A monitoring system and method for roof surrounding rock in deep mining face
A technology for mining working face and monitoring system, which is applied in mining equipment, earth-moving drilling, mining equipment, etc., can solve problems such as poor timeliness, narrow monitoring surface, and discontinuous monitoring, and achieve the effect of improving stability and safety.
Active Publication Date: 2020-04-10
XIANGTAN UNIV
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This method has the disadvantages of discontinuous monitoring, poor timeliness, single-stage fixed-point monitoring, and narrow monitoring area
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0029] The deformation monitoring of deep surrounding rock is a monitoring activity carried out in the three-dimensional space of deep underground coal mining operations. see figure 1 , the deep underground minin...
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The invention discloses a deep stope working face roof surrounding rock monitoring system and method. The deep stope working face roof surrounding rock monitoring system comprises a monitoring deviceand a data processing device; the monitoring device is electrically connected with the data processing device; the monitoring device is used for monitoring a combined roof located above a deep stope working face to obtain monitoring data; the data processing device is used for processing the monitoring data to determine the stability and safety of the combined roof; and a first grade monitoring device of the monitoring device is laid at the bottom of a first soft rock layer, a second grade monitoring device is laid in the middle of the first soft rock layer, a third grade monitoring device islaid at the joint of the first soft rock layer and a middle hard rock layer, a fourth grade monitoring device is laid at the joint of the middle hard rock layer and a second soft rock layer, and a fifth grade monitoring device is laid in the middle of the second soft rock layer. The deep stope working face roof surrounding rock monitoring system can realize grading monitoring, multi-point monitoring and continuous monitoring, the timeliness of the monitoring is high, and the monitoring range is wide.
Description
technical field [0001] The invention relates to the technical field of underground engineering rock mass deformation monitoring, in particular to a roof surrounding rock monitoring system and method of a deep mining working face. Background technique [0002] With the continuous increase of mine mining intensity, shallow coal resources are decreasing day by day, and coal mining extends to deep areas. The mining depth of some mines is close to 1000m, and continues to increase at a rate of 8-12m per year. The rock mass mined in deep is affected by the complex geomechanical environment of "three highs and one disturbance", and has significant transient mechanical effects and fluid-solid coupling characteristics. The probability of nonlinear large deformation and sudden failure of surrounding rocks increases. Deformation monitoring becomes more difficult. [0003] When the roof surrounding rock of the deep mining face is a combination of "soft-hard-soft" rock formations, since ...
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IPC IPC(8): E21F17/18
CPCE21F17/18
Inventor 王新丰罗文波高毓浩张孝强谢承煜廖杰仇林玲丁文智
Owner XIANGTAN UNIV