کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
285487 509199 2010 17 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Advanced model for predicting the fire response of concrete filled tubular columns
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Advanced model for predicting the fire response of concrete filled tubular columns
چکیده انگلیسی

In this work, a nonlinear finite element three-dimensional model is presented and validated in order to study the behaviour of axially loaded concrete filled tubular (CFT) columns with circular cross-section exposed to fire. A realistic sequentially coupled nonlinear thermal-stress analysis is conducted for a series of columns available in the literature. The model is validated by comparing the simulation results with the real fire resistance tests. By means of this model, and extensive sensitivity analysis is performed over a wide range of aspects concerning the finite element modelling of the problem under study, including new key factors not studied previously. Based on this sensitivity analysis several modelling recommendations are given in this paper, which will be useful for future research work. The validated numerical model is furthermore employed to study and discuss the Eurocode 4 Part 1–2 simple calculation model, which is deeply analysed in this paper.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Constructional Steel Research - Volume 66, Issues 8–9, August–September 2010, Pages 1030–1046
نویسندگان
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