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curtain grouting is used as a water management technique, which prevents about 50 per cent of the underground water from entering the mine in the first place. fankou has bought automated equipment from germany, finland, the united states and canada to improve productivity and safety.
fankou a acheté son équipement automatisé en allemagne, en finlande, aux États-unis et au canada afin d'améliorer la productivité et la sécurité de la mine.
- grout curtains grouting is, in general, the pressure injection of one of a variety of special fluids into a rock or a soil body to seal and strengthen it.
a ce stade, les eaux peuvent gagner le sous-sol ou s'échapper latéralement de la décharge.
