Abstract:

continuously the exaltation mineral return of stone adopt a rate,lower a loss rate,is a mineral mountain to mine the technique that the resources continuously pursue to reform a target.lazigou gold mine in muping in the last years, at tail sand fill mine for minerals method of foundation up, replace bottom mineral pillar, false bottom to change a mineral pillar with the artificial false lane etc. technique application aspect, obtain mature of experience. special in mediumly the thin and thick quartz vein the type the gold mine body mine of application, returned to adopt a rate to have bigger exaltation, safety technique measure credibility, construction craft simple, investment economical, the performance be considerable.

Key words: bottom post, concrete, concrete-bottom, concrete-lane