Перегляд Mining of Mineral Deposits по темі "stresses"
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Choice and substantiation of stable crown shapes in deep-level iron ore mining
(National Mining University, 2018-12-30)Purpose. The aim of the paper is to select and substantiate stable shapes of crown pillars through determining regularities of rock pressure impacts on their stability depending on the crown shapes, mining depths and iron ... -
Laboratory studies of a high-strength roof bolting by means of self-extending mixtures
(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 ... -
Numerical methods of geomechanics tasks solution during coal deposits’ development
(National Mining University, 2016-09-30)Purpose. Generalization of numerical modeling of geomechanical processes in the vicinity of mine workings by finite elements method and making recommendations for substantiation of suitable construction and behavior of ... -
State analysis of overworked and underworked parting between contiguous seams and during their simultaneous top-down mining
(National Mining University, 2016-06-30)Purpose. Investigating conditions of conducting and maintaining excavation works during mining of seam . Evaluating probability of parting rocks stability loss in terms of top-down mining of two contiguous seams in a ...