Purpose. The article aims to substantiate efficient parameters of resource-saving technological processes ensuring optimal environmental and economic indices of concrete mixtures transportation under the force mode and ...

Purpose. Compliance of statutory and regulatory requirements as for mineral mining, made while subsurface using, mines inspectorating, bringing to responsibility, and creating prerequisites for providing legal guarantees ...

Purpose. This paper presents the result of the research carried out on the effect of increasing temperature and stresses with depth of mining on the stability of stope within the Bushveld Igneous Complex (BIC), where the ...

Purpose. To solve the task of assessing the components of the guaranteed atmosphere air quality PMPj, PMP depending the maximum pollutant concentrations for a point source of emissions at the stage of designing in various ...

Purpose. Study of physical properties such as porosity, density and mechanical properties such as compressive strength and tensile strength of Egyptian limestone based on experimental investigations. Methods. In this paper ...

Purpose. The substantiation of accounting the deformation-strength characteristics of the collapsed rocks and the rocks consolidating near the reusable preparatory mine working of the mined-out space to optimize the loading ...

Purpose. This article discusses how to choose the optimal number and load factor, respectively the economic power in the first year of mining power transformers operation. The analysis is carried out based on technical-economic ...

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 ...

Purpose. To substantiate the advantages of using a multi-level externally insulated complex of magneto-thermal dewaxing which is located in the oil well and improves production of the formation fluid with high content of ...

Purpose. To study basic principles and conditions of the efficiency of the system to redistribute mineral extraction revenue including the countries with lower levels of welfare. Methods. The research applies a method of ...