Over pressure
Over pressure Air concussion is also referred to as “overpressure,” that is, the air pressure over and above normal air pressure. The difference between noise and concus- sion is the…
Langefors’ Formula
Langefors’ Formula Langefors suggested that the burden determination was based on more factors, including diameter of hole, weight strength of explosives, degree of packing, a rock constant, and the degree…
The Maximum Stress,Due To Combined Axial And Bending Loads
The Maximum Stress,Due To Combined Axial And Bending Loads For short beams, subjected to both transverse and axial loads, the stresses are given by the principle of superposition if the…
Buckling Occurs At The Critical Bending Moment
Buckling Occurs At The Critical Bending Moment If a structure is subjected to a gradually increasing load, when the load reaches a critical level, a member may suddenly change shape…
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