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Evaluation of the impact of hydrostatic pressure and Lode angle on the strength of the rock mass based on the Hoek–Brown criterion

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EN
Abstrakty
EN
Determination of the global uniaxial compressive strength of rock mass on the basis of the Hoek–Brown failure criterion requires knowledge of the strength parameters: cohesion and the angle of internal friction. In the conventional method for the determination of these parameters given by Balmer, they are expressed by the minimum principal stress. Thus, this method does not allow for the assessment of an impact of hydrostatic pressure and stress path on the value of cohesion, friction angle and global uniaxial compression of rock mass. This problem can be eliminated by using the Hoek–Brown criterion expressed by the invariants of the stress state. The influence of hydrostatic pressure and the Lode angle on the strength parameters of the rock mass was analysed.
Rocznik
Strony
85--91
Opis fizyczny
Bibliogr. 16 poz., rys.
Twórcy
autor
  • Mechanical Faculty, Lublin University of Technology, ul. Nadbystrzycka 36, 20-618 Lublin, Poland
Bibliografia
  • [1] BALMER G., A general analytical solution for Mohr’s envelope, American Society of Testing Materials, 1952, 1260–1271.
  • [2] BRADY B.H.G., BROWN E.T., Rock Mechanics, 2nd ed., Chapman & Hall, London, 1993.
  • [3] CHEN W.F., HAN D.J., Plasticity for Structural Engineers, J. Ross Publishing, New York, 2007.
  • [4] DUFFY S.F., Modeling Stress Strain Relationships and Predicting Failure Probabilities for Graphite Core Components, Project No. 09-838, Cleveland State University, Ohio, 2013.
  • [5] HOEK E., BROWN E.T., Empirical strength criterion for rock masses, Journal of Geotechnical Engineering Division, ASCE 106(GT9) 1980, 1013–1035.
  • [6] HOEK E., BROWN E.T., Practical estimates of rock mass strength, International Journal of Rock Mechanics and Mining Sciences, 1997, Vol. 34, No. 8, 1165–1186.
  • [7] HOEK E., Rock mass properties for underground mines, [in:] W.A. Hustrulid, R.L. Bullock (eds.), Underground Mining Methods: Engineering Fundamentals and International Case Studies, Littleton, Colorado: Society for Mining, Metallurgy, and Exploration (SME), 2001.
  • [8] HOEK E., CARRNZA-TORRES C., CORKUM B., Hoek–Brown failure criterion – 2002 edition, Proc. NARMS-TAC Conference, Toronto, 2002, 267–273.
  • [9] IZBICKI R.J., MRÓZ Z., Metody nośności granicznej w mechanice gruntów i skał, PWN, Warszawa, 1976.
  • [10] KONDERLA P., Metoda elementów skończonych, teoria i zastosowania, Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław, 2007.
  • [11] KWAŚNIEWSKI M., Zachowanie się skał izo- i anizotropowych w warunkach trójosiowego ściskania, Zeszyty Naukowe Politechniki Śląskiej seria Górnictwo zeszyt 247. Wydawnictwo Politechniki Śląskiej, Gliwice, 2002.
  • [12] LEE Y.-K., CHOI B.-H., Equivalent Friction Angle and Cohesion of the Generalized Hoek-Brown Failure Criterion in terms of Stress Invariants, Tunnelling and Underground Space, 2010, Vol. 22, No. 6, 462–470.
  • [13] MOGI K., Effect of the triaxial stress system on fracture and flow of rock, Physics of the Earth and Planetary Interiors, 1972, Vol. 5, 318–324.
  • [14] MOGI K., Flow and fracture of rocks under general triaxial compression, Proc. 4th Int. Congr. on Rock Mechanics, Montreux, Balkema, Rotterdam, 1979, Vol. 3, 123–130.
  • [15] NAYAK G.C., ZIENKIEWICZ O.C., Convenient forms of stress invariants for plasticity, Proceedings of the ASCE Journal of the Structural Division, 1972, Vol. 98, No. ST4, 949–954.
  • [16] PATERSON M.S., Experimental rock deformation – the brittle field, Springer-Verlag, Berlin–Heidelberg–New York, 1978.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-ab463be9-3865-496c-acd1-b7f2011bdde5
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