Rock burst roadway safety monitoring method and device
The invention provides a rock burst roadway safety monitoring method and device, and the method comprises the steps: comparing the vibration speed, strain and stress of roadway surrounding rock in the rock burst generation process with the critical value of roadway surrounding rock instability, and...
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Main Authors | , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.04.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The invention provides a rock burst roadway safety monitoring method and device, and the method comprises the steps: comparing the vibration speed, strain and stress of roadway surrounding rock in the rock burst generation process with the critical value of roadway surrounding rock instability, and determining the stability of the roadway surrounding rock; comparing the monitored stress and deformation of a first supporting structure located on the surface layer of the roadway in the rock burst occurrence process with the critical value of instability of the first supporting structure, and determining the stability of the first supporting structure; comparing the monitored stress and deformation of a second supporting structure located in the inner space of the roadway in the rock burst occurrence process with the critical value of instability of the second supporting structure, and determining the stability of the second supporting structure; and determining a roadway safety level according to the stability |
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Bibliography: | Application Number: CN202111506218 |