Abstract
This paper aims to generate a set of artificial accelerations by using PG02 program, based on Yamamoto’s regression equations and response spectrum of Vietnamese National Standard TCVN 9386-2012 condition. Taking the obtained ground motion as input data to calculate the tunnel structure of the project Metro line No.3 (Nhon - Hanoi Railway Station) by program Plaxis2D. The connections among the tunnel segments are replaced by semi-rigid joint under Jassen's assumption. The results show that the peak ground acceleration value can be considered as one of the important factors affecting on the internal force of tunnel besides a number of other acceleration factors (peak ground velocity, root mean square acceleration, intesity of Arias, time duration of strong motion).
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