CN105486353A - Rock mass crack water comprehensive information sensor and use method thereof - Google Patents
Rock mass crack water comprehensive information sensor and use method thereof Download PDFInfo
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- CN105486353A CN105486353A CN201610035005.7A CN201610035005A CN105486353A CN 105486353 A CN105486353 A CN 105486353A CN 201610035005 A CN201610035005 A CN 201610035005A CN 105486353 A CN105486353 A CN 105486353A
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- compartment
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- pipe core
- snorkel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a rock mass crack water comprehensive information sensor and a use method thereof. The rock mass crack water comprehensive information sensor comprises a central tube, a vent tube, spacers and sensing elements. Multiple spacers are arranged along the axial direction of the central tube in a spacing way. Each spacer is communicated with the vent tube used for inflating air into the spacer. Multiple sensing elements which are fixed on the central tube are arranged between every two spacers. Each sensing element is connected with a signal receiver via an independent conductive wire. Crack water pressure, flow speed, flow direction, temperature and other information of the crack rock mass which are not revealed can be detected or monitored; and more importantly the crack water information can be accurately positioned so that comprehensive analysis of the crack water information can be performed.
Description
Technical field
The present invention relates to Geotechnical Engineering field, particularly a kind of rock cranny water integrated information sensor and using method.
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.Crevice water in rock mass extensively distributes, and the existence of crevice water will significantly reduce comprehensive strength index index, even causes gushing water to dash forward the large scale disasters such as mud; In addition, the existence of crevice water can improve the operation such as tunnel, subway phase effluent cost.
The detection of rock cranny water, monitor and all there is great importance to rock mass engineering project design, construction, operation.During as carried out tunnel water proofing design, or when adopting grouting for water-blocking to carry out shutoff to crevice water, all first should grasp the information such as crevice water distribution, pressure, migration rule.And be at present generally that rock mass by having disclosed carries out measurement to carry out to the acquisition of rock cranny water information, for do not disclose rock mass there is not yet quantitatively detect accurately, monitoring method, especially cannot the crevice water information at Obtaining Accurate different depth position place.Generally speaking, still do not have at present the sensor of accurate measurement or monitoring rock cranny water integrated information and method can to solve the problem.
Summary of the invention
The invention discloses a kind of rock cranny water integrated information sensor and using method, the relevant information such as distribution, pressure, flow velocity, temperature of rock cranny water can be obtained by accurate quantitative analysis.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of rock cranny water integrated information sensor, comprise pipe core, snorkel, compartment device and sensing element, it is furnished with some compartment devices in interval to axis direction along pipe core, each cut off device is all connected with the snorkel for its inner inflatable, between every two compartment devices, be provided with multiple sensing element be fixed on pipe core; Each sensing element is connected with signal receiver by independent wire.
Further, described pipe core is the body with certain wall thickness and rigidity, and its cross sectional shape is generally circle; Pipe core forms the skeleton of whole sensor, for fixing miscellaneous part.
Further, multiple sensing element comprises pressure responsive element, flow velocity sensing element, flows to sensing element, temperature sensitive member.Described sensing element is fixed on the outer wall of pipe core, and is connected with signal receiver by wire; After sense element senses to crack information, immediately signal is sent to signal receiver by wire; Induction of signal and the transmission of above-mentioned each sensing element are all separate, to realize the location of crevice water information.
Further, described wire one end connects sensing element, and the other end is drawn through pipe core inside and is connected to signal receiver, and described wire is penetrating pipe core position for sealing contact.
Further, each compartment device of described snorkel UNICOM, can be filled with gases at high pressure by snorkel in compartment device.
Further, described compartment device by compartment capsule and up and down each compartment plate form; Described compartment plate is a plectane with certain thickness and rigidity; Described compartment capsule is flexible cystidium, is generally rubber bag tank; By snorkel to when being filled with gases at high pressure in compartment device, compartment capsule expands, and because top and bottom are all subject to the constraint of compartment plate, and bulges, and final to contact with the wall of gaging hole and closely connected, reaches the object of packing; When compartment device internal gas pressure reduces, compartment capsule inwardly shrinks.
Further, sensing element can divide after being inflation and is interposed between in sensing unit separate one by one by the effect of described compartment device, the sensing element in each sensing unit is ensured with this, can and can only sense from the crack with self place sensing unit UNICOM and conduct the crevice water of coming, thus realize the location of crevice water information.The interval of compartment device is less, and sensing unit quantity is more, and the detection of the information of crevice water, monitoring accuracy and positioning precision are higher.
Further, described snorkel and pipe core to be vertically arranged in gaging hole and to be parallel to each other.
The use step of sensor of the present invention is as follows:
1, in crack rock, get out gaging hole, and clear up the impurity in gaging hole; The diameter of described gaging hole should slightly larger than the external diameter of compartment plate, to meet putting into and meeting compartment needs of sensor simultaneously;
2, after the leakproofness of detection compartment device meets the demands, sensor of the present invention is put into gaging hole;
3, signal receiver is connected the line to;
4, in compartment device, be filled with gases at high pressure by snorkel and keep, the air pressure in compartment device should be greater than crack hydraulic pressure;
5, after signal stabilization, gather crevice water information by signal receiver, thus the crevice water information in rock mass is positioned and analyzed.
6, for obtaining more fully crevice water information, discharge air pressure by snorkel, what adjust sensor enters hole depth, and compartment device position and last time are interlocked, or the position angle of adjustment sensor, or carries out in the gaging hole that another is new, repeats step 4 ~ 5.
7, detection or monitoring terminate, and exitted, extract sensor by snorkel.
The beneficial effect that the present invention reaches is:
Can the information such as the fissure water pressure in the crack rock not yet disclosed, flow velocity, the flow direction, temperature be detected or be monitored; The more important thing is and accurately can locate, from the multianalysis can carrying out crevice water information to crevice water information.The present invention can be widely used in the crack rocks such as tunnel, tunnel, water power chamber, side slope crevice water detection, in monitoring works, or in the shop experiment relevant to crevice water, for the Overall Acquisition of crevice water information provides powerful measure, for the design of engineering, construction, operation provide important reference data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be 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 some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention;
Fig. 2 is 1-1 sectional view;
Fig. 3 is 2-2 sectional view;
Fig. 4 is using method schematic diagram of the present invention.
In figure: 1-pipe core; 2-compartment device; 3-compartment capsule; 4-compartment plate; 5-snorkel; 6-pressure responsive element; 7-flow velocity sensing element; 8-flows to sensing element; 9-temperature sensitive member; 10-wire; 11-rock mass; 12-gaging hole; 13-crack.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated:
As shown in Figure 1, 2, 3, this sensor is primarily of formations such as pipe core 1, compartment device 2, sensing element, snorkels 5.On pipe core 1, interval is furnished with some compartment devices 2, between every two compartment devices 2, be provided with sensing element, and sensing element is fixed on pipe core 1; Sensing element is connected with signal receiver by wire 10.
Pipe core 1 is for having the body of certain wall thickness and rigidity, and its cross sectional shape is generally circle; Pipe core 1 forms the skeleton of whole sensor, for fixing miscellaneous part;
The main finger pressure sensing element 6 of sensing element, flow velocity sensing element 7, flow to sensing element 8, temperature sensitive member 9, or the sensing element needed for other.Described sensing element is fixed on the outer wall of pipe core 1, and is connected with signal receiver by wire 10; After sense element senses to crack information, immediately signal is sent to signal receiver by wire 10; Induction of signal and the transmission of above-mentioned each sensing element are all separate, to realize the location of crevice water information.
Wire 9 one end connects sensing 3, and draw through pipe core 1 inside, the other end is connected to signal receiver; Described wire 9 is penetrating pipe core 1 position for sealing contact.
Each compartment device 2 of snorkel 5 UNICOM, can be filled with gases at high pressure by snorkel 5 in compartment device 2.
Compartment device 2 by compartment capsule 3 and up and down the compartment plate 4 of each 1 form; Described compartment plate 4 is a plectane with certain thickness and rigidity; Described compartment capsule 3 is flexible cystidium, is generally rubber bag tank; By snorkel 5 to when being filled with gases at high pressure in compartment device 2, compartment capsule 3 expands, and because top and bottom are all subject to the constraint of compartment plate 4, and bulges, and final to contact with the wall of gaging hole 12 and closely connected, reaches the object of packing; When compartment device 2 internal gas pressure reduces, compartment capsule 3 inwardly shrinks.
Sensing element can divide after being inflation and is interposed between in sensing unit separate one by one by the effect of compartment device 2, the sensing element in each sensing unit is ensured with this, can and can only sense from the crack with self place sensing unit UNICOM and conduct the crevice water of coming, thus realize the location of crevice water information.The interval of compartment device 2 is less, and sensing unit quantity is more, and measuring accuracy and the positioning precision of the information of crevice water are higher.
As shown in Figure 4, the concrete use step of sensor of the present invention is as follows:
1, in crack rock 11, get out gaging hole 12, and clear up the impurity in gaging hole; The diameter of described gaging hole 12 should slightly larger than the external diameter of compartment plate 4, to meet putting into and meeting compartment needs of sensor simultaneously;
2, after the leakproofness of detection compartment device 2 meets the demands, sensor of the present invention is put into gaging hole 12;
3, wire 10 is connected to signal receiver;
4, in compartment device 2, be filled with gases at high pressure by snorkel 5 and keep, the air pressure in compartment device 2 should be greater than crack hydraulic pressure;
5, after signal stabilization, gather crevice water information by signal receiver, thus the crevice water information in rock mass is positioned and analyzed.
6, for obtaining more fully crevice water information, discharge air pressure by snorkel 5, what adjust sensor enters hole depth, and the position of compartment device 2 and last time are interlocked, or the position angle of adjustment sensor, or carries out in the gaging hole that another is new, repeats step 4 ~ 5.
7, detection or monitoring terminate, and exitted, extract sensor by snorkel 5.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a rock cranny water integrated information sensor, it is characterized in that: comprise pipe core, snorkel, compartment device and sensing element, it is furnished with several compartment devices in interval to axis direction along pipe core, each cut off device is all connected with the snorkel for its inner inflatable, between every two compartment devices, be provided with multiple sensing element be fixed on pipe core; Each sensing element is connected with signal receiver by independent wire.
2. rock cranny water integrated information sensor as claimed in claim 1, is characterized in that: described pipe core is the body with certain wall thickness and rigidity.
3. rock cranny water integrated information sensor as claimed in claim 1, it is characterized in that: multiple sensing element comprises pressure responsive element, flow velocity sensing element, flows to sensing element and temperature sensitive member, these sensing elements are fixed on the outer wall of pipe core, and are connected with signal receiver by wire; After sense element senses to crack information, immediately signal is sent to signal receiver by wire.
4. rock cranny water integrated information sensor as claimed in claim 1, it is characterized in that: described wire one end connects sensing element, the other end is drawn through pipe core inside and is connected to signal receiver, and described wire is penetrating pipe core position for sealing contact.
5. rock cranny water integrated information sensor as claimed in claim 1, is characterized in that: described compartment device is made up of compartment capsule and two the compartment plates being positioned at compartment capsule upper and lower position.
6. rock cranny water integrated information sensor as claimed in claim 5, is characterized in that: described compartment capsule is flexible cystidium.
7. rock cranny water integrated information sensor as claimed in claim 1, is characterized in that: it is interior and be parallel to each other that described snorkel and pipe core are vertically arranged on gaging hole.
8. the using method of rock cranny water integrated information sensor as claimed in claim 1, is characterized in that,
Step 1 gets out gaging hole in crack rock, and clears up the impurity in gaging hole; The diameter of described gaging hole should slightly larger than the external diameter of compartment plate, to meet putting into and meeting compartment needs of sensor simultaneously;
After the leakproofness that step 2 detects compartment device meets the demands, sensor of the present invention is put into gaging hole;
Step 3 connects the line to signal receiver;
Step 4 is filled with gases at high pressure by snorkel and keeps in compartment device, and the air pressure in compartment device should be greater than crack hydraulic pressure;
Step 5, after signal stabilization, gathers crevice water information by signal receiver, thus positions the crevice water information in rock mass and analyze;
Step 6 discharges air pressure by snorkel, and what adjust sensor enters hole depth, and compartment device position and last time are interlocked, or the position angle of adjustment sensor, or carries out in the gaging hole that another is new, repeats step 4 ~ 5;
Step 7 detects or monitors end, is exitted by snorkel, extracts sensor.
9. the using method of rock cranny water integrated information sensor as claimed in claim 1, it is characterized in that, being divided by sensing element after described compartment device is inflation is interposed between in sensing unit separate one by one, the sensing element in each sensing unit is ensured with this, can and can only sense from the crack with self place sensing unit UNICOM and conduct the crevice water of coming, thus realize the location of crevice water information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610035005.7A CN105486353B (en) | 2016-01-19 | 2016-01-19 | A kind of rock cranny water integrated information sensor and application method |
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| CN201610035005.7A CN105486353B (en) | 2016-01-19 | 2016-01-19 | A kind of rock cranny water integrated information sensor and application method |
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| CN105486353A true CN105486353A (en) | 2016-04-13 |
| CN105486353B CN105486353B (en) | 2017-08-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894384A (en) * | 2017-11-10 | 2018-04-10 | 石家庄铁道大学 | Hydrous fluids crack rock tunnel-liner distribution of water pressure Experimental mimic system |
| CN110220816A (en) * | 2019-04-25 | 2019-09-10 | 武汉理工大学 | A kind of optical fiber line style compound sensor railroad turnout tongue fracture real-time monitoring system |
| WO2019223316A1 (en) * | 2018-05-23 | 2019-11-28 | 山东科技大学 | Testing device used for determining water pressure in fracture of water injected coal seam and testing method |
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| JPH07270300A (en) * | 1994-03-29 | 1995-10-20 | Tetsuo Shoji | Method for evaluating water penetration property of underground rock |
| EP0899556A2 (en) * | 1997-08-29 | 1999-03-03 | General Electric Company | On-line rheometer device |
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| CN202735333U (en) * | 2012-04-10 | 2013-02-13 | 长江水利委员会长江科学院 | Fractured rock mass seepage and stress and deformation coupling in-situ test device |
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| CN104895595A (en) * | 2015-04-18 | 2015-09-09 | 山东大学 | Injection slurry diffusion range and rule determining method during anchor rod slurry injection |
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2016
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| JPS56154670A (en) * | 1980-04-30 | 1981-11-30 | Taisei Kiso Sekkei Kk | Measurement of minute flow velocity and flow direction of underground water |
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| EP0899556A2 (en) * | 1997-08-29 | 1999-03-03 | General Electric Company | On-line rheometer device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894384A (en) * | 2017-11-10 | 2018-04-10 | 石家庄铁道大学 | Hydrous fluids crack rock tunnel-liner distribution of water pressure Experimental mimic system |
| WO2019223316A1 (en) * | 2018-05-23 | 2019-11-28 | 山东科技大学 | Testing device used for determining water pressure in fracture of water injected coal seam and testing method |
| CN110220816A (en) * | 2019-04-25 | 2019-09-10 | 武汉理工大学 | A kind of optical fiber line style compound sensor railroad turnout tongue fracture real-time monitoring system |
| CN110220816B (en) * | 2019-04-25 | 2024-03-08 | 武汉理工大学 | Real-time monitoring system for fracture of railway switch rail by using optical fiber line type compound sensor |
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| CN105486353B (en) | 2017-08-01 |
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