Results 21 to 30 of about 16,095 (267)

Self-regulating roof-bolting with the rock pressure energy use

open access: yesE3S Web of Conferences, 2018
The perspective of discovery of zonal disintegration phenomenon of rocks around underground mine workings is analyzed. The methodological stages for research of this phenomenon are shown.
Khomenko Oleh   +3 more
doaj   +1 more source

The Kinematic Analysis of the Screw Conveyor Vibration Exciter [PDF]

open access: yesMATEC Web of Conferences, 2019
The article presents a method of calculating the parameters of the screw conveyor vibration exciter. The calculation scheme of the new design of the vibration exciter, which allows to determine the parameters of the vibrations excited by this device ...
Kobylyansky Dmitriy, Gogolin Viacheslav
doaj   +1 more source

A modern vision of simulation modelling in mining and near mining activity

open access: yesE3S Web of Conferences, 2018
The paper represents the creation of the software simulation system, which reproduce the basic processes of mining and near production. It presents the consideration of such systems for both traditional and non-traditional mineral extraction systems. The
Dychkovskyi Roman   +4 more
doaj   +1 more source

Stabilizing effect of methylcellulose on the dispersion of multi-walled carbon nanotubes in cementitious composites

open access: yesNanotechnology Reviews, 2020
Multi-walled carbon nanotubes (MWCNTs) have been added in the plain cementitious materials to manufacture composites with the higher mechanical properties and smart behavior. The uniform distributions of MWCNTs is critical to obtain the desired enhancing
Du Mingrui   +4 more
doaj   +1 more source

Some aspects of modern vision for geoenergy usage [PDF]

open access: yesE3S Web of Conferences, 2019
The paper represents analysis, which have helped to determine tendencies of usage secondary and renewable resources by means of their utilization within the closed ecological complex while implementing integrated cogeneration systems belonging to various
Dychkovskyi Roman   +3 more
doaj   +1 more source

Study on Deformation Mechanism and Support Measures of Soft Surrounding Rock in Muzhailing Deep Tunnel

open access: yesAdvances in Civil Engineering, 2020
The deformation of Muzhailing deep tunnel is about 2.3 m in the process of construction, which is difficult to be controlled by the traditional “anchor-grouting integration” support system.
Zhigang Tao   +7 more
doaj   +1 more source

An Innovative Technology for Monitoring the Distribution of Abutment Stress in Longwall Mining

open access: yesEnergies, 2021
Fracturing roofs to maintain entry (FRME) is a novel longwall mining method, which has been widely used in China, leading a new mining revolution. In order to research the change law of side abutment pressure and movement law of overlying strata when ...
Zhibiao Guo   +4 more
doaj   +1 more source

Parameters of selective martite ores disintegration in structured ore bodies deposits by borehole hydraulic monitors

open access: yesE3S Web of Conferences, 2018
The work is aimed at determining parameters of advance borehole stoping by hydraulic monitors leading to rational use of reserves structured according to ore types at deposits by means of advance stoping with selective disintegration of high-grade ...
Stupnik Mykola   +2 more
doaj   +1 more source

Strata behaviour and stability control of the automatic roadway formation by roof cutting below a fault influenced longwall goaf

open access: yesScientific Reports, 2022
Automatic roadway formation by roof cutting (ARFRC) is a novel nonpillar mining method that has the potential to dramatically increase coal recovery while reducing the roadway excavation ratio.
Yubing Gao   +4 more
doaj   +1 more source

Study on Bidirectional Blasting Technology for Composite Sandstone Roof in Gob-Side Entry-Retaining Mining Method

open access: yesApplied Sciences, 2021
The traditional gob-side entry-retaining mining method has problems such as difficulty in roof collapse and large deformation of the entry, which may affect the safety of mine production.
Hainan Gao   +6 more
doaj   +1 more source

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