Proceedings Vol. 14 (2008)
ENGINEERING MECHANICS 2008
May 12 – 15, 2008, Svratka, Czech Republic
Copyright © 2008 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 142 - +4p., full text
For last 30 years was dilatometer used for evaluation of deformation characteristics of rock massif. Dilatometric measurement is frequently used for very deep boreholes, where together with stress measurements using hydraulic fracturing plays key role in assessment of the environment. New formula for interpretation of data obtained from dilatometer was recently introduced, following the idea of influence zone. This paper focus on numerical back analysis of data from deep borehole from Brenner base tunnel. And the aim is to compare results from numerical modelling and from results obtained by analytically derived formulas. The conclusions underline the necessity of inclusion of the influence zone to the formulas for evaluation of massif characteristics.
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