Strain-Based design procedures for spiral-welded steel tubes in combined walls
Data
2016Language
en
Soggetto
Abstract
Spiral-welded steel tubes with diameter to wall thickness ratios between 60 and 140 are often employed in combined wall systems with local buckling as governing failure mode. The current design rules in Eurocode 3 (EN 1993-5 and EN 1993-1-6) are not capable to obtain a good estimate of the real strength and deformation capacity. In a European RFCS project called Combitube, the structural behaviour of spiral-welded steel tubes has been inves-Tigated. An analytical model has been developed that gives more economic designs with a bet-Ter balanced safety level. Copyright ©: SDSS'2016.
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