Packaging arrangements for rock stabilizer sets
Passive resistive retaining wall structure
Passive resistive retaining wall structure
Permanent concrete wall construction and method
Pick arm anchor assembly
Plantable geosynthetic reinforced retaining wall
Plantable wall block assembly and retaining wall formed...
Plastic material mesh structure
Plastic rock-bolt or dowel
Plug member
Point anchor coated mine roof bolt
Point anchor coated mine roof bolt
Portable anchor and method for releasably anchoring to a rock
Precast roof bearing block
Precast wall panel and grid connection device
Prefabricated retaining-wall elements for protection, consolidat
Pressing-out apparatus
Prestressed rock truss
Process and apparatus for widening roadways
Process and device for simultaneously drilling and lining a hole