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Factory Mine Tunnel Secondary Support U29 Steel Support Mining Support

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Offer price breaks when you order a larger quantify.

Leading time would be depends on our work efficiency and delivery schedule, usually within 2 business days.

Shipping: Ships in 2 business day

Workstation

The tool workbench is made of aluminum profiles as raw materials, using a variety of aluminum profiles, cutting precision, It is easy to process, and the surface is not rusty. It can be combined with various materials and accessories to assemble into various Various styles of workbenches are beautiful and portable, easy to disassemble and assemble, flexible to adjust, and can be customized on demand.

It does not require maintenance and is widely used in various industrial production industries.


safety & guarding

Aluminum profile small shield Product classification: Industrial fence/protection case The whole is made of aluminum profile 4040 and frosted pc board. The overall appearance is beautiful and atmospheric, relatively stable, and the size can be customized according to requirements


Machine Enclosure Machine Frame

The automobile inspection fixture frame is assembled with aluminum profiles and accessories, and the product is designed according to customer requirements Appropriate frame structure, using heavy-duty profiles and supporting connectors, beautiful products , Atmosphere, high strength, please consult APS online customer service for details


High Quality 12# Mine Steel Arch for Sale with Factory Price

High Quality 12# Mine Steel Arch for Sale with Factory Price ; Zongxiang Products Made In China, China Manufacturer. 12# Mine steel arch Price:according to your drawings Material::Q345B Size:12# DESCRIPTION:Mining i beam is also called mine beam, it is a typical profile in the current mining industry and the coal support field, this type of steel is named for its section.

Rock Reinforcement Options in Underground Mines |

Mining is a dangerous operation but is much safer now due to advanced rock support engineering models and rock support reinforcement systems. Catastrophic collapse or cave.in isn’t anywhere near the risk it once was because of these reinforcement techniques.

A Batch of Mine Supporting Equipment of China Coal Group Sent

The U type steel frame produced by our Group is mainly used for the mine tunnel_secondary support of mine tunnel and the support of mountains tunnel_ having the characteristics of high pressure resistance_ long support time_ e.installation_ not easy to deformation_ etc.

Principle and practice of coupling support of double yielding

3. Key principle and technology of coupling support of double yielding shell 3.1. Coupling support principle of double yielding shell. The main reasons of deformation and failure of soft rock roadway under high stress were like that| the first was the broken deformation of the rock under initial high stress- the second was the long-term rheological properties of rock after the broken peak- the ...

Strength Assessments of Concrete-Filled Steel Tubular Support

Gao| Y.-F.| Wang| B.| et al.. Experimental Research on Concrete-filled Steel Tubular Support Supporting Technology in Soft Rock Roadway in Deep Mine. In. Symposium on New Development of Chinese Coal Mine Safety| Efficiency and Clean Mining Technology| pp. 333–338 (2008) (in Chinese) Google Scholar

Steel Arch Support,Support Arch ,Mine Roof Support

U29 Steel Support Mining Support /Steel Mine Supports. 29U steel support is mainly used for mine tunnel· mine tunnel secondary support· as well as support through the mountain tunne... more_ U25 Mining Steel Support Arch Support. 25U steel bracket with effective to reduce the roof· sheet occurrence of accidents· safe and reliable· improve the stability o... more_ Mining Support U Beam Steel Arch Supports

A Batch of Mine Supporting Equipment of China Coal Group Sent

The U type steel frame produced by our Group is mainly used for the mine tunnel|secondary support of mine tunnel and the support of mountains tunnel| having the characteristics of high pressure resistance| long support time| e`installation| not easy to deformation| etc·

China Coal Group Sent A Batch Of U-Shaped Steel Brackets To

The U-shaped steel bracket was independently developed and produced by China Coal Group machinery factory; The product was improved and innovated on the basis of the original U-shaped steel bracket, which can be better applied to mine roadway, secondary support of mine roadway and mountain tunnel supporting;

Failure mechanism of surrounding rock with high stress and

The categories are bolt_shotcrete support, (i/4) U29 arch combined support and (i/4) SQCC150*8 arch combined support, and their corresponding numbers are A, Ui and Si, respectively, as shown in Table 1, where, i = 1 ~ 8, corresponding to 0.25–2 times of the arch strength, respectively· and the arch combined support schemes include the bolt ...