About: Investigation of ground velocities during rockbursts

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper presents partial results of the ground velocities analysis which were observed during the rockbursts at three underground seismological stations situated in the Ostrava-Karviná coal mines. For the investigation records of 49 rockbursts were used, energy of which was within the range of 103 - 107 J and hypocentral distances varied from 500 to 6900 m. Using the method of linear regression, dependences for ground velocity ui vs. scaled distance rred for P and S waves were derived which were expressed by following equations: Pmax -waves ui = 1.243x10-4 * rred-1.016 (m.s-1) Smax -waves ui = 5.167x10-4 * rred-1.185 (m.s-1) interrelations between individual parameters, i.e. ground velocity, hypocentral distance and seismic energy a nomogram was constructed. From experimental measurements implies that prevailing frequencies of P and S waves occur within the frequency bands of about 3 - 12 Hz and 2 - 6Hz, respectively. This paper presents partial results of the ground velocities analysis which were observed during the rockbursts at three underground seismological stations situated in the Ostrava-Karviná coal mines. For the investigation records of 49 rockbursts were used, energy of which was within the range of 103 - 107 J and hypocentral distances varied from 500 to 6900 m. Using the method of linear regression, dependences for ground velocity ui vs. scaled distance rred for P and S waves were derived which were expressed by following equations: Pmax -waves ui = 1.243x10-4 * rred-1.016 (m.s-1) Smax -waves ui = 5.167x10-4 * rred-1.185 (m.s-1) interrelations between individual parameters, i.e. ground velocity, hypocentral distance and seismic energy a nomogram was constructed. From experimental measurements implies that prevailing frequencies of P and S waves occur within the frequency bands of about 3 - 12 Hz and 2 - 6Hz, respectively. (en)
Title	Investigation of ground velocities during rockbursts Investigation of ground velocities during rockbursts (en)
skos:prefLabel	Investigation of ground velocities during rockbursts Investigation of ground velocities during rockbursts (en)
skos:notation	RIV/61989100:27350/03:00009108!RIV/2004/GA0/273504/N
http://linked.open.../vavai/riv/strany	15 - 20
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA105/01/0042)
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Petroš, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Hornicko-geologická fakulta
http://linked.open...dnocenehoVysledku	611163
http://linked.open...ai/riv/idVysledku	RIV/61989100:27350/03:00009108
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ostrava-Karviná Coal Basin, seismological monitoring, rockburst, ground velocity (en)
http://linked.open.../riv/klicoveSlovo	Ostrava-Karviná Coal Basin rockburst seismological monitoring ground velocity
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[5E61C10F2BDD]
http://linked.open...i/riv/nazevZdroje	Acta Montana, ser. A, No. 22 (129), 2003
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...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Research on the stress-deformation behaviour of rocks at dynamic stress
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	Neuveden
http://linked.open...iv/tvurceVysledku	Petroš, Vladimír Holub, K.
issn	1211-1910
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	27350

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