CN109540352A - The pre-buried pressure sensing net structure of tunnel double-lining and its monitoring method - Google Patents
The pre-buried pressure sensing net structure of tunnel double-lining and its monitoring method Download PDFInfo
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- CN109540352A CN109540352A CN201910077273.9A CN201910077273A CN109540352A CN 109540352 A CN109540352 A CN 109540352A CN 201910077273 A CN201910077273 A CN 201910077273A CN 109540352 A CN109540352 A CN 109540352A
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- lead
- pull box
- lining
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- pressure
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000035807 sensation Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229920005596 polymer binder Polymers 0.000 claims description 3
- 239000002491 polymer binding agent Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000036541 health Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of pre-buried pressure sensing net structures of tunnel double-lining, including cylindric pull box, the point on the basis of pull box center, equal angles uniformly draw the isometric lead of the six roots of sensation outward on pull box, the end of lead connects to form regular hexagon by connecting line, and the front end of six wire is correspondingly connected with the uniform six built-in interfaces of pull box respectively;It is spaced pressure sensor there are three connecting on six leads, i.e., there was only one pressure sensor of setting on a lead on every adjacent two leads, only has on every adjacent two sections of connecting lines on regular hexagon connecting line and be provided with a pressure sensor on one section of connecting line.Matched and energy data communication monitoring device is plugged in cylindric pull box.The present invention also discloses the monitoring methods using the construction.The accurate positioning to pressure spot is realized using monitoring net, realizes regularly tunnel health monitoring, internal monitoring network is fed back by external monitoring reception device.
Description
Technical field
The present invention relates to pressure monitoring field, the pre-buried pressure sensing net structure of especially a kind of tunnel double-lining and its monitoring
Method.
Background technique
In recent years, the fast development of the infrastructure constructions cause such as subway, high-speed rail, tunnel construction work in China's is entered
Fast development period.The complicated conditions such as the massif engineering geology of Tunnel Passing and hydrogeology, each section of construction technology have differences,
Tunnel is caused to occur vault cracking in use, abutment wall cracking, vault cavity, tree build damage, Tunnel Water Leakage, country rock are big
Many health problems such as deformation, and the chief culprit of great number of issues is with regard to tunnel cracking, tunnel crack is further expanded under pressure
Exhibition, causes the globality of tunnel structure to be lost, and pressure water immerses crack and finally leads to great tunnel accident.It was runed in tunnel
Cheng Zhong, because of situations such as earth's surface variation, geological conditions change, newly-increased building and quiet dynamic load change caused tunnel subsidence,
Stress change is the major reason that tunnel crack occurs.
Chinese patent CN105469582A discloses the acquisition system and its collecting method of a kind of air pressure wave in tunnel, but
This method is intended to the collecting method of pressure wave, and does not provide specific monitoring side to the pressure change of tunnel structure body
Formula.
Chinese patent 201620857051.0 discloses a kind of Novel resistor strain-type soil pressure cell sensor, unreal
Now plus survey grid network, a point can only be monitored, can not achieve the positioning of netted monitoring and pressure spot.
Chinese patent application 201510330076.5 discloses a kind of lateral wall soil pressure cell fluid pressure type embedded device and buries
Equipment, method, but in this application and the designs of external external monitoring devices is not implemented.
Summary of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of pre-buried pressure sensing net of tunnel double-lining
Network construction and its monitoring method realize the accurate positioning to pressure spot using monitoring net, realize regularly tunnel health monitoring,
Internal monitoring network is fed back by external monitoring reception device.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of pre-buried pressure sensing net structure of tunnel double-lining, including cylindric pull box, point, draws on the basis of pull box center
Equal angles uniformly draw the isometric radial lead of the six roots of sensation outward in wire box, and the end of radial lead connects to be formed by broadwise lead
Regular hexagon, the front end of six roots of sensation radial lead are correspondingly connected with the uniform six built-in interfaces of pull box respectively;
Pressure sensor there are three connecting is spaced on six radial leads, i.e., an only radial direction on every adjacent two radial leads
One radial pressure sensor is set on lead, only one section of latitude on every adjacent two sections of broadwise leads on regular hexagon broadwise lead
A pressure sensor is provided on lead.
Matched and energy data communication monitoring device is plugged in the cylindrical shape pull box.
Six interfaces include spaced set in the stem on pull box inner wall, and every towards pull box center
A lead item is respectively provided on lead cylinder, lead item is connect with radial lead one end.
The connecting hole being pierced by for radial lead is provided on the pull box.
The protrusion column that the pull box upper surface is equipped in a lower part cylindricality connector with monitoring device matches
Groove, the two combine after, play positioning action, and then fix the correspondence position of wire lead slot in remaining lead item and monitoring device
Set, when detection can accurate alignment sensor numerical value.
The pull box in tunnel structure body, pours height of the depth higher than two lining concrete with concreting,
Slightly above tunnel fills decorative layer, configures corresponding lead box cover on pull box.
The radial direction or broadwise pressure sensor are high-strength pre-buried silicon piezoresistive pressure sensing resistor, and the sensing resistor is by high score
The soft outer sheath covers of son, and the leading wire joint of sensing resistor is by polymer binder adhesive seal.
The monitoring device includes the top display and lower part cylindricality connector of integral structure, the cylindricality connector packet
Include a cylindrical body, opened up on the cylindrical body excircle there are six with six stems and lead item phase on pull box inner wall
Matched wire lead slot is provided with the metal strip being in contact with lead item in wire lead slot, is connected on metal strip and top display
Connected data line.
The display is built-in with pressure information acquisition processing system.Pressure information acquisition processing system is existing system
System, details are not described herein.
A kind of monitoring method using the pre-buried pressure sensing net structure of tunnel double-lining, comprising the following steps:
1) pressure sensing net structure is embedded in advance in tunnel two-lining structure, in the reserved warp of the tunnel internal just served as a contrast, broadwise pressure
The space of sensor disposes warp, broadwise pressure sensor in corresponding position respectively, carries out radial, broadwise lead in tunnel inner wall
Laying, carry out two lining construction;
2) pull box pours height of the depth higher than two lining concrete, slightly above with concreting in tunnel structure body
Tunnel fills decorative layer, configures corresponding lead box cover on pull box;
3) when monitoring, monitoring device is injected into pull box, the gold of the cylindricality connector of the lead item in pull box and monitoring device
Belong to item connection, pressure information acquisition processing system acquisition different location pressure signal simultaneously record preservations, by control it is different pass through,
Broadwise lead is cut-off, and pressure information acquisition processing system acquires and identifies the pressure for determining different warps, broadwise pressure sensor
Signal determines the compression variation of each point;
4) after monitoring, monitoring device is extracted from pull box, and pull box can be sealed by lead box cover, keep drawing
Wire box is clean when not monitoring.
The beneficial effects of the present invention are:
1) present invention will be provided with information collection function pressure inductor nuzzle in advance concrete tunnel structure body in, realize structure
The monitoring of body internal pressure is conducive to carry out prevention and control at stress variation initial stage.
2) present invention connected by hexagon wire elements, circuit communication is simple, and monitoring area is big, may be implemented by put and
The pressure monitoring in face is conducive to the identification at emphasis pressure position.
3) present invention uses multi-measuring point cycle monitoring system, and areal pressure monitoring and each measuring point pressure change may be implemented
Trend determines pressure application position by each measuring point pressure change.
4) groove is arranged in the cylindricality connector of monitoring device, mutually agrees with the binding post of pull box, guarantees installing and using
When six interfaces accurate correspondence.The lead item of interface is in contact with the metal strip in the groove of monitoring device in pull box,
Connection circuit is formed, the data feedback of each pressure sensor is realized by pressure information acquisition processing system, simplifies monitoring step
Rapid and program realizes that a sensing display has collected mostly measuring point data.
Detailed description of the invention
Fig. 1 is pressure sensing net structure schematic diagram of the invention;
Fig. 2 is the schematic diagram of pull box and stem of the invention;
Fig. 3 is pull box and reticular structure lead connection schematic diagram of the invention
Fig. 4 is the cylindricality connector construction schematic diagram of monitoring device of the invention;
Fig. 5 is the cylindricality connector sectional view of monitoring device of the invention
Wherein, 1. pull box, 2. through to lead, 3. broadwise leads, 4. broadwise pressure sensors, and 5. through to pressure sensor, and 6.
Stem, 7. lead items, 8. grooves, 9. cylindricality connectors, 10. wire lead slots, 11. metal strips, 12. connecting holes, 13. prominent columns.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
This specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be merely convenient to
Narration is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the present invention.
As Figure 1-Figure 5, the pre-buried pressure sensing net structure of tunnel double-lining, including cylindric pull box 1, with pull box
Point on the basis of 1 center, it is isometric through passing through to the end of lead 2, lead 2 uniformly to draw the six roots of sensation outward for equal angles on pull box 1
The connection of broadwise lead 3 forms regular hexagon, through corresponding with the uniform six built-in interfaces of pull box 1 respectively to the front end of lead 2
Connection;
Six through on lead 2, there are three through to pressure sensor 5, i.e., every adjacent two on lead 2 through only having for interval connection
One is arranged on one lead through to pressure sensor 5, on regular hexagon broadwise lead 3 per adjacent two sections of leads on only one section
A broadwise pressure sensor 4 is provided on broadwise lead line 3, as shown in Figure 1, six pressure sensors be respectively labeled as A, B,
C、D、E、F。
Lead item 7, lead item 7 are connect with through passing through connecting hole 12 to lead 2.
There are six stems 6 for 1 inside of pull box, when the lower part cylindricality connector of monitoring device is inserted into pull box, with
Wire lead slot 10 is corresponding.The clamping corresponding with the protrusion column 13 in the connector of detection device lower part of groove 8 on 1 upper surface of pull box,
Positioning action is played, and then fixes the corresponding position of wire lead slot in remaining six lead item and monitoring device.Pull box 1 is with coagulation
Soil pours in tunnel structure body, pours height of the depth higher than two lining concrete, slightly above tunnel fills decorative layer, pull box
Corresponding lead box cover is configured on 1.
It is high-strength pre-buried silicon piezoresistive pressure sensing resistor through, broadwise pressure sensor 5,4, the sensing resistor is soft by macromolecule
Matter outer sheath covers, and the leading wire joint of sensing resistor is by polymer binder adhesive seal.
Fig. 4 is the transverse cross-sectional view of Fig. 5 detection device lower part cylindricality connector 9.Be plugged in cylindric pull box 1 and its
Match the monitoring device of simultaneously energy data communication.Monitoring device includes the top display and lower part cylindricality connector 9 of integral structure,
The cylindricality connector 9 includes a cylindrical body, opens up that there are six draw with six on pull box inner wall on cylindrical body excircle
The wire lead slot 10 that terminal 6 and lead item 7 match is provided with the metal strip 11 being in contact with lead item 7 in lead groove 10, gold
Belong to and is connected with the data line being connected with top display on item 11.
Being inserted into pull box 1 by cylindricality connector 9 makes it be connected, and 9 sectional dimension of cylindricality connector is slightly less than pull box 1
Internal diameter can mutually agree with.It can receive external pressure signal after monitoring device connection, by being closed different pin interfaces
It realizes single line connection, and then measures the pressure of different location.Monitoring can be fed back after terminating with external network, be realized
Real-time long-acting monitoring.Monitoring device is pulled up in monitoring after terminating.
Display is built-in with pressure information acquisition processing system.Pressure information acquisition processing system is existing system,
This is repeated no more.
A kind of monitoring method using the pre-buried pressure sensing net structure of tunnel double-lining, comprising the following steps:
1) pressure sensing net structure is embedded in advance in tunnel two-lining structure, in the reserved warp of the tunnel internal just served as a contrast, broadwise pressure
The space of sensor disposes pressure sensor A, B, C, D, E, F in corresponding position respectively, carries out the paving of lead in tunnel inner wall
If carrying out two lining constructions;
2) pull box pours height of the depth higher than two lining concrete, slightly above with concreting in tunnel structure body
Tunnel fills decorative layer, configures corresponding lead box cover on pull box 1;
3) when monitoring, monitoring device is injected into pull box, the cylindricality connector 9 of the lead item 7 in pull box and monitoring device
Metal strip 11 is connected to, and the pressure signal of pressure information acquisition processing system acquisition different location simultaneously records preservation, by controlling not
It is cut-off with warp, broadwise lead, pressure information acquisition processing system, which acquire and identified, determines different warps, broadwise pressure sensor
Pressure signal determines the compression variation of each point;
As shown in Figure 1, when specific monitoring:
Control system is connected to stem a, b, may be implemented to show the registration of radial pressure sensor A.Control system connection is drawn
Terminal b, d may be implemented to show the registration of broadwise pressure sensor D.Control system is connected to stem c, d, may be implemented pair
The registration of radial pressure sensor B is shown.Control system is connected to stem d, f, may be implemented to show broadwise pressure sensor E
Digital display shows.Control system is connected to stem e, f, may be implemented to show the registration of radial pressure sensor C.Control system connection
Stem f, b may be implemented to show the registration of broadwise pressure sensor F;
4) after monitoring, monitoring device is extracted from pull box, and pull box can be sealed by lead box cover, keep drawing
Wire box is clean when not monitoring.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of pre-buried pressure sensing net structure of tunnel double-lining, characterized in that including cylindric pull box, with pull box center
On the basis of point, equal angles uniformly draw the isometric radial lead of the six roots of sensation outward on pull box, and the end of radial lead passes through broadwise
Lead connects to form regular hexagon, and the front end of six roots of sensation radial lead is corresponding with the uniform six built-in interfaces of pull box respectively to be connected
It connects;
Pressure sensor there are three connecting is spaced on six radial leads, i.e., an only radial direction on every adjacent two radial leads
One radial pressure sensor is set on lead, only one section of latitude on every adjacent two sections of broadwise leads on regular hexagon broadwise lead
A pressure sensor is provided on lead.
2. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the cylindrical shape pull box
Inside it is plugged with matched and energy data communication monitoring device.
3. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that six interfaces include
Spaced set is in being respectively provided with a lead on the stem on pull box inner wall, the every lead cylinder towards pull box center
Item, lead item are connect with radial lead one end.
4. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that be arranged on the pull box
There is the connecting hole being pierced by for radial lead.
5. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the pull box upper surface
The groove that the protrusion column being equipped in a lower part cylindricality connector with monitoring device matches.
6. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the pull box is with coagulation
Soil pours in tunnel structure body, pours height of the depth higher than two lining concrete, slightly above tunnel fills decorative layer, pull box
The upper corresponding lead box cover of configuration.
7. the pre-buried pressure sensing net structure of tunnel double-lining as described in claim 1, characterized in that the radial direction or broadwise pressure
Force snesor is high-strength pre-buried silicon piezoresistive pressure sensing resistor, which senses electricity by the soft outer sheath covers of macromolecule
The leading wire joint of resistance is by polymer binder adhesive seal.
8. the pre-buried pressure sensing net structure of tunnel double-lining as claimed in claim 2, characterized in that the monitoring device includes
The top display and lower part cylindricality connector of integral structure, the cylindricality connector include a cylindrical body, the cylindrical body
Opened up on excircle there are six with six stems and the wire lead slot that matches of lead item on pull box inner wall, set in wire lead slot
It is equipped with the metal strip being in contact with lead item, the data line being connected with top display is connected on metal strip.
9. the pre-buried pressure sensing net structure of tunnel double-lining as claimed in claim 8, characterized in that the display is built-in with
Pressure information acquisition processing system.
10. a kind of monitoring method using the pre-buried pressure sensing net structure of tunnel double-lining, comprising the following steps:
1) pressure sensing net structure is embedded in advance in tunnel two-lining structure, in the reserved warp of the tunnel internal just served as a contrast, broadwise pressure
The space of sensor disposes warp, broadwise pressure sensor in corresponding position respectively, carries out radial, broadwise lead in tunnel inner wall
Laying, carry out two lining construction;
2) pull box pours height of the depth higher than two lining concrete, slightly above with concreting in tunnel structure body
Tunnel fills decorative layer, configures corresponding lead box cover on pull box;
3) when monitoring, monitoring device is injected into pull box, the gold of the cylindricality connector of the lead item in pull box and monitoring device
Belong to item connection, pressure information acquisition processing system acquisition different location pressure signal simultaneously record preservations, by control it is different pass through,
Broadwise lead is cut-off, and pressure information acquisition processing system acquires and identifies the pressure for determining different warps, broadwise pressure sensor
Signal determines the compression variation of each point;
4) after monitoring, monitoring device is extracted from pull box, and pull box can be sealed by lead box cover, keep drawing
Wire box is clean when not monitoring.
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CN201910077273.9A CN109540352B (en) | 2019-01-28 | 2019-01-28 | Tunnel secondary lining embedded pressure sensing network structure and monitoring method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110455236A (en) * | 2019-07-30 | 2019-11-15 | 山东大学 | A kind of pressure sensitive device and application method for tunnel double-lining thickness monitor |
CN110645941A (en) * | 2019-09-12 | 2020-01-03 | 山东大学 | Pressure sensing device and monitoring method for monitoring thickness of tunnel secondary lining |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014089183A (en) * | 2012-10-03 | 2014-05-15 | Seiko Instruments Inc | Pressure sensor |
CN209230836U (en) * | 2019-01-28 | 2019-08-09 | 山东科技大学 | The pre-buried pressure sensing net structure of tunnel double-lining |
CN111608730A (en) * | 2020-05-22 | 2020-09-01 | 中铁隧道局集团有限公司 | Pressure box embedding method for monitoring pressure of each layer of tunnel multi-layer support |
-
2019
- 2019-01-28 CN CN201910077273.9A patent/CN109540352B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014089183A (en) * | 2012-10-03 | 2014-05-15 | Seiko Instruments Inc | Pressure sensor |
CN209230836U (en) * | 2019-01-28 | 2019-08-09 | 山东科技大学 | The pre-buried pressure sensing net structure of tunnel double-lining |
CN111608730A (en) * | 2020-05-22 | 2020-09-01 | 中铁隧道局集团有限公司 | Pressure box embedding method for monitoring pressure of each layer of tunnel multi-layer support |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110455236A (en) * | 2019-07-30 | 2019-11-15 | 山东大学 | A kind of pressure sensitive device and application method for tunnel double-lining thickness monitor |
CN110645941A (en) * | 2019-09-12 | 2020-01-03 | 山东大学 | Pressure sensing device and monitoring method for monitoring thickness of tunnel secondary lining |
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