obtained by means of finite element models are compared to those of classical beam theory and to the resistance checks of Eurocode 9.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Structures - Volume 30, Issue 7, July 2008, Pages 2022–2031
نویسندگان
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