About: Rockbolts as reinforcing elements under dynamic impact of rokbursts

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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	Due to strong impacts of rockbursts in Ostrava – Karvina coalfield which affect especially roadways and cross-cuts of longwall panels it is necessary to strenghten standard steel breakthroughs support. Using of reinforcing complementary bolts seems to be very effective. Different varieties of a number and location of such rockbolts have been analysed and compared from the viewepoint of the stability under dynamic events on the base of 3D mathematic modelling. The instrument of computer modelling has been FEM applied by ANSYS code. It deals with shape and nature of deformation of steel support, strain and deformation of reinforcing bolts, critical energy by which a permanent strain is caused, influence of interaction of adjacent rock on the above mentioned characterisics. Recommendation for number and location of reinforcing complementary bolts is also contained. Due to strong impacts of rockbursts in Ostrava – Karvina coalfield which affect especially roadways and cross-cuts of longwall panels it is necessary to strenghten standard steel breakthroughs support. Using of reinforcing complementary bolts seems to be very effective. Different varieties of a number and location of such rockbolts have been analysed and compared from the viewepoint of the stability under dynamic events on the base of 3D mathematic modelling. The instrument of computer modelling has been FEM applied by ANSYS code. It deals with shape and nature of deformation of steel support, strain and deformation of reinforcing bolts, critical energy by which a permanent strain is caused, influence of interaction of adjacent rock on the above mentioned characterisics. Recommendation for number and location of reinforcing complementary bolts is also contained. (en)
Title	Rockbolts as reinforcing elements under dynamic impact of rokbursts Rockbolts as reinforcing elements under dynamic impact of rokbursts (en)
skos:prefLabel	Rockbolts as reinforcing elements under dynamic impact of rokbursts Rockbolts as reinforcing elements under dynamic impact of rokbursts (en)
skos:notation	RIV/68145535:_____/09:00331601!RIV10-AV0-68145535
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(AACBU44-06), P(GA105/07/1265), Z(AV0Z30860518)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Šňupárek, Richard
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	339597
http://linked.open...ai/riv/idVysledku	RIV/68145535:_____/09:00331601
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	break-through support; rockburst; strenghtening (en)
http://linked.open.../riv/klicoveSlovo	rockburst strenghtening break-through support
http://linked.open...ontrolniKodProRIV	[29F46C693335]
http://linked.open...v/mistoKonaniAkce	Hongkong
http://linked.open...i/riv/mistoVydani	Hongkong
http://linked.open...i/riv/nazevZdroje	Proceedings of the International Symposium SINOROCK 2009
http://linked.open...in/vavai/riv/obor	DH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Reliability Assessment of Anchoring Support in Underground Excavations Using Probabilistic Approach Protection of employees against rockbursts in gates and determining of measures in case of dangerous states being detected during driving and operating the gates in order to avoid the rockburst occurrence.
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Šňupárek, Richard Horyl, P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-05-19 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Fyzikální a environmentální projevy v litosféře indukované antropogenní činností
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	The University of Hongkong
https://schema.org/isbn	978-962-8014-17-0
is http://linked.open...avai/riv/vysledek of	Rockbolts as reinforcing elements under dynamic impact of rokbursts Rockbolts as reinforcing elements under dynamic impact of rokbursts Rockbolts as reinforcing elements under dynamic impact of rokbursts Rockbolts as reinforcing elements under dynamic impact of rokbursts

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