Introduction of Mine Roof Support /Underground Roof Support

1 The profile, centerline and elevation of the excavation section should be checked before the Steel Arch Support installation.

U channel steel support cross section is shaped like the letter "U" in English. National production of u-shape cross-section shape, geometric parameters and material is different, at present China''''

Salient Features And Advantages Of 25u Underground Roof Support.

Precautions And Sequence Of Moving Operation Of Steel Arch Support

Experience Summary Of Hot-dip Galvanized U-shaped Steel Arch Support