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Akademický článek

Analysis and prevention of influencing factors of face end roof falling under repeated mining of short-distance coal seam group

Autor: LI Qiang, WU Guiyi, KONG Dezhong

Publikováno v: Gong-kuang zidonghua, Vol 47, Iss 8, Pp 41-49 (2021)

The existing researches on face end roof falling are mostly focused on single coal seam, while the stability of the face end roof under short-distance coal seam group mining is different from that of a single coal seam. In the process of short-distan

Externí odkaz: https://doaj.org/article/a70e60f1c62a4cbd9094ab1f1a557f4d

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Akademický článek

Coal and gas outburst features in Guizhou mining areas and its prevention countermeasures

Autor: KONG Que, WU Guiyi, ZHONG Feng, CHEN Jiming

Publikováno v: Gong-kuang zidonghua, Vol 42, Iss 2, Pp 22-26 (2016)

With collection and analysis of outburst indexs in 381 mines and 695 seams and 214 coal and gas outburst accidents occurred in 120 mines in Guizhou mining areas, a study on coal and gas outburst index distribution features and outburst features in Gu

Externí odkaz: https://doaj.org/article/e7fc3334aeb6435a80369f009be7f76e

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Akademický článek

Mine pressure monitoring and data analysis of Shanjiaoshu Coal Mine

Autor: ZHANG Yaoqiu, WU Guiyi, ZU Ziyin

Publikováno v: Gong-kuang zidonghua, Vol 42, Iss 1, Pp 60-63 (2016)

The paper introduced general situation of a coal face in Shanjiaoshu Coal Mine and its mine pressure monitoring purpose, content and problems that need attention, and gave a scheme of mine pressure monitoring, collected and analyzed mine pressure dat

Externí odkaz: https://doaj.org/article/557df762265140318a99a0bb94563aec

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Akademický článek

Residual stress redistribution during elastic shake down in welded plates

Autor: Chukkan Jazeel R., Wu Guiyi, Fitzpatrick Michael E., Eren Elvin, Zhang Xiang, Kelleher Joe

Publikováno v: MATEC Web of Conferences, Vol 165, p 21004 (2018)

Residual stresses are a consequence of welding in various structures such as ships and offshore structures. Residual stresses can be relaxed or redistributed according to the load levels during operation. The elastic shakedown phenomenon can be consi

Externí odkaz: https://doaj.org/article/2d5f4e73a3974dc8ba85dbed37747222

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