CN105116440B - A kind of slope rock mass monitoring system and monitoring method - Google Patents
A kind of slope rock mass monitoring system and monitoring method Download PDFInfo
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Abstract
The present invention relates to Monitoring of rock mass stability technical fields, relate to a kind of slope rock mass monitoring system and monitoring method, wherein, micro seismic monitoring unit can quickly identify the vibration signal of burst region, the integrated distribution region of slope rock mass microseismic event is collected, radar monitoring unit can integrally collect rock mass external deformation, displacement data by sending out the side slope of electromagnetic wave in all directions.A kind of slope rock mass monitoring system and monitoring method provided by the invention, monitoring is combined by micro seismic monitoring and radar monitoring, monitoring region can more be refined, so as to reach Centralizing inspection, emphasis monitors potential displacement slip mass, the more convenient effective accuracy for judging landslide position, the inside of comprehensive monitoring slope rock mass and the stability on surface, improving monitoring result.
Description
Technical field
The present invention relates to Monitoring of rock mass stability technical field more particularly to a kind of slope rock mass monitoring system and monitoring sides
Method relates more specifically to a kind of slope rock mass monitoring system and monitoring method for combining micro seismic monitoring and radar monitoring.
Background technology
Side slope is structures relatively conventional in geotechnical engineering field, is widely used in hydraulic engineering, civil engineering, traffic
The construction of engineering and mine engineering etc..Because side slope surface has a certain degree inclination, in own wt and other extraneous induce
Under conditions of factor, slopes have the geological phenomenon for sliding and destroying along slope table, referred to as come down.Landslide can be to the life of people
Production, life have a huge impact or even endanger the life security of people, for disasters such as effective pre- landslide-proofings, carry out ore deposit in a deep going way
The basic research of mountain high precipitous rock slope instability Mechanism and prediction, the slope treatment technology for pushing China's future are sent out
The geological disaster that exhibition, prevention high precipitous rock slope induce, ensures safety in production, has larger theory and practical significance.
In the prior art, slope stability primary analysis method has：Engineering geology method, balance method of rigid-body limit, finite element
Method, numerical method, slope stability systems approach.Domestic and international monitoring method includes：Mainly it is monitored from the appearance of side slope
Method, as fiber optics displacement measurement, slope table geodesic survey, GPS monitorings, infrared remote sensing monitoring method, synthetic aperture radar interferometry,
Closure methods etc. and the method being monitored for the deep below slip mass earth's surface：Sound emission monitoring technology, bore inclining
Instrument, water pressure monitor etc..
From the above as it can be seen that current slope stability study on monitoring is all single inside rock mass surface or rock mass
Depths, and the two is never combined judgement slope stability.Therefore, it is impossible to comprehensively detect the stabilization of slope rock mass
Implementations.
Invention content
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of slope rock mass monitoring system and monitoring methods, pass through microseism
Monitoring and radar monitoring are combined monitoring, the inside of comprehensive monitoring slope rock mass and the stability on surface, improve monitoring result
Accuracy.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of slope rock mass monitoring system and monitoring methods.
A kind of slope rock mass monitors system, including micro seismic monitoring unit, radar monitoring unit and processing unit, the microseism
Monitoring unit and the radar monitoring unit communicate respectively with processing unit to be connected, the micro seismic monitoring unit and radar prison
It surveys unit and corresponds to slope rock mass setting to be measured respectively, the processing unit controls the micro seismic monitoring unit and radar monitoring
Unit is monitored, and the micro seismic monitoring unit detects the microseism wave information inside the slope rock mass to be measured and feeds back to described
Processing unit, the radar signal of the radar monitoring unit scanning slope rock mass surface reflection to be measured simultaneously feed back to the place
Unit is managed, the processing unit carries out processing analysis to the microseism wave information and radar signal.
Further, aforementioned micro seismic monitoring unit includes data collector and multiple microseismic sensors, the microseism sensing
Device is connect respectively by cable with the data collector, and the data collector is connected with processing unit communication.
Further, the quantity of aforementioned microseismic sensors is six.
Further, aforementioned microseismic sensors are information management system sensor.
Further, aforementioned data collector includes digital analog converter and data processor, and the digital analog converter is by institute
The microseism wave information for stating microseismic sensors detection is converted into digital signal, and the data processor is to described micro- after conversion
Seismic wave information optimizes and feeds back to the processing unit.
Further, solar storage battery is further included, the solar storage battery is the electricity consumption of the micro seismic monitoring unit
Device is powered.
Further, aforementioned radar monitoring unit is radar monitoring car, the radar monitoring car and the processing unit without
Line communication connection.
A kind of slope rock mass monitoring method, includes the following steps：
S1, punching as measuring point, measures the three-dimensional coordinate of each measuring point, azimuth, inclines on slope rock mass to be measured
Angle and hole depth；
S2, microseismic sensors are respectively arranged in corresponding hole；
S3, bursting work is carried out to the road surface in slope rock mass region to be measured, the microseism is controlled to pass by processing unit
Sensor monitor in real time and the microseism wave information monitored is fed back to the processing unit；
The microseism wave information that microseismic sensors described in S4, the processing unit processes are fed back, and set according to handling result
Radar monitors region, and the processing unit control radar monitoring car carries out thunder to the radar monitoring region of the slope rock mass to be measured
Up to monitoring；
S5, the processing unit handle, and to be measured the radar signal of the slope rock mass surface reflection to be measured
The stability of slope rock mass is judged.
Further, in abovementioned steps S1, the aperture in the hole is 90mm, hole depth 6-9m.
Further, in above mentioned steps S3, the microseismic sensors carry out in real time in 24 hours that bursting work finishes
Monitoring, and the microseism wave information in 24 hours is fed back into the processing unit.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the advantages that：
A kind of slope rock mass monitoring system provided by the invention, processing unit control micro seismic monitoring unit and radar monitoring are single
Member is monitored, and micro seismic monitoring unit detects the microseism wave information inside slope rock mass to be measured and feeds back to processing unit, radar
Monitoring unit scans the radar signal of slope rock mass surface reflection to be measured and feeds back to processing unit, and processing unit believes microseism wave
Breath and radar signal carry out processing analysis；Micro seismic monitoring unit can quickly identify the vibration signal of burst region, collect side slope
The integrated distribution region of rock mass microseismic event, radar monitoring unit can integrally be received by sending out the side slope of electromagnetic wave in all directions
Collect rock mass external deformation, displacement data.Micro seismic monitoring is based on deep monitoring inside rock mass, and radar monitoring is the appearance from side slope
It is monitored, this combination of inner and outside monitoring can more refine monitoring region, and so as to reach Centralizing inspection, emphasis monitors potential position
Slip mass is moved, effective judgement landslide position is more convenient, improves safety coefficient.
A kind of slope rock mass monitoring method provided by the invention first determines the integrated distribution of microseismic event using micro seismic monitoring
Region, then whole collection slope rock mass external deformation, displacement data are carried out to the areal concentration by radar monitoring, it is accurate
Property higher, and can judge to identify potential region in time, reduce the scanning range of radar monitoring.Burst region is not required to grow
Time monitoring, can discontinuity monitoring, be greatly reduced the working time, improve the rate of data collection and working efficiency.It is this inside and outside
With reference to the method for monitoring, effective judgement landslide location and time is more convenient, so as to remove machinery and the operation under side slope in advance
Personnel improve safety coefficient.
Description of the drawings
Fig. 1 is the schematic diagram that slope rock mass of the present invention monitors system；
Fig. 2 is the structure diagram that slope rock mass of the present invention monitors system；
Fig. 3 is the spatial distribution map of microseismic event.
Wherein, 1：Microseismic sensors；2：Data collector；3：Processing unit；4：Solar storage battery；5：Radar monitors
Vehicle；6：Burst region 7：Slope rock mass to be measured；8：Road surface.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise indicated, " multiple " be meant that two or two with
On；The orientation of the instructions such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " tail portion "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used for description purpose, and cannot
It is interpreted as indicating or implying relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary.It is right
For those of ordinary skill in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment one
As shown in Figure 1, a kind of slope rock mass monitoring system provided in this embodiment, is supervised including micro seismic monitoring unit, radar
Unit and processing unit 3 are surveyed, micro seismic monitoring unit and radar monitoring unit communicate respectively with processing unit 3 to be connected, micro seismic monitoring
Unit and radar monitoring unit correspond to slope rock mass 7 to be measured and set respectively, and processing unit 3 controls micro seismic monitoring unit and radar prison
It surveys unit to be monitored, micro seismic monitoring unit detects the microseism wave information inside slope rock mass 7 to be measured and feeds back to processing unit
3, radar monitoring unit scans the radar signal of 7 surface of slope rock mass reflection to be measured and feeds back to processing unit 3, processing unit 3
Processing analysis is carried out to microseism wave information and radar signal.
In the present embodiment, processing unit 3 is is responsible for being monitored in real time, information processing and each monitoring unit is controlled
The computer of system.
Further, micro seismic monitoring unit can quickly identify the microseism letter inside the slope rock mass to be measured 7 of burst region
Number, collect rock mass microseismic event integrated distribution region.Micro seismic monitoring unit in the present embodiment includes data collector 2 and multiple
Microseismic sensors 1, microseismic sensors 1 are fixed in slope rock mass 7 to be measured, and microseismic sensors 1 are adopted respectively by cable and data
Storage 2 connects, and data collector 2 is communicated by cable with processing unit 3 and connected.
Further, the quantity of microseismic sensors 1 that the present embodiment uses meets the minimum of micro seismic monitoring unit for six
Configuration.Certain microseismic sensors more than 1 are made an appointment, and collecting data can increase, but need to improve the configuration of processing unit 3 simultaneously.
Further, microseismic sensors 1 are information management system sensor, and microseismic sensors 1 are removable sensor.It should
The model 2.3kHz types of information management system sensor, natural resonance 15Hz, undamped sensitivity are 500 (v/m/s),
Broadband noise is 9 μ, and approximate available frequency range is 0.2~2300Hz.The microseismic sensors 1 that the present embodiment uses, may detect
As low as 10-5m/s2Seismic wave velocity, fast response time, and there is anti-dust.
Further, data collector 2 includes digital analog converter and data processor, and digital analog converter is by microseismic sensors
The microseism wave information of 1 detection is converted into digital signal, and data processor optimizes the microseism wave information after conversion processing simultaneously
Processing unit 3 is fed back to, data processor is preliminary processing for the processing of microseism wave information, such as the screening of gross error
It is to optimize microseism wave information Deng, main purpose, and processing unit 3 is to analyze to collection to the processing of microseism wave information
Middle distributed areas.
Further, solar storage battery 4 is further included, solar storage battery 4 is supplied for the power device of micro seismic monitoring unit
Electricity.Solar storage battery 4 includes solar panel and valve-regulated sealed lead-acid batteries, can be with using solar storage battery 4
The energy is saved, the meaning with environmental protection.
The workflow of the present embodiment micro seismic monitoring unit is that 6 microseismic sensors 1 are arranged in slope rock mass 7 to be measured
Interior, the microseism wave launched of detection micro rupture determines the power of the position of focus, size, time and microseismic activity, wherein,
The vibration signal of high duplication can be by 1 acquisition and recording of microseismic sensors.Analog-digital converter will be constantly from microseismic sensors 1
Analog signal is converted into digital signal, then is filtered by data processor triggering collection, pre-trigger, buffering, most microseism wave at last
Information is transferred in processing unit 3.Processing unit 3 is that computer is passing through micro seismic monitoring software I MS Synapse, IMS
Trace, IMS Ticker, IMS Jdi trigger microseismic event and automatically process microseismic event in real time, and three-dimensional microseismic event is visual
Change and analysis data judge microseismic event concentrated area.
Further, while Microseismic monitoring system identifies microseismic event concentrated area or after identification, radar is set
It is corresponding with microseismic event concentrated area to monitor region.
Radar monitoring unit by send out electromagnetic wave in all directions collect slope rock mass external deformation, displacement number to whole
According to.In the present embodiment, radar monitoring unit is radar monitoring car 5, and radar monitoring car 5 is connect with 3 wireless telecommunications of processing unit, nothing
Line communication includes mode any or whole in wireless network and bluetooth.Wherein, radar monitoring car 5 includes far region electricity
The compositions such as source, display, computer electronic box, radar electric case, plate, antenna and trailer.
In the present embodiment, the principle of radar monitoring unit is, radar scanning is from the top on side slope surface to bottom or from side
The bottom on slope surface is repeated to top, and the acquisition of slope data is completed during scanning.Engineers and technicians pass through
Computer directly or indirectly observes scan data, and (is mainly swept twice for single pass to the data scanned next time
Retouch the variation of displacement) it is compared.
Wherein, radar signal is directed toward palisades by the secondary monitoring radar system transmissions on radar monitoring car 5, signal, so
It is rebounded afterwards to the rough surface of palisades, then is received by secondary monitoring radar system, secondary monitoring radar system is repeated to rock
The scanning process of wall, to the displacement of palisades is compared and calculated from single pass to the radar data scanned next time.It is secondary
The monitoring radar system signal that receives of record and is transferred to processing unit 3 (i.e. computer) relative to the phase of transmission signal.
5 side slope radar data acquisition of radar monitoring car and the software of analysis are SSRViewer Suite 7, the software pair
In the data analysis process of side slope radar, the influences such as atmospheric temperature and humidity between scanning area and radar are as excluded, are found true
Positive deformation, rate curve, and alarm is set, finally predict the process of landslide time.
The combination of inner and outside that the present embodiment is monitored by micro seismic monitoring and radar, identification and the potential slope and land slide region of monitoring,
Realize identification microseismic event concentrated area, setting radar monitors region, reduces monitoring regional extent and workload, saves radar and sweeps
The time is retouched, so as to which concentrated area judges the potential landslide location and time of side slope, improves data collection efficiency and analysis datamation
Efficiency etc. improves safety coefficient.
Embodiment two
A kind of slope rock mass monitoring method provided in this embodiment, the slope rock mass monitoring system that Application Example one provides
System, includes the following steps：
S1, punching as measuring point, is surveyed as shown in Fig. 2, being pinpointed with southern CASS GPS software on slope rock mass 7 to be measured
Measure three-dimensional coordinate, azimuth, inclination angle and the hole depth of each measuring point；Wherein, the aperture in hole is 90mm, the ranging from 6-9m of hole depth.
S2, microseismic sensors 1 are respectively arranged in corresponding hole；
S3, daily bursting work is carried out to the burst region 6 on the road surface 8 in 7 region of slope rock mass to be measured, it is single by handling
Member 3 controls microseismic sensors 1 to be monitored in real time and the microseism wave information monitored is fed back to processing unit 3；
S4, processing unit 3 handle the microseism wave information that microseismic sensors 1 are fed back, and are gradually collected according to handling result micro-
The microseismic event concentrated area is set as radar monitoring region, 3 control radar monitoring car of processing unit by shake event concentrated area
The radar monitoring region of 5 pairs of slope rock masses 7 to be measured carries out radar monitoring；
Because radar monitoring regional extent is very big, distance is remote, it is impossible to determining emphasis landslide areas in time, therefore by microseism system
System monitors region to find emphasis in advance.In the present embodiment, analyzed through monitoring, in Fig. 3, ball represents microseismic event in figure,
Ball size represents microseism energy, and ball is bigger to represent that energy is bigger, it can be seen that 2 grades of -3 grades of step rock interior microseisms and change
Shape amount is bigger.Therefore radar monitoring region is arranged to 2 grades of -3 grades of steps by we, is monitored, can be monitored in this way with emphasis in real time
Deformed region judges slope and land slide in time.
The radar signal that S5, processing unit 3 reflect 7 surface of slope rock mass to be measured is handled, and to side slope rock to be measured
The stability of body 7 is judged, accurately and timely judges the potential change in displacement of side slope, analyzes data deformation amount in time.
Further, it in step S3, is carried out daily once since bursting work is average, as long as there is bursting work, microseism passes
Sensor will sense rock interior stress variation, collect data.Therefore, finished in bursting work 24 hours of microseismic sensors 1
It is interior to be monitored in real time, the total data after daily explosion can be recorded, and the microseism wave information in 24 hours is anti-
Processing unit 3 is fed to, after 24 hours, the microseismic event concentrated area of selection is analyzed by processing unit 3 to set thunder
Up to monitoring region, so as to start to scan, side slope surface displacement data is collected.
A kind of slope rock mass monitoring method provided in this embodiment, can find rock mass internal distortions area according to micro seismic monitoring
Domain (i.e. microseismic event concentrated area), corresponding setting make radar monitor region, reduce radar scanning range, reduce workload, make
Monitoring result is more accurate, judges slope and land slide position rapidly.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment, and makes those of ordinary skill in the art
It will be appreciated that the present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (5)
1. a kind of slope rock mass monitors system, which is characterized in that single including micro seismic monitoring unit, radar monitoring unit and processing
Member, the micro seismic monitoring unit and the radar monitoring unit communicate with processing unit connect respectively, the micro seismic monitoring unit
Slope rock mass setting to be measured is corresponded to respectively with the radar monitoring unit, and the micro seismic monitoring unit detects slope rock mass micro rupture
The microseism wave information launched；By processing unit control microseismic sensors monitor in real time and micro- by what is monitored
Seismic wave information feeds back to the processing unit；The microseism wave information that microseismic sensors described in the processing unit processes are fed back, really
The power of the position of focus, size, time and microseismic activity is made, obtains the integrated distribution region of microseismic event, and according to place
Result setting radar monitoring region is managed, the processing unit controls thunder of the radar monitoring unit to the slope rock mass to be measured
Radar monitoring is carried out up to monitoring region；The processing unit carries out processing analysis, institute to the microseism wave information and radar signal
State micro seismic monitoring unit include data collector and multiple microseismic sensors, the microseismic sensors respectively by cable with it is described
Data collector connects, and the data collector is connected with processing unit communication, and the data collector turns including modulus
The microseism wave information that the microseismic sensors detect is converted into number by parallel operation and data processor, the analog-digital converter
Signal, the data processor carry out the microseism wave information after conversion the screening of gross error and feed back to the processing
Unit；
Wherein, the workflow of the radar monitoring unit is：Radar scanning is from the top on side slope surface to bottom or from side slope
The bottom on surface is repeated to top, and by the secondary monitoring radar system transmissions on radar monitoring unit, radar signal refers to
It to palisades, then rebounds to the rough surface of palisades, then is received by secondary monitoring radar system, secondary monitoring radar system
The scanning process to palisades is repeated, to the position of palisades is compared and calculated from single pass to the radar data scanned next time
The variation of shifting amount.
2. slope rock mass according to claim 1 monitors system, which is characterized in that the quantity of the microseismic sensors is six
It is a.
3. slope rock mass according to claim 2 monitors system, which is characterized in that the microseismic sensors are information management
System sensor.
4. slope rock mass according to claim 1 monitors system, which is characterized in that solar storage battery is further included, it is described
Solar storage battery is powered for the power device of the micro seismic monitoring unit.
5. slope rock mass according to claim 1 monitors system, which is characterized in that the radar monitoring unit is supervised for radar
Measuring car, the radar monitoring car are connect with the processing unit wireless telecommunications.
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| CN106525970A (en) * | 2016-11-07 | 2017-03-22 | 深圳大学 | Project slope quality detection method and system based on aerial robot |
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