Method and apparatus for controlling a mine roof support

Method and apparatus for installing barrier material

Method and assembly for maintaining structural stability and...

Method and device for moving a shield-type support trestle

Method and device for stabilizing slopes

Method and material for preventing erosion and maintaining...

Method for controlling a hydraulically operated mine roof suppor

Method for preventing seismic liquefaction of ground in...

Method for producing large surface area geogrids with high...

Method for reducing the liquefaction potential of foundation...

Method for the construction of drainage works, in particular...

Method of controlling the movement of a longwall excavation fron

Method of reducing ground disturbance during freeze-thaw...

Method of site preparation in environmentally sensitive areas

Methods and devices for ground stabilization

Mine roof support

Mine roof support

Mine roof support control

Mine roof supports

Mine-roof support control mechanism