Curtain grouting at No. Ⅰ ore body of Great Wall Gold Mine in Qian’an

Abstract:

The curtain grouting project of No. Ⅰ ore body of Great Wall Gold Mine in Qian’an is a large scale water cut off project, characterized by its extensive scope, large quantity of designed boreholes, complex geologic conditions , large volume of grouting and long construction period. This paper elaborates the principle and procedure of curtain grouting, summarizes its construction features and rules, and analyzes its application effect.