Optimization Of Shear Wall Allocation In 3D Frames By Branch-and-bound Method
Author(s)
T. Takada, Y. Kohama & A. Miyamura
Abstract
Optimization of shear wall allocation in 3D
frames by branch-and-bound method
T. Takada*, Y. Kohama* & A. Miyamura^
^Faculty of Engineering, Mie University, Japan
>, A/agqya Czfy
Abstract
It is required that distribution of shear resistant elements such as walls or
braces is appropriately accomplished in order to decrease torsional moment
about a vertical axis due to lateral forces such as seismic or wind loads,
which lead to local large displacements. An allocation design of shear walls
in a multi-storied 3D building system, which is reduced to a design problem
of appropriate selections of walls from a large number of discrete candidates,
is a combinatorial optimality problem. Such a structural design is subjected
to not only structural but also architectural and constructional constraints.
In addition, when the scale of the design problem becomes larger, an effec-
tive scenario of computer support is indispensable to obtain rational design
solutions.
Keywords
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