ROLE OF SHEAR WALLS IN HIGH RISE BUILDINGS | ||||
| JES. Journal of Engineering Sciences | ||||
| Article 5, Volume 38, No 2, March 2010, Page 403-420 PDF (989.75 K) | ||||
| Document Type: Research Paper | ||||
| DOI: 10.21608/jesaun.2010.124373 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Hamdy H. A. Abd-el-Rahim1; Ahmed Abd El-Raheem Farghaly2 | ||||
| 1Associate Professor, Civil engineering department, Assiut university | ||||
| 2Lecturer, Faculty of Industrial Education, Sohag University | ||||
| Abstract | ||||
| The slender high rise buildings are wide spreading in Egypt and no probabilistic assessment procedures have been proposed or developed for seismic risk evaluation of these special buildings. So, the objective of this study is to numerically investigate the role of both edge shear walls and raft foundation projection out of the boundary of building in the seismic resistant of such structures. Several three-dimension models were developed including the subgrade modulus as a variable and the multi-purpose commercial finite element program SAP2000 [6] was utilized for all runs in the current study. The loading is considered using acceleration time history with a peak ground acceleration of 0.25g provided in the new Egyptian code (ECOL2008)[2] for seismic loads on structures and building works. The results conclude that the slender high rise buildings provided with edge shear walls and raft projection insure significant improvement in the induced base shear and internal forces in the raft foundation. On the contrary, the study shows the large values of base shear in the corner columns under seismic loads in a projected raft foundation building. The results give a wide vision that can be used as an aid to the engineer for dealing with such slender high buildings. | ||||
| Keywords | ||||
| shear wall - slender high rise building; raft foundation projection; base shear; SAP2000- Time history analysis | ||||
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