CN102645669A - Device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and usage method - Google Patents
Device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and usage method Download PDFInfo
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- CN102645669A CN102645669A CN2012101392218A CN201210139221A CN102645669A CN 102645669 A CN102645669 A CN 102645669A CN 2012101392218 A CN2012101392218 A CN 2012101392218A CN 201210139221 A CN201210139221 A CN 201210139221A CN 102645669 A CN102645669 A CN 102645669A
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Abstract
The invention discloses a device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and a usage method. The device comprises a TBM cutter head, wherein a plurality of groups of hob blades are arranged on the TBM cutter head along the radial direction, vibration exciter telescoping grooves and detector telescoping grooves are arranged on one side of one of the groups of hob blades at intervals, vibration exciters and detectors are correspondingly mounted in the vibration exciter telescoping grooves and the detector telescoping grooves, and the detectors are connected with a data processing terminal through signal transmission wires. During usage, the vibration exciter telescoping grooves with the vibration exciters are extended out to be closely connected with front rock masses and used as a shocking source, one ends of the detector telescoping grooves with the detectors are coated with grease, and the detector telescoping grooves are extended out to be closely connected with the front rock masses and used for receiving reflected waves. The device for forecasting geologies in advance during TBM construction by using shock signals has the advantages of being simple in structure, high in detection accuracy, anti-interference, convenient to measure, telescopic, high in measurement coupling accuracy and the like.
Description
Technical field
The present invention relates to a kind of blipology, utilize the device and the method for application of vibration signal advance geologic prediction in specifically a kind of TBM method construction.
Background technology
A large amount of Tunnel Engineering are arranged in China's water conservancy and hydropower, the field of traffic; The Tunnel Engineering geologic hazard is the key factor of restriction constructing tunnel; Because the tunnel front geological condition is not clear, unforeseen geologic hazard often appears often, like gushing water, prominent mud, cave in, rock burst and harmful gas etc.In a single day disaster takes place, and the facility that gently then destroy by rush of water flood the tunnel, and normal construction is compelled to interrupt; Heavy then cause great casualties, produce enormous economic loss, even some underground works can therefore compelledly be suspended or relocate.TBM (Tunnel Boring Machine) rock tunnel(ling) machine is to utilize rotating tool excavation, and country rock and driving in the broken hole simultaneously form a kind of novel, the advanced tunnel construction machinery of whole tunnel cross-section; With respect to method commonly used at present, TBM integrates brill, driving, supporting, uses new and high technologies such as electronics, information, remote measurement, remote control that whole operations are guided and monitored, and makes tunneling process be in optimum condition all the time.In the world, be widely used in the engineerings such as water conservancy and hydropower, mining, traffic, municipal administration, national defence at present.At present, the engineering of domestic use TBM is more and more, but when using the TBM driving, can't in time predict for the geological condition of front of tunnel heading, exists great potential safety hazard.
Summary of the invention
The objective of the invention is for overcoming the deficiency of above-mentioned prior art, a kind of emission is provided and receive that signal is good, detection accuracy is high, anti-interference, convenient measurement, scalable, measure device and the method for application of utilizing the vibration signal advance geologic prediction in the high TBM method construction of coupling precision.
For realizing above-mentioned purpose, the present invention adopts following technical proposals:
Utilize the device of vibration signal advance geologic prediction in a kind of TBM method construction; Comprise the TBM cutterhead; Radially be provided with some groups of roll blades on the said TBM cutterhead; Be interval with vibration exciter telescopic chute and wave detector telescopic chute along a side of one group of roll blade wherein, in vibration exciter telescopic chute and the wave detector telescopic chute respectively correspondence be provided with vibration exciter and wave detector; Wave detector links to each other with data processing terminal through signal transmssion line.
Said vibration exciter telescopic chute has five at least.
Said wave detector telescopic chute has six at least.
Said vibration exciter is the paddle type mill vibroseis generator, and it is connected to form by shake bar and epicenter excitation head, vibration signal is transferred to vibrations excites head through impacting the shake bar, is excited by vibrations vibration signal to be propagated in the rock mass of the place ahead again.
Said wave detector front end is provided with wave detector butter soil layer; The rear end is provided with signal transmssion line; Wave detector when wave detector receives reflection wave, is transferred to data processing terminal through signal transmssion line with reflection wave signal through wave detector butter soil layer and the coupling of the place ahead rock mass.
Said vibration exciter telescopic chute and wave detector telescopic chute all can stretch.
Utilize the method for application of the device of vibration signal advance geologic prediction in a kind of TBM method construction, step is following:
The vibration exciter telescopic chute that 1) vibration exciter will be housed earlier stretches out, until with the place ahead rock mass close proximity, as focus;
2) the wave detector telescopic chute one end coating butter of wave detector will be housed again, equally with its stretch out until with the place ahead rock mass close proximity, be used to receive reflection wave;
3) impact vibration exciter then one by one, vibration signal is transferred to vibrations excites head, excite head that vibration signal is propagated in the rock mass of the place ahead by vibrations again; Receive reflection wave through wave detector simultaneously, reflection wave signal is transferred to data processing terminal, then signal is analyzed, thereby judge front geological condition through signal transmssion line.
Beneficial effect of the present invention is, that the present invention has is simple in structure, detection accuracy is high, anti-interference, convenient measurement, scalable, measure coupling precision advantages of higher.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the exciter structure synoptic diagram;
Fig. 3 is the detector structure synoptic diagram;
Wherein, 1. vibration exciter, 2. wave detector, 3. wave detector butter soil layer, 4. vibration exciter telescopic chute, 5. wave detector telescopic chute, 6. roll blade, the 7.TBM cutterhead, 8. signal transmssion line, 9. shake bar, 10. vibrations excite head.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1-shown in Figure 3; Utilize the device of vibration signal advance geologic prediction in the construction of TBM method; Comprise vibration exciter 1, wave detector 2, vibration exciter telescopic chute 4, wave detector telescopic chute 5 and TBM cutterhead 7; Vibration exciter telescopic chute 4 and wave detector telescopic chute 5 roll blade 6 one sides on TBM cutterhead 7 that are crisscross arranged, scalable, be respectively applied for and place vibration exciter 1 and wave detector 2.
Said vibration exciter 1 is the paddle type mill vibroseis generator, vibration signal is transferred to vibrations excites 10 through impacting shake bar 9, excites 10 vibration signal propagated in the rock mass of the place ahead by vibrations again.
As shown in Figure 1, the present invention is provided with five vibration exciter telescopic chutes 4 and six wave detector telescopic chutes 5 altogether on TBM cutterhead 7, be staggered in a side of roll blade 6.
During measurement, the vibration exciter telescopic chute 4 that vibration exciter 1 will be housed earlier stretches out, until with the place ahead rock mass close proximity, as focus;
The wave detector telescopic chute 5 one end coating butters that wave detector 2 will be housed again form wave detector butter soil layer 3, equally with its stretch out until with the place ahead rock mass close proximity, be used to receive reflection wave;
Impact vibration exciter 1 then one by one, vibration signal is transferred to vibrations excites 10, excite 10 vibration signal propagated in the rock mass of the place ahead by vibrations again; Receive reflection waves through wave detector 2 simultaneously, reflection wave signal is transferred to data processing terminal, then signal is analyzed, thereby judged front geological condition through signal transmssion line 8.
Though the above-mentioned accompanying drawing specific embodiments of the invention that combines is described; But be not restriction to protection domain of the present invention; One of ordinary skill in the art should be understood that; On the basis of technical scheme of the present invention, those skilled in the art need not pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. utilize the device of vibration signal advance geologic prediction during a TBM method is constructed; It is characterized in that; Comprise the TBM cutterhead; Radially be provided with some groups of roll blades on the said TBM cutterhead, be interval with vibration exciter telescopic chute and wave detector telescopic chute along a side of one group of roll blade wherein, in vibration exciter telescopic chute and the wave detector telescopic chute respectively correspondence be provided with vibration exciter and wave detector; Wave detector links to each other with data processing terminal through signal transmssion line.
2. device as claimed in claim 1 is characterized in that, said vibration exciter telescopic chute has five at least.
3. device as claimed in claim 1 is characterized in that, said vibration exciter is the paddle type mill vibroseis generator, and it is connected to form by shake bar and epicenter excitation head.
4. device as claimed in claim 1 is characterized in that, said wave detector telescopic chute has six at least.
5. device as claimed in claim 1 is characterized in that, said wave detector front end is provided with wave detector butter soil layer, and the rear end is provided with signal transmssion line.
6. device as claimed in claim 1 is characterized in that, said vibration exciter telescopic chute and wave detector telescopic chute all can stretch.
7. method of application of utilizing each described device among the claim 1-6 is characterized in that step is following:
The vibration exciter telescopic chute that 1) vibration exciter will be housed earlier stretches out, until with the place ahead rock mass close proximity, as focus;
Wave detector telescopic chute one end that 2) wave detector will be housed is again smeared one deck butter, equally with its stretch out until with the place ahead rock mass close proximity, be used to receive reflection wave;
3) impact vibration exciter then one by one, vibration signal is transferred to vibrations excites head, excite head that vibration signal is propagated in the rock mass of the place ahead by vibrations again; Receive reflection wave through wave detector simultaneously, reflection wave signal is transferred to data processing terminal, then signal is analyzed, thereby judge front geological condition through signal transmssion line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101392218A CN102645669A (en) | 2012-05-08 | 2012-05-08 | Device for forecasting geologies in advance during tunnel boring machine (TBM) construction by using shock signals and usage method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692639A (en) * | 2012-06-21 | 2012-09-26 | 山东大学 | Advanced geological forecast device utilizing vibration signals in construction with shield method and using method of advanced geological forecast device |
| WO2014106308A1 (en) * | 2013-01-07 | 2014-07-10 | 山东大学 | Advanced detection device, system and method using forward three-dimensional induced polarization for tbm construction tunnel |
| US9091779B2 (en) | 2013-01-07 | 2015-07-28 | Shandong University | Advanced detector system and method using forward three-dimensional induced polarization method for TBM construction tunnel |
| CN106703822A (en) * | 2017-03-06 | 2017-05-24 | 北京水工资环新技术开发有限公司 | Elastic wave reflecting method device installed on shield and its measuring method |
| CN106772556A (en) * | 2016-12-29 | 2017-05-31 | 山东大学 | A kind of Tunnel prediction device and its application method based on elastic wave reflex method |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN111722288A (en) * | 2020-05-12 | 2020-09-29 | 山东大学 | Sea-tunnel combined seismic detection method and system based on marine noise |
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| JPH11125090A (en) * | 1997-10-22 | 1999-05-11 | Kajima Corp | Technique and device for evaluating ground of method of tbm construction method by analysis of excavation sound |
| JP2002168840A (en) * | 2000-11-30 | 2002-06-14 | Maeda Corp | Method and apparatus for detection of abnormal part in rock mass or various materials |
| CN101261325A (en) * | 2008-04-21 | 2008-09-10 | 中铁西南科学研究院有限公司 | Geological advanced prediction method suitable for TBM construction |
| CN202563099U (en) * | 2012-05-08 | 2012-11-28 | 山东大学 | Device carrying out advance geology forecasting through vibration signals during construction of tunnel boring machine (TBM) method |
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Patent Citations (5)
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| JPH07280946A (en) * | 1994-03-29 | 1995-10-27 | Amberg Measuring Technik Ltd | Device for searching front of cutting edge in tunnel diggingmachine |
| JPH11125090A (en) * | 1997-10-22 | 1999-05-11 | Kajima Corp | Technique and device for evaluating ground of method of tbm construction method by analysis of excavation sound |
| JP2002168840A (en) * | 2000-11-30 | 2002-06-14 | Maeda Corp | Method and apparatus for detection of abnormal part in rock mass or various materials |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692639A (en) * | 2012-06-21 | 2012-09-26 | 山东大学 | Advanced geological forecast device utilizing vibration signals in construction with shield method and using method of advanced geological forecast device |
| CN102692639B (en) * | 2012-06-21 | 2015-04-22 | 山东大学 | Advanced geological forecast device utilizing vibration signals in construction with shield method and using method of advanced geological forecast device |
| WO2014106308A1 (en) * | 2013-01-07 | 2014-07-10 | 山东大学 | Advanced detection device, system and method using forward three-dimensional induced polarization for tbm construction tunnel |
| US9091779B2 (en) | 2013-01-07 | 2015-07-28 | Shandong University | Advanced detector system and method using forward three-dimensional induced polarization method for TBM construction tunnel |
| CN106772556A (en) * | 2016-12-29 | 2017-05-31 | 山东大学 | A kind of Tunnel prediction device and its application method based on elastic wave reflex method |
| CN106703822A (en) * | 2017-03-06 | 2017-05-24 | 北京水工资环新技术开发有限公司 | Elastic wave reflecting method device installed on shield and its measuring method |
| CN108802808A (en) * | 2018-06-19 | 2018-11-13 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN111722288A (en) * | 2020-05-12 | 2020-09-29 | 山东大学 | Sea-tunnel combined seismic detection method and system based on marine noise |
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Application publication date: 20120822 |