Abstract
The glass fiber reinforced plastics (GFRP) composite material is a low carbon emission, low life cycle cost, and sustainable material. In this paper, the structural behavior of the lateral force resistant performance of GFRP composite material frames with steel joints was presented, and the energy dissipation and failure modes of the GFRP frames were discussed. A total of six GFRP frames, including single-span and double-span frames with and without diagonal bracing members, were tested by pushover tests to obtain the lateral load-displacement relationships of the GFRP frames. The force-displacement relationship and the energy dissipation of the GFRP frames were examined in the pushover test. In addition, the numerical analysis was performed to obtain the lateral load-displacement relationships of the GFRP frames under pushover tests. When the numerical analysis results and the experimental results were compared, the absolute average errors of the maximum loads were less than 4%, and the lateral load-displacement relationships were close to each other. The numerical analysis results can predict the experimental force-displacement relationships of the GFRP frames.
Highlights
Extreme weather has severely affected rainfall patterns and increased the incidents of flooding and other meteorological disasters, which inundated villages and cities and led to the destruction of properties
Fiber reinforced plastic (FRP) composite material has been widely used in the retrofit and repair of buildings and bridges due to its merits of anti-corrosion, light-weight, high strength-to-weight ratio, high elastic modulus, high durability, easy-to-assemble, and great design flexibility
From the research results by Li et al [1], the research results show that the total carbon dioxide emission of the glass fiber reinforced plastics (GFRP) in various stages is significantly lower than traditional reinforced concrete (RC) and steel pedestrian bridges, which makes GFRP material environmentally friendly
Summary
Extreme weather has severely affected rainfall patterns and increased the incidents of flooding and other meteorological disasters, which inundated villages and cities and led to the destruction of properties. When the LVDT1 measured a drift ratio of 2.0%, the lower-left corner of the tension diagonal bracing joint tore along the bolt openings. At this time, the force was about 51 kN with a displacement of 2.4 cm. The lower corner of the right colu(md)nCfrlaacnkginegwalaosngaltshoe bsloilgtshatlty impac(tee)dLbowy etrhceosrnteeerlfljaoningte. oTfhen LVD(f)TC1omluemansuflraendgeaodf rthifet lroawtieor of 8.0%, ththeenlotwheer fleofrtcceoluwmans stopped at ththee mmiadxdilme ucomlumdnisplacement of 9.6 rcigmh.t cForranmere FP2TC’s comprehensive damFaigguerFiemig1ua2gr.eeTs1h2a.erTedhasehmdoawgmneagpinehpoFhtigoosutorasena1dn3dl.olcoacatitoionnssooff FraammeeFFPP22
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