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视电阻率及其差分曲线在岩土分层中的应用 被引量：2

Apparent resistivity and its difference curve in soil-layer delamination
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摘要 　将视电阻率曲线与视电阻率一阶差分曲线应用于岩土工程施工中.对两种曲线比较后发现,两种曲线均为有效的视电阻率信息.视电阻率一阶差分曲线具有较视电阻率曲线更高的分辨率.两种方法结合使用能较好地对岩土进行分层.当视电阻率存在明显差异且岩层厚度较大时,可用视电阻率曲线对岩土进行分层;当视电阻率差异较小时,则用视电阻率一阶差分曲线对岩土进行分层. To effectively make use of resistivity information, apparent resistivity and its difference curve are used respectively in engineering and compared them. It is found that the resolution of difference curve is higher than that of apparent resistivety. Apparent resistivety uniting difference curve can plot soil\|layer well. Apparent resistivety is applied to plot soil\|layer when differences of apparent resistivety and soil\|layer thickness are bigger, but difference cure is applied when differences of apparent resistivety are smaller. 
作者 陈小芳
机构地区 广东省地震局
出处 《地球物理学进展》 CSCD 2004年第2期455-459,共5页 Progress in Geophysics
关键词 视电阻率 岩土分层 一阶差分曲线 分辨率 apparent resistivity,plotting soil\|layer, difference curve,resolution
分类号 P631 [天文地球—地质矿产勘探]
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地球物理学进展
2004年 第2期

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