کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6707645 | 502935 | 2014 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Static, dynamic and creep behaviour of a full-scale GFRP-SFRSCC hybrid footbridge
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
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چکیده انگلیسی
A three-year research project (Pontalumis) was carried out for the development of an innovative simply supported hybrid footbridge, with 11Â m of length and 2Â m of width. The footbridge is composed of two pultruded I-shaped glass fibre reinforced polymer (GFRP) girders (400Â ÃÂ 200Â (Ã15)Â mm2) bonded and bolted to a 37.5Â mm thick deck in steel fibre reinforced self-compacting concrete (SFRSCC). The present paper describes the material/structural concept of this footbridge, its design and construction process, and summarises the response of the prototype when submitted to static short and long-term load tests, and dynamic load tests. The prototype was simple and fast to execute, presenting a reduced dead-weight of only about 3Â tonf. The static and dynamic behaviour of the prototype as well as its long-term deflection fulfil standards' requirements for footbridge structures and are in good agreement with conventional analytical and numerical design tools.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composite Structures - Volume 118, December 2014, Pages 496-509
Journal: Composite Structures - Volume 118, December 2014, Pages 496-509
نویسندگان
José A. Gonilha, Joaquim Barros, João R. Correia, José Sena-Cruz, Fernando A. Branco, LuÃs F. Ramos, Delfina Gonçalves, Mário R. Alvim, Tomé Santos,