Výsledky vyhledávání

Akademický článek

Research on evolution characteristics of fault sliding displacement in slicing mining

Autor: Wang Hongwei, Wang Gang, Shi Ruiming, Zhang Xiaohai

Publikováno v: 矿业科学学报, Vol 6, Iss 6, Pp 688-695 (2021)

Based on the geological structure of Yima coalfield and working face 21221of Qianqiu Mine as the engineering background, this paper designs a similar simulation experiment of fault slip instability under the influence of mining, and explores the char

Externí odkaz: https://doaj.org/article/8cf1efb4006b48108c65859cd050c8cd

Zobrazit plný text záznamu

Akademický článek

Study on the dynamic evolution characteristics of deformation and collapse of the extra-thick hard roof

Autor: Wang Hongwei, Deng Daixin, Jiang Yaodong, Shi Ruiming, Yang Guozhen, Zhang Xiaohai

Publikováno v: 矿业科学学报, Vol 6, Iss 5, Pp 548-557 (2021)

Yima coal field has an extra-thick hard rock strata, which is the main cause of many dynamic disasters in the mining area. Based on the mining face 21221 of Qianqiu mine in Yima coal field, Henan Province, China, this paper studies the movement chara

Externí odkaz: https://doaj.org/article/2e83b0ce552e45b0a4e27e6dcb994613

Zobrazit plný text záznamu

Akademický článek

Investigation on the ultimate load bearing capacity of U-shaped steel arch support in coal bursting mine

Autor: Wang Hongwei, Deng Daixin, Jiang Yaodong, Shi Ruiming, Zhou Hongwei, Cui Shuai

Publikováno v: 矿业科学学报, Vol 6, Iss 2, Pp 176-187 (2021)

The damage degree of the surrounding rock in the coal mine roadway is closely related to the support form, thus to carry out research on the ultimate bearing capacity of U-shaped steel support in coal bursting mine is of important guiding significanc

Externí odkaz: https://doaj.org/article/fa4e409d98cc43d4acceec29ab1e8e6e

Zobrazit plný text záznamu