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Concerning the capability of monitoring the condition of coal bed by tomography based upon the representation of object model using Chebyshev polynomials
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SYSNO ASEP 0502669 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Concerning the capability of monitoring the condition of coal bed by tomography based upon the representation of object model using Chebyshev polynomials Author(s) Nazarova, L. (RU)
Nazarov, L. (RU)
Protasov, M. (RU)
Panov, A. (RU)
Koníček, Petr (UGN-S) RID, ORCIDNumber of authors 5 Article number 01016 Source Title E3S Web of Conferences. - Les Ulis : EDP Sciences, 2018 Number of pages 6 s. Publication form Online - E Action International Scientific Conference Problems of Complex Development of Georesources /7./ - PCDG 2018 Event date 25.09.2018 - 28.09.2018 VEvent location Khabarovsk Country RU - Russian Federation Event type WRD Language eng - English Country FR - France Keywords coal-rock massif ; 3D model ; tomography, Chebyshev polynomials, stress field reconstruction Subject RIV DH - Mining, incl. Coal Mining OECD category Mining and mineral processing Institutional support UGN-S - RVO:68145535 DOI 10.1051/e3sconf/20185601016 Annotation 3D geomechanical model of “Vorkutinskaia” mine, which allowed describing the development of stressed and deformed state of coal bed rock mass, has been developed and realized in numbers. Using empirical dependences of longitudinal waves velocity V on mean stressσ established by laboratory testing data, 3D distribution of V has been plotted. First arrival time tomography task, based upon the approximation of a bed geometrical model by Chebyshev polynomials, in order to give appraisal to the applicability for bed velocity structure reconstruction, has been analysed. With the use of data on dynamic events, registered by permanent stations, the object tomography has been prepared and 3D field of elastic waves velocities in highlighted part of area under study. It enables essential opportunity of stress state, if functions V (σ) for rocks building up the massif are known. Workplace Institute of Geonics Contact Lucie Gurková, lucie.gurkova@ugn.cas.cz, Tel.: 596 979 354 Year of Publishing 2019 Electronic address https://www.e3s-conferences.org/articles/e3sconf/pdf/2018/31/e3sconf_pcdg2018_01016.pdf
Number of the records: 1