Development of a New Structural Member--Concrete Filled Steel Plate

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Title: Development of a New Structural Member--Concrete Filled Steel Plate

Author(s): T. Takeda, T. Yamaguchi, and T. Nakayama

Publication: Special Publication

Volume: 162

Issue:

Appears on pages(s): 139-160

Keywords: composite construction (concrete and steel); concretes; ductility; plates (structural members); rigidity; shear properties; steels; strength; trusses; Design

Date: 8/1/1996

Abstract:
An experimental program was carried out to investigate the behavior of concrete filled steel plate walls. Seven wall-panel specimens were tested under repetitive in-plane pure shear loading. Each specimen was made by connecting a pair of surface steel plates with partitioning webs and tie bars, and filling the boxes so-formed with concrete. The parameters investigated were the thickness of the surface steel plate, the number of partitioning webs and the presence or absence of headed stud bolts. Results describing a restoration force characteristic of a large loop area are presented. Rigidity after the onset of cracking approximates the cumulative value of truss rigidity (rigidity of resistance mechanism consisting of longitudinal and transverse tension chord members of steel plates and compression diagonals of concrete) and in-plane shearing rigidity of surface steel plates. The skeleton curve for the shear stress vs. shear strain relationship could be theoretically idealized into a quadri-linear curve with three control points.