Analysis of castellated beams according to Eurocode 3

Abstract

Razmatrani su saćasti nosači kao alternativa punostijenim nosačima na velikim rasponima. Opisana su novija istraživanja i mogući načini otkazivanja takvih konstrukcijskih elemenata. U radu je prikazan proračun takvih nosača prema normi Eurokod 3, a dobiveni rezultati uspoređuju se s normom DIN koja se rabila u nas. Na temelju provedenih parametarskih analiza upozoreno je na područje ekonomične primjene saćastih nosača s obzirom na njihove relativne vitkosti i veličine otvora.The use of castellated beams instead of solid web beams for large spans is considered. Some recent studies are presented, and conditions under which such structural elements can prove defective are proposed. The analysis of such beams according to Eurocode 3 is presented in the paper, and the results obtained are compared with the DIN standard, which is used in our country. Taking note of appropriate parametric analyses, the authors point to the area in which castellated beams can be economical, because of their relative slenderness and span sizes

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