Shape Optimization of Joints of Steel-Framed Diaphragm Wall

by Hiroyuki Sugimoto, Muroran Inst of Technology, Japan,
Kazuto Yamamura, Muroran Inst of Technology, Japan,
Ryoichi Kanno, Muroran Inst of Technology, Japan,
Masayuki Okimoto, Muroran Inst of Technology, Japan,

Document Type: Proceeding Paper

Part of: Computer Utilization in Structural Engineering


Shape optimization system of the joints of the steel-framed diaphragm wall (abbreviated as steel diaphragm wall) is discussed. The optimization problem is formulated as the minimum cost design to decide the shape of the joint under the stress constraints. The analysis model solved by the finite element method consists of male joint, female joint and grout replaced by plain strain elements and springs. Prior to the optimization, the relationships between the stress constraints and the design variables are studied to choose the better optimization technique.

Subject Headings: Steel structures | Underground structures | Joints | Steel frames | Diaphragms (structural) | Diaphragm walls | Structural analysis | Structural design

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