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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 40
Edited by: B.H.V. Topping
Paper III.5

Optimal Allocation of Shear Wall at 3D Frame by Genetic Algorithm Application

A. Miyamura*, Y. Kohama# and T. Takada#

*Nagoya City Women's College, Nagoya, Japan
#Department of Architecture, Mie University, Tsu, Japan

Full Bibliographic Reference for this paper
A. Miyamura, Y. Kohama, T. Takada, "Optimal Allocation of Shear Wall at 3D Frame by Genetic Algorithm Application", in B.H.V. Topping, (Editor), "Advances in Optimization for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 73-79, 1996. doi:10.4203/ccp.40.3.5
The present paper deals with the optimal allocation of shear wall elements in a 3D frame subject to a large torsional moment about a vertical axis: which is approached by the genetic algorithm (GA) and by the branch-and-bound method (BBM). As a typical combinatorial searching problem. the present mathematical model requires accomplishment both maximization of the torsional stiffness at each story as well as minimization of the total amount of shear wall weights. This problem becomes important from the structural engineering point of view, since the torsional behavior of a 3D multi-story without shear wall elements during strong earthquake frequently provides large damage resulting in collapse.

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