Abstract
This paper presents a comparative study for seismic analysis of a certain class of existing school buildings which are considered as one of the important and wide spread buildings in Egypt. The study focuses on a comparison between all versions of the Egyptian Code of Practice for loading (ECP-201), versions published in 1993, 2003, and the draft of final version October, 2008], and the Regulations of the Egyptian Society of Earthquake Engineering (ESEE, 1988). Base shear and base moment values are calculated using all of the above mentioned seismic provisions. The controller straining actions of these provisions are then compared with those obtained using response spectrum and time history analyses using real ground excitation of pervious earthquakes (Al-Aqba, 1995, Northridge, 1994, and El-Centro, 1940). All these earthquakes are scaled to be matched with the maximum ground acceleration for the study zone. It has been found that high variation between the base shear and base moment obtained using the ECP versions specified different analysis methods and in comparison with the ESEE and Earthquake analysis. This high variation make the new ECP-201 (October, 2008) will be need to recontemplate.
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