Self Variable Stiffness System For Optimal Seismic Response Of RC
Frame With Concrete Braces
Author(s)
I. Iskhakov
Abstract
Self variable stiffness system for optimal
seismic response of RC frame with
concrete braces
I. Iskhakov
Department of Civil Engineering,
College ofJudea and Samaria, Israel
Abstract
The purpose of this paper is the study of RC fully braced frame showing
that its concrete braces change the stiffness of the frame and provide its
optimal seismic response. The frame itself controls its behavior,
attenuating the seismic response through autonomous disengagement of
its concrete braces in tension. The advantage of the physical non-linearity
of the brace material (concrete) in compression is also taken into account.
Additionally the influence of the vertical static loading is studied. The
system has several levels of seismic control, which it selects for its optimal
response to a given earthquake. All the above factors significantly reduce
(over 50% as well be shown in paper) the seismic forces and dynamic
displacements, and create an optimal scheme of the structure. A total
Keywords
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