Seismic effect of destress rock blasting

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Seismic effect of destress rock blasting

Popis výsledku v původním jazyce

Destress rock blasting in adjacent rocks belongs to the most important rockburst hazard measure in Czech part of Upper Silesian Coal Basin (USCB). The main goal of that measure is disintegration of competent rock in overlaying strata (sandstones and conglomerates) and stress release in rock massif. Release of high energy concentrated in rock massif is very important too. Quantity of released energy is evaluated due to seismic effect. The usual method of evaluation of release effect based on seismic monitoring data is described in the paper. It is calculated as a ratio of registered seismic energy to theoretic energy released by explosive during blasting. Contemporary system of seismic effect evaluation is discussed in the paper. Paper presents some results of new data analysis obtained from seismological monitoring in this region in period from 2000 to 2008 too. On the basis of analyzed data (about 900 seismic events) a new system of release effect evaluation is proposed and a plan of

Název v anglickém jazyce

Seismic effect of destress rock blasting

Popis výsledku anglicky

Destress rock blasting in adjacent rocks belongs to the most important rockburst hazard measure in Czech part of Upper Silesian Coal Basin (USCB). The main goal of that measure is disintegration of competent rock in overlaying strata (sandstones and conglomerates) and stress release in rock massif. Release of high energy concentrated in rock massif is very important too. Quantity of released energy is evaluated due to seismic effect. The usual method of evaluation of release effect based on seismic monitoring data is described in the paper. It is calculated as a ratio of registered seismic energy to theoretic energy released by explosive during blasting. Contemporary system of seismic effect evaluation is discussed in the paper. Paper presents some results of new data analysis obtained from seismological monitoring in this region in period from 2000 to 2008 too. On the basis of analyzed data (about 900 seismic events) a new system of release effect evaluation is proposed and a plan of

Druh

D - Stať ve sborníku

CEP obor

DH - Báňský průmysl včetně těžby a zpracování uhlí

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Górnicze zagrozenia naturalne 2009 /16./

ISBN

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ISSN

1643-7608

e-ISSN

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Počet stran výsledku

10

Strana od-do

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Název nakladatele

Glowny Instytut Górnictwa

Místo vydání

Katowice

Místo konání akce

Andrzychów

Datum konání akce

3. 11. 2009

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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