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Description
  • Construction of underground structures causes imminent stress-strain field redistribution in the vicinity of the excavation. For shallow tunnels, this redistribution reaches the terrain surface and causes so called subsidence trough. The deformation field can have unacceptable consequences for the surface development, nearby underground structures, and its development is crucial for safe and economic construction of the tunnel lining. For this reason, it is necessary to draw-up a theory enabling prediction of the deformation field development depending on the changes of the stress field changes in the vicinity of the tunnel excavation and face while considering the time factor in various types of ground environment and to improve the methodology of metering results evaluation.Furthermore, it is necessary to prepare theoretic groundwork for formulation of principles of so called alert states and criteria for their assessment while considering the rheological properties of the grounds.The project will comprise a combination of mathematic modeling methods with measurement of the deformation field development; theory of analysis of time stresses variations and deformations of  structures affected by underground activities will also be developed.  (en)
  • Vypracování teorie predikce vývoje pole přetvoření v závislosti na změnách pole napětí okolo výrubu a čelby tunelu se zohledněním času v různých typech horninového prostředí a zdokonalení metodiku vyhodnocování výsledků měření. Vypracování metodiky pro statickou analýzu ražbou ovlivněných objektů.
Title
  • Structures affected by underground activity-prediction of development of stresses, deformation and damage (en)
  • Stavební konstrukce ovlivněné podzemní činností-predikce vývoje namáhání, přetvoření a porušení
skos:notation
  • GA103/09/2016
http://linked.open...avai/cep/aktivita
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  • geotechnika, pole napětí, reologie, dotvarování betonu, poruchy (en)
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  • The project gone according to plan both in terms of expertise and in terms of disbursement of funds. (en)
  • Řešení projektu proběhlo podle plánu jak z hlediska odborného tak i z hlediska čerpání finančních prostředků. (cs)
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  • dotvarování betonu
  • pole napětí
  • reologie
  • geotechnika
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