The choice of the site for inclined shaft and parameters of its stage-by-stage construction in the conditions of the Tersinsky coal region

Voloshin, V A; Rib, S. V.; Petrova, Olga A.; Belyaev, A V

doi:10.1088/1755-1315/206/1/012009

Cited by 3 publications

(2 citation statements)

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“…The basis for the creation of a new technology for eliminating sinkholes of the earth's surface with the justification of its design and technological characteristics in order to eliminate the consequences of the impact of coal mine eliminations on the environment based on the use of watered material was the full-scale study of sinkholes over mine workings that open under the influence of the activation of displacement of moisture-filled rocks [11][12][13]. For the purposes of the study, the sample was carried out taking into account the following conditions: the location of the observed objects on land allotments filled with water-filled filling material; permanent or seasonal increase in the level of underground water at the studied objects by more than 2 meters; selection of land plots that are https://doi.org/10.1051/e3sconf /202131501007 E3S Web of Conferences 315, 01007 (2021) VI th International Innovative Mining Symposium maximally deformed by the mining operations carried out on them.…”

Section: Resultsmentioning

confidence: 99%

Improvement of Technological Approaches to the Use of a Combined Method for Eliminating Sinkholes over Mining Workings

Tyuleneva

Khamidullina

2021

E3S Web Conf.

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Analysis of projects for the elimination of open-pit mine workings in Russia has shown that most accidents associated with damage to the earth's surface are caused by critical values of rock pressure in empty spaces, a decrease in the bearing capacity of supports or their absence, as well as loss of stability of support structures. Rapid removal of the generated sinkholes does not always provide positive results, since often the material for filling them is burnt rock, and it was used without studying the properties of the earth's surface, where it is laid. This circumstance leads to the fact that the dips are re-activated. In this regard, the justification of the parameters of the method of eliminating sinkholes is an urgent scientific and practical task. The problem of stability of the abandoned mine workings, as well as geomechanical and environmental safety in the places where they are located, can only be solved using a systematic approach, which involves solving a set of issues to minimize the impact of each factor in the formation of sinkholes both in space and in time. The article describes the approaches to determining the technological parameters of the combined method of eliminating the sinkholes of mine workings, applied taking into account the geological characteristics of rocks and the mining and technical conditions of their location, the use of which will provide a reasonable calculation of the complex of engineering indicators for guaranteed removal.

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Section: Resultsmentioning

confidence: 99%

Improvement of Technological Approaches to the Use of a Combined Method for Eliminating Sinkholes over Mining Workings

Tyuleneva

Khamidullina

2021

E3S Web Conf.

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“…2 inclined shaft of the Bulianta coal mine in China, which has important engineering significance for evaluating structural safety [22]. Voloshin et al conducted a feasibility study on the choice of slant shaft construction technology in coal mines in the Tersinsky geological and economic region of Kuzbass [23]. Zevgolis et al performed geotechnical characterization of the drainage field under optimal ground use and better stability conditions [24].…”

Section: Introductionmentioning

confidence: 99%

Monitoring and Analysis of Dynamic Response for Open-Pit Mine with Inside Inclined Shafts under Train Loading

Wang

Yang³

et al. 2021

Metals

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The stability of open-pit mining is a hot issue in geotechnical engineering. A mining railroad is in operation on the slope where the east exhaust inclined shaft and the east sand injection inclined shaft on the Laohutai Mine are located, and it was necessary to determine whether railroad vibration would have an impact on the safety of the inclined shafts. With this project as the background, the dynamic response of the slope with inside two inclined shafts was conducted under train loading. A three-dimensional numerical model by using PLAXIS 3D was established to analyze the stability of the slope. The results show that the dynamic reaction caused by the full-loaded train is significantly greater than the no-load train. The safety factor of the slope under the dynamic load is 1.201, and the maximum displacement of the slope which occurred in the gravel layer directly beneath the train track is about 5 mm. The acceleration responses of the two inclined shafts are almost consistent. The maximum horizontal and vertical acceleration occur at the epidote weak layer. The acceleration directly below the load increases significantly. Therefore, it can be considered that the slopes are stable under the action of train vibration, and the influence on the two inclined shafts is small and negligible.

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Study of the expanded clay sand uses in surface and underground mine construction

2021

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The possibility of using expanded clay sand in surface and underground mine construction is considered in the article. As a result of the research, the material properties were studied, its uses were determined. The research has experimentally proven that expanded clay sand can be used as a base for concretes and mortars, which are suitable for mine construction by their properties. In the course of the research, samples of various compositions were made; the structure of the material is shown. Samples were tested to determine several physical and mechanical properties. Based on the experimental data, it was concluded that expanded clay sand can be used for mine construction projects, providing strength and heat performance of structures.

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The choice of the site for inclined shaft and parameters of its stage-by-stage construction in the conditions of the Tersinsky coal region

Cited by 3 publications

References 0 publications

Improvement of Technological Approaches to the Use of a Combined Method for Eliminating Sinkholes over Mining Workings

Improvement of Technological Approaches to the Use of a Combined Method for Eliminating Sinkholes over Mining Workings

Monitoring and Analysis of Dynamic Response for Open-Pit Mine with Inside Inclined Shafts under Train Loading

Study of the expanded clay sand uses in surface and underground mine construction

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