JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2011, Vol. 41 ›› Issue (1): 101-104.

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The application of TEM geological forecast about the F1-2 water-bearing  fault of the Kiaochow Bay subsea tunnel

LI Zhi-peng, ZHANG Qing-song*,  LI Shu-cai, XUE Yi-guo, SU Mao-xin, DING Zhi-hai, ZHANG Wei-jie   

  1. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan  250061, China
  • Received:2010-07-26 Online:2011-02-16 Published:2010-07-26

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Abstract:

Transient electromagnetic method is an effective way to predict the water for its sensitivity to the low resistance body, so it was  used  to detect the F1-2 water-bearing fault of the Kiaochow Bay subsea tunnel. The results were analyzed after excluding interfering factors in the signal acquisition and data processing. Finally the scale and location of theF1-2  waterbearing fault、and degree of rock weathering、growth of water-bearing fault fissure water were determined, these parameters provide  effective geological information for the advance pre-grouting reinforcement. The advance exploration hole and geological record of this section proved the accuracy and effectiveness of this prediction, which will also be  a very good reference and guide for  succeeding tunnel geological predictios.
 

Key words: transient electromagnetic method, Qingdao Kiaochow Bay subsea tunnel, advanced geological prediction, water-bearing fault

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