CN102565848B - Utilize the method for resonance wave imaging detection solution cavity - Google Patents
Utilize the method for resonance wave imaging detection solution cavity Download PDFInfo
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- CN102565848B CN102565848B CN201010578902.5A CN201010578902A CN102565848B CN 102565848 B CN102565848 B CN 102565848B CN 201010578902 A CN201010578902 A CN 201010578902A CN 102565848 B CN102565848 B CN 102565848B
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Abstract
<b> the invention discloses a kind of method and the device that utilize resonance wave detection solution cavity, the present invention utilizes an acoustic emission apparatus around solution cavity, to send excitation wave as vibration source, the seismic event utilizing excitation wave to inspire in underground or sound wave and near solution cavity produce the phenomenon resonated, receive resonance wave by receiving trap, detect the unknown solution cavity of check point periphery according to the resonance wave received.Method of the present invention makes full use of exploratory hole, flexible working mode, instrument and equipment requirement is simple, abnormal obviously, data interpretation is convenient, successful, is a kind of effective ways of CAVE DETECTION, fully develops the task performance of engineering seismograph and sonic apparatus.Equipment therefor of the present invention, structure is simple, scene is easy to operation, anomalous identification is explained intuitively, work efficiency is high, applied widely.The maximum range of this method can reach hole week tens meters.The Exploring Cavern work in the fields such as urban construction, water conservancy and hydropower, road and rail can be widely used in.</b>
Description
Technical field
The present invention relates to a kind of method utilizing resonance wave imaging detection solution cavity, belong to geology detecting technical field.
Background technology
the method detecting solution cavity in engineering investigation is more, at present, often adopt the mode of probing to detect solution cavity in the prior art, due to the randomness that solution cavity is grown, often thickly dotted boring has been played in a place, but boring and the solution cavity situation still in " edge ball ", cannot detect reliably.So existing probing mode merely can not solve CAVE DETECTION problem effectively.
Summary of the invention
the object of the invention is to, provide a kind of amount of probing less, work efficiency is high, detection accuracy the is higher method and the device that utilize resonance wave imaging detection solution cavity, to overcome the deficiencies in the prior art.
technical scheme of the present invention is achieved in that a kind of method utilizing resonance wave to detect solution cavity of the present invention utilizes an acoustic emission apparatus around solution cavity, to send excitation wave as vibration source, the seismic event utilizing excitation wave to inspire in underground or sound wave and near solution cavity produce the phenomenon resonated, receive resonance wave by receiving trap, detect the unknown solution cavity of check point periphery according to the resonance wave received.
aforementionedly utilize in the method for resonance wave imaging detection solution cavity, described check point is plural boring, and the spacing between boring and boring is 10 ~ 50 meters, and hole depth is greater than pitch-row.
aforementionedly utilize in the method for resonance wave imaging detection solution cavity, described emitter and receiving trap keep the fixing discrepancy in elevation, excite successively from top to bottom or from bottom to top same filling in the vertical drilling of water and receive, obtain one be the longitudinal axis with hole depth, take wave time as the fluctuation array of figure of transverse axis, be called that single hole detects; During single hole detection, at least need measurement two boring, to obtain plural fluctuation array of figure.
aforementionedly utilize in the method for resonance wave imaging detection solution cavity, described emitter and receiving trap keep the fixing discrepancy in elevation, put into two vertical drillings filling water respectively excite successively from top to bottom or from bottom to top and receive, to obtain with hole depth be the longitudinal axis, take wave time as the fluctuation array of figure of transverse axis, be called and detect across hole.
aforementionedly utilize in the method for resonance wave imaging detection solution cavity, describedly horizontal synchronization and two can be adopted to intersect tiltedly synchronous modes across hole detection to obtain 3 fluctuation array of figure.
aforementionedly utilize in the method for resonance wave imaging detection solution cavity, by the distance of extremely holing to Induction Peried and the country rock velocity of wave calculating solution cavity of resonance wave in described two or more fluctuation array of figure, adopt the orientation of three-dimensional time Convergence method determination solution cavity, and draw the stereographic map of solution cavity.
according to the aforementioned device utilizing the method for resonance wave imaging detection solution cavity used, comprise emitter and receiving trap, emitter adopts spark emission machine, and receiving trap adopts seismograph or sonic apparatus; Spark emission machine is connected with transmitting probe through launching connecting line, and seismograph or sonic apparatus are connected with receiving transducer through receiving connecting line; Transmitting probe and receiving transducer are fixed on the wire rope of drilling orifice place winch.
in aforesaid device, described spark emission machine is connected through signal synchronized links line with between seismograph or sonic apparatus.
in aforesaid device, described drilling orifice place is provided with well head pulley.
owing to have employed technique scheme, the seismic event that the present invention utilizes underground to excite or sound wave and neighbouring solution cavity produce the phenomenon that resonates to detect the unknown solution cavity between borehole circumference or hole, the method makes full use of exploratory hole, does not need the many holes of thickly dotted brill near solution cavity; Flexible working mode, instrument and equipment require simply, extremely obvious, data interpretation is convenient, successful, are a kind of effective ways of CAVE DETECTION, fully develop the task performance of engineering seismograph and sonic apparatus.Therefore, the present invention compared with prior art, the present invention not only have probing amount less, work efficiency is high, detection accuracy is high advantage, but also have that detection cost is lower, good reliability, operation use advantages such as all facilitating.Maximum range of the present invention can reach hole week tens meters.The present invention can be widely used in the Exploring Cavern work in the fields such as urban construction, water conservancy and hydropower, road and rail.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the structural representation across hole detection.
being labeled as in accompanying drawing: 1-spark emission machine, 2-seismograph or sonic apparatus, 3-receiving transducer, 4-transmitting probe, 5-winch, 6-well head pulley, 7-launches connecting line, 8-signal synchronized links line, 9-Received signal strength connecting line, 10-solution cavity.
Embodiment
below in conjunction with drawings and Examples, the present invention is described in further detail, but not as the foundation of the present invention being carried out to any restriction.
embodiment 1:
a kind of method utilizing resonance wave to detect solution cavity of the present invention utilizes an acoustic emission apparatus around solution cavity 10, to send excitation wave as vibration source, the seismic event utilizing excitation wave to inspire in underground or sound wave and near solution cavity produce the phenomenon resonated, receive resonance wave by receiving trap, detect the unknown solution cavity of check point periphery according to the resonance wave received.Described check point is plural boring, and the spacing between boring and boring is 10 ~ 50 meters, and hole depth is greater than pitch-row.Described emitter and receiving trap keep the fixing discrepancy in elevation, excite successively from top to bottom or from bottom to top same filling in the vertical drilling of water and receive, obtain one be the longitudinal axis with hole depth, take wave time as the fluctuation array of figure of transverse axis, be called that single hole detects; During single hole detection, at least need measurement two boring, to obtain plural fluctuation array of figure.By the distance of extremely holing to Induction Peried and the country rock velocity of wave calculating solution cavity of resonance wave in described two or more fluctuation array of figure, adopt the orientation of three-dimensional time Convergence method determination solution cavity, and draw the stereographic map of solution cavity.
in this example, utilize resonance wave to detect the apparatus structure schematic diagram of solution cavity as shown in Figure 1 for the inventive method a kind of, this device comprises emitter and receiving trap, and emitter adopts spark emission machine 1, and receiving trap adopts seismograph or sonic apparatus 2; Spark emission machine 1 is connected with transmitting probe 4 through launching connecting line 7, and seismograph or sonic apparatus 2 are connected with receiving transducer 3 through receiving connecting line 9; Transmitting probe 4 and receiving transducer 3 are fixed on the wire rope of drilling orifice place winch 5.Described spark emission machine 1 be connected described drilling orifice place through signal synchronized links line 8 between seismograph or sonic apparatus 2 and be provided with well head pulley 6.
embodiment 2:
a kind of method utilizing resonance wave to detect solution cavity of the present invention is adopted to carry out detection solution cavity, the method utilizes an acoustic emission apparatus around solution cavity 10, to send excitation wave as vibration source, the seismic event utilizing excitation wave to inspire in underground or sound wave and near solution cavity produce the phenomenon resonated, receive resonance wave by receiving trap, detect the unknown solution cavity of check point periphery according to the resonance wave received.Described check point is plural boring, and the spacing between boring and boring is 10 ~ 50 meters, and hole depth is greater than pitch-row.Described emitter and receiving trap keep the fixing discrepancy in elevation, put into two vertical drillings filling water respectively excite successively from top to bottom or from bottom to top and receive, to obtain with hole depth be the longitudinal axis, take wave time as the fluctuation array of figure of transverse axis, be called and detect across hole.Horizontal synchronization and two tiltedly synchronous modes of intersection can be adopted to obtain 3 fluctuation array of figure across hole detection.By the distance of extremely holing to Induction Peried and the country rock velocity of wave calculating solution cavity of resonance wave in two or more fluctuation array of figure, adopt the orientation of three-dimensional time Convergence method determination solution cavity, and draw the stereographic map of solution cavity.
as shown in Figure 2, this device comprises emitter and receiving trap to a kind of apparatus structure schematic diagram utilizing resonance wave to detect solution cavity used in this example, and emitter adopts spark emission machine 1, and receiving trap adopts seismograph or sonic apparatus 2; Spark emission machine 1 is connected with transmitting probe 4 through launching connecting line 7, and seismograph or sonic apparatus 2 are connected with receiving transducer 3 through receiving connecting line 9; Transmitting probe 4 and receiving transducer 3 are fixed on the wire rope of drilling orifice place winch 5.Described spark emission machine 1 be connected described drilling orifice place through signal synchronized links line 8 between seismograph or sonic apparatus 2 and be provided with well head pulley 6.
the phenomenon that the present invention utilizes solution cavity near seismic event or sound wave and boring to produce to resonate and characteristic carry out solution cavity between exploration hole week or hole.Its emitter uses traditional spark emission machine, and receiving trap uses existing seismograph or sonic apparatus, before concrete enforcement, select by requirements of resonance wave probe method or transformation seismograph (or sonic apparatus) extremely consistent with the performance of electric spark instrument.During single hole detection, keeping fixed range to be placed on transmitting and receiving probe fills in the hole of water, from at the bottom of hole to aperture or from aperture to hole at the bottom of excite successively and receive, being formed with hole depth is the longitudinal axis, take wave time as the fluctuation array of figure of transverse axis, by identifying in array of figure that whether having resonance to involve the depth range of resonance wave in array of figure judges whether hole week exists solution cavity, cavern depth scope, by the distance that Induction Peried and the country rock velocity of wave calculating solution cavity of resonance wave in array of figure are extremely holed, multiple adjacent boring can be utilized to adopt the three-dimensional time to hand over the orientation of painting method determination solution cavity.When detecting across hole, transmitting and receiving maintenance is fixed relatively the discrepancy in elevation constant, observe successively to aperture at the bottom of from aperture to hole or at the bottom of hole, can adopt horizontal synchronization, two intersect tiltedly synchronous modes measure, form 3 fluctuation array of figure, carry out plane by the position of resonance wave in 3 array of figure and hand over the position of painting method determination solution cavity.Instrument equipment of the present invention is simple, scene is easy to operation, anomalous identification is explained intuitively, work efficiency is high, applied widely.Maximum range of the present invention can reach hole week tens meters.The Exploring Cavern work in the fields such as urban construction, water conservancy and hydropower, road and rail can be widely used in.
Claims (5)
1. the method utilizing resonance wave to detect solution cavity, it is characterized in that: the method utilizes an acoustic emission apparatus around solution cavity, to send excitation wave as vibration source, the seismic event utilizing excitation wave to inspire in underground or sound wave and near solution cavity produce the phenomenon resonated, receive resonance wave by receiving trap, detect the unknown solution cavity of check point periphery according to the resonance wave received; Described check point is plural boring, and the spacing between boring and boring is 10 ~ 50 meters, and hole depth is greater than pitch-row.
2. utilize the method for resonance wave imaging detection solution cavity according to claim 1, it is characterized in that: described emitter and receiving trap keep the fixing discrepancy in elevation, excite successively from top to bottom or from bottom to top same filling in the vertical drilling of water and receive, obtain one be the longitudinal axis with hole depth, take wave time as the fluctuation array of figure of transverse axis, be called that single hole detects; During single hole detection, at least need measurement two boring, to obtain plural fluctuation array of figure.
3. utilize the method for resonance wave imaging detection solution cavity according to claim 1, it is characterized in that: described emitter and receiving trap keep the fixing discrepancy in elevation, put into two vertical drillings filling water respectively excite successively from top to bottom or from bottom to top and receive, to obtain with hole depth be the longitudinal axis, take wave time as the fluctuation array of figure of transverse axis, be called and detect across hole.
4. utilize the method for resonance wave imaging detection solution cavity according to claim 3, it is characterized in that: described detection across hole can adopt horizontal synchronization and two tiltedly synchronous modes of intersection to obtain 3 fluctuation array of figure.
5. utilize the method for resonance wave imaging detection solution cavity according to claim 2, it is characterized in that: by the distance of extremely holing to Induction Peried and the country rock velocity of wave calculating solution cavity of resonance wave in described two or more fluctuation array of figure, adopt the orientation of three-dimensional time Convergence method determination solution cavity, and draw the stereographic map of solution cavity.
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| CN111851458A (en) * | 2020-07-20 | 2020-10-30 | 重庆地质矿产研究院 | Karst soil cave search positioning method |
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| CN102955170B (en) * | 2012-10-11 | 2015-04-29 | 中国水电顾问集团贵阳勘测设计研究院 | Drilling hole acoustic radar detection method and drilling hole acoustic radial scanning probe |
| CN105259586A (en) * | 2015-09-15 | 2016-01-20 | 中国地质大学（武汉） | Method and device for utilizing electromagnetic wave CT technology to detect pile side and pile tip caves |
| CN107741459A (en) * | 2017-11-14 | 2018-02-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Utilize the method and device of sonic tomography technology detection lithologic anomalous body between hole |
| CN108008455B (en) * | 2017-11-29 | 2018-12-25 | 广州市公路勘察设计有限公司 | Bridge foundation solution cavity investigation method and device |
| CN108919340B (en) * | 2018-05-07 | 2020-06-19 | 河北中核岩土工程有限责任公司 | Single-hole wave velocity testing method and device and terminal equipment |
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