Experimental study of cold-formed steel compression member partially stiffened with length variations

Pratama, Edwin Hansel; Nindyawati, Nindyawati; Revantoro, N. Bambang

doi:10.1063/5.0072774

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2024

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“…Experimental results 7 show a significant relationship between buckling resistance and the presence of additional cross-section strengthening of the compressed closely-spaced bars. Another study 8 shows experimental analysis of cold-formed C-section steel compression member partially stiffened along the element. Authors present double back-to-back channel cross-section strengthen with extra chord in contact variating its length.…”

Section: Introductionmentioning

confidence: 99%

Normal stress distribution in built-up cold-formed column in relation to interconnecting bolt spacing

Deniziak,

Urbańska-Galewska,

Gordziej-Zagórowska

2024

Sci Rep

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In order to increase a stiffness of cold-formed steel (CFS) elements it is practised to built-up the cross-section. In the analysed case, a main element is strengthened by adding extra chord in contact partially along the column. This additional chord acts as a longitudinal stiffener connected with the main section by series of bolts. Authors check whether rules applied over the years, for hot-rolled elements, can be indiscriminately used in the analysed CFS element. The aim of this study is to experimentally and computationally recognize the normal stress distribution in axially compressed CFS built-up column chords and to evaluate the element load-bearing capacity.

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Section: Introductionmentioning

confidence: 99%