Observed and calculated gravity anomalies above a tunnel driven in clays - implication for errors in gravity interpretation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F13%3A10174010" target="_blank" >RIV/00216208:11310/13:10174010 - isvavai.cz</a>
Result on the web
<a href="http://www.earthdoc.org/publication/publicationdetails/?publication=71385" target="_blank" >http://www.earthdoc.org/publication/publicationdetails/?publication=71385</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Observed and calculated gravity anomalies above a tunnel driven in clays - implication for errors in gravity interpretation
Original language description
The aim of this work was to evaluate the gravity effect of a deformation zone, which forms around subsurface cavities and to assess which method of density determination of soils in the surveyed area is optimal. We measured and modelled a gravity anomalyabove a tunnel excavated in stiff clays. Technical parameters of the tunnel were known. The shape of the deformation zone around the tunnel was determined by geotechnical modelling. Material parameters of clays necessary for the geotechnical model wereobtained from a measurement of borehole samples in a soil mechanics laboratory. For calculation of the gravity anomaly of the tunnel we used densities of clays derived from laboratory measurements of borehole samples. However, the fit between observed and calculated gravity data was not accurate in this case. The reason was probably that the volume and water content in the borehole clay samples changed after their removal from the depth. A better fit was obtained when we used densities d
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DB - Geology and mineralogy
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Near Surface Geophysics
ISSN
1569-4445
e-ISSN
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Volume of the periodical
11
Issue of the periodical within the volume
5
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
569-578
UT code for WoS article
000325784100009
EID of the result in the Scopus database
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