Design of Framed Steel Structures with Infill Reinforced Concrete Walls

by Minoru Makino, Kyushu Univ, Fukuoka, Japan,

Document Type: Proceeding Paper

Part of: Composite and Mixed Construction


It is a well-known fact that an infill shear wall in a frame acts as a compressive diagonal strut, giving strength and inflexibility to the frame. Recently the Architectural Institute of Japan proposed a tentative design guide for an earthquake resistant design of composite structures of steel frames and infill reinforced concrete walls. The basic concepts are: a shear wall is replaced by a diagonal compressive brace which is stressed on an effective area. Stud connectors provided between the frame and the wall are employed not only to distribute the force on the brace to the wall, but also to prevent the separation of the wall from the frame during an earthquake. Other requirements for details of the structures are considered, and results obtained from experimental investigations, of approximately one-third scale specimens, are summarized to illustrate the points.

Subject Headings: Steel frames | Steel structures | Structure reinforcement | Reinforced concrete | Concrete frames | Concrete structures | Walls | Shear strength

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