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J4  2013, Vol. 47 Issue (5): 912-917    DOI: 10.3785/j.issn.1008-973X.2013.05.026
地质工程     
超浅层三维地震勘探技术应用
石战结1,田钢2,赵文轲2,王治华3
1.浙江大学 文化遗产研究院,浙江 杭州 310058;2.浙江大学 地球科学系,浙江 杭州310027;
3.上海地质调查研究院 上海 200072 
Application on ultra-shallow 3D seismic exploration technology
SHI Zhan-jie1, TIAN Gang2, ZHAO Wen-ke2, WANG Zhi-hua3
1.Institute of cultural heritage, Zhejiang University, Hangzhou 310058,China;2.Department of Geosciences,
Zhejiang University, Hangzhou 310027,China|3.Geology Investigation Institute of Shanghai, Shanghai 200072, China
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摘要:

为了检验超浅层三维地震勘探技术对城市复杂环境下工程勘察目标的探测能力,在上海市某公路上对地下隧道进行超浅层三维地震探测试验.设计具有较高施工效率的密集炮点排列的超浅层三维地震数据采集观测系统,利用omega地震数据处理软件对超浅层三维地震数据进行带通滤波、FX线性干扰压制、振幅补偿、反褶积、速度分析和叠加等处理,最后对超浅层三维地震叠加数据体进行三维可视化解释.结果表明,在地震叠加剖面上可以清晰看到超浅层地层界面的反射,由超浅层地震三维数据体能够推断出地下隧道的分布范围.

Abstract:

 In order to investigate the application effect of ultra shallow 3D seismic exploration method under the noisy environment of urban  condition, an ultra shallow 3D seismic survey was carried out to testify a  subway tunnel under a traffic road in Shanghai, China. The ultra shallow 3D seismic data was collected using a kind of special 3D seismic data acquisition layout with dense shots and the seismic data acquisition efficiency was increased. Then the seismic data processing software named Omega was used to process the 3D ultra shallow seismic data. The main processing methods included Band-pass filter, F-X domain Linear noise suppress, amplitude compensation, de-convolution, velocity analysis, CDP stack and so on. At last, the 3D seismic dataset was displayed and analyzed using the 3D visual software. The results show that the seismic reflection event of interface between ultra shallow stratums can be seen from stack profiles. Moreover, the distribution of the subsurface subway tunnel can be identified from ultra-shallow 3D seismic investigation.

出版日期: 2013-05-01
:  P 631  
基金资助:

国家自然科学基金资助项目(41104072);浙江省文物保护科技资助项目(2011008);浙江省教育厅项目资助项目(Y201121110);上海市规划和国土资源管理局资助项目(2009(D)-068(F)-03).

通讯作者: 田钢,男,教授.     E-mail: tiangang@zju.edu.cn
作者简介: 石战结(1978- ),男,讲师,从事油气地震勘探、考古地球物理研究工作.E-mail: shzj1978@163.com .
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引用本文:

石战结,田钢,赵文轲,王治华. 超浅层三维地震勘探技术应用[J]. J4, 2013, 47(5): 912-917.

SHI Zhan-jie, TIAN Gang, ZHAO Wen-ke, WANG Zhi-hua. Application on ultra-shallow 3D seismic exploration technology. J4, 2013, 47(5): 912-917.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2013.05.026        http://www.zjujournals.com/eng/CN/Y2013/V47/I5/912

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