Controlling the roof by grouting collapsing zone after coal mining

被引：0
|
作者：
Yang, Yu [1 ]
Feng, Guo-Cai [1 ]
Liu, Wen-Sheng [1 ]
Zhou, Chen [1 ]
机构：
[1] College of Civil and Architectural Engineering, Liaoning Technical University, Fuxin 123000, China
来源：
Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban)/Journal of Liaoning Technical University (Natural Science Edition) | 2007年 / 26卷 / SUPPL. 1期
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摘要：
It discusses the process and mechanism of controlling the roof by grouting collapsing zone, and studies on the technology of grouting collapsing zone to controls the roof. The purpose is in order to controls the ground surface subsidence. The research indicates that the collapsing zone was formed along with mining because of the redistributed underground stress of wall rock. It can stop the periodic break of main roof by injecting slurry into collapsing zone. At the result, the ground can only form slow equable tiny subsidence in all mining area. Thereby it controls the ground surface subsidence caused by mining with the technology of grouting collapsing zone. The achievement of the technology can control the ground surface subsidence effectively, and is provided with important significance to extract the coal under the rail way, building and water system.
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页码：15 / 16
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