Comparison Of Buckling Load For H-shaped
Compression Members With Different Eccentric
Bracing Methods
Author(s)
Y. Kimura & Y. Yoshino
Abstract
In Japanese design code, the bracing for the compression members is supported
to be set up on the centroid of its section. On the other hand, the braces may be
not jointed at the centroid for the compression members in the real structures,
and be eccentrically jointed on the section of members. If non-structural
members are used as bracings, it is more effective to design the space frame.
These members are supported to be effective to restrain the buckling deformation
for the compression members, and then most of non-structural members are
plurally or continuously jointed. Our previous papers have evaluated the effect of
the eccentric braces to restrain the buckling deformation for H-shaped
compression members with an eccentric brace at the center of the member, and
with continuously eccentric braces, respectively. But the effect for the
continuously eccentric braces may be different from that for an eccentric brace at
the center of the compression member. If it makes the effect of each eccentric
bracing equivalent, it is more practical to design the compression members with
eccentric braces in the space structures.
This paper compares the elasto-plastic buckling behavior for H-shaped
compression members with eccentric braces at the center of members to that with
continuously eccentric braces, and suggests the unified estimation method for the
effect of the bucking restraint for each eccentric bracing.
Keywords
Related Book
Other papers in this volume
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