Projekt samostatné svorníkové výztuže pro ražbu porubní chodby v podmínkách čs. části hornoslezské uhelné pánve
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Vysoká škola báňská - Technická univerzita Ostrava
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Abstract
Theme of my diploma thesis, Design of solely bolting bracing an entry gallery 331 229 situated in seam 33a in mine ČSM Sever. Entry gallery 331 229 is designed for faces 331 209 in seam 33a in mine ČSM Sever. Geological conditions around entry gallery and mining technical conditions for mintage has been evaluated first. Parameters of bolts has been calculated by program ANKER. Geotechnical monitoring is a part of desing of solely bolting, includes tensile test, extensometer measurement and convergence measurement.
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Import 07/02/2011
Subject(s)
bolt, entry gallery, Upper Silesian Coal Basin, RMR, RQD, ČSM, sand stone, coal