Analytical and experimental study on web-crippling behaviour of cold-formed C-section with and without FRP wrapping
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Cold-formed sections are widely employed in steel construction because they are lighter and more economical than traditional hot-rolled members. The simple accessibility and reasonable cost of high-quality, low-compound steels, weathering steels and Zinc-covered steels have prompted individuals with high/thickness (h/t) proportions, rendering them significantly more defenseless to nearby clasping mode and to another clasping mode called mutilation and worldwide. There are numerous investigations in progress with regard to local buckling, web-crippling, etc. This paper discusses the web-crippling behaviour of cold-formed sections, which were subjected to various loading conditions like end-one-flange loading, end-two-flange loading, and interior-two-flange loading with and without FRP wrapping. The experimental and analytical results are compared. Moreover, without increasing the thickness of the element, it is proposed to use the FRP on web, to reduce the web-crippling of cold-formed sections.
KeywordsCold-formed steel section Finite element analysis web crippling EOF ETF ITF
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