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Statements

Subject Item
n2:RIV%2F00216305%3A26110%2F07%3APU70598%21RIV08-MSM-26110___
rdf:type
skos:Concept n22:Vysledek
dcterms:description
The results of parametric analysis on influence of discontinuities orientation on the response of rock mass during driving an underground structure in the direction of discontinuity planes are presented in the contribution. Three typical alternatives were considered: the underground structure in rock mass with one-sided dip of discontinuities, the underground structure situated in synclinal bend and the underground structure situated in anticlinal bend. In all three cases, the variability of discontinuities dip angle in the range of 0 - 90 o was considered. Mathematical models were used for the analysis by Finite Element Method using software Plaxis. Mathematical models were planar - plane strain. Rock Jointed model was used to simulate mechanical behaviour of the rock environment. The underground structure is driven in full -face with no lining. All the analysed alternatives are compared to one another considering the vertical displacement at the top of the underground structure and maximum vertical The results of parametric analysis on influence of discontinuities orientation on the response of rock mass during driving an underground structure in the direction of discontinuity planes are presented in the contribution. Three typical alternatives were considered: the underground structure in rock mass with one-sided dip of discontinuities, the underground structure situated in synclinal bend and the underground structure situated in anticlinal bend. In all three cases, the variability of discontinuities dip angle in the range of 0 - 90 o was considered. Mathematical models were used for the analysis by Finite Element Method using software Plaxis. Mathematical models were planar - plane strain. Rock Jointed model was used to simulate mechanical behaviour of the rock environment. The underground structure is driven in full -face with no lining. All the analysed alternatives are compared to one another considering the vertical displacement at the top of the underground structure and maximum vertical V příspěvku jsou presentovány výsledky parametrické studie vlivu orientace ploch nespojitosti na odezvu horninového masivu při ražbě podzemního díla ve směru ploch nespojitosti. Řešeny byly tři modelové varianty: podzemní dílo v horninovém masivu s jednostranným sklonem ploch nespojitosti, podzemní dílo umístěné v synklinálním ohybu a podzemní dílo v antyklinálním ohybu. V rámci těchto variant byl variabilně uvažován různý úhel sklonu ploch nespojitosti v rozsahu 0 až 90 stupňů. Studie byla provedena na matematických modelech metodou konečných prvků s využitím programu Plaxis. Matematické modely byly rovinné - rovinná deformace. K simulaci mechanického chování horninového prostředí byl použit Rock Jointed model. Podzemní dílo je raženo na plný profil a není zajišťováno ostěním. Řešené varianty jsou porovnávány na základě svislého posunu ve vrcholu podzemního díla a maximálního svislého posunu povrchu terénu. Z prezentov
dcterms:title
Underground structure in discontinuous rock mass Underground structure in discontinuous rock mass Podzemní stavba v nespojitém horninovém masivu
skos:prefLabel
Underground structure in discontinuous rock mass Podzemní stavba v nespojitém horninovém masivu Underground structure in discontinuous rock mass
skos:notation
RIV/00216305:26110/07:PU70598!RIV08-MSM-26110___
n3:strany
66-74
n3:aktivita
n12:P n12:Z
n3:aktivity
P(GP103/07/P323), Z(MSM0021630519)
n3:dodaniDat
n8:2008
n3:domaciTvurceVysledku
n15:6692974
n3:druhVysledku
n16:D
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
456588
n3:idVysledku
RIV/00216305:26110/07:PU70598
n3:jazykVysledku
n19:eng
n3:klicovaSlova
underground structure, discontinuities, mathematical simulation
n3:klicoveSlovo
n5:mathematical%20simulation n5:underground%20structure n5:discontinuities
n3:kontrolniKodProRIV
[C4ED88318F9D]
n3:mistoKonaniAkce
Iasi
n3:mistoVydani
Iasi, Rumunsko
n3:nazevZdroje
Proceeedings of the Fifth International Symposium %22Compunational Civil Engineering 2007%22
n3:obor
n20:JN
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:projekt
n4:GP103%2F07%2FP323
n3:rokUplatneniVysledku
n8:2007
n3:tvurceVysledku
Boštík, Jiří
n3:typAkce
n17:EUR
n3:zahajeniAkce
2007-05-25+02:00
n3:zamer
n14:MSM0021630519
s:numberOfPages
9
n13:hasPublisher
Editura Societatii Academice Matei - Teiu Botez
n11:isbn
978-973-8955-14-1
n21:organizacniJednotka
26110