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ABOUT REALITY FRACTURE COAL ROCK MASS DURING UNLOADING

Authors: Chepiha, Daria Anatoliivna; Liashok, Iaroslav; Iordanov, Igor; Podkopaiev, Serhii Viktorovych; Simonova, Iuliia;

ABOUT REALITY FRACTURE COAL ROCK MASS DURING UNLOADING

Abstract

В результате выполненных экспериментальных исследований было установлено, что реальным является разрушение породного массива не только при росте его напряженности, но и в результате разгрузки. При этом необходимо учитывать свойства горных пород и фактор времени. Реологические свойства осадочных горных пород необходимо учитывать при разработке мероприятий, направленных на повышение безопасности работ, для прогнозирования обрушений и обвалов боковых пород при эксплуатации горных выработок на современных глубинах разработки угольных пластов.

В результаті виконаних експериментальних досліджень було встановлено, що реальним є руйнування породного масиву не тільки в результаті зростання напруженості масиву, але і при його схильності до розшарування. При цьому необхідно враховувати вологість гірських порід і фактор часу. Реологічні властивості осадових гірських порід після їх розвантаження, необхідно враховувати при розробці заходів, спрямованих на підвищення безпеки робіт.

Destruction of the rock mass is due to the growth of solid strength and its tendency to delamination was found as a result performed experimental studies. It should be borne moisture rocks and time factor. The development of measures to improve work safety the rheological properties of sedimentary rocks after they download should be considered.

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Keywords

вуглепородний масив; керн; деформація гірських порід; ультразвукові хвилі; тривісне стиснення., coal-and-rock mass; core-sample; rock deformation; ultrasonic waves; triaxial compression, углепородный масив; керн; деформирование горных пород; ультразвуковые волны; трехосное сжатие.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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