Top-coal initial caving law of continuous group caving method in extra-thick coal seams

In order to clarify the law of top coal caving with continuous group caving method in extra-thick coal seams, this study investigated the influences of the caving openings width on the morphological characteristics of caving body, the evolution law of the boundary of top coal and their spatial relat...

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Bibliographic Details
Main Authors: Wang Zuguang, Wang Shen, He Ziang, Li Huamin
Format: Article
Language:English
Published: Emergency Management Press 2023-04-01
Series:矿业科学学报
Subjects:
Online Access:http://kykxxb.cumtb.edu.cn/en/article/doi/10.19606/j.cnki.jmst.2023.02.004