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    • Volume 12 No. 1, Januari 2012
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    • Volume 12 No. 1, Januari 2012
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    Dynamic Time History Analyses Of Reinforced Concrete Building Due To Primary And Aftershock Earthquqkes

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    Date
    2012-01
    Author
    Diredja, Nessa Valiantine
    Pranata, Yosafat Aji
    Simatupang, Ronald
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    Abstract
    One cause of the failure of structure building in areas that has a high risk of earthquakes are the horizontal (lateral) loads on the structure. Concrete structure can be damaged by a major earthquake and compounded by aftershock to the structure that the strength has reduced due to an inelastic state after major earthquake. The purpose of this research are to perform structural analysis of earthquake resistant reinforced building with static equivalent method and dynamic time history analysis and studying the behavior of the building as a result of primary earthquake and aftershocks by using time history analysis method. The discussions covers comparison of base shear forces, roof displacement, story drift, and performance of serviceability limit performance and ultimate limit performance. The results of the analysis showed that if the intensity of scale factor applied in accordance with SNI 1726-2002, the base shear force, roof displacements and story drift by dynamic time history analysis will be smaller than the static analysis, this happens because in the calculation of acceleration scaling factor used is the time history’s maximum value of earthquake zone 4 in Indonesia with the condition T = 1,5058, the curve of respons spectrum input will be smaller tha the static. With time history analysis also obtained conclusion that the building can withstand acceleration of Chi-chi earthquake 2,4 times the original scale, El Centro earthquake 6,4 times the original scale, Friuli earthquake 6,8 times the original scale and Sakaria earthquake 2,8 times the original scale. Time history analysis can be used to determine the base shear force of building, roof displacement and story drift if applied by particular earthquake, also can be determine the ability of actual building when there is a magnitude of primary earthquake and aftershocks with smaller or larger scale by modifying the scale factor.
    URI
    http://hdl.handle.net/11617/3101
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    • Volume 12 No. 1, Januari 2012

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