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Help CenterHot Sale U Beam Steel Arch Support For Mining Timbering
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Hot Sale U Beam Steel Arch Support For Mining Timbering Introduction
U steel beam arch is form by bending U steel,there are U18 U25 U29 U36 four models of U steel .
U shaped steel arch with a high setting load ,support strength,easy to install ,easy deformation,monly used in the manufacture of roadway retractable metal arch , as mine tunnel ,mine tunnel secondary support ,and the support of the branch tunnel though a mountain protection and other purposes .
U steel support structures :
1 The top beam
Arch arched roof beams ,the number depending on the size of the roadway,frame by force , different conditions of carriage have one or several top beams .
2, The post legs
There are three kinds of leg post forms ,one cap ,two post legs ,with two base steel .
3, Connections
Connector is a holding device between one section of to another section can play a role in the connection section between two steel can also be connected to the joint portion of the pressing ,preload, having friction between the U-shaped steel ,thus ensuring arch support has some work and a certain resistance to shrinkage.
4,Steel tie rod
Between the rod holder is to enhance the rold of the relative stability of hte overall arch ,the arches from the longitudinal coupled together to form a whole .
5,The backing material .
The backing material is a filling material U shaped steel arch and wall rock between the aim is to make the U shape steel arch and rock in close contact, to improve the situation by force arch to improve its carrying capacity and maintain the stability of the surrounding rock .
U shaped steel arches Features
1,U shaped steel bracket to with stand pressure, supporting a long time ,are easy to install easy deformation characteristics .
2,U shape steel support with a scalable and reliable carrying capacity than other rigid support, adapt soft rock load and deformation .
3,U shape steel arch section utilization ,convenient support arch back , small amount of maintenance .
4,U steel support recycling reuse rate ,reduce prop use, environmental benefits are clear .
Hot Sale U Beam Steel Arch Support For Mining Timbering Parameter
| Model | H1 | H2 | H3 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | M | Section Area cm2 | Theoretical Weight kg/m |
| 25U | 120 | 29 | 15 | 135 | 101.5 | 40 | 47 | 39 | 29 | 102.3 | 6.3 | 31.97 | 24.95 |
| 29U | 124 | 28.5 | 16 | 150.5 | 116 | 44 | 53 | 42 | 30 | 116.6 | 7.2 | 37 | 29 |
U steel arch support need your tunnel size or your drawing then we can produce as your requirement .
Hot Sale U Beam Steel Arch Support For Mining Timbering Photos
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