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Composite Column with Concrete‐Filled Circular Hollow Section Subject to Axial Compression and Verified using European Buckling Curves
This chapter demonstrates the design of a composite column subject to axial compression. The concrete‐filled column consists of a circular hollow section filled with concrete. In concrete‐filled hollow sections no longitudinal reinforcement is normally necessary. However, if the design for fire resistance is required, the longitudinal reinforcement can be used, clause 6.7.5.2 (1), EN 1994‐1‐1. Since the considered member is subjected only to end compression, clause 6.7.3.5(2) enables buckling curves to be used. It is important to note that imperfections are unavoidable and that they result in deviations from the behaviour of member subject to “perfectly centred load”. Imperfections may be divided into geometrical imperfections and structural imperfections. The influence of geometrical and structural imperfections can be allowed for by equivalent geometrical imperfections which are given in EN 1994‐1‐1, and depend on the buckling curve. The use of buckling curves is limited to axially loaded members.
Composite Column with Concrete‐Filled Circular Hollow Section Subject to Axial Compression and Verified using European Buckling Curves
This chapter demonstrates the design of a composite column subject to axial compression. The concrete‐filled column consists of a circular hollow section filled with concrete. In concrete‐filled hollow sections no longitudinal reinforcement is normally necessary. However, if the design for fire resistance is required, the longitudinal reinforcement can be used, clause 6.7.5.2 (1), EN 1994‐1‐1. Since the considered member is subjected only to end compression, clause 6.7.3.5(2) enables buckling curves to be used. It is important to note that imperfections are unavoidable and that they result in deviations from the behaviour of member subject to “perfectly centred load”. Imperfections may be divided into geometrical imperfections and structural imperfections. The influence of geometrical and structural imperfections can be allowed for by equivalent geometrical imperfections which are given in EN 1994‐1‐1, and depend on the buckling curve. The use of buckling curves is limited to axially loaded members.
Composite Column with Concrete‐Filled Circular Hollow Section Subject to Axial Compression and Verified using European Buckling Curves
Dujmović, Darko (author) / Androić, Boris (author) / Lukačević, Ivan (author)
2014-12-08
22 pages
Article/Chapter (Book)
Electronic Resource
English
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