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Athanasios G. Tsourekas,Asimina M. Athanatopoulou 대한토목학회 2013 KSCE JOURNAL OF CIVIL ENGINEERING Vol.17 No.7
The influence of the orientation of ground motion horizontal components on structural response within the context of Response History Analysis is investigated. For this purpose the maximum response to six R/C single storey structural models with different natural periods and mass eccentricity for many angles of seismic incidence due to seven ground motions is computed. Furthermore the maximum response values over all seismic incident angles produced by analytical formulas are compared to the ones produced by using the types of analysis suggested in the Nuclear Regulatory Guide. The results show that the types of analysis suggested in the Nuclear Regulatory Guide produce smaller response values than the maximum ones over all incident angles. Concerning the influence of the natural period on the difference between the response values produced by the types of analysis suggested in the Nuclear Regulatory Guide and the maximum ones over all seismic incident angles it is found that it is significant, however no specific trend is observed. Concerning the influence of the mass eccentricity it is found that it is not considerable.