Home > Search Results: "Zpevňování, těsnění a kotvení horninového masivu a stavebních konstrukcí 2006/11./"
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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Failure character of coal geo-composites grouting resins base
 Souček, Kamil ; Staš, Lubomír ; Obara, Y. ; Fukahori, D.
One of the possibilities of improving stability of longwall gates and roadway driven in coal seams in the application of a chemical grouting that will result in formation of a coal geocomposite in the surroudings of the underground roadway. The properties of such a coal geocomposite differ from the ones of the unmodified coal seam. The presented paper deals with laboratory geo-mechanical tests of pure coal and coal geo-composites prepared in laboratory. The paper discusses the different failure of these original and modified coal samples. The X-ray CT scans were used for observation and demonstration of failure evolution in these samples of pure coal and coal geo-composites.
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