Abstract
To resolve the undesirable effects of reinforced concrete non-structural walls to the earthquake behaviour of structural members, weak points (called "Structural Slits") are intentionally provided at the connection between structural members and non-structural walls. This paper presents an estimation method for the stress developed in the "Structural Slits" which are applied to the non-structural walls of reinforced concrete high-rise residential buildings.
Highlights
In Japan, many high-rise buildings have been constructed for redevelopment in cities to use sites effectively and to deal effectively with the problems of land cost skyrocketing
As various shapes of reinforced concrete non-structural walls are constructed with structural members using the same concrete materials, the clear resistingmechanism often is not realized by the effects of such non-structural walls
Such non-structural walls generate secondary stress into the frames subjecting them to lateral deformation
Summary
In Japan, many high-rise buildings have been constructed for redevelopment in cities to use sites effectively and to deal effectively with the problems of land cost skyrocketing. In seismic design for high-rise buildings, two basic principles are required: 1) to clear the resisting mechanism to earthquake forces and (2) to provide sufficient strength and ductility to the resisting mechanism planned To respond to such principles, a beam-yield type's frame structure which has strong columns and ductile beams is planned. Each small exterior wall shown, which represents part of a typical elevation of high-rise residential buildings developing in Japan, is one of the non-structural walls. Such non-structural walls generate secondary stress into the frames subjecting them to lateral deformation.
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