Experimental gunning with plugging the fixing space on mine of Heroes of Space of PAO "DTEK Pavlogradugol"

Experimental gunning with plugging the fixing space on mine of Heroes of Space of PAO "DTEK Pavlogradugol"

Technological features:

• Gunning - a method of concrete work, in which a solution or concrete with fine fraction of aggregates in layers applied to the concreted surface in this case mezhramnoe concrete fence tightening the pressure of compressed air;

• Plugging fixing space-effective ways of maintaining the stability of the existing mine workings.

Completed:

• The technique and the complex of laboratory studies on the selection of rational structures shotcrete mixes and grouting mortars;

• The technique of performing these tasks;

• Shotcrete walls and ceilings;

• Plugging the fixing space

Total period of work – 2,5 months with preparation.