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DETECTING THE LIMESTONE DISSOLVED CAVERN BY USING THE TRANSIENT ELECTROMAGNETIC METHOD
Author(s): 
Pages: 50-53
Year: Issue:  2
Journal: JOURNAL OF CHANG'AN UNIVERSITY(EARTH SCIENCE EDITION)

Keyword:  瞬变电磁法探测灰岩溶洞;
Abstract: 为了查明高速公路设计段地下灰岩溶洞的发育情况,运用大回线源瞬变电磁法在指定场地进行了探测.采用线性数字滤波技术进行正演模拟,采用改进的阻尼最小二乘可行方向法对资料进行反演计算,经过资料处理,查出地下灰岩溶洞的赋存位置,所解释的结果得到钻孔验证,效果很好 .瞬变电磁探测技术的成功应用,很好地解决了高速公路设计中遇到的疑难地质问题.
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