Experimental study on characteristics of strain and acoustic emission in the process of coal rock expansion and fracture

In order to solve the problem that there are few researches on the acoustic emission characteristics in the process of coal rock expansion and fracture, experiments on coal rock expansion and fracture are carried out to analyze the change law of strain and acoustic emission signals during the whole...

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Bibliographic Details
Main Authors: LI Jie, QIU Liming, YIN Shan, LIU Yang, TONG Yongju
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2021-02-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2020110052