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Coal Mine Reinforcing Mesh, Net maintenance, Mesh support reinforcing mesh
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Coal Mine Reinforcing Mesh, Net maintenance, Mesh support reinforcing mesh
Coal Mine Reinforcing Mesh, Net maintenance, Mesh support reinforcing mesh
Classification:Water and electricity construction industry
Release date:2015-10-12
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Content:
 
Introduction

 

Coal Mine Reinforcing Mesh, Net maintenance, Mesh support reinforcing mesh


Coal mine reinforcing mesh: With steel mesh and anchor, when used in combination joists Mine roadway, consisting of a main anchor of the whole bearing structure can be increased bearing area anchor, anchor between small turquoise prevent falling, greatly improve the overall performance of bolt support system so Bolting possible to apply under the ceiling of the more broken or fractured joints and roadway conditions in affected by Mining Action. Moreover, it can also be used in the case of wide roadway width, so as to improve the bolt support effect, and expand the application range of bolt support.


Coal mine reinforcing mesh: is also known asMine Support Network, coal mine safety net.  The product has a high tensile strength, smooth surface, sturdy, not easy to pull.  The safety factor has reached the national standard.  Mainly used for coal Artificial Roof.   Can reduce the cost of coal hoarding, save lead wire.  It has become the focus of new technologies implemented in China's coal industry, has also been promoting the use of protective dams, fences farming, etc.  Now it has become  a new type of material in the construction industry, has the effect of reinforcing bar.

 

materialgalvanized iron wire and low carbon steel wire
aperture2.5cm 3cm 3.5cm 4cm 5cm 6cm 7cm...
wire diameter200# 250# 260# 280# 300# 350# 400#...
width80cm-120cm
weavecrocheting
charactersuniformity, flat surface, net width, wire diameter thick and difficult to corrosion, long service life, weaving simple beautiful and practical, strong tension, high toughness
 use

industry, agriculture, building, transportation, mine, playground,lawn,cultivation, enclosurefence, decoration, machine protection,etc.


lay coal mine reinforcing mesh reinforcing mesh arch structure


Mine is a combination of steel mesh commonly used bolt support member, which is used to maintain between surrounding rock bolt to prevent small turquoise fall, can be used as injection reinforced concrete. Bolt tightened by steel mesh can play a role in the overall links between the bolt support components. Coal steel mesh can afford to take turquoise anchor spacing depends on the size of the load.

Common coal steel mesh with a diameter of 3 ~ 12mm rebar or wire woven, generally made of galvanized wire. In conventional 60mm × 60mm rectangular hole net, namely graticule. Or the use of wire from substituted 40 ~ 200mm diamond hole metal hinge. With the national coal mine accident-prone parts of the country have begun major reorganization, the state of no business license and safety requirements for low coal mines to stop production improvement. 

 

Coal mine reinforcing mesh and safty mesh effect: Support for mine, coal Artificial Roof, metallurgy, construction, warehousing, farming, chemical and other industries.also named

retardant mesh, mine safety mesh, graticule coal mines, coal network, subnet grid, square grid, supporting mine safety mesh, woven wire mesh coal mines, coal graticule, coal supporting network, Mine safety mesh, coal plain weave mesh, Coal net, mine support Network, coal anchor mesh, coal  wire mesh, underground metal mesh, mine network, anchor plate, anchor.

 

Coal mine reinforcing mesh and safty mesh specification : 

Width: 50 cm, 60 cm, 80 cm, 90 cm, 1 m, 1.2 m and other 

length: 3 m, 3.5 m, 4 m, 5 m, 6 m, 7 m, 8 m , 10 meters or longer according to customer demand. 

Aperture: 2.5cm 3cm 3.5cm 4cm 5cm 6cm 7cm and other wire diameter: 200 # 250 # 260 # 280 # 300 # 350 # 400 # and so on.


20140930152619_60718.jpg  

118726088720712.jpg


Coal steel mesh, supporting mesh Construction Notes:


1, the bottom of sprayed concrete thickness of not less than 4cm.

    

2, double hanging steel mesh, the second layer to the first layer of steel mesh steel mesh covering the final setting of concrete after being laid.

    

3, reinforced mesh with the spray face ups and downs at the beginning of laying and clearance by the spray surface is not less than 3cm, and the bolt or other securing means coupling firmly.

    

4, steel mesh lap length is 1 to 2 mesh, welded, tolerance of ± 50mm.

    

5, when hanging off the rocks or concrete blocks, steel card when it is live, should be promptly removed.

    

6, welders must wear protective clothing when welding, standing on the wood or other insulating material.

    

7, welding lines and equipment in line with "a machine a gate, a box of a protection."

    

8, construction closely observe spalling and collapse of surrounding rock or shotcrete, note holder or stability of the slag heap.

    

In addition, the protective layer thickness can not be less than 30mm. Mesh to form a whole, welded to firmly place.

After the system bolt steel mesh install facilities for the reinforced type and grid spacing according to design requirements, the first outside the cave made mesh. Installed in the cave, and the beginning of sprayed concrete surface gap is not greater than 3cm, steel mesh and anchor intersection welded together, so that when the spray is not easy reinforcing mesh shaking. Install steel mesh should pay attention to: respond before making steel bar straightening, rust and oil, to ensure construction quality.


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