Abstract:

The building structures are vulnerable to severe damages due to strong ground motion. Among the various structural damages, pounding damage is the most serious one. This is the most serious seismic hazard usually occur in highly populated areas during earthquake. Pounding is mainly observed when there is insufficient gap between the adjacent buildings. This scenario mainly is in urban areas where multi-storey buildings are closely occupied due to non-availability of sufficient land or may due to high land value. Hence, it is necessary to study of the effect of pounding on buildings. Here, the dynamic analysis of the effect of pounding on building is studied using the software SAP 2000. Two adjacent RC frame structures are considered for the analysis. Non-linear time history method of dynamic analysis has been used in this study. The effect of pounding on adjacent RC frame structures are studied. Later the effect of shear walls and damper on seismic pounding is studied. The parameters considered for the study are storey displacement, storey drift and shear. The minimum separation distance required is also determined.


Keywords - Pounding, Adjacent building, Mitigation, Seismic gap, SAP2000