Roadway anchoring and shotcreting support flexible integrated concrete spraying layer and construction method thereof

Roadway anchoring and shotcreting support flexible integrated concrete spraying layer and construction method thereof

  • CN 106,522,991 A
  • Filed: 11/10/2016
  • Published: 03/22/2017
  • Est. Priority Date: 11/10/2016
  • Status: Active Grant
First Claim
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1. the flexible entirety concrete spray-up of a kind of tunnel bolt-spary supports, it is characterised in that:

  • Including being injected in deep laneway surrounding rock table successivelyThe ground floor jetting cement in face, second layer jetting cement, third layer jetting cement and the 4th layer of jetting cement, in the coal seam in tunnel-surrounding deepIt is provided with some first anchor pole layers, some second anchor pole layers and some 3rd anchor pole layers, axle of all of first anchor pole layer along tunnelLine direction is uniformly arranged side by side, and often ranked first anchor pole layer includes some the first anchor poles being evenly arranged along tunnel-surrounding ring,The anchor tail end of the first anchor pole is fixed with pallet by tightening nut, and pallet and ground floor jetting cement compress compacting, the first anchor pole withGround floor jetting cement surface is vertical, is connected by steel wire rope between the anchor tail end of two the first adjacent anchor poles;

    Axis direction of all of second anchor pole layer along tunnel is uniformly arranged side by side, and often ranked second anchor pole layer includes some Gen Yan lanesThe second anchor pole that road periphery ring is evenly arranged, the anchor tail end of the second anchor pole are fixed with pallet, pallet and by tightening nutTwo layers of jetting cement compress compacting, and the second anchor pole is vertical with second layer jetting cement surface, the anchor tail end of two the second adjacent anchor polesBetween by steel wire rope connect;

    Axis direction of all of 3rd anchor pole layer along tunnel is uniformly arranged side by side, and often ranked third anchor pole layer includes some Gen Yan lanesThe 3rd anchor pole that road periphery ring is evenly arranged, the anchor tail end of the 3rd anchor pole are fixed with pallet, pallet and by tightening nutThree layers of jetting cement compress compacting, and the 3rd anchor pole is vertical with third layer jetting cement surface, the anchor tail end of two the 3rd adjacent anchor polesBetween by steel wire rope connect.

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