Results 61 to 70 of about 2,809 (148)

Study on deformation and failure characteristics of overlying strata with thick loose layers and thin bedrock based on Hoek-Brown criterion

矿业科学学报, 2019
The mechanics parameters of rock mass in Wulanmulun mine are determined on the basis of the experimental data measured in the laboratory and applied Hoek-Brown criterion in this paper.On this basis the failure characteristics of overlying strata caused ...
Li Quansheng, Xu Zhuhe, Zhang Yong, He Wenrui   +3 more
doaj   +1 more source

Mechanisms and critical criteria of coverd karst collapses under extreme rainfall conditions

Carsologica Sinica
In recent years, the increasing occurrence of covered karst collapses triggered by rainfall conditions has posed a threat to human life and property safety. According to field investigations and statistical data, the triggering factors of karst collapses
Zongyuan PAN, Rui SHU, Jianling DAI, Yan MENG, Mingtang LEI, Long JIA, Xiao MA, Bing BAI   +7 more
doaj   +1 more source

Multi-field information fusion-based analysis of the macroscopic and mesoscopic damage evolution and location identification of caving and water-conducting fracture zones for mining overburden

Meitian dizhi yu kantan
ObjectiveFor the coal mining areas in the middle reaches of the Yellow River, there is an urgent need to determine the failure characteristics of the mining overburden and the spatial structural evolution of caving and water-conducting fracture zones in ...
Jiangbo WEI, Shuangming WANG, Lang LIU, Baoning WEI, Deyu CHONG, Zhizhen LIU, Dongkui LI, Dengdeng ZHUANG, Jing ZHOU   +8 more
doaj   +1 more source

Failure Law of Soft and Hard Interlayer Overlying Rock in Gently Inclined, Super‐Thick Coal Seam and Research on the Development Height of a Water‐Conducting Fissure Zone

Energy Science & Engineering
This study examines the failure laws of soft and hard interlayer overlying rocks and the development height of the water‐conducting fracture zone in a gently inclined super‐thick coal seam at the Qifeng coal mine, Shanxi.
Kaijie Duan, Peilin Gong, Kang Yi, Guang Wen, Hui Kang, Ziyang Feng, Tong Zhao, Peng Li   +7 more
doaj   +1 more source

Overburden Damage in High-Intensity Mining: Effects of Lithology and Formation Structure

Applied Sciences
This study addresses pivotal scientific questions regarding the evolution of overburden strata during high-intensity mining in the Shendong coal mining area.
Teng Teng, Zhuhe Xu, Yuxuan Wang
doaj   +1 more source

Study on Progressive Failure Mechanism of High and Steep Overburden Slope Under Rainfall

AbstractThis paper summarizes the typical landslide characteristics and main triggering factors by statistically analyzing the detailed investigation data of 51 landslides in Hebei Province, among which rainfall-induced cover-type landslides are the most typical form of landslides.
Xing Zhai, Chenxi Li, Yu Liu, Hui Li
openaire   +1 more source

Technique for water-preserved coal mining based on zonal height limits along mining face and mechanisms behind overburden failure

Meitian dizhi yu kantan
ObjectiveThe exploitation of shallow coal seams under water bodies faces a contradiction between water resource preservation and overburden disturbance.
Xueyang SUN, Hongyi CAO, Peng LI, Dehao HAN, Qiyao LUO, Kuan LIU, Jihong LI, Xu YIN   +7 more
doaj   +1 more source

Influence overburden pressure affects tunnel face failure mechanism

Proceedings of the Japan National Conference on Geotechnical Engineering, 2004
Takano, Daiki, Nagatani, Hideki, Otani, Jun   +2 more
openaire   +1 more source

Overburden failure and water-sand mixture outburst conditions of weakly consolidated overlying strata in Dananhu No.7 coal mine. [PDF]

Sci Rep
Zhu J, Li W, Teng B, Lu Q, Li D, Li L.
europepmc   +1 more source

Investigation on the water-conducting zone evolution in weak overburden due to repeated mining of thick coal seams. [PDF]

Sci Rep
Yang Z, Niu X, Feng Y, Li D, Xu H, Jin S.   +5 more
europepmc   +1 more source