Study on Effect of Symmetry of Wedge-shaped Cutting Hole Angle on Cut Blasting
The Norwegian cut can provide more dependable advance per round than the plough cut.
Popularization and Application of Deep-hole Blasting Technique in Bottom Compound-term Wedge Cutting
Design of Combination of Smooth Blasting and Double-wedge Cut for Roadway Excavation
The loosening holes outside the plough cut are also drilled at an angle which improves the breakage possibility.
Preliminary Study on Forming Laws of Cuspidal Splitter Split-extruding Rectangular Slot
A wedge or key that fits into a groove to make a joint.
sublevel undercut caving method
a screwdriver with a flat wedge-shaped tip that fits into a slot in the head of a screw.
wedge breech mechanism
To connect with a tongue-and-groove joint.
One of the triangular characters of cuneiform writing.
A wedge - shaped charge pointing downward.
During recent years the seam cut has once again come into use.
Study of Method of Conducting Smooth Blasting in Weak and Soft Surrounding Rocks
Thin taper keys and their corresponding keyways
Taper keys--Cross section dimensions of keys and keyways
A heavy hammer having a wedge-shaped head and used for splitting logs.