Sentence examples for pillar failure from inspiring English sources
During gateroad development, pillar failure conditions and entry deformation were monitored.
The study of rock pillar failure mechanisms is an issue that is faced routinely in mining and civil industries.
Neglecting abutment loads in design stage may lead to pillar failure and destructive effects during retreat mining.
A decrease in pillar failure risk during retreat mining is the most significant benefit of this method.
Pillar design is the primary engineering control for minimizing the risks of pillar failure and coal bursts during retreat mining under deep cover.
On the other hand, in circular openings, no obvious and/or large pillar failure can be recognized even until a depth of 100 m.
Some problems are likely to arise during the application of the highwall mining system for example instability of openings and highwalls due to the roof and pillar failures.
That event was unique and can be best described as a catastrophic, mine-wide, pillar system failure.
An extensive numerical analysis was carried out to study the pillar deformation and failure process under natural loading conditions.
Major issues of highwall mining systems are less coal recovery due to leaving coal as the pillars and the instability of openings and highwalls due to the pillar and roof failures.
The role of induced horizontal stress in mine pillars and surrounding strata is emphasized in coal pillar mechanics of violent failure.
