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隧道建设(中英文) ›› 2012, Vol. 32 ›› Issue (3): 275-280.DOI: 10.3973/j.issn.1672-741X.2012.03.003

• 研究与探索 • 上一篇    下一篇

综合物探方法在某过江隧道工程勘察中的应用研究

刘宏岳,林朝旭,林孝城,黄佳坤   

  1. (福建省建筑设计研究院, 福州 350001)
  • 收稿日期:2012-01-18 修回日期:2012-02-13 出版日期:2012-06-20 发布日期:2012-07-09
  • 作者简介:刘宏岳(1967—),男,福建永泰人,1990年毕业于同济大学勘查地球物理专业,本科,高级工程师,从事工程物探和地震数据处理研究工作。

Application of Comprehensive Geophysical Prospecting Method in  Exploration of Rivercrossing Tunnel

LIU Hongyue, LIN Chaoxu, LIN Xiaocheng, HUANG Jiakun   

  1. (Fujian Provincial Institute of Architectural Design & Research, Fuzhou 350001, China)
  • Received:2012-01-18 Revised:2012-02-13 Online:2012-06-20 Published:2012-07-09

摘要: 主要介绍了地震反射波、水域高密度电法和高频大地电磁测深物探方法在过江隧道工程勘察中的应用,水域工程的物探方法首选地震反射波,但在水较浅、水底介质较硬的地方,水底多次波很严重,下覆地层的有效信号弱,难以得到理想的效果。在地震反射波方法失效的情况下,尝试采用水域高密度电法和高频大地电磁测深法探查构造低阻异常地质体,取得了一些测试成果,通过综合对比,相互佐证,提高了勘探成果的可靠程度。

关键词: 工程物探, 水域高密度电法, 高频大地电磁测深法, 过江隧道, 正反演模型计算, 断层探测

Abstract: The application of geophysical prospecting technologies, including seismic reflection wave technology, high density resistivity technology and high frequency magnetotelluric technology, in the exploration of a rivercrossing tunnel is presented. The seismic reflection wave technology is the first choice for the exploration of underwater projects. When the seismic reflection wave technology is used in underwater projects where the water is shallow and the media under water is hard, the prospecting result is not so accurate. When the seismic reflection wave technology is ineffective, high density resistivity technology and high frequency magnetotelluric technology are tried and good results are achieved. The reliability of the prospecting results is improved by means of mutual comparison and verification on the prospecting results obtained by different technologies.

Key words: engineering geophysical prospecting, high density resistivity technology, high frequency magnetotelluric technology, rivercrossing tunnel, forward &, inverse model calculation, fault detection