SEISMIC BEHAVIOR OF CONCRETE SHEAR WALL – FRAMES - STRUCTURAL SYSTEMS SUBJECTED TO EARTHQUAKE LOADS | ||||
| JES. Journal of Engineering Sciences | ||||
| Article 7, Volume 39, No 4, July and August 2011, Page 795-809 PDF (621.79 K) | ||||
| Document Type: Research Paper | ||||
| DOI: 10.21608/jesaun.2011.127709 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Fadwa Issa1; Mohamad Nazih Alyagchi Eilouch1; Abbas Tasnimi2 | ||||
| 1Department of Structural Engineering Faculty of Civil Engineering, Damascus University | ||||
| 2Department of Structural Engineering International Institute of Earthquake Engineering and Seismology (IIEES), Iran | ||||
| Abstract | ||||
| In most designing cases, design engineers assign shear walls the total seismic loads while the frames (columns and beams) take the gravity loads. This procedure imposes additional seismic loads on the buildings; moreover the Syrian Code requires the application of the requirements related to seismic resistance on the frame elements (columns, beams and joints). This design procedure raises two basic issues. The first is the complete elimination of the frame effect on shear walls behavior regarding the internal forces and deformations. The second is the effect of the shear walls on the moment resisting frames behavior. In this study, the mutual effect of each system on the other is called interaction. These systems are being studied by formulating several mathematical models covering buildings with shear walls and frames that have different heights and walls stiffness, expanding over a range of high and low stiffness values relative to the total stiffness of the building. Linear static and dynamic analyses have been applied on these models to show the possible contribution of frames in the performance of the building in terms of internal forces and deformations. This study also focuses on the nonlinear behavior of shear wall-frame structural system by using nonlinear pushover analysis. At the end of this study, the most important results and recommendations are summarized, especially the necessity of considering the interaction between frames system and shear walls system. Increasing structural system factor is recommended when seismic loads are calculated. This leads to a reduction in the seismic loads on buildings. | ||||
| Keywords | ||||
| shear wall-frame systems; nonlinear pushover analysis | ||||
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