Influence of stress on the permeability of coal and sedimentary rocks of the Upper Silesian Basin

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68145535%3A_____%2F11%3A00359914" target="_blank" >RIV/68145535:_____/11:00359914 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S1365160910002194" target="_blank" >http://www.sciencedirect.com/science/article/pii/S1365160910002194</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ijrmms.2010.11.017" target="_blank" >10.1016/j.ijrmms.2010.11.017</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Influence of stress on the permeability of coal and sedimentary rocks of the Upper Silesian Basin

Popis výsledku v původním jazyce

The results of measurement of permeability in triaxial state of stress of sedimentary rocks and coal of the Upper Silesian basin is presented in this paper. The study of influence of stress on the permeability was performed by two methods. Permeability measurement during the increase of hydrostatic pressure and study of permeability changes due to the increase of axial stress. The cylindric tested specimens of sedimentary rocks and coal was used for laboratory experiments, the nitrogen was used as a reference gas. The experimental results of the measurement of more than 100 specimens showed that increasing of the hydrostatic pressure affect the pore medium by closing of the pores and cracks and by the decrease of the permeability. The presence and rising of the cracks and fractures in the process of failure multiply the filtration ability of the tested specimens. Therefore the permeability change is one of the very sensitive methods for the observation of the deformation process during

Název v anglickém jazyce

Influence of stress on the permeability of coal and sedimentary rocks of the Upper Silesian Basin

Popis výsledku anglicky

The results of measurement of permeability in triaxial state of stress of sedimentary rocks and coal of the Upper Silesian basin is presented in this paper. The study of influence of stress on the permeability was performed by two methods. Permeability measurement during the increase of hydrostatic pressure and study of permeability changes due to the increase of axial stress. The cylindric tested specimens of sedimentary rocks and coal was used for laboratory experiments, the nitrogen was used as a reference gas. The experimental results of the measurement of more than 100 specimens showed that increasing of the hydrostatic pressure affect the pore medium by closing of the pores and cracks and by the decrease of the permeability. The presence and rising of the cracks and fractures in the process of failure multiply the filtration ability of the tested specimens. Therefore the permeability change is one of the very sensitive methods for the observation of the deformation process during

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DH - Báňský průmysl včetně těžby a zpracování uhlí

OECD FORD obor

—

Projekt

—

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

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

Název periodika

International Journal of Rock Mechanics and Mining Sciences

ISSN

1365-1609

e-ISSN

—

Svazek periodika

48

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

347-352

Kód UT WoS článku

000286980600016

EID výsledku v databázi Scopus

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