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Application of Wet Concrete Spraying Technology in Mine Roadway

In general, dry spraying method is using in mine roadway, but the dry spraying method has many disadvantages. The compactness of concrete is not high. Concrete has low strength. Rebound is very big. And there are much dust. So the wet spraying method is necessary. This method can well solve the disadvantages of dry spraying method, and can greatly improve the working environment.