RESPONSE ANALYSIS STUDY OF A BASE-ISOLATED BUILDING BASED ON SEISMIC CODES WORLDWIDE

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RESPONSE ANALYSIS STUDY OF A BASE-ISOLATED BUILDING BASED ON SEISMIC CODES WORLDWIDE

Author: Demin Feng , Tian-Chyuan Chan , and Shuguang Wang , Hsi-Yun Chen and Yaw-Nan Chang | Size: 424 KB | Format: PDF | Quality: Unspecified | Publisher: 4th International Conference on Earthquake Engineering Taipei, Taiwan October 12-13, 2006 | Year: 2006 | pages: 09

The procedures to do response analysis of a seismically isolated building are summarized based on the building codes of Japan, China, the USA, Italy and Taiwan. While a dynamic response analysis method is recommended in all five building codes, a simplified design procedure based on equivalent linear analysis is also permitted under limited conditions. Subsequently, a typical 14-story reinforced concrete building, isolated with lead-rubber bearings is analyzed using each of the five building codes. The average response values are taken as design values to compare with the results by the equivalent linear analysis method. The deformation of the isolation level and the base shear force coefficient of the superstructure are compared. Finally, the response reduction factor defined in the Japanese code is applied to the other four building codes to improve the accuracy of equivalent linear analysis results.

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