Preparation and Application of High Strength and High Performance Concrete to Mine Freezing Shaft Liner
XUE Wei-pei
SONG Hai-qing
CHEN Zhi-yong
HE Chao
Abstract：A high strength and high performance concreter shaft liner was applied to a deep mine free-zing shaft ,could reduce the loop diameter of the freezing borehole layout ,could reduce the number of the freezing boreholes and could save the freezing borehole construction time and the pipe material cost.Meanwhile ,the thickness of the mine shaft liner could be reduced ,the excavation quantity of the mine shaft could be reduced ,the mine shaft sinking speed could be speeded up and the good technical and economic benefit could be obtained.A study was conducted on the preparation experiment of the high strength and high performance concrete applied to the mine freezing shaft liner and an optimal mixing ratio was obtained.The high strength and high performance concrete of the mine freezing shaft liner was successfully applied to three deep mine freezing shaft sinking projects of Baleng Mine and good effects were obtained.
Keywords：mine freezing shaft linerhigh strength and high performance concretepreparationor-thogonal experiment
Publication Date：2014-02-22
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 45-48 )