About: Destress rock blasting as a rockburst control technique

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Rockburst is a very dangerous phenomenon in mining. Destress blasting is one of the active methods of rockburst control. The effect of destress blasting is manifested in two ways: (i) it relieves stress in the forefield of the longwall face due to failure of the coal seam immediately ahead of the face and thus moves the surcharge zone further ahead of the face (preconditioning); and (ii) it influences the mechanical properties of adjacent rocks (softening the rock, reducing its effective elastic modulus, etc.). Due to these measures the high stress concentrations in coal seams (or accompanying rocks) can be reduced. The method of destress blasting is well known from ore mines where it was first used (deep South African gold mines in the 1950s). Application of this method is not yet widespread in hard coal mining. The experience of using the destress blasting technique in coal mines is presented in this paper, namely in difficult natural and mining conditions of multiseam hardcoal deposit (the Czech part of the Upper Silesian Coal Basin). Rockburst is a very dangerous phenomenon in mining. Destress blasting is one of the active methods of rockburst control. The effect of destress blasting is manifested in two ways: (i) it relieves stress in the forefield of the longwall face due to failure of the coal seam immediately ahead of the face and thus moves the surcharge zone further ahead of the face (preconditioning); and (ii) it influences the mechanical properties of adjacent rocks (softening the rock, reducing its effective elastic modulus, etc.). Due to these measures the high stress concentrations in coal seams (or accompanying rocks) can be reduced. The method of destress blasting is well known from ore mines where it was first used (deep South African gold mines in the 1950s). Application of this method is not yet widespread in hard coal mining. The experience of using the destress blasting technique in coal mines is presented in this paper, namely in difficult natural and mining conditions of multiseam hardcoal deposit (the Czech part of the Upper Silesian Coal Basin). (en)
Title	Destress rock blasting as a rockburst control technique Destress rock blasting as a rockburst control technique (en)
skos:prefLabel	Destress rock blasting as a rockburst control technique Destress rock blasting as a rockburst control technique (en)
skos:notation	RIV/68145535:_____/11:00367791!RIV12-AV0-68145535
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z30860518)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Koníček, Petr Ptáček, Jiří Konečný, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav geoniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	193651
http://linked.open...ai/riv/idVysledku	RIV/68145535:_____/11:00367791
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	underground coal mining; rock burst; destress rock blasting (en)
http://linked.open.../riv/klicoveSlovo	destress rock blasting rock burst underground coal mining
http://linked.open...ontrolniKodProRIV	[ECD8810F9E3B]
http://linked.open...v/mistoKonaniAkce	Beijing
http://linked.open...i/riv/mistoVydani	London
http://linked.open...i/riv/nazevZdroje	Harmonising Rock Engineering and the Environment
http://linked.open...in/vavai/riv/obor	DH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Konečný, Petr Koníček, Petr Ptáček, Jiří
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-10-18 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Fyzikální a environmentální projevy v litosféře indukované antropogenní činností
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	CRC Press Taylor and Francis Group, Balkema
https://schema.org/isbn	978-0-415-80444-8

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