EFFECT ANALYSIS OF RESERVOIR-CANYON TOPOGRAPHY ON GROUND MOTION
Feng Guangyu1,2) ;Qin Xiaojun1,2) ; and Wang Qiuliang1,2)
1)Key Laboratory of Earthquake Geodesy,Institute of Seismology, CEA, Wuhan 430071;2)Wuhan Base of Institute of Crustal Dynamics,CEA,Wuhan 430071
Abstract The effects of reservoircanyon topography on the ground motion are analyzed with finite element method and following are obtained.1)The change of the height,the angle and the ratio of height to width of topographic features affect the peak ground acceleration and the spectrum of analytical model obviously. 2)The water level rising of water side will reduce the peak value of ground motion of the mountain part, and the high frequency components of input seismic waves will be inhibited more obviously. 3)The seismic response is sensitive to the frequency of input seismic waves.
Key words ：
finite element
irregular topography
topography effect
seismic wave
high frequency
Received: 01 January 1900
Corresponding Authors:
Feng Guangyu
Cite this article:
Feng Guangyu,Qin Xiaojun,and Wang Qiuliang. EFFECT ANALYSIS OF RESERVOIR-CANYON TOPOGRAPHY ON GROUND MOTION[J]. , 2012, 32(6): 59-64.
Feng Guangyu,Qin Xiaojun,and Wang Qiuliang. EFFECT ANALYSIS OF RESERVOIR-CANYON TOPOGRAPHY ON GROUND MOTION[J]. jgg, 2012, 32(6): 59-64.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2012/V32/I6/59
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