浅层地震和高密度电法在汉旺地区勘查中的应用
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摘要
汉旺地区是"5.12"特大地震受灾情况非常严重的地区,勘查和研究当地的地下地质情况,摸清第四系覆盖层厚度,为当地可持续发展提供必要的基础资料。本文从地震反射波法和高密度电法的原理着手,将这两种常用的地球物理方法联合使用,利用两者各自的特点,相互印证,取长补短,优化了解释结果,提高了勘探的解释精度和可靠性。研究表明,将地震反射波法和高密度电法结合起来对于第四系覆盖物的勘探和地下分层探测是有效可行的。本文还指出了两种方法在实际应用时应注意的一些问题。
Hanwang is one of the most disastrous areas in"5.12"earthquake.In order to explore and study the local underground geological situation,to get to know the overcast thickness of the Quaternary and to provide the basic data for the local sustainable development,this paper starts with the seismic reflective wave method and the principle of high density resistivity method.Then it combines the two common geophysical methods and uses their characteristics to verify each other and to learn from each other.In this way,they have optimized the interpretation data and increased the accuracy and reliability in the exploration.The study shows that it is feasible to combine the seismic reflective wave method and the underground layering.In the end,this paper gives some suggestions when using the two methods.
Hanwang is one of the most disastrous areas in"5.12"earthquake.In order to explore and study the local underground geological situation,to get to know the overcast thickness of the Quaternary and to provide the basic data for the local sustainable development,this paper starts with the seismic reflective wave method and the principle of high density resistivity method.Then it combines the two common geophysical methods and uses their characteristics to verify each other and to learn from each other.In this way,they have optimized the interpretation data and increased the accuracy and reliability in the exploration.The study shows that it is feasible to combine the seismic reflective wave method and the underground layering.In the end,this paper gives some suggestions when using the two methods.
引文
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[3]马德堂,朱光明.弹性波波场P波和S波分解的数值模拟[J].石油地球物理勘探,2003,38(5):482～486.
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[8]赵光辉.高密度电法勘探技术及其应用[J].矿产与地质,2006,20(2):166～168.
[9]周竹生,蒋婵君,郭有刚.浅层地震反射波法在隧道工程中的应用[J].勘查科学技术,2008(6):62～64.
[2]王东,张海澜,王秀明.部分饱和孔隙岩石中声波传播数值研究[J].地球物理学报,2006,49(2):524～532.
[3]马德堂,朱光明.弹性波波场P波和S波分解的数值模拟[J].石油地球物理勘探,2003,38(5):482～486.
[4]陆基孟.地震勘探原理[M].东营:中国石油大学出版社,1993.
[5]雷宛,邓一谦,肖宏跃.工程与环境物探[M].北京:地质出版社,2007.
[6]程志平.电法勘探教程[M].北京:冶金工业出版社,2007.
[7]秦福刚,戴隆沛,李磊,等.高密度电阻率法的装置特点及其在水源勘探中的应用[J].工程地球物理学报,2007,5(6):670～674.
[8]赵光辉.高密度电法勘探技术及其应用[J].矿产与地质,2006,20(2):166～168.
[9]周竹生,蒋婵君,郭有刚.浅层地震反射波法在隧道工程中的应用[J].勘查科学技术,2008(6):62～64.
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