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.

Key words:water cut off in mines; curtain grouting; grouting completion standard