Now showing items 1-7 of 7

    • Experimental research on the haulage drifts stability in steeply dipping seams 

      Iordanov, Ihor; Buleha, Ihor; Bachurina, Yaroslava; Boichenko, Hennadii; Dovgal, Vitaliy; Kayun, Oleksiy; Kohtieva, Olha; Podkopayev, Yevgen (Dnipro University of Technology, 2021-12-30)
      Purpose. Substantiation of the conditions for haulage drifts stability using different protection methods in steeply dipping seams based on a set of experimental studies. Methods. To achieve the purpose set, mine ...
    • Gravitational and tectonic stresses in the rock mass and their determination by measurements in separate points 

      Olovyannyy, A (National Mining University, 2017-09-30)
      Purpose. Stress state in rock mass is the most important factor affecting processes around mine working. The methods used for calculation of stresses based on hypotheses of elastic thrust, hydrostatic state or spherical ...
    • Laboratory studies of a high-strength roof bolting by means of self-extending mixtures 

      Sakhno, I; Sakhno, S; Isaienkov, O; Kurdiumow, D (National Mining University, 2019-06-30)
      Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods. The research, concerning ...
    • Local reinforcing of footing supported in the destroyed rock massif 

      Sakhno, I; Isayenkov, O; Rodzin, S (National Mining University, 2017-03-30)
      Purpose. Justification of feasibility of non-explosive destruction of hard rock during in-seam workings based on the obtained dependences related to changes of physical and mechanical properties of non-explosive destructive ...
    • Numerical experiments concerning long-term deformation of rock samples 

      Olovyannyy, A; Chantsev, V (National Mining University, 2019-12-30)
      Purpose is to develop modeling methods of long-term rock sample deformation and failure under various loading conditions with the help of finite-element method of failure rock modeling (DESTROCK-FE). Methods. DESTROCK-FE ...
    • Studies of new nonadhesive anchoring 

      Sakhno, I; Sakhno, S; Kurdiumow, D; Shvets, I (National Mining University, 2018-06-30)
      Purpose is to develop anchoring with nonadhesive high-strength roof bolting in terms of large pre-destructive deformations and its testing under laboratory conditions. Methods. Laboratory studies of hydration hardening ...
    • Technical and technological aspects of the coal mine closure based on the geomechanical component assessment 

      Barabash, Mykhailo; Salieiev, Ildar; Symanovych, Hennadii (Dnipro University of Technology, 2021-09-30)
      Purpose. Development of a comprehensive methodology for assessing the state of mine workings based on the analysis of their contour displacement patterns when solving the problem of minimizing the risks during the closure ...