R32N Hollow Grouted Self Drilling Anchor Rock Bolt For Mine Tunnel Coal Roof Support

Product Description: Self-drilling Hollow Anchor
Self-drilling hollow anchor can be drilled and grouted without casing or drill pipe in the weak surrounding rock such as broken rock layer and loose soil layer.
and grouting without the use of casing or drill pipe. It can integrate the functions of drilling, grouting and anchoring, and has the features of convenient construction. It has the features of convenient construction, reliable
reliable, etc. The surface of the rod is processed to form a standardized The surface of the rod is processed to form a standard thread, which can be reliably connected with standard rock drilling tools such as drilling rigs, anchor carts and grouting machines.
The surface of the rod is processed to form a standard thread, which can be reliably connected with standard rock drilling tools such as drilling rigs, anchor trolleys and grouting machines.
Product Application
As an effective anchoring method, the self-drilling hollow anchor developed by our company is suitable for use in complex geological conditions, loose, broken, and extremely difficult to drill.
loose, broken, and very easy to collapse after drilling address support projects, a large number of applications in the peripheral rock of the overrun support, radial
support, slope support, pit support, roadway support, soil nail wall, pull-back anchor retaining wall and other perimeter rock support projects.
The products are used in the following ways.

Product composition
Hollow anchor, solid rebar, linking sleeve, outlet channel, anchor head, stopper, pad, nut, exhaust pipe
Pipe

Characteristics
The product is through the combination of rod front end rebar rod partially inserted into the drilled holes into the anchoring agent, to achieve fast
Anchoring, through the hollow anchor rod rod grouting, so that the anchor grouting full, strong. As the hollow anchor rod body is connected with the solid anchor rod through the specialized
As the hollow anchor rod body is connected with solid anchor rod body by specialized connection section, and the slurry outlet channel is on the connection section, the material efficiency can be fully utilized.
The efficiency of the material can be fully utilized, which has greater implementation value and social and economic benefits.
Product application range
It is mainly used for the support of surrounding rock with weak-good address conditions, demagnetization support and other temporary support. Combined hollow injection
Slurry anchor is a new type of hollow grouting anchor due to its low project cost, reasonable economy, and the purpose of enhancing the effect of support through combination construction.
It is one of the new hollow grouting anchor products.

 

Wide range of applications
Mainly used for high strength support of large deformation roadway in highland pressure mines, and also can be used for high strength roadway support of railroad, hydropower and other types of projects.

Anti-corrosion process

Hot-dip zinc corrosion protection systemEpoxy coating corrosion protection systemDouble corrosion protection system

view more

Construction efficiency

Ordinary stratum enhancement of about 10-20% difficult to make holes in the geological enhancement of about 2-4 times

view more

Scope of application

Backfill, weathered rock, fractured rock, sand, clay, pebbles, etc.
Collapsed holes, hole-less geology

view more