›› 2006, Vol. 27 ›› Issue (S1): 902-904.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Research on bolt, anchor cable, steel strap and mesh combined support technique applying to Daxing Coal Mine for soft-rock tunnel

CHEN Shi-hai, QIAO Wei-guo, KONG De-sen   

  1. College of Civil Engineering and Architecture, Shandong University of Science and Technology, Qingdao 266510, China
  • Received:2006-04-27 Published:2006-12-15

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Abstract: According to the rock characteristic and coal seam occurrence condition of 3208 material tunnel roof at Daxing Coal Mine, combining with modern theory of coal tunnel support technology, the combined support parameters of bolt, anchor cable, steel strap and mesh for the tunnel, are put forward; and daily tunnel pressure and support observation, such as roof separation, tunnel convergence deformation, anchorage stress of bolt (anchor cable) etc. have been done at a long time. The results of try-on and observation indicate that the application of bolt, anchor cable, steel strap and mesh combined support technique at Daxing Cola Mine soft-roof tunnel is successful and feasible. Suggestions about the support way of tunnel in samdwich and joint and cracked fake top are also presented.

Key words: coal mine tunnel, bolt, anchor cable, steel strap and mesh combined support, observation, soft rock tunnel

CLC Number: 

  • TD 35
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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