Detection of underground cavity by inverse calculation

被引：0
|
作者：
Suh, BS [1 ]
Sohn, KI [1 ]
Kwon, BD [1 ]
Jung, HK [1 ]
机构：
[1] Kangweon Natl Univ, Chunchon, South Korea
来源：
ENVIRONMENTAL AND SAFETY CONCERNS IN UNDERGROUND CONSTRUCTION, VOLS, 1 AND 2 | 1997年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Geotomography is widely used to interpret datas of underground structures. In this study seismic and electrical geotomography is tried to map underground cavity. In seismic geotomography, finite element method is used to calculate the first arrival time and LSQR(3)) inversion method is applied to calculate slowness matrix. In electrical inversion method, model experiment is conducted and experimental data are compared with that of theoretical inversion data And a new method for electric resistivity tomography(ERT) is developed for geophysical inverse problems by adapting the sensitivity analysis.
引用
收藏
页码：863 / 867
页数：5
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