Method for sealing mine workings

Details Method for sealing mine workings Method for sealing mine workings

E - Fixed Constructions

21

D

117/237

E21D 11/38 (2006.01) E21F 1/14 (2006.01) E21F 5/08 (2006.01) E21F 5/18 (2006.01)

Patent

CA 2026631

Mine workings such as concrete block stoppings are sealed under wet or humid conditions by coating them with an aqueous sealant composition comprising a water soluble alkali metal silicate, a curing agent for the alkali metal silicate and a filler which is substantially non-reactive with the alkali metal silicate. The method provides an impervious sealant coating which prevents penetration of fluids or dust through the workings.

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