The assembly of the four-section U-shaped steel arch support must first combine the beams, and then use the front beam frame to do the support arch. After completion, dig the column sockets on the two
We have a deep understanding of the appearance and use of U-shaped steel arch support, but we may have a little understanding of the material requirements of U tunnel roof support.
When operating the U-shaped tunnel roof support, the support worker should stand on the bottom frame of the rack box and face the coal wall to operate. It is forbidden to pedal in front of the base or
The special and complex nature of rock strata in tunnel construction requires the use of Steel Arch Support to support the tunnel and ensure its stability.
The combined support of U-shaped steel arch support, metal mesh, and shotcrete has changed the limitations of the three support forms used alone, and gave full play to the advantages of the three supp
The Installation Sequence And Method Of The Mine Face Underground Roof Support