NDLI: Seismic spatial effects on long-span bridge response in nonstationary inhomogeneous random fields

Content Provider	Springer Nature Link
Author	Jiahao, Lin Yahui, Zhang Yan, Zhao
Copyright Year	2005
Abstract	The long-span bridge response to nonstationary multiple seismic random excitations is investigated using the PEM (pseudo excitation method). This method transforms the nonstationary random response analysis into ordinary direct dynamic analysis, and therefore, the analysis can be solved conveniently using the Newmark, Wilson-θ schemes or the precise integration method. Numerical results of the seismic response for an actual long-span bridge using the proposed PEM are given and compared with the results based on the conventional stationary analysis. From the numerical comparisons, it was found that both the seismic spatial effect and the nonstationary effect are quite important, and that both stationary and nonstationary seismic analysis should pay special attention to the wave passage effect.
Starting Page	75
Ending Page	82
Page Count	8
File Format	PDF
ISSN	16713664
Journal	Earthquake Engineering and Engineering Vibration
Volume Number	4
Issue Number	1
e-ISSN	1993503X
Language	English
Publisher	Institute of Engineering Mechanics, China Earthquake Administration
Publisher Date	2005-01-01
Publisher Place	Harbin
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	earthquake nonstationary random vibration multiple excitation long-span bridge Geotechnical Engineering Civil Engineering Vibration, Dynamical Systems, Control
Content Type	Text
Resource Type	Article
Subject	Building and Construction Geophysics Mechanical Engineering Geotechnical Engineering and Engineering Geology Civil and Structural Engineering

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