کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6735253 | 1429053 | 2018 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fire design of post-installed bonded rebars: Full-scale validation test on a 2.94â¯Ãâ¯2â¯Ãâ¯0.15â¯m3 concrete slab subjected to ISO 834-1 fire
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
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چکیده انگلیسی
Thanks to the improvement in mechanical and adhesion properties of polymer resins, Post-Installed Rebars (PIRs) succeeded progressively in replacing cast-in place rebars in some applications by offering equivalent or even higher mechanical properties at ambient temperature. However, the mechanical behavior of PIRs is essentially governed by the mechanical behavior of polymer resins, which is highly sensitive to temperature. Consequently, fire safety presents a potential hazard that should be taken into account when designing. This paper presents an experimental full-scale fire test carried out on the Vulcain furnace of CSTB Champs-sur-Marne on its 7â¯mâ¯Ãâ¯3â¯m horizontal configuration, in order to test a new fire design method proposed for PIRs. The 2.94â¯Ãâ¯2â¯Ãâ¯0.15â¯m3 tested slab was mechanically loaded by 325â¯kg and heated following the ISO 834-1 time-temperature curve until its collapse. The experimental time of collapse is compared to that predicted by the new design method.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Structures - Volume 174, 15 October 2018, Pages 81-94
Journal: Engineering Structures - Volume 174, 15 October 2018, Pages 81-94
نویسندگان
Mohamed Amine Lahouar, Nicolas Pinoteau, Jean-François Caron, Gilles Foret, Philippe Rivillon,