CN102830426A - Method and device for monitoring tunnel geology - Google Patents
Method and device for monitoring tunnel geology Download PDFInfo
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- CN102830426A CN102830426A CN2012102855645A CN201210285564A CN102830426A CN 102830426 A CN102830426 A CN 102830426A CN 2012102855645 A CN2012102855645 A CN 2012102855645A CN 201210285564 A CN201210285564 A CN 201210285564A CN 102830426 A CN102830426 A CN 102830426A
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Abstract
The invention relates to the field of tunnel geology exploration, in particular to a method and a device for monitoring the tunnel geology. The method for monitoring the tunnel geology comprises the following steps of blasting on an excavated edge wall of a tunnel by using engineering explosive; detecting and collecting vibration echo, and obtaining data information of the vibration echo; analyzing and obtaining geological information in an unexploited area of the tunnel according to the data information of the vibration echo, wherein the geological information comprises one or several of the interface echo position, the interface space distribution and the lithosome character between interfaces; and forecasting the geological situation of the tunnel in an unexploited section according to the geological information. The device for monitoring the tunnel geology comprises a main machine and a three-component velocity type detection instrument. According to the method and the device for monitoring the tunnel geology, provided by the invention, the geological situation of the tunnel can be subjected to remote advance detection.
Description
Technical field
The present invention relates to the tunnel geology Exploration Domain, particularly a kind of tunnel geology method for supervising and device.
Background technology
Existing tunnel monitoring method is the method that adopts advance borehole for the monitoring of geological condition; Promptly hole at the excavated surface in tunnel, through in boring mud in holing or the boring whether the situation of trickle and liquid judge the geological condition of the place ahead, tunnel section of unminding.
But this mode is not only time-consuming, efficient is low, and the distance of surveying receives the restriction of hole spacing, generally can only monitor the geological condition in tens meters scopes, just for the geological condition in the section of unminding tunnel, can only carry out in-plant leading detection.
Summary of the invention
A kind of tunnel geology method for supervising provided by the invention and device can carry out remote leading the detection to the geological condition in tunnel.
Technical scheme of the present invention is achieved in that a kind of tunnel geology method for supervising, it is characterized in that, this method may further comprise the steps:
101. on the abutment wall that has excavated in tunnel, use the engineering explosive to carry out explosion;
102. detect and gather the vibrations echo, obtain shaking echo data information;
103. according to said vibrations echo data information, analyze the geological information of unminding the zone that obtains said tunnel, wherein said geological information comprises: one or more between interface echo position, interface shape distribution, interface in the rock mass character;
104. dope the not geological condition in the said tunnel of excavation section according to said geological information.
Further, in the aforesaid tunnel geology method for supervising, the said step of on the abutment wall in tunnel, using the engineering explosive to carry out explosion specifically comprises:
Abutment wall in the tunnel gets out 16-24 big gun hole;
In each said big gun hole, all be placed with the engineering explosive;
Ignite engineering explosive manufacturing vibrations.
Further, in the aforesaid tunnel geology method for supervising, the step of said detection and collection vibrations echo specifically comprises:
Abutment wall in the tunnel gets out a plurality of receiver holes, and wherein said receiver hole is arranged on two relative hole walls in tunnel symmetrically;
The vibrations echo that in said receiver hole, said vibrations is produced carries out vector detection and ripple collection in length and breadth.
Further, in the aforesaid tunnel geology method for supervising, the step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo to collecting carries out the interference wave filtering.
Further; In the aforesaid tunnel geology method for supervising; The step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo for after the said interference wave of filtering carries out the detection of speed and energy, and sorts out extraction according to detected said speed and energy.
Further, said in the aforesaid tunnel geology method for supervising according to the vibrations echo data, analyze and to obtain said tunnel and unmind the step of the geological information in zone and specifically comprise:
Utilize multi-wave and multi-component to carry out all-wave seismic phase analysis and polarized wave calculating said vibrations echo data, obtain two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure;
Obtain said geological information according to said two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
Further, the employed device of aforesaid a kind of tunnel geology method for supervising comprises: main frame and the three-component velocity profile detection appearance more than two that is used to receive and gather the vibrations echo;
Said main frame comprises: orienting station locating module, vibrations echo relative offset module and report video text editing module;
Said orienting station locating module is used for: receives the data message that said three-component velocity profile detection appearance collects, and judges the position of said vibrations echo, and the space distribution of the vibrations echo in when passback, and send to said vibrations echo relative offset module;
Said vibrations echo relative offset module is used for: receive data message formation skew playback figure and section surface sweeping figure that said orienting station locating module sends, obtain said geological information according to said skew playback figure and section surface sweeping map analysis;
Said report video text editing module is used for: the said geological information that will obtain is compiled the program interface that textual form is illustrated in said main frame, and dopes the not geological condition in the said tunnel of excavation section according to said geological information.
Further; Aforesaid a kind of tunnel geology supervising device comprises: when obtaining said geological information according to said skew playback figure and section surface sweeping map analysis; Said analysis is to utilize multi-wave and multi-component that said data message is carried out all-wave seismic phase analysis and polarized wave calculating, obtains two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
Further, aforesaid a kind of tunnel geology supervising device also comprises: EQ Gain spectrum analysis filtration module and interference wave filtering module;
Said EQ Gain spectrum analysis filtration module is used for: detect the interference wave that the said vibrations echo that collects exists;
Said interference wave filtering module is used for: the detected said interference wave of said EQ Gain spectrum analysis filtration module is carried out filtering, stay the non-interference wave that determines position and space distribution.
Further, aforesaid a kind of tunnel geology supervising device also comprises: velocity analysis module and vibrations backward energy extraction module;
Said velocity analysis module is used for: receive the data message of said non-interference wave, and determine the speed that said non-interference wave is propagated in the rock mass of the different geology in tunnel;
Said vibrations backward energy extraction module is used for: judge the energy of said non-interference wave, and the said non-interference wave that will have a different-energy is sorted out extraction.
Compared with prior art; A kind of tunnel geology method for supervising provided by the present invention; On the abutment wall in tunnel, use the engineering explosive to carry out explosion; Use the said three component geophone appearance of the velocity profile receiving sensor that is equipped with the high quick high directivity of three-component to detect and gather the vibrations echo afterwards; Obtain shaking echo data, the vibrations echo data that after carrying out explosion, directly collects according to reception analyzes the geological condition of the advanced prediction tunnel section of unminding, because the rock mass of shock wave in can passing through tunnel is to the propagation of the place ahead in tunnel; And the distance of propagating out can dope the geological condition of abutment wall the place ahead 150-200 rice scope inner tunnel greater than the distance in the tunnel that is excavated according to the feedback information of vibrations echo.Hole at the abutment wall in tunnel with respect to prior art; Through in boring mud in holing or the boring whether the situation of trickle and liquid judge and the geological condition of the place ahead, tunnel section of unminding can only dope the in-plant geological condition of abutment wall the place ahead 20-30 rice.So with respect to prior art, a kind of tunnel geology method for supervising provided by the present invention can carry out remote leading the detection to the geological condition in tunnel.
In addition, a kind of tunnel geology method for supervising provided by the invention and device also have following good effect:
1. use engineering explosive is ignited and is made vibrations in 16-24 the big gun hole that on the abutment wall that has excavated in tunnel, gets out, and the size of the energy of the vibrations echo that produces so afterwards can satisfy in reception, the energy of needs is big or small when gathering and detecting.
2. need be on the abutment wall in tunnel when detecting and gathering the vibrations echo symmetry get out a plurality of receiver holes; Such purpose is to receive the vibrations echo through the receiver hole of diverse location, can carry out vector detection and ripple collection in length and breadth to the vibrations echo that produces simultaneously.
3. this tunnel geology HERALD equipment is the physical prospecting equipment that collection amplifies, changes, gathers, stores and be controlled to be the hermetically sealed water, shock of one; When receiving acquired signal, has stronger sensitivity and directive property; Triggering mode to the shock wave collection is the triggering mode of blast open circuit, and triggering collection circuit in the time of cap sensitive explosive receives collection to the signal that shakes echo; Avoid the delay of data acquisition, improved the accuracy of location.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; Below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art; Obviously, the accompanying drawing in below describing only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 is the process flow diagram of a kind of embodiment of the present invention.
Embodiment
Below will combine accompanying drawing that the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, the scope that all belongs to the present invention and protected.
Specific embodiment of a kind of tunnel geology method for supervising provided by the invention is following:
As shown in Figure 1, a kind of tunnel geology method for supervising may further comprise the steps:
101. on the abutment wall that has excavated in tunnel, use the engineering explosive to carry out explosion;
102. detect and gather the vibrations echo, obtain shaking echo data;
103. according to said vibrations echo data information, analyze the geological information of unminding the zone that obtains said tunnel, wherein said geological information comprises: one or more between interface echo position, interface shape distribution, interface in the rock mass character;
104. dope the not geological condition in the said tunnel of excavation section according to said geological information.
Preferably, the said step of on the abutment wall in tunnel, using the engineering explosive to carry out explosion specifically comprises:
Abutment wall in the tunnel gets out 16-24 big gun hole;
In each said big gun hole, all be placed with the engineering explosive;
Ignite engineering explosive manufacturing vibrations.
Preferably, through igniting engineering explosive manufacturing vibrations, it is big or small that the size of the total energy of the vibrations echo that produces after like this can satisfy the energy that the vibrations echo of needs when receiving, gathering and detecting had in 16-24 said big gun hole.
Preferably, the step of said detection and collection vibrations echo specifically comprises: the abutment wall in the tunnel gets out a plurality of receiver holes, and said a plurality of receiver holes are arranged on two relative hole walls in tunnel symmetrically; The vibrations echo that in said receiver hole, said vibrations is produced carries out vector detection and ripple collection in length and breadth.
The purpose that said receiver hole is set like this is, can receive the vibrations echo through the receiver hole of diverse location, omnibearing the vibrations echo gathered.
Preferably, the step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo to collecting carries out the interference wave filtering.
Can there be more weak or unsharp interference wave in the said vibrations echo of gathering, more accurate for the information of the feasible vibrations echo that collects, need carry out filtering to said interference wave.
Preferably, the step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo for after the said interference wave of filtering carries out the detection of speed and energy, and sorts out extraction according to detected said speed and energy.
Size according to speed and energy is sorted out the said vibrations echo that extracts; Speed in the time of can passing the rock mass in said tunnel according to said vibrations echo and the energy that is had can be judged the geologic property of rock mass in the different locations in said tunnel, and then draw the distribution situation of the rock mass of different geologic properties.
Said according to the vibrations echo data, analyze and to obtain said tunnel and unmind the step of the geological information in zone and specifically comprise:
Preferably, utilize multi-wave and multi-component to carry out all-wave seismic phase analysis and polarized wave calculating said vibrations echo data, obtain two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure;
Obtain said geological information according to said two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
Because can clearly show the distribution of dissimilar vibrations echoes on said two-dimensional space and/or three-dimensional skew playback figure and the section surface sweeping figure, so can dope geological state through obtain squinting playback figure and section surface sweeping map analysis into the excavation section tunnel in the different geological section.
A specific embodiment of a kind of tunnel geology supervising device provided by the invention is following:
The employed device of a kind of tunnel geology method for supervising comprises: main frame and the three-component velocity profile detection appearance more than two that is used to receive and gather the vibrations echo;
Said main frame comprises: orienting station locating module, vibrations echo relative offset module and report video text editing module;
Said orienting station locating module is used for: receives the data message that said three-component velocity profile detection appearance collects, and judges the position of said vibrations echo, and the space distribution of the vibrations echo in when passback, and send to said vibrations echo relative offset module;
Said vibrations echo relative offset module is used for: receive data message formation skew playback figure and section surface sweeping figure that said orienting station locating module sends, obtain said geological information according to said skew playback figure and section surface sweeping map analysis;
Said report video text editing module is used for: the said geological information that will obtain is compiled the program interface that textual form is illustrated in said main frame, and dopes the not geological condition in the said tunnel of excavation section according to said geological information.
Three-component velocity profile detection appearance receives the data message of shock wave, and is transferred to the orienting station locating module, judges the position of said vibrations echo, and the space distribution of the vibrations echo in when passback, and sends to vibrations echo relative offset module; Said vibrations echo relative offset module receives the data message that said orienting station locating module sends, and forms skew playback figure and section surface sweeping figure, obtains said geological information according to said skew playback figure and section surface sweeping map analysis; And dope the not geological condition in the said tunnel of excavation section according to said geological information.Because the rock mass that shock wave can pass through tunnel is propagated to the place more farther than excavation section, so, can carry out remote leading the detection to the geological condition in tunnel.
Preferably; When obtaining said geological information according to said skew playback figure and section surface sweeping map analysis; Said analysis is to utilize multi-wave and multi-component that said data message is carried out all-wave seismic phase analysis and polarized wave calculating, obtains two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
Because can clearly show the distribution of dissimilar vibrations echoes on said two-dimensional space and/or three-dimensional skew playback figure and the section surface sweeping figure, so can dope geological state through obtain squinting playback figure and section surface sweeping map analysis into the excavation section tunnel in the different geological section.
Preferably, EQ Gain spectrum analysis filtration module and interference wave filtering module;
Said EQ Gain spectrum analysis filtration module is used for: detect the interference wave that the said vibrations echo that collects exists;
Said interference wave filtering module is used for: the detected said interference wave of said EQ Gain spectrum analysis filtration module is carried out filtering, stay the non-interference wave that determines position and space distribution.
Can there be more weak or unsharp interference wave in the said vibrations echo of gathering, more accurate for the information of the feasible vibrations echo that collects, need carry out filtering to said interference wave.
Preferably, velocity analysis module and vibrations backward energy extraction module;
Said velocity analysis module is used for: receive the data message of said non-interference wave, and determine the speed that said non-interference wave is propagated in the rock mass of the different geology in tunnel;
Said vibrations backward energy extraction module is used for: judge the energy of said non-interference wave, and the said non-interference wave that will have a different-energy is sorted out extraction.
Size according to speed and energy is sorted out the said vibrations echo that extracts; Speed in the time of can passing the rock mass in said tunnel according to said vibrations echo and the energy that is had can be judged the geologic property of rock mass in the different locations in said tunnel, and then draw the distribution situation of the rock mass of different geologic properties.
And this supervising device is the physical prospecting equipment that collection amplifies, changes, gathers, stores and be controlled to be the hermetically sealed water, shock of one; When receiving acquired signal, has stronger sensitivity and directive property; Triggering mode to the shock wave collection is the triggering mode of blast open circuit, and triggering collection circuit in the time of cap sensitive explosive receives collection to the signal that shakes echo; Avoid the delay of data acquisition, improved the accuracy of location.
Various embodiment provided by the invention can make up with any-mode as required each other, the technical scheme that obtains through this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also comprises these changes and modification interior.
Claims (10)
1. a tunnel geology method for supervising is characterized in that, this method may further comprise the steps:
101. on the abutment wall that has excavated in tunnel, use the engineering explosive to carry out explosion;
102. detect and gather the vibrations echo, obtain shaking echo data information;
103. according to said vibrations echo data information, analyze the geological information of unminding the zone that obtains said tunnel, wherein said geological information comprises: one or more between interface echo position, interface shape distribution, interface in the rock mass character;
104. dope the not geological condition in the said tunnel of excavation section according to said geological information.
2. tunnel geology method for supervising according to claim 1 is characterized in that, the said step of on the abutment wall in tunnel, using the engineering explosive to carry out explosion specifically comprises:
Abutment wall in the tunnel gets out 16-24 big gun hole;
In each said big gun hole, all be placed with the engineering explosive;
Ignite engineering explosive manufacturing vibrations.
3. tunnel geology method for supervising according to claim 1 is characterized in that, the step of said detection and collection vibrations echo specifically comprises:
Abutment wall in the tunnel gets out a plurality of receiver holes, and wherein said receiver hole is arranged on two relative hole walls in tunnel symmetrically;
The vibrations echo that in said receiver hole, said vibrations is produced carries out vector detection and ripple collection in length and breadth.
4. tunnel geology method for supervising according to claim 3 is characterized in that, the step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo to collecting carries out the interference wave filtering.
5. tunnel geology method for supervising according to claim 4; It is characterized in that; The step of said detection and collection vibrations echo specifically also comprises: the said vibrations echo for after the said interference wave of filtering carries out the detection of speed and energy, and sorts out extraction according to detected said speed and energy.
6. tunnel geology method for supervising according to claim 1 is characterized in that, and is said according to the vibrations echo data, analyzes to obtain said tunnel and unmind the step of the geological information in zone and specifically comprise:
Utilize multi-wave and multi-component to carry out all-wave seismic phase analysis and polarized wave calculating said vibrations echo data, obtain two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure;
Obtain said geological information according to said two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
7. according to any employed device of described a kind of tunnel geology method for supervising among the claim 1-6, it is characterized in that, comprise main frame and the three-component velocity profile detection appearance more than two that is used to receive and gather the vibrations echo;
Said main frame comprises: orienting station locating module, vibrations echo relative offset module and report video text editing module;
Said orienting station locating module is used for: receives the data message that said three-component velocity profile detection appearance collects, and judges the position of said vibrations echo, and the space distribution of the vibrations echo in when passback, and send to said vibrations echo relative offset module;
Said vibrations echo relative offset module is used for: receive data message formation skew playback figure and section surface sweeping figure that said orienting station locating module sends, obtain said geological information according to said skew playback figure and section surface sweeping map analysis;
Said report video text editing module is used for: the said geological information that will obtain is compiled the program interface that textual form is illustrated in said main frame, and dopes the not geological condition in the said tunnel of excavation section according to said geological information.
8. tunnel geology supervising device according to claim 7; It is characterized in that; When obtaining said geological information according to said skew playback figure and section surface sweeping map analysis; Said analysis is to utilize multi-wave and multi-component that said data message is carried out all-wave seismic phase analysis and polarized wave calculating, obtains two-dimensional space and/or three-dimensional skew playback figure and section surface sweeping figure.
9. tunnel geology supervising device according to claim 7 is characterized in that, this supervising device also comprises: EQ Gain spectrum analysis filtration module and interference wave filtering module;
Said EQ Gain spectrum analysis filtration module is used for: detect the interference wave that the said vibrations echo that collects exists;
Said interference wave filtering module is used for: the detected said interference wave of said EQ Gain spectrum analysis filtration module is carried out filtering, stay the non-interference wave that determines position and space distribution.
10. tunnel geology supervising device according to claim 7 is characterized in that, this supervising device also comprises: velocity analysis module and vibrations backward energy extraction module;
Said velocity analysis module is used for: receive the data message of said non-interference wave, and determine the speed that said non-interference wave is propagated in the rock mass of the different geology in tunnel;
Said vibrations backward energy extraction module is used for: judge the energy of said non-interference wave, and the said non-interference wave that will have a different-energy is sorted out extraction.
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| CN2012102855645A CN102830426A (en) | 2012-08-10 | 2012-08-10 | Method and device for monitoring tunnel geology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110531417A (en) * | 2019-08-21 | 2019-12-03 | 中国矿业大学 | A kind of advanced multilayer speed fine modeling method based on polarization offset |
| CN114791622A (en) * | 2022-04-22 | 2022-07-26 | 中铁第四勘察设计院集团有限公司 | Geological detection method and system |
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| JPH11174046A (en) * | 1997-12-15 | 1999-07-02 | Kajima Corp | Tunnel facing front surveying method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531417A (en) * | 2019-08-21 | 2019-12-03 | 中国矿业大学 | A kind of advanced multilayer speed fine modeling method based on polarization offset |
| CN110531417B (en) * | 2019-08-21 | 2020-12-29 | 中国矿业大学 | Advanced multilayer speed fine modeling method based on polarization migration |
| CN114791622A (en) * | 2022-04-22 | 2022-07-26 | 中铁第四勘察设计院集团有限公司 | Geological detection method and system |
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Application publication date: 20121219 |