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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
IDRIZI Infill Wall System for Seismic Protection of Residential Buildings
Author(s)
Zekirija Idrizi1 and Isak Idrizi2
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DOI:10.17265/1934-7359/2017.09.005
Affiliation(s)
1. Faculty of Civil Engineering and Architecture, Hasan Prishtina University, Prishinë 10000, Kosova
2. Faculty of Civil Engineering and Architecture, Mother Teresa University, Shkup 1000, Macedonia
ABSTRACT
It is widely acknowledged
that masonry walls in RC (reinforced
concrete) frame structures, although often omitted in the
design process, contribute significantly on the seismic resistance of buildings.
Their contribution toward seismic response improvement is proportional to their
participation level on buildings. The more abundant they are on buildings,
their lateral strength contribution gets more significant, especially for “frame systems” of both RC and steel
structures. This paper presents
an “innovative” solution which aims to provide a seismic protection to masonry
walls and to improve the seismic performance of the entire building structure.
These goals are achieved through use of so called “IDRIZI” seismic devices. These “box-like” devices are placed
at characteristic locations between the masonry infill walls and the structural
frame system of the building. They act as special link elements between the top
of wall panels and the bottom of beams and/or slabs. The assemblage of a wall
panel, IDRIZI seismic devices and other boundary structural elements forms an integral
structural system that is shortly called “IDRIZI” wall system. In addition, as part
of this paper is shown selected experimental
investigations, which demonstrate that under “optimal design” of buildings
integrated with IDRIZI wall system, up to 80% of earthquake energy input in the
structure can be dissipated by the friction mechanism of the IDRIZI devices.
This feature provides remarkable improvements on the seismic performance of
residential buildings or any other type of building where masonry walls are
abundantly present.
KEYWORDS
Structural control, friction control, IDRIZI wall system, earthquake protection.
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