Performance Evaluation of an Existing Reinforced Concrete Building under Seismic Loads using SAP |
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BibTeX: |
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@article{IJIRSTV3I8029, |
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Abstract: |
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Earthquakes are very common in every part of the world. Geographical statics of India show that almost 60% of the land is vulnerable to earthquakes. Due to these earthquakes large destruction is caused to human life and the buildings. The buildings, which appears to be strong enough, may crumble like houses of cards during earthquake and deficiencies may be exposed. Experience gain from the recent earthquake of Indonesia, 2004 demonstrates that the most of buildings collapsed were found deficient to meet out the requirements of the present day codes. It has raised the questions about the adequacy of framed structures to resist strong motions, since many buildings suffered great damage or collapsed. Pushover analysis is a method to evaluate the performance of an existing building under earthquakes. In the proposed study a four-story residential existing reinforced concrete building in the city of Port Blair, Andaman and Nicobar Islands, subjected to seismic hazard, was analyzed. Plastic hinge is used to represent the failure mode in the beams and columns when the member yields. The pushover analysis was performed on the building using SAP2000 ver.14 software both in X and Y direction. The equivalent lateral force (ELF) procedure is used to compute design forces and distributed over the height of the structure. The main objective of the study reported in this paper is to check the performance level of the reinforced concrete structures during the seismic events. |
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Keywords: |
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Pushover analysis; Reinforced concrete structures; Seismic performance, Unsymmetrical structures, soft storey |
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