Grouting anchor cable advanced supporting method
A technology of grouting anchor cables and advance support, which is applied in the installation of bolts, earthwork drilling, wellbore lining, etc., can solve the problems of insufficient support strength of advance support, high labor intensity of workers, and influence on roof strength, etc., to achieve Avoid damage to the roof of the roadway, reduce the labor intensity of workers, and improve the effect of supporting speed
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[0030] The preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to explain the principle of the present invention, and are not used to limit the scope of the present invention.
[0031] A specific embodiment of the present invention discloses a method for grouting anchor cable advance support, which includes the following steps:
[0032] Step 1: Determine the roadway 1 to be supported in the current working face 3. To determine the mining roadway 1, based on the geological conditions and engineering production conditions, select the mining roadway 1 that meets the above conditions for advanced support.
[0033] Step two, select a single or multiple mining roadways 1; according to the leading support pressure distribution law of the mining roadways 1 and engineering geological condit...
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