CN109580779A - The full-automatic real-time system for monitoring and pre-warning of inverted arch structure and method - Google Patents
The full-automatic real-time system for monitoring and pre-warning of inverted arch structure and method Download PDFInfo
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- CN109580779A CN109580779A CN201811520584.XA CN201811520584A CN109580779A CN 109580779 A CN109580779 A CN 109580779A CN 201811520584 A CN201811520584 A CN 201811520584A CN 109580779 A CN109580779 A CN 109580779A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/06—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
Abstract
The present disclosure discloses a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure and methods, including detection system, including reflectoscope and pressure gauge, are configured as detection inverted arch internal structure, check for the pressure from surrounding rock for damaging and measuring inverted arch lower part；Wireless signal transmission system is configured as the collected information of detection system being transmitted to middle control platform；Middle control platform, it is configured as analyzing the variation of inverted arch lower part pressure from surrounding rock based on the operation phase tunnel inverted arch information received, establishing inverted arch lower part pressure from surrounding rock consecutive variations model, judge that current pressure from surrounding rock provides corresponding early warning for the influence degree of inverted arch safety, and according to influence degree；Power-supply system, is configured as detection system and wireless signal transmission system provides electric power, can provide valuable scientific information for research operation phase tunnel surrounding stress, deformation Variation Features and tunnel perimeter hydrogeology state of development.
Description
Technical field
This disclosure relates to a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure and method.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
Major part tunnel all occurs that different degrees of infiltration, surrouding rock deformation is excessive, tunnel inverted arch within the operation phase at present
The problems such as floating, seriously threatens tunnel structure stabilization and traffic safety.Wherein, one as tunnel structure of tunnel inverted arch
Point, great function is played in terms of inhibiting surrouding rock deformation, guaranteeing tunnel overall structure stabilization, and inverted arch floating in tunnel leads to road
The problem of Keelung is risen seriously threatens engineering safety, and especially prominent in weak surrounding rock environment, and repair process is spent human and material resources,
Cause huge Socie-economic loss.
The main reason for causing inverted arch to float includes: 1, inverted arch unreasonable structural design, causes inverted arch beyond bearing capacity
Range, structure are destroyed, and foundation soil takes inverted arch floating；2, subgrade soils compacting not enough, within the operation phase by various external actions by
It is gradually detached from, can not continue to undertake the effect for inhibiting surrouding rock deformation；3, in the enrichment of inverted arch bottom, (especially continuity drops by force underground water
After rain), cause regional area buoyancy to be greater than inverted arch structural anti-buoyancy power, inverted arch floats.
Monitoring measurement is played an important role in constructing tunnel and all in the operation phase, is monitored within the tunnel operation phase
It measures, can be analysis surrouding rock deformation rule, verify surrouding rock deformation convergence, security risk offer that may be present section in tunnel is provided
Foundation, prevents trouble before it happens.But it is domestic at present for operation phase tunnel monitoring measurement rely primarily on manpower add level,
The mode of the device measurings such as total station is realized, is influenced by extraneous factor, low efficiency, can not grasp the deformation feelings of country rock in real time
Condition；In addition, merely carrying out deformation monitoring has hysteresis quality, the process and shape of the destruction of tunnel inverted arch structure can not be further disclosed
Formula accomplishes the omen early warning and real-time perception destroyed to inverted arch structure floating.Therefore, operation phase tunnel inverted arch structure how is realized
Full-automatic real time monitoring-early warning be a technical problem urgently to be resolved at present.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure and side
Method, the disclosure obtain the status information of inverted arch structure in tunnel by detection system, and it is flat to be then wirelessly transmitted to middle control
Platform is analyzed, and identifies the abnormal deformation of inverted arch structure, is carried out early warning to the safety problem that inverted arch is likely to occur, is realized the operation phase
The full-automatic real-time monitoring of tunnel inverted arch and early warning.
To achieve the goals above, the disclosure adopts the following technical scheme that
A kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure, comprising:
Detection system, including reflectoscope and pressure gauge are configured as detection inverted arch internal structure, check for damaging
And the pressure from surrounding rock of measurement inverted arch lower part；
Wireless signal transmission system is configured as the collected information of detection system being transmitted to middle control platform；
Middle control platform is configured as analyzing inverted arch lower part pressure from surrounding rock based on the operation phase tunnel inverted arch information received
Variation, establish inverted arch lower part pressure from surrounding rock consecutive variations model, judge influence of the current pressure from surrounding rock for inverted arch safety
Degree, and corresponding early warning is provided according to influence degree；
Power-supply system, is configured as detection system and wireless signal transmission system provides electric power.
It is limited as further, the middle control platform includes signal receiving module, message output module, information analysis mould
Block and warning module, in which:
The signal receiving module, is configured as being mutually matched with wireless signal transmission system and connect；
The information analysis module is configured as judging inverted arch three-dimensional structure, identify tensile crack therein,
Pressure-break and/or shear crack find out dangerous crack therein according to certain rule, provide operation phase tunnel inverted arch edge stress
The region of distribution；
The warning module is configured as providing dangerous crack and crack output in significant change state each
The crack form in crack and issuable corresponding harm；
The message output module, the information for being configured as to receive shows on a terminal screen, including in each inverted arch
Portion's structure three-dimensional perspective view and each inverted arch bottom pressure from surrounding rock time history plot.
It is limited as further, the inverted arch that the information analysis module is received by inverted arch three-dimensional structure and before is three-dimensional
Structure is compared, and finds out the crack in expansion state and the crack in compressive state.
It is limited as further, the pressure from surrounding rock variation that the warning module is configured as would tend to precarious position is bent
Line chart is output to terminal screen, reminds clerk of works personnel to check actual tunnel corresponding site, accomplishes to prevent trouble before it happens.
It is limited as further, the power-supply system includes power transformer and the electric wire that is attached thereto.
It is limited as further, the detection system, power-supply system and power-supply system are all set in shell, and described
Shell is column concrete casing, with prevent internal portion's electronic equipment electromagnetic interference and external underground water infiltration to electronics
The damage of equipment.
It is limited as further, the detection system is laid in the contact surface of inverted arch bottom and country rock in constructing tunnel
On, and the automatic progress data acquisition of timing.
Limited as further, the wireless signal transmission system can real-time reception come from reflectoscope and pressure
The data-signal of power meter, and information is passed through into the middle control platform of electromagnetic transmission to the Tunnel Engineering immediately.
It is limited as further, the power-supply system is laid in constructing tunnel, connect with electrical system in tunnel.
Working method based on above system, comprising the following steps:
When tunnel excavation, concrete casing and detection system, wireless signal are laid every a distance in inverted arch lower part
Transmission system and power transformer；
After tunnel comes into operation, detection system starts to acquire data, is faced upward at regular intervals by reflectoscope detection
Encircle internal structure and pressure gauge detects inverted arch lower part pressure from surrounding rock；
After detection system has acquired data each time, collected data are sent to wireless signal transmission system；
After wireless signal transmission system receives information, middle control platform is transferred information to；
Middle control bracket signal receives the information from wireless signal transmission system and will be in inverted arch by information display module
Portion's structure and inverted arch lower part pressure from surrounding rock change curve are shown in terminal screen, analyze the information received, and
The security risk occurred in tunnel is shown by warning module, completes primary information collection analysis early warning work.
Compared with prior art, the disclosure has the beneficial effect that
The disclosure uses full-automatic real-time detection system, which can carry out information to operation phase tunnel inverted arch structure
Change, automation, fining detection, overcomes the shortcomings that traditional monitoring means are influenced by weather, yielded poor results.The system energy simultaneously
Inverted arch internal structure change is enough disclosed, inverted arch lower part pressure from surrounding rock is established and changes over time model, for monitoring operation phase tunnel
Inverted arch safety makes timely early warning to existing security risk and is of great significance.Meanwhile the system can be research fortune
Battalion's phase tunnel surrounding stress, the Variation Features of deformation and tunnel perimeter hydrogeology state of development provide valuable science money
Material.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the general illustration of the present embodiment；
Fig. 2 is the layout diagram of the present embodiment；
Fig. 3 is the detection system top view of the present embodiment；
Fig. 4 is the middle control platform schematic diagram of the present embodiment；
Wherein, the 1. full-automatic real-time monitoring-early warning system of tunnel inverted arch structure, 2. detection systems, 3. wireless signal transmission
System, controls platform in 4., 5. power-supply systems, 6. reflectoscopes, 7. pressure gauges, 8. shells, 9. power transformers, 10. electric wires,
11. country rock, 12. tunnel cross-sections, 13. inverted arch, 14. signal receiving modules, 15. information analysis modules, 16. message output modules,
17. warning module；
Specific embodiment:
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
Embodiment 1:
As shown in Figure 1, a kind of full-automatic real-time monitoring-early warning system (1) of inverted arch structure suitable for runing phase tunnel, by
Detection system (2), wireless signal transmission system (3), middle control platform (4), (5) four part of power-supply system are constituted.Detection system (1)
It is made of reflectoscope (6), pressure gauge (7), shell (8).
As shown in Fig. 2, tunnel cross-section (12) is wrapped in country rock (11), a kind of inverted arch structure suitable for runing phase tunnel
Full-automatic real-time monitoring-early warning system (1) is laid under inverted arch (13).
As shown in figure 3, placing reflectoscope (6), wireless signal transmission system (3), power transformer in shell (8)
(9), pressure gauge (7) is placed in except shell (8), and electric wire (10) is connected with electrical system.
As shown in figure 4, middle control platform (4) includes signal receiving module (14), information analysis module (15), information output mould
Block (16), warning module (17), data information are transmitted to signal receiving module (14) by wireless signal transmission system (3), are passed through
After crossing analysis (15), analysis result is shown by message output module (16), and carry out early warning (17).
Reflectoscope can carry out supersonic sounding, and the information that detection is obtained to concrete in inverted arch and bar construction
Pass to radio transmitting device.
Reflectoscope in detection system, from and power-supply system in power transformer be placed in high-strength shell
It is interior, prevent it to be extruded destruction.
Pressure gauge is installed on high-strength shell exterior to play a role.
High-strength shell use column concrete casing, with prevent internal portion's electronic equipment electromagnetic interference and externally under
Damage of the infiltration of water to electronic equipment.
High-strength shell and the reflectoscope of its positioned inside, wireless signal transmission system, power transformer, in tunnel
It is laid in when construction on the contact surface of inverted arch bottom and country rock.
High-strength shell and pressure gauge influenced by external elements variation it is small, being capable of round-the-clock acquisition information.
Reflectoscope can carry out nondestructive inspection, will not cause structural damage to top inverted arch.
The detection range of reflectoscope can achieve ten meters, meet engineering sounding demand.
Pressure gauge can measure pressure from surrounding rock at this, and obtained information is passed to radio transmitting device.
Detection system can carry out a data acquisition automatically at regular intervals, and information is summarized in time to wireless communication
Number Transmission system.
The first three years of detection system after tunnel is built up, data collection interval can be taken as 12 hours, when hereafter acquiring
Between be spaced and can be taken as 24 or 48 hours.
Wireless signal transmission system can data-signal of the real-time reception from reflectoscope and pressure gauge, and immediately
Information is passed through into the middle control platform of electromagnetic transmission to the Tunnel Engineering.
Under inverted arch internal structural information and inverted arch that the wireless signal transmission system that signal receiving module can receive transmits
Portion's pressure from surrounding rock information.
Message output module can show the information received on a terminal screen, including each inverted arch internal structure is three-dimensional
Perspective view and each inverted arch bottom pressure from surrounding rock time history plot, the clerk of works personnel for middle control platform provide directly
The tunnel inverted arch information of sight.
Information analysis module can judge inverted arch three-dimensional structure, identify tensile crack therein, pressure-break, cut
Crack finds out dangerous crack therein according to certain rule, provides the substantially area of operation phase tunnel inverted arch edge stress distribution
Domain.
Inverted arch three-dimensional structure can be compared with the inverted arch received before three-dimensional structure for information analysis module, find out
Crack in expansion state and the crack in compressive state.
Information analysis module can analyze the variation of inverted arch lower part pressure from surrounding rock, establish inverted arch lower part pressure from surrounding rock and continuously become
Change model, judges current pressure from surrounding rock for the influence degree of inverted arch safety.
Dangerous crack and crack in significant change state can be output on terminal screen by warning module, be provided
The crack form in each crack and issuable corresponding harm remind clerk of works personnel to carry out actual tunnel corresponding site
Investigation, accomplishes to prevent trouble before it happens.
The pressure from surrounding rock change curve that warning module can would tend to precarious position is output to terminal screen, reminds work
Journey supervisor checks actual tunnel corresponding site, accomplishes to prevent trouble before it happens.
Power-supply system is laid in constructing tunnel, is connect with electrical system in tunnel, for other equipment power supply.
A kind of working method of the full-automatic real-time monitoring-early warning system of inverted arch structure suitable for runing phase tunnel, including
Following steps:
Step 1: when tunnel excavation, laying concrete casing (8) and detection system (2), wireless in inverted arch (13) lower part
Signal transmission system (3), power transformer (9)；
Step 2: after tunnel comes into operation, detection system (2) starts to acquire data, passes through ultrasonic inspection at regular intervals
Instrument (6) detects inverted arch (13) internal structure and pressure gauge (7) detects inverted arch (13) lower part pressure from surrounding rock；
Step 3: after detection system has acquired data each time, collected data being sent to wireless signal transmission system
(3)；
Step 4: after wireless signal transmission system (3) receives information, transferring information to middle control platform (4)；
Step 5: middle control bracket signal receiving module (14) receives the information from wireless signal transmission system (3) and passes through
Inverted arch (13) internal structure and inverted arch (13) lower part pressure from surrounding rock change curve are shown in end by information display module (16)
Hold screen；
Step 6: middle control platform information analysis module (15) analyzes the information received, and passes through warning module
(17) it shows the security risk occurred in tunnel, clerk of works personnel is reminded to carry out live investigation, complete primary information acquisition
Analysis and early warning work；
Step 7: repeating step 2 to step 6.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure, it is characterized in that: including:
Detection system, including reflectoscope and pressure gauge, be configured as detection inverted arch internal structure, check for damage and
Measure the pressure from surrounding rock of inverted arch lower part；
Wireless signal transmission system is configured as the collected information of detection system being transmitted to middle control platform；
Middle control platform is configured as analyzing the change of inverted arch lower part pressure from surrounding rock based on the operation phase tunnel inverted arch information received
Change, establish inverted arch lower part pressure from surrounding rock consecutive variations model, judge current pressure from surrounding rock for the influence degree of inverted arch safety,
And corresponding early warning is provided according to influence degree；
Power-supply system, is configured as detection system and wireless signal transmission system provides electric power.
2. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the middle control is flat
Platform includes signal receiving module, message output module, information analysis module and warning module, in which:
The signal receiving module, is configured as being mutually matched with wireless signal transmission system and connect；
The information analysis module is configured as judging inverted arch three-dimensional structure, identifies tensile crack therein, pressure break
Seam and/or shear crack find out dangerous crack therein according to certain rule, provide the distribution of operation phase tunnel inverted arch edge stress
Region；
The warning module, be configured as by dangerous crack and in significant change state crack output, provide each crack
Crack form and issuable corresponding harm；
The message output module, the information for being configured as to receive are shown on a terminal screen, including each inverted arch internal junction
Structure 3 dimensional drawing and each inverted arch bottom pressure from surrounding rock time history plot.
3. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as claimed in claim 2, it is characterized in that: the information point
Inverted arch three-dimensional structure is compared analysis module with the inverted arch three-dimensional structure received before, finds out the crack in expansion state
And the crack in compressive state.
4. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as claimed in claim 2, it is characterized in that: the early warning mould
The pressure from surrounding rock change curve that block is configured as would tend to precarious position is output to terminal screen, reminds clerk of works personnel
Actual tunnel corresponding site is checked, accomplishes to prevent trouble before it happens.
5. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the power supply system
System includes power transformer and the electric wire being attached thereto.
6. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the detection is
System, power-supply system and power-supply system are all set in shell, and the shell is column concrete casing, to prevent internal portion's electricity
Damage of the infiltration of the electromagnetic interference of sub- equipment and external underground water to electronic equipment.
7. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the detection is
System is laid on the contact surface of inverted arch bottom and country rock in constructing tunnel, and the automatic progress data acquisition of timing.
8. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the wireless communication
Number Transmission system can data-signal of the real-time reception from reflectoscope and pressure gauge, and information is passed through into electromagnetism immediately
Wave is transferred to the middle control platform of the Tunnel Engineering.
9. a kind of full-automatic real-time system for monitoring and pre-warning of inverted arch structure as described in claim 1, it is characterized in that: the power supply system
System is laid in constructing tunnel, is connect with electrical system in tunnel.
10. based on the working method of system described in any one of claim 1-9, it is characterized in that: the following steps are included:
When tunnel excavation, concrete casing and detection system, wireless signal transmission are laid every a distance in inverted arch lower part
System and power transformer；
After tunnel comes into operation, detection system starts to acquire data, is detected in inverted arch by reflectoscope at regular intervals
Portion's structure and pressure gauge detect inverted arch lower part pressure from surrounding rock；
After detection system has acquired data each time, collected data are sent to wireless signal transmission system；
After wireless signal transmission system receives information, middle control platform is transferred information to；
Middle control bracket signal receives the information from wireless signal transmission system and passes through information display module for inverted arch internal junction
Structure and inverted arch lower part pressure from surrounding rock change curve are shown in terminal screen, analyze the information received, and pass through
Warning module shows the security risk occurred in tunnel, completes primary information collection analysis early warning work.
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