A prediction method for expressway pavement damage under the influence of coal mining subsidence
A subsidence technology for highways and coal mining, which is applied in the field of foundation soil survey, electromagnetic wave detection, construction and other directions
Active Publication Date: 2021-01-15
CCTEG COAL MINING RES INST
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Problems solved by technology
Due to the late start of related research, there is currently no prediction method for expressway pavement damage under the influence of coal mining subsidence
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[0023] Embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.
[0024] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0025] With the development of surveying and mapping science, satellite remote sensing measurement, UAV photogrammetry, GNSS measurement, 3D laser scanning and other means have begun to be widely used. Combined with traditional level and total station measurement methods, it can basically meet the mobile deformation of expressways. monitoring needs. The current expressway mobile deformation monitoring technology is generally used in the long-term mobile deformation monitoring of expressway subgrades and pavement...
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The embodiment of the invention discloses a method for predicting highway pavement damage under the influence of coal mining subsidence, relates to the technical field of mining subsidence and geophysical prospecting, and is invented for conveniently improving the accuracy of determining the potential damage position of a highway pavement. The method comprises the steps that before coal mining, ageological radar method is used, a roadbed and the pavement of a highway within the starting and stopping range influenced by the coal mining subsidence are detected with two or more kinds of electromagnetic wave frequencies, and a first detection result corresponding to the electromagnetic wave frequencies is obtained; a first damage position is determined according to the first detection result;during mining, the geological radar method is used for detecting the roadbed and the pavement with the two or more electromagnetic wave frequencies, and a second detection result corresponding to theelectromagnetic wave frequencies is obtained; a second damage position is determined according to the second detection result; based on the first damage position and the second damage position, the development condition of roadbed and pavement damage is determined; and the potential damage position of the highway pavement is further determined. The method is suitable for determining the potentialdamage position of the highway pavement.
Description
technical field [0001] The present application relates to the technical field of mining subsidence and geophysical prospecting, and in particular to a method for predicting highway pavement damage under the influence of coal mining subsidence. Background technique [0002] With the development of the economy, the scale of my country's expressway network continues to expand. At the same time, my country's underground coal reserves are relatively large. When mining coal resources, the phenomenon of coal production areas crossing expressways will become more and more common. This will As a result, the expressway is affected by coal mining subsidence. Conventional coal mining activities will cause subsidence basins on the surface. The movement and deformation in the subsidence basins are generally continuous. The most typical expressway damage performance affected by this is pavement damage, including cracking and swelling. , ups and downs, etc. Due to the late start of related r...
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IPC IPC(8): G01V3/12E02D1/00
CPCE02D1/00G01V3/12
Inventor 邓伟男韩科明尹希文张玉军于秋鸽樊振丽宋业杰高超田国灿孙万明
Owner CCTEG COAL MINING RES INST