... and the protection from corrosion have been significantly improved. It is also possible now to arrange the nails independently of the netting size, so that project-specific requirements can be perfectly met. The design of the innovative rock protection system is based on the results of field tests, model experiments...

... & mining Efficiency experiment operational safety measure Upstream Oil & Gas extraction stability operational safety seam model experiment rrodel engineering activity equivalent model cross-section rockburst reservoir simulation Machalek laboratory shaft Research Mining Institute...