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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 7/8
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON THE DESIGN AND CONSTRUCTION OF NON-CONVENTIONAL STRUCTURES
Edited by: B.H.V. Topping
Paper III.7

Composite Columns of Concentric Steel Tubes

H. Shakir-Khalil and S. Illouli

Civil Engineering Department, University of Manchester, England

Full Bibliographic Reference for this paper
H. Shakir-Khalil, S. Illouli, "Composite Columns of Concentric Steel Tubes", in B.H.V. Topping, (Editor), "Proceedings of the International Conference on the Design and Construction of Non-Conventional Structures", Civil-Comp Press, Edinburgh, UK, pp 73-82, 1987. doi:10.4203/ccp.7.3.7
Abstract
A new type of composite cylinder has been under extensive investigations at the University of Manchester, England. This paper deals with the study of such cylinders when used as composite columns subjected to eccentric end compressive forces. The cross-section of these cylinders consists of outer and inner thin steel tubes, and the space between them is then filled with grout. The experimental investigations reported here include tests on short steel and short composite cylinders, and also tests on full scale columns over 3.5m long. The tested columns were subjected to end eccentricities which varied from zero to half the diameter of the outer steel shell. The work reported here forms part of an on going research programme which deals with this type of sandwich construction, and studies its use for deep-sea and similar structures.

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