Home > Search Results: "Zpevňování, těsnění a kotvení horninového masivu a stavebních konstrukcí 2010 /15./"
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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Stability control of double used roadways with combined support
 Šňupárek, Richard ; Konečný, Petr ; Ptáček, Jiří ; Koníček, Petr
Double using of roadways in coal mines requires special kinds of support. Combined support consisting from bolting and steel arch supports is described. The paper contains methods of dimensioning and design of combined support in conditions of Ostrava Karviná coal basin.
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Verification of the possibility of utilization of rockbolt technology in the Nováky colliery conditions
 Koníček, Petr ; Souček, Kamil ; Šňupárek, Richard ; Hrabovský, J.
Deformation of longwall gates are significant mining complication in conditions of mining of thickness brown coal seams. Difficult mining conditions are coped with standard way – reduced steel arch support spacing, wood polygon supports and timber poles etc. Presented contribution introduces the first step to application bolt technology for strengthening of current longwall gate support. In roadway No. 111 114-05 was installed dozen set of glass fibre reinforce plastic grouted rockbolts K60-25 by polyester resin Lokset in conditions of Nováky Colliery. Afterwards it was carried out pull tests of rockbolts, their assessment and it was defined recommendation for rockbolts using in conditions of Nováky Colliery
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