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Title: Seismic assessment of three-storey residential buildings in Nepal
Author: Chaulagain, H.
Rodrigues, H.
Spacone, E.
Varum, H.
Keywords: RC buildings
Seismic codes
Seismic assessment
Storey drift
Issue Date: 2013
Abstract: This paper evaluates the seismic performance of existing three-storey residential reinforced concrete (RC) buildings in Nepal. For this, it was designed a representative RC building structure (WDS) and the results were compared with similar buildings detailed with: i) Current Construction Practices (CCP); ii) Nepal Building Code (NBC) and iii) Modified Nepal Building Code (NBC+) recommendations. The results were analyzed and compared in terms of capacity curve, inter-storey drift and detailing of structures. The overall comparison indicates that CCP structure has a low amount of reinforcement both in beam and column sections when compared with the WDS structure. For the structure designed according with the NBC and NBC+ recommendations, improvements are clear relatively to the CCP structure, but it may be not sufficient for the demands in regions with high seismic hazard. Non-linear analysis shows that CCP and NBC structures experiences lower base shear capacity with higher inter-storey drift demand than other structures. Finally, the influence of seismic zone factor on reinforcement demand of the structure is analysed by designing the same WDS structure for a low, medium and high seismic hazard zone.
Peer review: yes
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Appears in Collections:DECivil - Comunicações

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