Home > Search Results: "Zpevňování, těsnění a kotvení horninového masivu a stavebních konstrukcí 2009, Mezinárodní seminář /14./"
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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Present prospects and tendencies in the field of gateroads securing in coal mines
 Šňupárek, Richard
The paper deals with methods of supporting and stabilisation of roadways in coal mines.New investigated and designed methods are connected with double usány of roadways, depth of exploration and environmental requests.Decisive kinds of support include methods of rock mass strenghtening e.g. bolting and grouting.
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Permeability measurement of geocomposites on orthogonal specimens
 Souček, Kamil ; Staš, Lubomír
The hydraulic conductivity coefficient of geocomposites is important parameter for evaluation of sealing chemical grouting. There can be problem with preparing of cylindrical gocomposite specimens by drilling for permeability measurements in some cases (e.g. specimens fall into small pieces of irregular shapes). In such cases shaping of geocomposite specimens is easier by cutting than drilling. The paper deals with concept of preparing and methods of hydraulic conductivity measurements at orthogonal geocsomposites specimens conditions. There are some results of geocomposites permeability measurements in this paper.
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