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Mathematical Problems in Engineering
Volume 2016, Article ID 4720867, 11 pages
http://dx.doi.org/10.1155/2016/4720867
Research Article

Analytical Analysis and Field Observation of Break Line in the Main Roof over the Goaf Edge of Longwall Coal Mines

1College of Resources & Safety Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China
2Shandong University of Science & Technology, Qingdao 266510, China

Received 9 May 2016; Revised 12 June 2016; Accepted 15 September 2016

Academic Editor: Marek Lefik

Copyright © 2016 Zhang Guangchao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Zhang Guangchao, He Fulian, and Jiang Lishuai, “Analytical Analysis and Field Observation of Break Line in the Main Roof over the Goaf Edge of Longwall Coal Mines,” Mathematical Problems in Engineering, vol. 2016, Article ID 4720867, 11 pages, 2016. https://doi.org/10.1155/2016/4720867.