University of Khartoum

Seismic Forces in Buildings: A Comparative Study with Universal Seismic Codes

Seismic Forces in Buildings: A Comparative Study with Universal Seismic Codes

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Title: Seismic Forces in Buildings: A Comparative Study with Universal Seismic Codes
Author: Elnourani, Maha Gaafar Ahmed
Abstract: This research has focussed on the analysis of earthquake forces on buildings using static linear methods by some of the most important universal seismic codes as well as comparing between these codes. These codes are, the American codes and the European code, EUROCODE 8. The American code, UBC 1994, is the code used by the Sudanese structural engineers in seismic analysis and design; this code has been studied and discussed in details. Different illustrative models have been represented in this research: In the first model, the seismic forces have been computed on a multi-storey reinforced concrete building by the different codes adopted in this research and a comparison between the values have been made. In the second model, the horizontal distribution of the floor seismic load to the seismic resistant element, shear walls in our case, has been shown by a simplified method. In the third model, an interior seismic resistant reinforced concrete column have been designed by ACI 318M-05. The resulting data from seismic analysis computations by the different codes have been discussed in details. This research has been concluded by focussing on the shared main points adopted by all the seismic codes of our concern in the computation of seismic shear forces on structures as well as discussing some of the differences between these codes. This study has recommended an update for the seismic data in Sudan which has taken UBC 1994 as a reference code, so as to match the new requirements of UBC 1997 as agreed by the unified Arabic code 2005 for seismic resistant building and structures. This study has also suggested the application of a min 1% of total dead load of any type of structure at its base as a simple way to include the seismic force in the design
Description: 208 Pages
URI: http://khartoumspace.uofk.edu/handle/123456789/10351
Date: 2015-05-05


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