CN107014734A - One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method - Google Patents
One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method Download PDFInfo
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- CN107014734A CN107014734A CN201710343217.6A CN201710343217A CN107014734A CN 107014734 A CN107014734 A CN 107014734A CN 201710343217 A CN201710343217 A CN 201710343217A CN 107014734 A CN107014734 A CN 107014734A
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- osmotic pressure
- pressure
- tunnel surrounding
- internal penetration
- main body
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 26
- 230000035515 penetration Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000003204 osmotic effect Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 239000011435 rock Substances 0.000 claims abstract description 8
- 230000006641 stabilisation Effects 0.000 claims abstract description 3
- 238000011105 stabilization Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
It is used for tunnel surrounding internal penetration device for pressure measurement and method the invention discloses one kind, device includes main body frame, bore closed mechanism, osmotic pressure measuring mechanism and data processor, bore closed mechanism, osmotic pressure measuring mechanism and data processor are arranged on main body frame, main body frame provides bearing capacity, it is ensured that its stabilization is installed in drilling;Bore closed mechanism is arranged on main body frame, cut-out drilling and the hydraulic connection of exterior space, unidirectional air pressure-loading is carried out into drilling simultaneously, osmotic pressure measuring mechanism detects real-time osmotic pressure, data processor controlled loading air pressure and collection and gathers osmotic pressure data.The present invention has abandoned the embedded work of traditional osmotic pressure monitoring element, reduces the complexity of operation, it is to avoid the waste of a large amount of monitoring elements, effectively improves the efficiency of tunnel construction site country rock internal penetration pressure measxurement work, it is ensured that the accuracy of data.
Description
Technical field
It is used for tunnel surrounding internal penetration device for pressure measurement and measuring method the present invention relates to one kind.
Background technology
Tunnel Engineering build in, especially Karst-fissure water develop area, complicated hydrogeological conditions, for a long time with
Come, because underground water does not reconnoitre clear, cause the example of Tunnel Engineering accident can be found everywhere.Want to have tunnel Sui Zhi areas underground water
One is apparent from, and groundwater seepage pressure measxurement work is essential inside tunnel surrounding, and must be promptly and accurately.
Osmometer is mainly embedded to country rock by the conventional groundwater seepage pressure measurement method of existing tunnel construction site
Measured behind inside by readout instrument, osmometer is embedded to be needed to carry out sandstone and slip casting backfill, complex operation and influence construction,
And if short time measurement can cause the waste of a large amount of monitoring elements, take time and effort, applicability is low.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that one kind is used for tunnel surrounding internal penetration device for pressure measurement and survey
Amount method, the present invention has abandoned the embedded work of traditional osmotic pressure monitoring element, reduce the complexity of operation, it is to avoid a large amount of prisons
The waste of element is surveyed, the efficiency of tunnel construction site country rock internal penetration pressure measxurement work is effectively improved, it is ensured that the standard of data
True property.
To achieve these goals, the present invention is adopted the following technical scheme that:
One kind is used for tunnel surrounding internal penetration device for pressure measurement, including main body frame, bore closed mechanism, osmotic pressure
Power measuring mechanism and data processor, the bore closed mechanism, osmotic pressure measuring mechanism and data processor are arranged at master
On body framework, main body frame provides bearing capacity, it is ensured that its stabilization is installed in drilling;
The bore closed mechanism is arranged on main body frame, cut-out drilling and the hydraulic connection of exterior space, while to
Unidirectional air pressure-loading is carried out in drilling, the osmotic pressure measuring mechanism detects real-time osmotic pressure, the data processor
Controlled loading air pressure and collection simultaneously gather osmotic pressure data.
The main body frame specifically includes rigid casing, annular brace, instrument and lays termination and permeable filtering termination, described
Annular brace is set on the outside of rigid casing, and to provide support force, the permeable filtering termination is arranged at one end of rigid casing,
Instrument lays the other end that termination is arranged at rigid casing.
The permeable filtering termination is connected with rigid casing, and permeable hole and filter screen are set thereon, prevents landwaste and mud from entering
Enter in rigid casing.
The instrument, which is laid, sets electric pneumatic loader and data processor in termination.
The bore closed mechanism, including elastic bag, air inlet pipe, unidirectional air-stopping valve, gas bleeder valve and electric pneumatic loading
Device, the elastic bag is set in rigid casing outer, and air inlet pipe one end passes through the preformed hole and elastic bag on rigid casing
Connection, the other end is connected with electric pneumatic loader, and electric pneumatic loader is pressed into gas into elastic bag, and the junction is set
Unidirectional air-stopping valve is put, unidirectional air-stopping valve is in air pressure-loading, and limitation gas only enters elastic bag.
Gas bleeder valve is provided with the air inlet pipe, to discharge the gas in elastic bag.
The osmotic pressure measuring mechanism is set in rigid casing.
The osmotic pressure measuring mechanism includes osmometer and electric lead, and osmometer is arranged on foregoing permeable filtering termination
Place, carries out osmotic pressure collection, is connected and carried out data transmission with data processor by electric lead.
The elastic bag has retractility and dilatancy, using elastic material, such as rubber.
Based on the method for work of above-mentioned measurement apparatus, including:
1) osmotic pressure measurement apparatus is inserted in tunnel surrounding internal bore to be measured;
2) after measurement apparatus is placed, close gas bleeder valve and open electric pneumatic loader and inflated into elastic bag,
Under the control action of unidirectional air-stopping valve, elastic bag expands and is gradually brought into close contact with the wall of a borehole, plays a part of water proof;
3) after underground water is slowly added into drilling front end closing space, osmotic pressure measuring mechanism gradually monitors osmotic pressure
Power simultaneously transfers data to data processor, and during pressure level-off state to be infiltrated, the osmotic pressure now measured is to enclose
Rock internal penetration pressure;
4) after being measured, original size of being retracted in gas bleeder valve, elastic bag after gas release is opened, osmotic pressure is surveyed
Amount device is withdrawn from drilling, completes operation.
Compared with prior art, beneficial effects of the present invention are:
The present invention will cleverly be drilled by the bore closed device of design and the water conservancy of exterior space contact cut-out, protected
The accuracy of seepage water pressure measurement has been demonstrate,proved, and by discharging elastic bag gas, has realized the reusable of measurement apparatus,
The waste of a large amount of monitoring elements is avoided, the efficiency of tunnel construction site country rock internal penetration pressure measxurement work is effectively improved,
Ensure the accuracy of data.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is measurement apparatus insertion drilling schematic diagram of the present invention;
Fig. 2 is the device decomposing schematic representation of the present invention;
Fig. 3 is the device thin portion schematic diagram of the present invention;
Fig. 4 is the unidirectional air-stopping valve schematic diagram of the present invention;
Fig. 5 is the elastic bag cut-away illustration of the present invention;
Fig. 6 is the front and rear schematic diagram of elastic bag inflation of the present invention.
Wherein:1- main body frames;2- bore closed devices;3- osmotic pressure measurement apparatus;4- data processing equipments;5- is firm
Property sleeve pipe;6- annular braces;The permeable filtering terminations of 7-;8- instrument lays termination;9- elastic bags;10- air inlet pipe;11- is unidirectional
Air-stopping valve;12- gas bleeder valves;13- electric pneumatic loaders;14- osmometers;15- electric leads.
Embodiment:
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is the conventional groundwater seepage pressure of tunnel construction site in existing technology
Measuring method is measured after osmometer mainly is embedded into country rock inside by readout instrument, and osmometer is embedded to be needed to carry out sandstone
And slip casting backfill, complex operation and influence construction, and if short time measurement can cause the waste of a large amount of monitoring elements, consumption
When effort, the low deficiency of applicability, in order to solve technical problem as above, present applicant proposes one kind be used for tunnel surrounding inside
Osmotic pressure measurement apparatus.
In a kind of typical embodiment of the application, as shown in figure 1, a kind of tunnel surrounding internal penetration pressure that is used for is surveyed
Measure device, including main body frame 1, bore closed device 2, osmotic pressure measurement apparatus 3 and data processing equipment 4.
Main body frame 1, is the supporting body of whole device, by rigid casing 5, annular brace 6, permeable filtering termination 7 and instrument
Table is laid termination 8 and constituted.Preformed hole is set on rigid casing 5;Annular brace 6 is enclosed on the whole body of rigid casing 5, plays support and makees
With;Permeable filtering termination 7 is connected with rigid casing 5, and permeable hole and filter screen are set thereon, prevents landwaste and mud from entering rigid enclosure
In pipe 5, play a protective role;Instrument is laid termination 8 and is connected with rigid casing 5, the electric pneumatic loader following for placing
13 and data processing equipment 4.
Bore closed device 2, for cutting off drilling and the hydraulic connection of exterior space, by elastic bag 9, air inlet pipe 10,
Unidirectional air-stopping valve 11, gas bleeder valve 12 and electric pneumatic loader 13.Elastic bag 9 has the characteristic of wear-resisting and balloon, set
On the above-mentioned whole body of rigid casing 5, it is connected with air inlet pipe 10;The one end of air inlet pipe 10 passes through preformed hole and elasticity on rigid casing 5
Air bag 9 is connected, and the other end is connected with electric pneumatic loader 13, and junction sets unidirectional air-stopping valve 11 and gas bleeder valve 12;Unidirectionally
Air-stopping valve 11 is used in air pressure-loading, and limitation gas only enters elastic bag 9 without being come out from air bag;Gas bleeder valve 12 is used
Gas in release elastic bag 9 after being measured;Electric pneumatic loader 13 is used to be pressed into gas into elastic bag 9,
It is placed in foregoing instrument to lay at termination 8, existing species is more, and here is omitted.
Osmotic pressure measurement apparatus 3, is monitored in real time for osmotic pressure, is made up of osmometer 14 and electric lead 15.Osmotic pressure
Meter 14 be arranged on foregoing permeable filtering termination 7 at, carry out osmotic pressure collection, by electric lead 15 be connected with data processing equipment 4 into
Row data transfer, existing species is more, and here is omitted.
Data processing equipment 4, for controlled loading air pressure and collection, processing osmotic pressure data, is placed in foregoing instrument
Lay at termination 8.
One kind is used for tunnel surrounding internal penetration device for pressure measurement, it is characterised in that measuring method includes the following steps:
1) the osmotic pressure measurement apparatus is inserted in tunnel surrounding internal bore to be measured, now elastic bag 9 does not fill
Gas expands.
2) after measurement apparatus is placed, close gas bleeder valve 12 and open electric pneumatic loader 13 and filled into elastic bag 9
Gas, under the control action of unidirectional air-stopping valve 11, elastic bag 9 expands and is gradually brought into close contact with the wall of a borehole, plays water proof
Effect.
3) after underground water is slowly added into drilling front end closing space, osmotic pressure measurement apparatus 3 gradually monitors infiltration
Pressure simultaneously transfers data to data processing equipment 4, and during pressure level-off state to be infiltrated, the osmotic pressure now measured is i.e.
For country rock internal penetration pressure.
4) after being measured, original size of being retracted in gas bleeder valve 12, elastic bag 9 after gas release is opened, by osmotic pressure
Force measuring device is withdrawn from drilling, completes operation.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. one kind is used for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:Including main body frame, bore closed machine
Structure, osmotic pressure measuring mechanism and data processor, the bore closed mechanism, osmotic pressure measuring mechanism and data processor
It is arranged on main body frame, main body frame provides bearing capacity, it is ensured that its stabilization is installed in drilling;
The bore closed mechanism is arranged on main body frame, cut-out drilling and the hydraulic connection of exterior space, while to drilling
Interior to carry out unidirectional air pressure-loading, the osmotic pressure measuring mechanism detects real-time osmotic pressure, the data processor controlled
Loading air pressure and collection simultaneously gather osmotic pressure data.
2. it is as claimed in claim 1 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The main body
Framework specifically includes rigid casing, annular brace, instrument and lays termination and permeable filtering termination, and the annular brace is set in just
Property outside of sleeve, to provide support force, the permeable filtering termination is arranged at one end of rigid casing, and instrument is laid termination and set
In the other end of rigid casing.
3. it is as claimed in claim 2 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:It is described permeable
Filtering termination is connected with rigid casing, and permeable hole and filter screen are set thereon, prevents landwaste and mud from entering in rigid casing.
4. it is as claimed in claim 2 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The instrument
Lay and electric pneumatic loader and data processor are set in termination.
5. it is as claimed in claim 1 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The drilling
Closing means, including elastic bag, air inlet pipe, unidirectional air-stopping valve, gas bleeder valve and electric pneumatic loader, the elastic bag set
Be located at rigid casing outer, air inlet pipe one end is connected through the preformed hole on rigid casing with elastic bag, the other end with it is electronic
Air pressure-loading device is connected, and electric pneumatic loader is pressed into gas into elastic bag, and the junction sets unidirectional air-stopping valve, unidirectionally
Air-stopping valve is in air pressure-loading, and limitation gas only enters elastic bag.
6. it is as claimed in claim 5 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The air inlet
Gas bleeder valve is provided with pipe, to discharge the gas in elastic bag.
7. it is as claimed in claim 1 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The infiltration
Pressure measxurement mechanism is set in rigid casing.
8. it is as claimed in claim 1 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The infiltration
Pressure measxurement mechanism includes osmometer and electric lead, and osmometer is arranged on foregoing permeable filtering end, carries out osmotic pressure collection, leads to
Cross electric lead and be connected with data processor and carried out data transmission.
9. it is as claimed in claim 1 a kind of for tunnel surrounding internal penetration device for pressure measurement, it is characterized in that:The elasticity
Air bag has retractility and dilatancy, using elastic material.
10. based on the method for work of the measurement apparatus any one of claim 1-9, it is characterized in that, including:
1) osmotic pressure measurement apparatus is inserted in tunnel surrounding internal bore to be measured;
2) after measurement apparatus is placed, close gas bleeder valve and open electric pneumatic loader and inflated into elastic bag, unidirectional
Under the control action of air-stopping valve, elastic bag expands and is gradually brought into close contact with the wall of a borehole, plays a part of water proof;
3) after underground water is slowly added into drilling front end closing space, osmotic pressure measuring mechanism gradually monitors osmotic pressure simultaneously
Data processor is transferred data to, during pressure level-off state to be infiltrated, the osmotic pressure now measured is in country rock
Portion's osmotic pressure;
4) after being measured, original size of being retracted in gas bleeder valve, elastic bag after gas release is opened, osmotic pressure is measured and filled
Put and withdrawn from drilling, complete operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710343217.6A CN107014734A (en) | 2017-05-16 | 2017-05-16 | One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710343217.6A CN107014734A (en) | 2017-05-16 | 2017-05-16 | One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method |
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CN107014734A true CN107014734A (en) | 2017-08-04 |
Family
ID=59450180
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CN201710343217.6A Pending CN107014734A (en) | 2017-05-16 | 2017-05-16 | One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113654710A (en) * | 2021-10-19 | 2021-11-16 | 长江水利委员会长江科学院 | Rapid installation device for monitoring water pressure outside underground engineering and application method |
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CN101231226A (en) * | 2008-01-29 | 2008-07-30 | 成都理工大学 | Rock high pressure infiltration experiment system |
CN101858848A (en) * | 2010-04-28 | 2010-10-13 | 中国水电顾问集团中南勘测设计研究院 | Rock high-pressure permeability testing method and device based on rock displacement and hole-pressure |
CN101858808A (en) * | 2010-04-28 | 2010-10-13 | 中国水电顾问集团中南勘测设计研究院 | Osmotic pressure measuring device for high water pressure test system |
CN201637650U (en) * | 2009-12-25 | 2010-11-17 | 崔开华 | Drilling water pressure test/grouting equipment |
CN201637651U (en) * | 2010-04-28 | 2010-11-17 | 中国水电顾问集团中南勘测设计研究院 | Rock mass high-pressure permeability testing device based on displacement and hole pressure of rock mass |
CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
CN203241325U (en) * | 2013-04-17 | 2013-10-16 | 南京大学 | Portable device for water-pressure test in situ |
CN106525693A (en) * | 2016-12-27 | 2017-03-22 | 盐城工学院 | Hydraulic type penetration pressure loading device used for rock penetration test |
CN106644880A (en) * | 2016-11-25 | 2017-05-10 | 天津大学 | Seepage air pressure consolidation apparatus |
-
2017
- 2017-05-16 CN CN201710343217.6A patent/CN107014734A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101231226A (en) * | 2008-01-29 | 2008-07-30 | 成都理工大学 | Rock high pressure infiltration experiment system |
CN201637650U (en) * | 2009-12-25 | 2010-11-17 | 崔开华 | Drilling water pressure test/grouting equipment |
CN101858848A (en) * | 2010-04-28 | 2010-10-13 | 中国水电顾问集团中南勘测设计研究院 | Rock high-pressure permeability testing method and device based on rock displacement and hole-pressure |
CN101858808A (en) * | 2010-04-28 | 2010-10-13 | 中国水电顾问集团中南勘测设计研究院 | Osmotic pressure measuring device for high water pressure test system |
CN201637651U (en) * | 2010-04-28 | 2010-11-17 | 中国水电顾问集团中南勘测设计研究院 | Rock mass high-pressure permeability testing device based on displacement and hole pressure of rock mass |
CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
CN203241325U (en) * | 2013-04-17 | 2013-10-16 | 南京大学 | Portable device for water-pressure test in situ |
CN106644880A (en) * | 2016-11-25 | 2017-05-10 | 天津大学 | Seepage air pressure consolidation apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113654710A (en) * | 2021-10-19 | 2021-11-16 | 长江水利委员会长江科学院 | Rapid installation device for monitoring water pressure outside underground engineering and application method |
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