综合物探技术在油气管道隧道勘察中的应用
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摘要
不同的物探方法对不同地质异常的灵敏度不同,电磁法对地质体的导电性反应灵敏,如含水性;地震勘探对断层及破碎带具有很高的分辨率。本文提出了采用音频大地电磁测深和浅层地震进行工程地质勘察的综合物探技术。从基本原理出发,通过野外数据采集、室内数据处理及成果资料解释等详细介绍了综合物探技术的使用方法。实例表明,综合物探测试结果能够满足隧道勘察的工程地质要求,在隧道的工程勘察中是一种快速经济并且有效的方法。
Different geophysical exploration methods have different sensitivity of the different geological anomaly.For example,electromagnetic method is more sensitive with the conductivity of the lithological composition,such as water content;the seismic exploration has high resolution with the fault and fracture zones.In this paper,it will carry out integrated geophysical methods which are a combination of AMT and shallow seismic exploration.Based on basic principle,the paper described the use of integrated geophysical methods through field data collection,data processing and results of indoor data interpretation,etc.The examples show that the result of the integrated geophysical exploration test can meet the requirements of engineering geology in the tunnel engineering investigation;it is a kind of rapid economic and effective method.
Different geophysical exploration methods have different sensitivity of the different geological anomaly.For example,electromagnetic method is more sensitive with the conductivity of the lithological composition,such as water content;the seismic exploration has high resolution with the fault and fracture zones.In this paper,it will carry out integrated geophysical methods which are a combination of AMT and shallow seismic exploration.Based on basic principle,the paper described the use of integrated geophysical methods through field data collection,data processing and results of indoor data interpretation,etc.The examples show that the result of the integrated geophysical exploration test can meet the requirements of engineering geology in the tunnel engineering investigation;it is a kind of rapid economic and effective method.
引文
[1]王振东.浅层地震勘探应用[M].北京:地质出版社,1988
[2]赖思静,杨建国,贾学明.综合物探技术及工程应用.公路交通技术[J].2005(5):49-53
[3]樊战军,于爱军,陈孝强,徐德利,陈瑞林.EH4连续电导率测量在森林覆盖区找矿中的应用效果.黄金科学技术[J].2007,15(1):48-53
[4]王友善,魏传根.电磁测深方法研究.地球物理学报[J].2006,49(1):256-263
[5]王礼纂.大地电磁测深中视电阻率一阶偏导数的求法.物探化探计算技术[J].1990,12(1):81-84
[6]熊昌盛,顾汉明,陈毅敏,曹哲明.提高浅层地震折射波法在隧道勘察效果的举措.工程地球物理学报[J].2004,1(5):452-456
[7]况代智.浅层折射波法在铜南宣高速隧道工程中的应用.水利科技与经济[J].2006,12(7):127-128
[2]赖思静,杨建国,贾学明.综合物探技术及工程应用.公路交通技术[J].2005(5):49-53
[3]樊战军,于爱军,陈孝强,徐德利,陈瑞林.EH4连续电导率测量在森林覆盖区找矿中的应用效果.黄金科学技术[J].2007,15(1):48-53
[4]王友善,魏传根.电磁测深方法研究.地球物理学报[J].2006,49(1):256-263
[5]王礼纂.大地电磁测深中视电阻率一阶偏导数的求法.物探化探计算技术[J].1990,12(1):81-84
[6]熊昌盛,顾汉明,陈毅敏,曹哲明.提高浅层地震折射波法在隧道勘察效果的举措.工程地球物理学报[J].2004,1(5):452-456
[7]况代智.浅层折射波法在铜南宣高速隧道工程中的应用.水利科技与经济[J].2006,12(7):127-128
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