Utilization of matematical modelling for determination of optimum parametrs of stabilization of tunnel face and its forefield

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

Utilization of matematical modelling for determination of optimum parametrs of stabilization of tunnel face and its forefield

Popis výsledku v původním jazyce

Tunnel stability, which depends on many objective and subjective factors, are ofen solwed only on the assumption of plane stress-deformational state. This simplified assumption can be considered as objective only in the case, when the stability is beingresolved behind the tunnel face. After excavation, generally the primary state of plane-deformation on tunnel face and ahead of it changes into complex spatial (3D) stress-deformational characteristics as the face and the area ahead of it get deformed inthe transverse plane as well as in longitudinal axis of the tunnel. Without the adoption of appropriate stabilisation measures at the face, this qualitative change of state of stress and deformation Can lead to loss of face stability, particularly in les s strong rocks and eventually may lead to the los s of stability of the whole section of the tunnel. In case of tunnels at low depth, such emergency situation underground is further complicated by possible negative effect on the ground.

Název v anglickém jazyce

Utilization of matematical modelling for determination of optimum parametrs of stabilization of tunnel face and its forefield

Popis výsledku anglicky

Tunnel stability, which depends on many objective and subjective factors, are ofen solwed only on the assumption of plane stress-deformational state. This simplified assumption can be considered as objective only in the case, when the stability is beingresolved behind the tunnel face. After excavation, generally the primary state of plane-deformation on tunnel face and ahead of it changes into complex spatial (3D) stress-deformational characteristics as the face and the area ahead of it get deformed inthe transverse plane as well as in longitudinal axis of the tunnel. Without the adoption of appropriate stabilisation measures at the face, this qualitative change of state of stress and deformation Can lead to loss of face stability, particularly in les s strong rocks and eventually may lead to the los s of stability of the whole section of the tunnel. In case of tunnels at low depth, such emergency situation underground is further complicated by possible negative effect on the ground.

Druh

D - Stať ve sborníku

CEP obor

JM - Inženýrské stavitelství

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2003

Kód důvěrnosti údajů

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

Název statě ve sborníku

Gornictwo i geoinzynieria kwartalnik akademii gorniczo-hutniczej

ISBN

0138-0990

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

313-321

Název nakladatele

AGH

Místo vydání

Krakow

Místo konání akce

Krakow

Datum konání akce

18. 9. 2003

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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