How To Strengthen A Hollow Pipe
Strengthening of slender hollow steel columns by filling with concrete
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Publication: Canadian Journal of Ceremonious Engineering science
June 1977
Abstract
The long hollow steel columns that support the roof of the oil storage tanks at Lennox generating station required strengthening to resist bending moments in addition to axial load. The results of a theoretical analysis indicated that pumping these columns full of physical would provide the necessary increased capacity. However, present standards ignore the stiffening event of physical for columns where the slenderness ratio is high. Also, in that location are no test data bachelor to confirm the theoretical analysis. Therefore, tests were conducted on two 47 ft (14 thousand) long, xiii in. (33 cm) diameter pipe columns, one empty and the other filled with concrete. The results of these tests confirmed that the concrete significantly increased the load and moment capacity of the columns.
Résumé
Pour les rendre capables de résister à la fois à des moments de flexion et à des charges axiales, on a dû renforcer les poteaux longs et en profil creux qui portent le toit des réservoirs d'huile de la centrale de Lennox. Une étude théorique a montré que le bétonnage intérieur complet de ces poteaux creux fournirait le complément de résistance nécessaire. Cependant, les présents règlements ignorent le renforcement ainsi apporté dans le cas des poteaux à élancement élevé. Bien plus, aucun résultat expérimental ne permettait de confirmer les résultats des calculs. On a donc procédé à des essais sur deux poteaux en tube d'acier circulaire de fourteen m (47 pi) de longueur et 33 cm (13 po) de diamètre; l'un fut laissé vide, le second fut rempli de béton. Ces épreuves ont démontré que le béton de remplissage a augmenté la résistance axiale et flexionnelle des poteaux de façon significative. [Traduit par la revue]
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Published In
Canadian Journal of Civil Engineering
Book 4 • Number 2 • June 1977
History
Published online: 5 February 2011
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Ram Southward. Ghosh. Strengthening of slender hollow steel columns past filling with concrete. Canadian Journal of Civil Engineering. 4(2): 127-133. https://doi.org/ten.1139/l77-017
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Cited past
1. Confinement of six unlike concretes in CFST columns having different shapes and slenderness
2. Strength and ductility functioning of physical-filled steel tubular columns afterward long-term service loading
3. Seismic Behavior of Posttensioned Cocky-Centering Precast Concrete Dual-Crush Steel Columns
4. Enhancing Filled-tube Backdrop by Using Fiber Polymers in Filling Matrix
5. Experimental behaviour of thin-walled hollow structural steel (HSS) columns filled with self-consolidating concrete (SCC)
6. Effects of Sustained Load on Physical-Filled Hollow Structural Steel Columns
7. Influence of concrete compaction on the forcefulness of concrete-filled steel RHS columns
8. Tests on stub columns of physical-filled RHS sections
nine. State of the fine art report on steel–concrete composite columns
10. Tests on Physical Filled Steel Tubular Columns with High Slenderness Ratio
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