A Quasi-Distributed Fiber-Optical Monitoring System for Movement of Roof Strata in Mines

被引:4
作者
Mekhtiev, A. D. [1 ,3 ]
Sarsikeev, E. Zh [1 ]
Neshina, E. G. [2 ]
Al'kina, A. D. [2 ]
Musagazhinov, M. Zh [1 ]
机构
[1] Seifullin Kazakh Agrotech Univ, Nur Sultan 010000, Kazakhstan
[2] Karaganda Tech Univ, Karaganda 100012, Kazakhstan
[3] Tomsk Polytech Univ, Toms 634050, Russia
关键词
optical fiber; pressure; roof; mine roadway; safety; optical fiber sensors; SENSOR;
D O I
10.1134/S1062739122020168
中图分类号
TD [矿业工程];
学科分类号
0819 ;
摘要
The R&D project on the novel method and facilities for ground control is presented. The relevant literature and advanced design efforts are comprehensively reviewed. A simple design of an optical fiber displacement sensor is proposed. Its cardinal difference from the monitoring systems currently in operation in coal mines is the use of a single mode fiber as a sensitive element. The new hardware and software system improves ground control and enhances safety of mining. The geotechnical condition of roadways is identified by means of comparison of light spot apertures.
引用
收藏
页码:338 / 346
页数:9
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