CN104833339A - Roadway cross-section stability measurement and evaluation system and roadway cross-section stability measurement evaluation method - Google Patents
Roadway cross-section stability measurement and evaluation system and roadway cross-section stability measurement evaluation method Download PDFInfo
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- CN104833339A CN104833339A CN201510177904.6A CN201510177904A CN104833339A CN 104833339 A CN104833339 A CN 104833339A CN 201510177904 A CN201510177904 A CN 201510177904A CN 104833339 A CN104833339 A CN 104833339A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/06—Tracing profiles of cavities, e.g. tunnels
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Abstract
The present invention discloses a roadway cross-section stability measurement evaluation system and a roadway cross-section stability measurement evaluation method. According to the present invention, a laser infrared distance measurement technology is used, and the technology modification is performed on the testing method, the apparatus system, the data processing, the result expression, the stability evaluation and other methods so as to form a set of the complete roadway cross-section stability measurement and evaluation system, such that the good technical data and basis is provided for the mine roadway stability evaluation.
Description
Technical field
The present invention relates to drift section measuring system field, specifically a kind of drift section stability measurement evaluation system and method.
Background technology
Tunnel needs to observe its distortion and stability after section has been constructed, and current multiplex traditional engineering mapping mode carries out surveying and calculating cross-sectional area, and its simple operation, real-time are poor.Meanwhile, utilize laser infrared line to carry out ranging technology relative maturity, but it is only limitted to hand-held laser rangefinder and carries out on-the-spot test application, do not possess and automatically measure and monitoring function.Therefore by the transformation to method of testing technology, laser infrared line range finding probe is combined to form a set of to the portable automatic measurement of different section condition area, storage, calculation and evaluation system with automatic rotating device, can be roadway deformation signature analysis and estimation of stability provides technical support, also can propose forecast according to the pace of change of cross-sectional area to Drift stability.
summary of the inventionthe object of this invention is to provide a kind of drift section stability measurement evaluation system and method, to realize measuring drift section and evaluating.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of drift section stability measurement evaluation system, it is characterized in that: include controller, laser infrared line test rotating detector, described laser infrared line test rotating detector comprises support, the cylindrical outer casing of central shaft level is supported with in support, stepper motor is provided with in shell, circuit control system, supplying cell, described circuit board is integrated with the motor-drive circuit of band wireless communication module, battery supplies power to stepper motor by motor-drive circuit, support one end is provided with laser ranging head, described stepper motor output shaft is connected with laser ranging head along housing center direction of principal axis through bracket end, described circuit board is connected with controller communication by wireless communication module, whole laser infrared line test rotating detector is by support installing measurement point in tunnel.
A kind of drift section stability measurement evaluation method, it is characterized in that: first on-the-spot selected test point, can at roadway floor smooth place fixed laser infrared ray test rotating detector, utilize controller that acquisition parameter is set, comprise measurement point position, section parameter, probe automatic rotation angle and hard-over; Laser infrared line test rotating detector automatic rotation also sends each measuring point measuring distance to controller, stores in the controller; Test laser ranging head in rotating detector by set angle automatic rotation laser infrared line and carry out attitude and determine, measured the test assignment of all angles point in turn, be stored as corresponding data file; When complete one end forward one week to after after test data, inversion mode tests one time to this section again, completes section one group of DATA REASONING equally; Twice measurement data rotated according to same section different directions when data calculate is carried out calculating and is corrected, and obtains section part different angles measuring point distance file;
Portable laser infrared probe also can be placed and be fixed on underworkings section part by scene, Auto Power On and survey record, the sustainable power supply of supplying cell, test drift section area reaches about 10 days time, realize measuring once a day, complete the continuous monitoring to drift section;
Next utilizes the cross-sectional area calculation and evaluation system embedded in controller, and after acquisition parameter is provided with, cross-sectional area calculation and evaluation system sets true origin and system according to data in roadway floor planimetric position; After laser ranging head is measured and transmitted each range data, cross-sectional area calculation and evaluation system draws section vertex position automatically by deviation angle and distance size, and after completing the test of all measurement points, the girth point position of whole section can complete; Cross-sectional area calculation and evaluation system carries out curve fitting to tunnel girth according to three-poing curve fitting theory, completes the matching of whole section girth, and according to section roll up the space closed and carry out areal calculation;
After in the section of one, tunnel, a test point completes, also test point can be changed on the same section base plate in tunnel, double measurement is carried out according to said process, obtain drift section trap area secondary measurements, this value is carried out contrast with first time measured value correct, namely average, measure girth point position curve according to twice simultaneously and carry out new matching, obtain the reliable area data of drift section;
By fixing drift section, take multiple measurements, obtain the space-time area parameters of section, the parameter such as cross-sectional area, footpath high size according to measurement space is added up roadway deformation parameter, setting area and the abnormal criterion value of footpath High variation, carry out contrasting to the stability of back rock stratum and evaluate, for roadway support provides reliable data;
Finally by area and the footpath height test of different section in tunnel, move in conjunction with section and can complete different section area test selected in whole tunnel, and utilizing each test cut surface character of software rebuild, stowboard periphery top, base plate lithology, build the three-dimensional geological figure of drift section; Test data size variation according to different time sections contrasts, form digitizing tunnel Area Model and cross-sectional area and footpath height database, in conjunction with the high change of cross-sectional area and footpath, setting judgment threshold, carrying out instability forecast to being out of shape comparatively serious region in tunnel, realizing the performance analysis to back rock stratum stability and evaluation.
The present invention utilizes laser infrared line measuring technology, laser infrared line test rotating detector is carried out angle and rotates control, according to setting rotation angle parameter, to drift section point apart from automatically measuring and record, build tunnel measuring point volume coordinate, carry out calculating to drift section area and add up, and in conjunction with the size variation that repetitive measurement is risen specific area and tunnel, obtaining drift section deformation behaviour parameter.By follow-on test and contrast, setting roadway deformation comprehensive evaluation index, carries out early warning to Drift stability, for roadway support and safety provide technological guidance.
Advantage of the present invention:
1, realize measuring the high automatic, high precision of drift section area and footpath, and data acquisition is controlled in real time, is convenient to obtain the effective metric space data of drift section, provides basis for cross-sectional area calculates.Instrument and equipment is light, and be easy to operation, easily extensible carries out Real-Time Monitoring.
2, data record, process, the realization of A+E system are to the visualization processing of the range data gathered, the contrast of cross-sectional area otherness and Calculation Estimation can be carried out according to locus, to the comparative analysis of different time test data, for Drift stability monitoring and evaluation provides authentic data.
Accompanying drawing explanation
Fig. 1 is laser infrared line of the present invention test rotating detector structural representation.
Fig. 2 is laser infrared line test rotating detector schematic diagram in the present invention.
Embodiment
As shown in Figure 1, a kind of drift section stability measurement evaluation system, include controller, laser infrared line test rotating detector, laser infrared line test rotating detector comprises support 1, the cylindrical outer casing 2 of central shaft level is supported with in support 1, stepper motor 3 is provided with in shell 2, circuit control system 4, supplying cell 5, circuit control system 4 is integrated with the motor-drive circuit of band wireless communication module, supplying cell 5 supplies power to stepper motor 3 by motor-drive circuit, support 1 one end is provided with laser ranging 6, stepper motor 3 output shaft is connected along shell 2 central axis direction through bracket end and laser ranging 6, circuit control system 4 is connected with controller communication by wireless communication module, whole laser infrared line test rotating detector is arranged on measurement point in tunnel by support 1.
A kind of drift section stability measurement evaluation method, first on-the-spot selected test point, at roadway floor smooth place fixed laser infrared ray test rotating detector, can utilize controller that acquisition parameter is set, comprise measurement point position, section parameter, probe automatic rotation angle and hard-over; Laser infrared line test rotating detector automatic rotation also sends each measuring point measuring distance to controller, stores in the controller; Test laser ranging head in rotating detector by set angle automatic rotation laser infrared line and carry out attitude and determine, measured the test assignment of all angles point in turn, be stored as corresponding data file; When complete one end forward one week to after after test data, inversion mode tests one time to this section again, completes section one group of DATA REASONING equally; Twice measurement data rotated according to same section different directions when data calculate is carried out calculating and is corrected, and obtains section part different angles measuring point distance file;
Portable laser infrared probe also can be placed and be fixed on underworkings section part by scene, Auto Power On and survey record, the sustainable power supply of supplying cell, test drift section area reaches about 10 days time, realize measuring once a day, complete the continuous monitoring to drift section;
Next utilizes the cross-sectional area calculation and evaluation system embedded in controller, and after acquisition parameter is provided with, cross-sectional area calculation and evaluation system sets true origin and system according to data in roadway floor planimetric position; After laser ranging head is measured and transmitted each range data, cross-sectional area calculation and evaluation system draws section vertex position automatically by deviation angle and distance size, and after completing the test of all measurement points, the girth point position of whole section can complete; Cross-sectional area calculation and evaluation system carries out curve fitting to tunnel girth according to three-poing curve fitting theory, completes the matching of whole section girth, and according to section roll up the space closed and carry out areal calculation;
After in the section of one, tunnel, a test point completes, also test point can be changed on the same section base plate in tunnel, double measurement is carried out according to said process, obtain drift section trap area secondary measurements, this value is carried out contrast with first time measured value correct, namely average, measure girth point position curve according to twice simultaneously and carry out new matching, obtain the reliable area data of drift section;
By fixing drift section, take multiple measurements, obtain the space-time area parameters of section, the parameter such as cross-sectional area, footpath high size according to measurement space is added up roadway deformation parameter, setting area and the abnormal criterion value of footpath High variation, carry out contrasting to the stability of back rock stratum and evaluate, for roadway support provides reliable data;
Finally by area and the footpath height test of different section in tunnel, move in conjunction with section and can complete different section area test selected in whole tunnel, and utilizing each test cut surface character of software rebuild, stowboard periphery top, base plate lithology, build the three-dimensional geological figure of drift section; Test data size variation according to different time sections contrasts, form digitizing tunnel Area Model and cross-sectional area and footpath height database, in conjunction with the high change of cross-sectional area and footpath, setting judgment threshold, carrying out instability forecast to being out of shape comparatively serious region in tunnel, realizing the performance analysis to back rock stratum stability and evaluation.
Claims (2)
1. a drift section stability measurement evaluation system, it is characterized in that: include controller, laser infrared line test rotating detector, described laser infrared line test rotating detector comprises support, the cylindrical outer casing of central shaft level is supported with in support, stepper motor is provided with in shell, circuit control system, supplying cell, described circuit control system is integrated with the motor-drive circuit of band wireless communication module, supplying cell supplies power to stepper motor by motor-drive circuit, support one end is provided with laser ranging head, described stepper motor output shaft is connected with laser ranging head along housing center direction of principal axis through bracket end, described circuit board is connected with controller communication by wireless communication module, whole laser infrared line test rotating detector is by support installing measurement point in tunnel.
2. the drift section stability measurement evaluation method based on system described in claim 1, it is characterized in that: first on-the-spot selected test point, can at roadway floor smooth place fixed laser infrared ray test rotating detector, utilize controller that acquisition parameter is set, comprise measurement point position, section parameter, probe automatic rotation angle and hard-over; Laser infrared line test rotating detector automatic rotation also sends each measuring point measuring distance to controller, stores in the controller; Test laser ranging head in rotating detector by set angle automatic rotation laser infrared line and carry out attitude and determine, measured the test assignment of all angles point in turn, be stored as corresponding data file; When complete one end forward one week to after after test data, inversion mode tests one time to this section again, completes section one group of DATA REASONING equally; Twice measurement data rotated according to same section different directions when data calculate is carried out calculating and is corrected, and obtains section part different angles measuring point distance file;
Portable laser infrared probe also can be placed and be fixed on underworkings section part by scene, Auto Power On and survey record, the sustainable power supply of supplying cell, test drift section area reaches about 10 days time, realize measuring once a day, complete the continuous monitoring to drift section;
Next utilizes the cross-sectional area calculation and evaluation system embedded in controller, and after acquisition parameter is provided with, cross-sectional area calculation and evaluation system sets true origin and system according to data in roadway floor planimetric position; After laser ranging head is measured and transmitted each range data, cross-sectional area calculation and evaluation system draws section vertex position automatically by deviation angle and distance size, and after completing the test of all measurement points, the girth point position of whole section can complete; Cross-sectional area calculation and evaluation system carries out curve fitting to tunnel girth according to three-poing curve fitting theory, completes the matching of whole section girth, and according to section roll up the space closed and carry out areal calculation;
After in the section of one, tunnel, a test point completes, also test point can be changed on the same section base plate in tunnel, double measurement is carried out according to said process, obtain drift section trap area secondary measurements, this value is carried out contrast with first time measured value correct, namely average, measure girth point position curve according to twice simultaneously and carry out new matching, obtain the reliable area data of drift section;
By fixing drift section, take multiple measurements, obtain the space-time area parameters of section, the parameter such as cross-sectional area, footpath high size according to measurement space is added up roadway deformation parameter, setting area and the abnormal criterion value of footpath High variation, carry out contrasting to the stability of back rock stratum and evaluate, for roadway support provides reliable data;
Finally by area and the footpath height test of different section in tunnel, move in conjunction with section and can complete different section area test selected in whole tunnel, and utilizing each test cut surface character of software rebuild, stowboard periphery top, base plate lithology, build the three-dimensional geological figure of drift section; Test data size variation according to different time sections contrasts, form digitizing tunnel Area Model and cross-sectional area and footpath height database, in conjunction with the high change of cross-sectional area and footpath, setting judgment threshold, carrying out instability forecast to being out of shape comparatively serious region in tunnel, realizing the performance analysis to back rock stratum stability and evaluation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655400A (en) * | 2018-12-26 | 2019-04-19 | 天地科技股份有限公司 | Tunnel Analysis of Plastic Region method |
| CN110736434A (en) * | 2019-10-28 | 2020-01-31 | 中国矿业大学 | coal mine roadway surface displacement online monitoring system and monitoring method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655400A (en) * | 2018-12-26 | 2019-04-19 | 天地科技股份有限公司 | Tunnel Analysis of Plastic Region method |
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| CN110736434A (en) * | 2019-10-28 | 2020-01-31 | 中国矿业大学 | coal mine roadway surface displacement online monitoring system and monitoring method |
| CN110736434B (en) * | 2019-10-28 | 2021-04-13 | 中国矿业大学 | Online monitoring system and monitoring method for coal mine tunnel surface displacement |
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Application publication date: 20150812 |