圆弧形凹陷饱和土场地对平面P波散射问题的解析解

被引:29
作者
李伟华
赵成刚
机构
[1] 北方交通大学土建学院
关键词
饱和多孔介质; 平面P波; 圆弧形凹陷地形;
D O I
暂无
中图分类号
P315.63 [地震观测结果的解释与处理];
学科分类号
摘要
以Biot饱和多孔介质动力学理论为基础 ,利用Fourier Bessel级数展开法 ,得到饱和多孔介质半空间中圆弧形凹陷地形对平面P波的散射问题的解析解 .数值计算给出地表位移幅值 ,分析了入射波波长、入射角、圆弧高宽比对地表位移幅值的影响 ,并与现存的在单相介质情况下得到的结论进行对比 .
引用
收藏
页码:539 / 546
页数:8
相关论文
共 8 条
[1]  
Surface motion of semi-elliptical alluvial valley for incident plane SHwaves. Wong H L,Trifunac M D. Bulletin of the Seismological Society of America . 1974
[2]  
Scattering of plane SH wave by a cylindrical alluvial valley of circular-arc cross-section. YUAN Xiaoming,LIAO Zhenpeng. Earthquake Engineering and Structural Dynamics . 1995
[3]  
Scattering of plane SH wave by a semi-cylindrical canyon. Trifunac M D. Earthquake Engineering and Structural Dynamics . 1973
[4]  
ScatteringanddiffractionofplanePwavesbycircular cylindricalcanyonswithvariabledepth to widthratio. CaoH,LeeVW. SoilDyn.EarthquakeEngng . 1990
[5]  
SurfacemotionofshallowcircularalluvialvalleysforincidentplaneSHwaves:analyticalsolution. TodorovskaM,LeeVW. SoilDyn.EarthquakeEngng . 1991
[6]  
The effect of boundaries wave propagation in a liquidfilled porous solid. Deresiewicz H. Bulletin of the Seismological Society of America . 1962
[7]  
Theory of propagation of elastic wave in fluid-saturated porous soil. Biot M A. The Journal of The Acoustical Society of America . 1956
[8]  
Diffraction of SV by circular canyons of various depth. Lee V W,Cao H. Journal of Engineering Mechanics ASCE . 1989