Band type wangeviry mining technology branch entry supporting method
A strip-type and branch roadway technology, which is applied to mining equipment, earthwork drilling, mine roof support, etc., can solve problems such as sudden increase in support pressure, increase in roadway span, and potential safety hazards in coal mining activities. force state, increase the effect of residual strength
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] see Figure 1-4 , the present invention provides a technical solution: a strip-type Wangerville coal mining technology branch roadway support method, the strip-type Wangerville coal mining technology working face mining roadway (see the schematic diagram of the mining roadway figure 1 ), which includes the following steps:
[0024] (1) Primary support during branch roadway excavation: screw rebar anchor rods and anchor cables on the roof, and arrange g...
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