CN205317964U - Three -dimensional detection system in rock mass crack - Google Patents
Three -dimensional detection system in rock mass crack Download PDFInfo
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- CN205317964U CN205317964U CN201620051153.3U CN201620051153U CN205317964U CN 205317964 U CN205317964 U CN 205317964U CN 201620051153 U CN201620051153 U CN 201620051153U CN 205317964 U CN205317964 U CN 205317964U
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Abstract
The utility model discloses a three -dimensional detection system in rock mass crack, detection system is mainly by the medium ascending pipe, the crack sensor, information acquisition device constitutes, in using, the elder generation is a plurality of medium filling holes of construction in the rock mass, then at medium filling hole construction a plurality of exploration holes parallel with the medium filling hole around, lay the crack sensor into the exploration hole, spacer inflation back on the sensor of crack, medium sensing element on every crack sensor is by the mutual isolation, and distribute in the different degree of depth, the three -dimensional state of deploying to ensure effective monitoring and control of illegal activities in jointed rock mass has been formed from this, when the response medium that pours into into through the medium filling hole passes through the crack and migrates a plurality of medium induction element, just acquireed the three dimensions information in crack, realized the three -dimensional of crack and surveyed.
Description
Technical field
The utility model relates to geotechnical engineering field, particularly a kind of rock cranny three-dimensional detection system.
Background technology
Along with the fast development of China's infrastructure construction, road and rail tunnel, coal mine roadway, subway, water power chamber etc. are built more and more extensive, and the many construction of above-mentioned engineering are among rock mass. Engineering rock mass is cut by the structural plane of rock mass, gap, crack so that engineering rock mass globality reduces, and engineering stability also decreases, and engineering stability and safety are had material impact. Rock cranny is carried out accurate detection significant for engineering design, construction, operation etc.
As all needed to be grasped the cranny development degree of country rock in the supporting designs such as tunnel, tunnel, water power chamber, side slope, just can carry out country rock classification and design accurately; A lot of numerical evaluation software all needs setting wall-rock crack grow parameter, just can carry out accurate simulation. And be generally at present that the rock mass by having disclosed carries out sketch and carries out to the acquisition of rock cranny parameter, there is not yet quantitatively detection method accurately for not yet disclosing rock mass, connection for crack simultaneously also is difficult to determine by disclosing rock mass. Generally speaking, still do not have at present the detection system of accurate measurement rock cranny and method can to solve the problem.
Practical novel content
The utility model discloses a kind of rock cranny three-dimensional detection system, it is possible to crack three-dimensional distribution in accurate, quantitative detection ground body and connection property.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of rock cranny three-dimensional detection system, comprise the medium injection tube of induction medium and the crack sensor for detecting induction medium that inject in crack rock and can migrate in crack, described crack sensor comprises a hollow stem, axial direction due interval along hollow stem is furnished with multiple spacer being connected with hollow tube, and between every two spacers, arrange a medium induction element being fixed in hollow stem, each medium induction element is all connected with information acquisition device by independent communication line, it is achieved the location of crack spatial information. After described medium sense element senses to the induction medium of migration in crack, immediately signal is sent to information acquisition device by wire, induction of signal and the transmission of each medium above-mentioned induction element are all separate, to realize the location of crack spatial information.
Further, described medium injection tube is a hollow tube, and during detection, hollow tube is installed in the aperture of medium filling orifice, and installs sealing of hole plug in aperture;The induction medium can migrated in crack is injected in its effect in crack rock.
Further, described hollow stem is a kind of hollow lever with certain rigidity and wall thickness, and the inside of hollow lever is connected with each spacer, by being filled with high pressure gas or liquid in hollow lever, realize spacer lateral expansion or contraction, specific as follows:
When being filled with high pressure gas (liquid) body in spacer, spacer lateral expansion, and hole wall that is final and that detect hole contacts and closely connected, reaches the object of packing; When air pressure in spacer reduces, release packing effect.
Further, the spacing distance size of described spacer and sensing unit quantity number be inversely proportional to. The interval of spacer is more little, and sensing unit quantity is more many, and the detection accuracy in crack and positioning precision are more high.
Further, the induction medium injected during detection, it should respond to element with medium and mate.
Further, described crack sensor is arranged in detection hole, and described detection hole is arranged on around filling orifice.
Principle of work of the present utility model is as follows:
During use, some medium filling orifices of first constructing in rock mass, the some detection holes parallel with medium filling orifice of then constructing around medium filling orifice, are placed into detection hole by crack sensor. After spacer expands, medium on each crack sensor induction element is mutually isolated, and is distributed in different depths, and the three-dimensional that thus form in crack rock is deployed to ensure effective monitoring and control of illegal activities state; When the induction medium injected by medium filling orifice migrates to some medium sensing units by crack, just obtain the three-dimensional spatial information in crack, thus achieve the three-dimensional detection in crack.
The useful effect that the utility model reaches is:
Rock mass is arranged multiple crack sensor with spacer, medium can be responded to element separate in sensing unit separate one by one, the induction element in each sensing unit is ensured with this, and can only sense and conduct, from the crack with self place sensing unit UNICOM, the induction medium come, thus the three-dimensional space realizing medium induction element is deployed to ensure effective monitoring and control of illegal activities; After injecting induction medium in rock cranny, the position having crack to exist takes the lead in sensing information, based on this, can accurately obtain space exhibition cloth and UNICOM's situation in crack in rock mass. For rock cranny detection provide quantitatively, new tool accurately, can be rock mass engineering project design, construction underlying parameter is provided, ensure that engineering safety is stablized. Meanwhile, the components such as the crack sensor in the utility model patent are changeable, changeable, can need to regulate arbitrarily its size according to scene, make the utility model have suitability widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the utility model structural representation;
Fig. 2 is a-a sectional view;
Fig. 3 is A portion enlarged view;
Fig. 4 is b-b sectional view;
In figure: 1-medium filling orifice; 2-detects hole; 3-medium injection tube; 4-sealing of hole plug; 5-crack sensor; 6-rock mass; 7-crack;8-hollow stem; 9-spacer; 10-medium induction element; 11-communication line; 12-information acquisition device.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated:
As Figure 1-4, the utility model detection system comprises the medium injection tube 3 of induction medium and the crack sensor 5 for detecting induction medium that inject in crack rock and can migrate in crack, described crack sensor 5 comprises a hollow stem 8, axial direction due interval along hollow stem 8 is furnished with multiple spacer being connected with hollow tube, 9 and every two spacers 9 between arrange one be fixed in hollow stem medium induction element 10, each medium induction element 10 is all connected with information acquisition device 12 by independent communication line 11, realize the location of crack spatial information. after described medium induction element 10 senses the induction medium of migration in crack, immediately signal is sent to information acquisition device 12 by wire, induction of signal and the transmission of each medium above-mentioned induction element are all separate, to realize the location of crack spatial information.
Further, medium injection tube 3 is a kind of hollow tube, is installed in the aperture of medium filling orifice 1 during detection, and installs sealing of hole plug 4 in aperture; The induction medium can migrated in crack 7 is injected in its effect in crack rock 6.
Further, described crack sensor 5 is made up of hollow stem 8, spacer 9 and medium induction element 10. In hollow stem 8, interval is furnished with some spacers 9, and the medium that is provided with between every two spacers 9 responds to element 10, and medium induction element 10 is fixed in hollow stem 8; Each medium induction element 10 is all connected with information acquisition device 12 by independent communication line 11, after described medium induction element 10 senses the induction medium of migration in crack, immediately signal is sent to information acquisition device 12 by wire 10, induction of signal and the transmission of each medium above-mentioned induction element 10 are all separate, to realize the location of crack spatial information.
Further, hollow stem 8 is a kind of hollow lever with certain rigidity and wall thickness, each spacer 9 of hollow stem 8 UNICOM, it is possible to be filled with high pressure gas (liquid) body in spacer 9; To when being filled with high pressure gas (liquid) body in spacer 9, spacer 9 lateral expansion, and hole wall that is final and that detect hole 2 contacts and closely connected, reaches the object of packing; When air pressure in spacer 9 reduces, release packing effect. Medium can be responded to element 10 points after being inflation and be interposed between in sensing unit separate one by one by the effect of described spacer 9, the induction element in each sensing unit is ensured with this, and can only sense and conduct, from the crack with self place sensing unit UNICOM, the induction medium come, thus realize the location of the induction medium depth direction in crack 7. The interval of spacer 9 is more little, and sensing unit quantity is more many, and the detection accuracy in crack 6 and positioning precision are more high.
Further, medium induction element 10 generally adopts talent for swimming element, then corresponding induction medium adopts water; When detecting under the special conditionss such as moisture rock mass, the medium sensor of other type can be adopted, such as the liquid containing special medium, gas etc., or adopt electricity class, sense light kind sensor; The induction medium injected during detection, it should respond to element 10 with medium and mate.
During use, some medium filling orifices 1 of first constructing in rock mass 6, the some detection holes 2 parallel with medium filling orifice 1 of then constructing around medium filling orifice 1, are placed into detection hole 2 by crack sensor 5.After spacer 9 expands, medium on each crack sensor 5 induction element 10 is mutually isolated, and is distributed in different depths, and the three-dimensional that thus form in crack rock 6 is deployed to ensure effective monitoring and control of illegal activities state; When the induction medium injected by medium filling orifice 1 migrates to some medium sensing units 10 by crack 7, just obtain the three-dimensional spatial information in crack 7, thus achieve the three-dimensional detection in crack.
The detection method of the utility model detection system is as follows:
1, construct in rock mass 6 as required some medium filling orifices 1, and clear hole, medium injection tube 3 is arranged on medium filling orifice 1 and adopts sealing of hole plug 4 sealing of hole;
2, some detection holes 2 of construction around the medium filling orifice 1 in rock mass 6 as required, and clear hole; The diameter in described detection hole 2 should slightly larger than the external diameter of crack sensor 5, to meet putting into and meeting interval needs of crack sensor 5 simultaneously; In general, the degree of depth detecting hole 2 is greater than the degree of depth of medium filling orifice 1;
3, after the stopping property of assay intervals device 9 meets requirement, crack sensor 5 is put into detection hole 2;
4, communication line 11 is connected to information acquisition device 12;
5, according to relative position and the degree of depth of each medium filling orifice 1, crack sensor 5, calculate the coordinate of each medium induction element 10 and number;
6, being filled with high pressure gas (or liquid) by hollow stem 8 in spacer 9 and keep, the pressure in spacer 9 should be greater than induction medium injection pressure;
7, information acquisition device 12 is opened after the pressure-stabilisation in spacer 9;
8, start to inject induction medium in rock mass 6 by medium injection tube 3; In this process, induction medium will spread along the crack 7 in ground body, gap etc., and part medium finally can contact with certain medium induction element 10 of certain crack sensor 5, and this medium induction element 10 transmits signals to information acquisition device 12; Respond to element 10 due to each medium and all it is in different positions and independent numbering, therefore can determine that this medium induction element 10 position exists crack 7 and can know its position;
9, after information acquisition device 12 no longer receives new crack information in a long time, by hollow stem 8 relief pressure, extracting crack sensor 5, detection terminates.
The above; it is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (6)
1. a rock cranny three-dimensional detection system, it is characterized in that, comprise the medium injection tube of induction medium and the crack sensor for detecting induction medium that inject in crack rock and can migrate in crack, described crack sensor comprises a hollow stem, axial direction due interval along hollow stem is furnished with multiple spacer being connected with hollow tube, and between every two spacers, arrange a medium induction element being fixed in hollow stem, each medium induction element is all connected with information acquisition device by independent communication line, realize the location of crack spatial information.
2. rock cranny three-dimensional detection system as claimed in claim 1, it is characterised in that, described medium injection tube is a hollow tube, and during detection, described hollow tube is installed in the aperture of medium filling orifice, and installs sealing of hole plug in aperture.
3. rock cranny three-dimensional detection system as claimed in claim 1, it is characterized in that, described hollow stem is a kind of hollow lever with certain rigidity and wall thickness, the inside of hollow lever is connected with each spacer, by being filled with high pressure gas or liquid in hollow lever, it is achieved spacer lateral expansion or contraction.
4. rock cranny three-dimensional detection system as claimed in claim 1, it is characterised in that, how much spacing distance size and sensing unit quantity of described spacer are inversely proportional to.
5. rock cranny three-dimensional detection system as claimed in claim 1, it is characterised in that, the induction medium injected during detection, responds to element with medium and mates.
6. rock cranny three-dimensional detection system as claimed in claim 1, it is characterised in that, described crack sensor is arranged in detection hole, and described detection hole is arranged on around filling orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051153.3U CN205317964U (en) | 2016-01-19 | 2016-01-19 | Three -dimensional detection system in rock mass crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051153.3U CN205317964U (en) | 2016-01-19 | 2016-01-19 | Three -dimensional detection system in rock mass crack |
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| CN205317964U true CN205317964U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620051153.3U Withdrawn - After Issue CN205317964U (en) | 2016-01-19 | 2016-01-19 | Three -dimensional detection system in rock mass crack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487134A (en) * | 2016-01-19 | 2016-04-13 | 山东科技大学 | Rock mass crack three-dimensional detection system and detection method |
| CN107450107A (en) * | 2017-09-11 | 2017-12-08 | 山东科技大学 | The three dimensions recognition positioning method of water inrush channel in subterranean body |
-
2016
- 2016-01-19 CN CN201620051153.3U patent/CN205317964U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487134A (en) * | 2016-01-19 | 2016-04-13 | 山东科技大学 | Rock mass crack three-dimensional detection system and detection method |
| CN105487134B (en) * | 2016-01-19 | 2018-03-09 | 山东科技大学 | A kind of rock cranny three-dimensional detection system and detection method |
| CN107450107A (en) * | 2017-09-11 | 2017-12-08 | 山东科技大学 | The three dimensions recognition positioning method of water inrush channel in subterranean body |
| CN107450107B (en) * | 2017-09-11 | 2019-02-12 | 山东科技大学 | The three-dimensional space recognition positioning method of water inrush channel in subterranean body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20180309 |
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| AV01 | Patent right actively abandoned |