›› 2015, Vol. 29 ›› Issue (4): 127-129.

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Geotechnical Investigations for the Liuzhuang Mine Main Shaft Excavation with Ground Freezing

CHENG Shaoqing   

  1. (Hefei Design Research Institute for Coal Industry, Hefei 230041)
  • Received:2015-06-15 Online:2015-08-20 Published:2015-11-06

Abstract: The geotechnical investigations were conducted on the Liuzhuang Mine main shaft tower ground freezing excavation site before and after the ground freezing when the ground was completely thawed. Different test methods were applied at the site and changes of the soil properties before and after the ground freezing were compared.  

Key words: Main Mine Shaft Tower, Soil Freeze and Thaw, Ground Freezing, Thaw