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Statements

Subject Item
n2:RIV%2F68145535%3A_____%2F14%3A00430258%21RIV15-AV0-68145535
rdf:type
skos:Concept n12:Vysledek
dcterms:description
To increase the stability of roadways, high cable bolts and short steel beams are increasingly used nowadays, which should lead higher stability of the supporting steel arches during both driving of roadways and primarily during mining of longwall panels in the Czech part of the Upper Silesian Coal Basin. This high anchoring is also obtained by the substitution of middle hydraulic props used to stabilize steel arches support ahead of the advancing longwall. If the roadways are re-used, high cable bolts are used to subsequently stabilize a support frame construction behind the advancing longwall. Anchoring in a high non-fracturing rock mass of a roadway roof is necessary for the effective function of these cable bolts. To increase the stability of roadways, high cable bolts and short steel beams are increasingly used nowadays, which should lead higher stability of the supporting steel arches during both driving of roadways and primarily during mining of longwall panels in the Czech part of the Upper Silesian Coal Basin. This high anchoring is also obtained by the substitution of middle hydraulic props used to stabilize steel arches support ahead of the advancing longwall. If the roadways are re-used, high cable bolts are used to subsequently stabilize a support frame construction behind the advancing longwall. Anchoring in a high non-fracturing rock mass of a roadway roof is necessary for the effective function of these cable bolts.
dcterms:title
Rock mass fracturing in main gate roof behind advancing longwall face Rock mass fracturing in main gate roof behind advancing longwall face
skos:prefLabel
Rock mass fracturing in main gate roof behind advancing longwall face Rock mass fracturing in main gate roof behind advancing longwall face
skos:notation
RIV/68145535:_____/14:00430258!RIV15-AV0-68145535
n3:aktivita
n13:I
n3:aktivity
I
n3:dodaniDat
n8:2015
n3:domaciTvurceVysledku
n6:1063391 n6:9153381 n6:9635394 n6:9203117 n6:1583522
n3:druhVysledku
n11:O
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
42995
n3:idVysledku
RIV/68145535:_____/14:00430258
n3:jazykVysledku
n10:eng
n3:klicovaSlova
main gate; longwall exploatation; RQD testing; rock mass fracturing; fracturing zone prediction
n3:klicoveSlovo
n5:main%20gate n5:longwall%20exploatation n5:fracturing%20zone%20prediction n5:rock%20mass%20fracturing n5:RQD%20testing
n3:kontrolniKodProRIV
[067BE09BAEA2]
n3:obor
n7:DH
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n8:2014
n3:tvurceVysledku
Kukutsch, Radovan Vavro, Martin Ptáček, Jiří Waclawik, Petr Koníček, Petr