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Title	STEEL-CONCRETE COMPOSITE COLUMNS
Accession No	00743571
Authors	Furlong, R W
Journal Title	Transportation Research Record No. 1594
Corp. Authors / Publisher	Transportation Research Board
Publication Date	19970000
Description	p. 57-63; Figures(4); References(5); Tables(2)
Languages	English
Abstract	Structural steel shapes and tubes can be used with concrete to produce structural components. The performance of such composite systems is better than the sum of responses of the parts taken separately. In a concrete-filled steel tube caisson, for example, the steel casing resists flexural tension efficiently while confining the concrete core as the core resists axial compression, whereas it also stabilizes the steel casing. Concrete encasement of structural steel shapes can provide lateral stability to the steel shape, restraining local buckling as well as reducing the slenderness ratio below that of the steel shape alone. Concrete encasement serves as insulation for fire and shock loading. Characteristics of the structural behavior of composite columns are described as the basis for design recommendations. Strength design principles from Load and Resistance Factor Design of the American Institute of Steel and Construction and the American Concrete Institute are used in design. Shear transfer for the effective interaction of concrete and steel is considered, and requirements for transverse bar reinforcement of shear mechanisms are discussed. Design examples of strength estimates for two types of composite columns are included.
Supplemental Information	This paper appears in Transportation Research Record No. 1594, Part 2: Structures.
TRT Terms	Columns ; Composite structures ; Concrete ; Design ; Shear stress ; Strength of materials ; Structural analysis ; Structural mechanics ; Structural steel ; Transverse reinforcement
Other Terms	Composite columns; Shear transfer; Strength analysis; Structural behavior
Subject Areas	H25 STRUCTURES DESIGN AND PERFORMANCE; I24 Design of Bridges and Retaining Walls
ISBN	0309062020
Availability	Transportation Research Board Business Office Find a library where document is available Order Document: http://worldcat.org/isbn/0309062020
URLs	Document: http://dx.doi.org/10.3141/1594-06
TRIS Files	HRIS
Database	TRIS Online