Research on the Redistribution Law of Lateral Mining Stress and the Bearing Characteristics of Section Coal Pillar in Extra-Thick Fully Mechanized Top-Coal Caving Mining

Due to the change of ground stress environment caused by underground coal mining, the intense lateral mining stress concentration is formed around the stope; so section coal pillar is generally set up to bear the mining pressure, but the different sizes of coal pillars have obvious influence on the...

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Bibliographic Details
Main Authors: Qingwei Bu, Min Tu, Baojie Fu
Format: Article
Language:English
Published: Hindawi Limited 2021-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.1155/2021/4355977