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Behaviour of Multicomponent Geomaterials: Pilot Experimental Study in Rock Mechanics

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    0479528 - GLÚ 2018 RIV NL eng C - Conference Paper (international conference)
    Krmíček, Lukáš - Horák, V. - Kuboušková, S. - Petružálek, Matěj
    Behaviour of Multicomponent Geomaterials: Pilot Experimental Study in Rock Mechanics.
    Procedia Engineering - ISRM European Rock Mechanics Symposium EUROCK 2017. Amsterdam: Elsevier Ltd., 2017 - (Koníček, P.; Souček, K.; Konečný, P.), s. 31-35. 191. ISSN 1877-7058.
    [ISRM European Rock Mechanics Symposium EUROCK 2017. Ostrava (CZ), 20.06.2017-23.06.2017]
    Institutional support: RVO:67985831
    Keywords : rock mechanics * enclave-granitoid system * enclave-syenitoid system * rebound hardness * uniaxial compressive strength * rock tensile strength
    OECD category: Geology

    Rock massifs traditionally used for the construction of foundations, tunnels or as a source of crushed stone, frequently contain compositionally (texturally, mineralogically, geochemically) contrasting inclusions – xenoliths. The presence of xenoliths is a commonly overlooked fact which may, however, significantly affect the total strength of the massifs. The most frequent xenoliths in igneous massifs are mafic microgranular enclaves occurring as ellipsoidal inclusions with the size varying from centimetre to metre scales in the host rocks. Our pilot experimental study brings a complex assessment of strength properties (e.g., rebound hardness, uniaxial compressive strength, rock tensile strength) of multicomponent geomaterials, i.e., host-rocks and their enclaves, sampled both from quartz-rich (granitoid) and quartz-poor (syenitoid) massifs.
    Permanent Link: http://hdl.handle.net/11104/0275517

     
     
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