CN106772556A - A kind of Tunnel prediction device and its application method based on elastic wave reflex method - Google Patents
A kind of Tunnel prediction device and its application method based on elastic wave reflex method Download PDFInfo
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- CN106772556A CN106772556A CN201611243744.1A CN201611243744A CN106772556A CN 106772556 A CN106772556 A CN 106772556A CN 201611243744 A CN201611243744 A CN 201611243744A CN 106772556 A CN106772556 A CN 106772556A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
- G01V1/147—Generating seismic energy using mechanical driving means, e.g. motor driven shaft using impact of dropping masses
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/10—Aspects of acoustic signal generation or detection
- G01V2210/14—Signal detection
- G01V2210/144—Signal detection with functionally associated receivers, e.g. hydrophone and geophone pairs
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of Tunnel prediction device and its application method based on elastic wave reflex method, device includes walking mechanism, exciting agency and controller, the exciting agency is fixed in walking mechanism by telescopic mechanism, and telescopic mechanism drive exciting agency carries out lift adjustment；Exciting agency includes exciting hammer and speed/acceleration wave detector, the controller control exciting hammer applies exciting force to face forecast position, there is reflection, transmission in different wave impedance faces in the elastic wave that exciting force causes, by speed/acceleration wave detector wave recording, and controller is fed back to, the controller wave recording is analyzed.Simple structure of the present invention, and design ingenious, using orientation control, road wheel and telescopic mechanism, can flexibly be adjusted, improve the flexibility of Tunnel prediction.
Description
Technical field
The present invention relates to a kind of Tunnel prediction device and its application method based on elastic wave reflex method.
Background technology
With the fast development of China's transport development, highway, the railway network of country are being planned and perfect.It is economical to meet
Development and demand, when highway, railway enter mountainous terrain, with regard to inevitably needing to be passed through using tunnel.Tunnel is
" lifeline " engineering, is also underground engineering, and the engineering geological condition of its disguised and massif will all form the weight to construction safety
Big hidden danger, and the geological disaster of accurate forecast front of tunnel heading and it is aided with appropriate working measure, disaster can be prevented effectively from
Occur.
In advanced prediction field, the geophysical prospecting method such as TSP methods and geologic radar detection method serves beneficial effect simultaneously extensively
Tunnel prediction field is applied to, but they still suffer from deficiency.First, in TSP methods, receiver away from face distance about 55m,
And need to punch in advance, and explosion is carried out, the flexibility shortcoming of the method；Then, geological radar method multi-solution is stronger, radar antenna
It is difficult to have with face and preferably couples, metal object also can produces considerable influence to radar detection result.
Regarding to the issue above, a kind of reasonable, flexible brand-new apparatus and method are needed badly, enables each geophysical prospecting method mutually auxiliary
Help, mutually confirm, to improve the accuracy rate of physical prospecting and the security of construction operation.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of Tunnel prediction device based on elastic wave reflex method and
Its application method, the present invention easily, tunnel tunnel face front geological condition can be detected, and improve working security.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of Tunnel prediction device based on elastic wave reflex method, including walking mechanism, exciting agency and controller,
The exciting agency is fixed in walking mechanism by telescopic mechanism, and telescopic mechanism drive exciting agency carries out rising-falling tone
Section；
The exciting agency includes exciting hammer and speed/acceleration wave detector, and the controller control exciting hammer is to area
Face forecast position apply exciting force, the elastic wave that exciting force causes different wave impedance faces occur reflection, transmission, by speed/plus
Velocity detector wave recording, and controller is fed back to, the controller wave recording is analyzed.
The walking mechanism, including car body, the car body lower end are provided with road wheel, and control vehicle with walking machine is fixed with car body
The handle-bar of structure angle.
The telescopic mechanism includes retractable support lever and multiple fastening bolts, and the fastening bolt is set in turn in can
On telescopic supporting rod, realize that the gradin of retractable support lever stretches.
The fixing groove for fixing exciting agency is provided with the top of the retractable support lever.
The exciting agency is connected on telescopic mechanism by connecting rod, is provided with the exciting face of the exciting agency
Multiple scalable push rods, each scalable push rod end is provided with exciting hammer.
The exciting agency speed/acceleration wave detector is multiple, is uniformly arranged on exciting face.
The controller communicates with remote control PC ends.
Based on the application method of above-mentioned Tunnel prediction device, telescopic mechanism liter is down to height to be measured, promotes row
Mechanism is walked, makes exciting agency to interception is treated, speed/acceleration wave detector is fitted with tunnel tunnel face, will be using controller
Floating-point amplifier, gain, unit and excitation parameter be set, control exciting hammer realizes exciting, speed/acceleration wave detector will receive
Signal transmission carries out comprehensive analysis to controller according to amplitude, phase factor.
Analysis method is the common knowledge of elastic wave principle.Its general principle is：If surrounding rock structure integrality is preferably, ripple
Shape is gentle；There is reflected amplitude higher, represent that the rock density of reflecting interface is higher；It is that positive reflection is shaken that phase occurs in waveform
Width, represents that reflecting interface rock is harder；It is negative reflected amplitude that phase occurs in waveform, represents that reflecting interface is weaker.
Speed/acceleration wave detector is fitted with tunnel tunnel face position to be measured, carries out exciting, and extension type push rod is by exciting
Hammer into shape and released to face, withdrawn after applying hammer force, realize multi-point exciting, multi-point signal is received.
Beneficial effects of the present invention are：
(1) simple structure of the present invention, and design ingenious, using orientation control, road wheel and telescopic mechanism, Neng Gouling
Work is adjusted, and improves the flexibility of Tunnel prediction；
(2) exciting source of the invention and reception wave detector realize the Real-time Feedback of forecast result on same exciting face；
(3) it is combined with other geophysical prospecting methods, improves the accuracy of advanced prediction.Multi-solution is geophysical exploration
Build-in attribute, the present invention can be combined with the geologic radar detection based on different principle, be conducive to reducing the scope for solving, and be visited with it
Survey result mutually to confirm, improve the accuracy of advanced prediction.
(4) it is simple to operate, with wide applicability, is given the correct time face is disturbed minimum in advance, in having evaded advanced prediction
Security risk
Brief description of the drawings
Fig. 1 is based on the Tunnel prediction system schematic of elastic wave reflex method；
Fig. 2 is controlled and data processing equipment schematic diagram；
Fig. 3 exciting reception device schematic diagrames；
Fig. 4 exciting reception device plans.
In figure, 1-exciting agency；2-connecting rod；3-heavy castor；4-retractable support lever；5-advanced prediction system
System vehicle body；6-fixing groove；7-fastening bolt；8-fastening bolt；9-fastening bolt；10-control and data processing equipment
(PDA)；11-console；12-handle-bar；13-can Touch-control liquid crystal display screen；14-power knob；15-selection key；
16-data transfer link slot；17-settings button；18-filtering button；19-exciting button；20-analysis button；21-swash
Vibration hammer；22-scalable push rod；23-speed/acceleration wave detector.
Specific embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of Tunnel prediction system based on elastic wave reflex method, including walking mechanism, vibration exciter
Structure and controlling organization.Walking mechanism includes castor and handle-bar, control forecast system orientation.Exciting agency includes Height Adjustment
Device and exciting device, height adjuster are made up of fastening bolt and retractable support lever, and retractable support lever realizes lifting,
Fastening bolt plays fixation.Exciting device includes exciting hammer and speed/acceleration wave detector, is hammered into shape by controlling organization control exciting
Exciting force is applied to face forecast position, the elastic wave that exciting force causes occurs reflection, transmission in different wave impedance faces, by speed
Degree/acceleration detector wave recording, and by PDA treatment in control device, recorded and analyzed.
Heavy castor 8 improves the flexibility of advanced forecasting system, and its direction of travel is controlled by handle-bar 12, forecasts personnel
Direction of propulsion handle simultaneously controls to put down, and positioned at vehicle body lower section four, heavy castors are achieved car body translation and direction conversion.
Exciting agency：Exciting device includes exciting hammer tup 21, extension type exciting hammer hammer body 22 and speed/acceleration inspection
Ripple device 23.Height adjuster includes telescopic support bar 4 and fastening bolt.Forecast personnel's rotational fastener bolt, realizes pre-
Report region height adjustment, forecast system orientation is adjusted by walking mechanism, speed/acceleration wave detector is treated with tunnel tunnel face
Location puts laminating, presses exciting button 19, and extension type push rod 22 releases exciting hammer 21 to face, is received after applying hammer force
Return, realize multi-point exciting, multi-point signal is received.Wave detector record receives elastic wave velocity signal and acceleration signal, wirelessly
Transmit to control and data processing equipment 10.
Controlling organization：Controlling organization is made up of console 11 with control and data processing equipment 10.Control and data processing
Device is the PDA based on android system, it include power knob 14, selection key 15, settings button 17, filtering button 18,
Exciting button 19 and analysis button 20, it is docked with console by data transfer link slot 16, and its data cube computation groove can pass through
Data wire transmits to PC ends data measured.
Clear, complete description will be carried out to application method step of the invention below.
Adjustment fastening bolt make telescopic support bar to height to be measured, push away forecast system to interception is treated, make speed/plus
Velocity detector 23 is fitted with tunnel tunnel face, will be controlled and the data transfer link slot 16 in data processing equipment 10 and control
Platform 11 is docked, and turns on the power button 14, completes forecast preparation；Point settings button 17 is set floating-point amplifier, is increased automatically
Benefit, unit and excitation parameter, also can select manual arrange parameter by selection key 15；After parameter setting is finished, pressed by exciting
Button realizes exciting, and the signal transmission that speed/acceleration wave detector 23 will receive to console, forecast personnel press analysis button 20,
Data processing equipment will carry out comprehensive analysis and provide analysis result according to factors such as amplitude, phases；By data transfer link slot 16
PC can be sent data to be further processed and analyze, forecast accuracy is improved.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (9)
1. a kind of Tunnel prediction device based on elastic wave reflex method, it is characterized in that：Including walking mechanism, exciting agency and
Controller, the exciting agency is fixed in walking mechanism by telescopic mechanism, and telescopic mechanism drive exciting agency is carried out
Lift adjustment；
The exciting agency includes exciting hammer and speed/acceleration wave detector, and the controller control exciting hammer is pre- to face
Report position applies exciting force, and the elastic wave that exciting force causes occurs reflection, transmission in different wave impedance faces, by speed/acceleration
Wave detector wave recording, and controller is fed back to, the controller wave recording is analyzed.
2. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 1, it is characterized in that：The row
Mechanism, including car body are walked, the car body lower end is provided with road wheel, the direction handle of control walking mechanism angle is fixed with car body
Hand.
3. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 1, it is characterized in that：It is described can
Telescoping mechanism includes retractable support lever and multiple fastening bolts, and the fastening bolt is set in turn on retractable support lever,
Realize that the gradin of retractable support lever stretches.
4. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 3, it is characterized in that：It is described can
The fixing groove for fixing exciting agency is provided with the top of telescopic supporting rod.
5. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 1, it is characterized in that：It is described to swash
Mechanism of shaking is connected on telescopic mechanism by connecting rod, and multiple scalable push away is provided with the exciting face of the exciting agency
Bar, each scalable push rod end is provided with exciting hammer.
6. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 1, it is characterized in that：It is described to swash
Shake mechanism speed/acceleration wave detector for multiple, be uniformly arranged on exciting face.
7. a kind of Tunnel prediction device based on elastic wave reflex method as claimed in claim 1, it is characterized in that：The control
Device processed communicates with remote control PC ends.
8. the application method of the Tunnel prediction device being based on any one of claim 1-7, it is characterized in that：Can stretch
Contracting mechanism rises and is down to height to be measured, promotes walking mechanism, makes exciting agency to interception is treated, make speed/acceleration wave detector with
Tunnel tunnel face is fitted, and will set floating-point amplifier, gain, unit and excitation parameter using controller, and control exciting hammer is realized swashing
Shake, the signal transmission that speed/acceleration wave detector will receive carries out comprehensive analysis to controller according to amplitude, phase factor.
9. application method as claimed in claim 8, it is characterized in that：Speed/acceleration wave detector treats location with tunnel tunnel face
Laminating is put, exciting is carried out, exciting is hammered into shape and released to face by extension type push rod, withdrawn after applying hammer force, realize that multiple spot swashs
Shake, multi-point signal is received.
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| CN201611243744.1A CN106772556A (en) | 2016-12-29 | 2016-12-29 | A kind of Tunnel prediction device and its application method based on elastic wave reflex method |
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| CN201611243744.1A CN106772556A (en) | 2016-12-29 | 2016-12-29 | A kind of Tunnel prediction device and its application method based on elastic wave reflex method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272054A (en) * | 2017-06-13 | 2017-10-20 | 山东大学 | Tunnel geological forecast system and application method based on seismic reflection method |
| CN109375263A (en) * | 2018-12-04 | 2019-02-22 | 山东大学 | A kind of earthquake advanced prediction device, system and method suitable for drill+blast tunnel |
| CN112859151A (en) * | 2021-01-17 | 2021-05-28 | 吉林大学 | Hydraulic servo controllable seismic source for tunnel advance prediction |
| CN114200513A (en) * | 2021-12-15 | 2022-03-18 | 中国地质大学（北京） | Be used for three-dimensional advance geology predictor of tunnel long distance |
| CN115508458A (en) * | 2022-08-25 | 2022-12-23 | 山东大学 | Tunnel lining quality detection device and method based on elastic wave analysis |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272054A (en) * | 2017-06-13 | 2017-10-20 | 山东大学 | Tunnel geological forecast system and application method based on seismic reflection method |
| CN109375263A (en) * | 2018-12-04 | 2019-02-22 | 山东大学 | A kind of earthquake advanced prediction device, system and method suitable for drill+blast tunnel |
| CN112859151A (en) * | 2021-01-17 | 2021-05-28 | 吉林大学 | Hydraulic servo controllable seismic source for tunnel advance prediction |
| CN112859151B (en) * | 2021-01-17 | 2024-05-03 | 吉林大学 | Hydraulic servo controllable seismic source for advanced prediction of tunnel |
| CN114200513A (en) * | 2021-12-15 | 2022-03-18 | 中国地质大学（北京） | Be used for three-dimensional advance geology predictor of tunnel long distance |
| CN115508458A (en) * | 2022-08-25 | 2022-12-23 | 山东大学 | Tunnel lining quality detection device and method based on elastic wave analysis |
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