Evaluation of Seismic Performance of Existing RC Buildings in the Sudan by Using Pushover Analysis
2017
Recently the evaluation of seismic performance of existing buildings has received a great attention. Since The Sudan has
low to moderate seismicity most of existing buildings were designed only for gravity load. The objective of this paper is to
assess the seismic performance of existing RC buildings in The Sudan. Four typical buildings were investigated using
pushover analysis according to ATC-40. They were designed according to the Regulations for earthquake-resistant design
of buildings in Egypt (ESEE) and International Building Code (IBC2012). Results showed that the buildings designed
considering by ESEE and IBC2012 loads were found adequate and satisfies the Immediate Occupancy (IO) acceptance
criteria according to ATC-40. The comparison of the pushover curve shows that the stiffness of frames is larger when using
ESEE Regulations compared to the IBC2012 design. This means that ESEE design procedure provides a greater capability
to resist seismic load than the IBC2012 design.
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