U-shaped Mine Roof Supports are widely used in mine roadway support and mountain tunnel support, which can effectively reduce the occurrence of accidents such as roof fall and gangway, and are safe an

The Installation Sequence And Method Of The Mine Face Underground Roof Support

U-shaped Mine Roof Supports are widely used in mine roadway support and mountain tunnel support, which can effectively reduce the occurrence of accidents such as roof fall and gangway, and are safe an

Supporting of soft rock tunnel excavation has been one of the key technical problems which affects the further development of coal industry production and construction of our country .

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.