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Earthquakes and Structures Volume 14, Number 3, March 2018 , pages 229-239 DOI: https://doi.org/10.12989/eas.2018.14.3.229 |
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Effect of lateral structural systems of adjacent buildings on pounding force |
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Ali Kheyroddin, Mahdi Kioumarsi, Benyamin Kioumarsi and Aria Faraei
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| Abstract | ||
| Under strong ground motion, pounding can be caused because of the different dynamic properties between two adjacent buildings. Using different structural systems in two adjacent structures makes a difference in the lateral stiffness and thus changes the pounding force between them. In this paper, the effect of the structural system of adjacent buildings on the amount of force applied by pounding effects has been investigated. Moment resisting frame systems (MRFs), lateral X-bracing system (LBS), shear wall system (SWS) and dual system (DS) have been investigated. Four different cases has been modelled using finite element (FE) method. The number of stories of the two adjacent buildings is different in each case: case 1 with 6 and 4 stories, case 2 with 9 and 6 stories, case 3 with 15 and 6 stories and case 4 with 10 and 10 stories. The structures have been modelled three-dimensionally. Non-linear time history analysis has been done on the structures using the finite element software SAP2000. In order to model pounding effects, the non-linear gap elements have been used. | ||
| Key Words | ||
| pounding effects; structural systems; time history analysis | ||
| Address | ||
| Ali Kheyroddin: Department of Structural Engineering, Semnan University, Semnan, Iran Mahdi Kioumarsi: Department of Civil Engineering and Energy Technology, OsloMet – Oslo Metropolitan University, PI 830, Pilestredet 35, Oslo, Norway Benyamin Kioumarsi: Department of Structural Engineering, Semnan University, Semnan, Iran Aria Faraei: Department of Structural Engineering, Semnan University, Semnan, Iran | ||