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Volume 28 Issue 1
Aug.  2021
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Article Contents
YANG Shuhua, ZHANG Xingmin, JIANG Fuxing, CHEN Qiang. Deep hole geophones and installing techniques used in microseismic monitoring underground[J]. Chinese Journal of Engineering, 2006, 28(1): 68-70,100. doi: 10.13374/j.issn1001-053x.2006.01.016
Citation: YANG Shuhua, ZHANG Xingmin, JIANG Fuxing, CHEN Qiang. Deep hole geophones and installing techniques used in microseismic monitoring underground[J]. Chinese Journal of Engineering, 2006, 28(1): 68-70,100. doi: 10.13374/j.issn1001-053x.2006.01.016

Deep hole geophones and installing techniques used in microseismic monitoring underground

doi: 10.13374/j.issn1001-053x.2006.01.016
  • Received Date: 2004-11-09
  • Rev Recd Date: 2005-04-26
  • Available Online: 2021-08-24
  • Two kinds of geophones and their installing techniques used in microseismic monitoring underground coal mines were introduced. The method of installation with hydraulic expander can be used in middle hard and hard strata while the depth of drilling holes should be less than 50 m and geophones can be recycled. The method of installation with cement pouch can be used in soft strata and the depth of drilling holes can reach 50-100 m. These geophones and their installing techniques were investigated by field tests and have successfully applied in underground coal mines.

     

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