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  • Digitale Medien  (2)
  • Numerical modelling  (1)
  • magnetic impurities  (1)
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  • Digitale Medien  (2)
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Design of tabular excavations in foliated rock: an integrated numerical modelling approach (1997)
    Springer
    Geotechnical and geological engineering 15 (1997), S. 47-85 
    Details
    ISSN: 1573-1529
    Schlagwort(e): Numerical modelling ; mine design ; tabular stopes ; anisotropy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie
    Notizen: Summary This paper presents a rock mechanics design methodology applicable to steeply dipping orebodies typical of many underground hardrock mines. The first stage in the design process is the characterization of the rock mass using bothin situ and laboratory data. The effects of anisotropy on rock mass behaviour are discussed with reference to laboratory and field observations. The second stage involves the use of a number of selected numerical modelling techniques to investigate ground response in the near-field rock mass surrounding the mining excavations. This study shows that the use of several numerical methods in conjunction, allowing for the advantages of each method to be maximized, provides a more comprehensive analysis of the different facets of stope design. This approach differs from those in the literature which seek to compare the different numerical methods in order to select just one method best suited for a problem. The design methodology employed emphasizes the importance of developing an understanding of ground deformation mechanisms as opposed to predicting absolute behaviour.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00881238
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Energy spectrum in the high T c oxides (1995)
    Springer
    Journal of superconductivity 8 (1995), S. 441-444 
    Details
    ISSN: 1572-9605
    Schlagwort(e): Gaplessness ; magnetic impurities ; penetration depth ; Hc2
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract The energy gap structure of the cuprates depends strongly on levels of doping. The stoichiometric compoundYBa 2 Cu 3 O 7 displays a peculiar two-gap structure. Oxygen depletion is accompanied by the transition to the gapless state, and this is manifested in various transport, electromagnetic, etc. properties of the material. The temperature dependence of the penetration depth correlates with oxygen content and is characterized by various power laws in an oxygen depleted sample. In other cuprates, overdoping leads to gaplessness and a peculiar dependence of Hc2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00722825
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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