CN208155299U - Section Settlement measuring device and monitoring system based on submillimeter displacement sensor - Google Patents
Section Settlement measuring device and monitoring system based on submillimeter displacement sensor Download PDFInfo
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- CN208155299U CN208155299U CN201820012879.5U CN201820012879U CN208155299U CN 208155299 U CN208155299 U CN 208155299U CN 201820012879 U CN201820012879 U CN 201820012879U CN 208155299 U CN208155299 U CN 208155299U
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Abstract
The utility model discloses a kind of Section Settlement measuring device based on submillimeter displacement sensor and monitoring systems, device includes the two or more groove pulleys being uniformly or non-uniformly arranged on tunnel cross-section along lining cutting circumferential direction, at least one tensioning steel wire along the laying of groove pulley, and the submillimeter displacement sensor in the setting of tensioning steel wire one end, the other end for being tensioned steel wire are fixed on a groove pulley；Groove pulley is fixed in tunnel cross-section lining cutting by pulley support.The utility model is applied it in the deformation monitoring of tunnel cross-section using the submillimeter displacement sensor of low cost, by reducing the measuring range of monitoring sensor, to improve the precision of measurement.The utility model transmits tunnel deformation amount using tensioning steel wire, tunnel deformation amount is converted to the moving displacement of tensioning steel wire, apparatus structure is simple, it is small to occupy tunnel vault space, train passage limit will not be invaded, does not influence the height that is open to traffic, it is quick on the draw, measurement accuracy is high, is not influenced by environment such as tunnel bends, at low cost.
Description
Technical field
The utility model relates to a kind of tunnel cross-section settlement monitoring devices, more particularly to based on submillimeter displacement sensor
Section Settlement measuring device and monitoring system.
Background technique
As the continuous growth of Chinese national economy reduces road elapsed time for convenience of people's trip, city rail is made
Gradually become mainstream trip mode for a kind of special mode of transportation, therefore, in order to ensure that the public securities of the lives and property,
It is necessary to carry out all-weather safety monitoring to tunnel.
Tunnel is influenced by various factors such as surrounding ground construction, Decline or rise of groundwater level and variation of ambient temperature,
Geometric deformation may occur during operation, such as sink and be displaced.Existing tunnel safety monitoring system, mostly using measurement machine
The mode of the scheme of people's automatic monitoring, this laser measurement lays prism in the biggish region of tunnel subsidence probability, using wheel
The mode for asking scanning measures the deformation of cross sections.But this scheme will receive the limitation of environmental condition：
The first, measurement distance is limited, and the measurement method of photoelectricity needs to meet intervisibility between point being monitored and laser emission point,
Therefore, during tunnel is turned, or during tunnel instrument stops, the measurement method of laser will be not suitable for.
Second, the measurement accuracy of robot measurement is lower with respect to vibrating wire sensor, generally comes card TM30 and nominally measures machine
Measurement accuracy of people's measurement accuracy in the case where there is prism is 0.6mm, and the measurement accuracy under no prism is 2mm.
Third, project cost are higher, and robot measurement is high-accuracy measuring instrument, and hardware cost is higher, a measuring machine
The price of device people is at 300,000 yuan or more.
There are also some projects to use personal monitoring, by the way of every half a year either each season personal monitoring, this kind
Mode handles that charge operation formality is extremely difficult after tunnel enters the operation phase, and the data break period of acquisition is big, be easy to cause
Some abnormal conditions that test leakage impacts tunnel, while personal monitoring is using traditional total station or level monitoring, essence
It is lower to spend opposite which.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of base
In the Section Settlement measuring device and monitoring system of submillimeter displacement sensor.
In order to realize that the above-mentioned purpose of the utility model, first aspect according to the present utility model provide a kind of base
It is uniformly or non-uniformly set in the Section Settlement measuring device of submillimeter displacement sensor, including on tunnel cross-section along lining cutting circumferential direction
The two or more groove pulleys set, at least one tensioning steel wire laid along groove pulley, at least one are tensioned steel
Silk has at least one tensioning steel wire to pass through by the fluted pulley of all or part of groove pulley and institute, in tensioning steel wire
Weight and submillimeter displacement sensor is arranged in one end, and the other end of the tensioning steel wire is fixed on a groove pulley；
The groove pulley is fixed in tunnel cross-section lining cutting by pulley support.
Sensor is monitored using the submillimeter displacement sensor of low cost, applies it to the deformation monitoring of tunnel cross-section
In, by reducing the measuring range of monitoring sensor, to improve the precision of measurement.Tunnel deformation is transmitted using tensioning steel wire
The tunnel deformation amount for being not easy to detect is converted to the moving displacement of the tensioning steel wire easily measured, reduces measurement difficulty by amount.The dress
It is simple to set structure, occupancy tunnel vault space is small, will not invade train passage limit, and it does not influence to be open to traffic highly and tunnel is current,
It is quick on the draw, measurement accuracy is high, is not influenced by environment such as tunnel bends, at low cost.
In another preferred embodiment of the utility model, the tensioning steel wire is along groove pulley subsection setup, often
Section tensioning steel wire at least crosses over two groove pulleys, and one end setting weight and submillimeter displacement sensing of steel wire are tensioned at every section
Device, the other end are fixed on a groove pulley.
The multizone deformation monitoring for realizing the section can detect the specific deflection in each region on section, while
Tunnel end face settlement measuring device only can be set in some regions, reduce cost and human input according to detection needs.
In the yet another preferred form of the utility model, the submillimeter displacement sensor is type vibration wire displacement
One of meter, laser displacement sensor, rope sensor.Submillimeter displacement sensor selects submillimeter sensing with high accuracy at low cost
Device reduces cost, and wherein type vibration wire displacement meter measurement accuracy is high, is not easy affected by environment, and price is relatively cheap.Measurement accuracy
Height, measuring speed is fast, at low cost.Rope sensor measuring speed is fast, at low cost.
It further include data collector in the yet another preferred form of the utility model, the data collector
Signal input part is connected with the signal output end of type vibration wire displacement meter.
Digital displacement signal is converted analog signals by data collector, convenient for transmission and processing.
The second aspect according to the present utility model provides a kind of Section Settlement monitoring system, including is arranged in tunnel
Section Settlement measuring device on the single or multiple sections in cross-section monitoring region, the industrial personal computer positioned at cross-section monitoring region, with
And wireless networking arrangement；
The wireless networking arrangement includes wireless coordinator module, and the wireless of each section part feedback deflection is arranged in
Routing module；The wireless coordinator module output end is connect with industrial personal computer input terminal, wireless coordinator module wireless input
It is wirelessly connected respectively with each wireless routing module wireless output；The section of the wireless routing module input terminal and the section is heavy
Data collector output end connection in measuring device is dropped.
The multiple Section Settlements deformations of energy real-time monitoring, pass through industrial personal computer and receive simultaneously analysis section deformation data, automate journey
Degree is high, and wireless networking can reduce hardware investment, and it is current not influence tunnel.It is quick on the draw, measurement accuracy is high, not by tunnel bend
Equal environment influence, at low cost.
Further include remote server in the yet another preferred form of the utility model, the remote server with
Industrial personal computer communication connection.
Tunnel face deformation information is obtained, in time convenient for relevant departments to make counter-measure in advance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the utility model Section Settlement measuring device；
Fig. 2 is the structural schematic diagram of a specific embodiment of the utility model Section Settlement monitoring system；
The structural schematic diagram of one preferred embodiment further groove pulley spiral expanding mechanism of the utility model when Fig. 3.
Appended drawing reference：
1 groove pulley；2 tensioning steel wires；3 submillimeter displacement sensors；31 extension bars；32 tension springs；33 fixed links；4
Weight；5 data collectors；6 lining cutting；100 tunnel cross-section settlement measuring devices；200 wireless routing modules；300 industrial personal computers；400
Wireless coordinator module.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
Fig. 1 show the structural schematic diagram of a specific embodiment of Section Settlement measuring device, is included in tunnel cross-section
On laid extremely along the circumferential two or more groove pulleys 1 being uniformly or non-uniformly arranged of lining cutting 6, along groove pulley 1
A few tensioning steel wire 2, at least one tensioning steel wire 2 passes through all or part of groove pulley 1 and the fluted pulley of institute is equal
There is at least one tensioning steel wire 2 to pass through, in the weight 4 and submillimeter displacement sensor 3 of the setting of tensioning 2 one end of steel wire, is tensioned steel
The other end of silk 2 is fixed on a groove pulley 1；Groove pulley 1 is fixed in tunnel cross-section lining cutting 6 by pulley support.
In the present embodiment, groove pulley 1 may be arranged on the annular vault of entire tunnel cross-section, can also arrange portion
Cyclotomy arc, quantity at least two；Tensioning steel wire 2 is that individual wire or two or two or more steel wire winding are formed,
Tight steel wire 2 selects the steel wire by annealing, it is nonelastic can random bending, will not be because of natural resiliency deformation to tunnel end
Face settlement deformation survey brings error；Tensioning steel wire 2 the other end, that is, starting point could be secured to pre-set be located at tunnel
On expansion stud in road section lining cutting 6, it can weld and fix, or winding plus locking device are fixed.Preferably, it is tensioned to reduce
The frictional force of steel wire 2 and groove, can on groove coating lubricating oil.Groove pulley 1 can be U slot pulley, and V row slot also can be selected
Pulley.The weight object of arbitrary shape made of any high density material can be selected in weight 4, can be such as copper sash weight, be tensioned steel wire 2
It can be connect by welding manner with copper sash weight, can also realize connection by opening up keyhole or setting hook on copper sash weight.
In the present embodiment, the measuring principle of tunnel cross-section deformation is：Steel wire 2 is tensioned in the other end, i.e. starting point is solid
After fixed, sequentially pass through after groove in fluted pulley 1, one end, that is, end is provided with submillimeter displacement sensor 3 and weight
4, weight 4 is vacantly arranged and so that tensioning steel wire 2 is in tensioning state by self gravity, when sedimentation and deformation occurs for tunnel,
Tight steel wire 2 can generate corresponding moving displacement, and the moving displacement of 3 pairs of submillimeter displacement sensor tensioning steel wires 2 measures, can
The size of tunnel cross-section deformation of sedimentation is determined according to the amount of displacement measured.
By the sub-millimeter accuracy displacement sensor 3 (such as thread-vibration type device for sensing displacement, laser displacement sensor) of low cost
It is applied in the deformation monitoring of tunnel cross-section, tunnel deformation amount is transmitted by tensioning steel wire 2, reduces the measurement amount of monitoring sensor
Journey, to improve the precision of measurement.For example, tunnel cross-section width is typically about 5 meters, and deflection needs to issue in 10mm or so
Early warning；According to the monitoring mode of non-contact laser ranging, in existing engineering scheme, the laser ranging of long range range is passed
Sensor monitoring accuracy be 1mm, if as this programme tunnel deformation amount is transmitted to by end by wirerope after, short distance can be used
The laser range sensor of range realizes that monitoring accuracy is the monitoring accuracy of 0.07mm.
In a kind of preferred embodiment of the utility model, tensioning steel wire 2 is opened along 1 subsection setup of groove pulley, every section
Tight steel wire 2 at least crosses over two groove pulleys 1, and one end setting weight 4 and submillimeter displacement sensing of steel wire 2 are tensioned at every section
Device 3, the other end are fixed on a groove pulley 1.
In the present embodiment, two sections can be set at least to for the tensioning steel wire 2 of deformation sensitive section, and is arranged and opens
The submillimeter displacement sensor 3 and weight 4 of 2 number of segment corresponding number of tight steel wire, convenient for knowing the deformation in each region on section.
In a kind of preferred embodiment of the utility model, submillimeter displacement sensor 3 is type vibration wire displacement meter.
In the present embodiment, type vibration wire displacement meter includes extension bar 31, fixed link 33 and the connection of retractable
Extension bar 31 and the tension spring of fixed link 33 32, fixed link 33 are fixed in lining cutting 6 by screw rod；It is tensioned one end of steel wire 2
It is connect after sequentially passing through the fluted pulley 1 of institute with extension bar 31.After tensioning steel wire 2 is fixed in starting point, end is sliding across groove
It is divided into both ends after wheel 1, first end is connect with weight 4；Second end is connect with extension bar 31, and is opened under 31 pulling force effect of extension bar
Tight steel wire 2 is in tensioning state, and when sedimentation and deformation occurs for tunnel, the tensioning state of tensioning steel wire 2 changes, and is made by tension spring
It drives tensioning 2 second end of steel wire to generate moving displacement with extension bar 31, is in tensioning state again until being tensioned steel wire 2, stretches out
The moving displacement of bar 31 makes type vibration wire displacement meter output frequency change, and counter can push away tunnel by the variation size of output frequency
The size of road Section Settlement deformation.The fixation hole in fixed link 33 is passed through using two expansion bolts, type vibration wire displacement meter is consolidated
It is scheduled on 6 wall of lining cutting.
It further include data collector 5, the signal of data collector 5 in a kind of preferred embodiment of the utility model
Input terminal is connected with the signal output end of submillimeter displacement sensor 3.
In the present embodiment, data collector 5 includes high-precision adc, defeated to submillimeter displacement sensor 3
Analog signal is acquired and handles out, is converted to digital signal.
In the present embodiment, it is provided with linkage target between weight 4 and the last one groove pulley 1, incudes tunnel
It is tensioned steel wire 2 when deformation and generates moving displacement.
In a kind of preferred embodiment of the utility model, submillimeter displacement sensor 3 is rope sensor.
In the present embodiment, rope sensor can be arranged on weight 4, tensioning 2 end of steel wire and drawstring is sensed
The sensing rope of device connects.
Fig. 2 show the structural schematic diagram of a specific embodiment of section sedimentation monitoring system in the utility model, prison
Examining system includes the Section Settlement measuring device 100 being arranged on the single or multiple sections in tunnel cross-section monitoring region, is located at
The industrial personal computer 300 and wireless networking arrangement in cross-section monitoring region；
Wireless networking arrangement includes wireless coordinator module 400, and the nothing of section part feedback deflection information is arranged in
Line routing module 200；Wireless 400 output end of coordinator module is connect with 300 input terminal of industrial personal computer, wireless coordinator module 400
Wireless input is wirelessly connected with each 200 wireless output of wireless routing module respectively；200 input terminal of wireless routing module with should
5 output end of data collector connection in the tunnel cross-section settlement measuring device 100 of section.
In the present embodiment, WIFI networking mode, wireless coordinator mould can be used in the networking mode of wireless networking arrangement
Block 400 is WIFI receiving unit, is connect with industrial personal computer 300 by serial ports or SDIO interface.Wireless routing module 200 is WIFI
Transmission unit includes processor in data collector 5, and wireless routing module 200 is connect with processor serial port to be carried out data transmission.
Industrial personal computer 300 can be laid in the center in cross-section monitoring region.Wireless coordinator module 400 is arranged near industrial personal computer 300,
Wireless routing module 200 is arranged in each section part.
It further include remote server, remote server and industrial personal computer in a kind of preferred embodiment of the utility model
300 communication connections.
In the present embodiment, remote server can be selected wired or wireless communication with industrial personal computer 300 and connect, wireless communication
It connects and GSM mode can be selected, gsm communication module is set in industrial personal computer 300 and is communicated.Remote server can be cloud service
Device, is stored thereon with the deformation data of all end faces in tunnel, and relevant departments access these data by client.
Using the measuring device and monitoring system of the utility model, in a kind of preferred embodiment of the utility model,
The specific measurement method of monitoring system includes the following steps：
S1 lays at least one Section Settlement measurement dress in cross-section monitoring regional choice monitoring section on each section
It sets, tensioning steel wire is made to be in tensioning state；
Section can be uniformly distributed or be non-uniformly distributed in tunnel monitoring region, according to depending on monitoring requirements, be tensioned steel wire
It is connect after the last one groove pulley with hanging weight, tensioning steel wire is made to be in tensioning state.S2, adjustment section arch
Push up that upper groove pulley spiral expanding mechanism is in an intermediate position or the middle position of same root tensioning steel wire, record data acquisition
The tensioning steel wire moving displacement of device output；By adjusting groove pulley spiral expanding mechanism, groove distance tunnel vault can be changed
The distance in face, middle position may be selected to be the stroke central point of groove pulley spiral expanding mechanism.In a kind of preferred embodiment
In, for the structural schematic diagram of groove pulley spiral expanding mechanism as shown in figure 3, one end of which is fixed on vault, the other end is provided with spiral shell
The stud of line, and have scale and be sheathed on the micrometer sleeve of the stud end of thread, one end of micrometer sleeve opens up screw thread
Hole is threadedly coupled with stud, other end fixed groove pulley, rotates clockwise micrometer sleeve, and groove pulley rises, counterclockwise
Rotate micrometer sleeve, the decline of groove pulley.
S3 adjusts the position of groove pulley spiral expanding mechanism, so that it is based on middle position with Δ i stepping, record is every
Rise Δ i apart from when data collector output tensioning steel wire moving displacement, until rise total distance be I1；It is again step with Δ i
Into, record every decline Δ i apart from when data collector output tensioning steel wire moving displacement, until return to middle position；It repeats
Aforesaid operations n times are executed, n is positive integer；
I1Preferably the 80% of the deformation measurement range of Section Settlement measuring device is 8mm, it is preferred that Δ i is less than tunnel
The precision of road Section Settlement measuring device, preferred n are 10 times.
S4 adjusts the position of groove pulley spiral expanding mechanism, so that it is based on middle position with Δ i stepping, record is every
Decline Δ i apart from when data collector output tensioning steel wire moving displacement, until decline total distance be I2；It is again step with Δ i
Into, record every rising Δ i apart from when data collector output tensioning steel wire moving displacement, until return to middle position；It repeats
It executes aforesaid operations m times, m is positive integer；
I2Preferably the 80% of the deformation measurement range of Section Settlement measuring device is 8mm, it is preferred that Δ i is less than disconnected
The precision of face settlement measuring device, preferred m are 10 times.
S5 successively or synchronizes execution S2, S3 and the S4 at each region of each section part or each section, to n times
Measurement data and m measurement data is filtered and average value processing carries out linearization process to discrete data point, establishes each disconnected
The mapping relations of face tunnel deformation amount and tensioning steel wire mobile displacement, and mapping relations are stored in industrial personal computer；
The deformation of tunnel cross-section is simulated using rising or falling for groove pulley, each location point of groove pulley corresponds to tunnel
One deformation of road section, first rejects the gross error in displacement data, carries out the disposal of gentle filter, then to residual displacement data
The moving displacement for the tensioning steel wire that averaged is generated as the location point corresponding deformation.All location points obtain tensioning steel wire
Moving displacement after, using location point as x-axis, be tensioned steel wire moving displacement be y-axis, segmentation carry out linear normalization processing, can
It is fitted using cubic spline interpolation, obtains the bore tunnel deflection and is tensioned the mapping pass of steel wire mobile displacement
System.
S6 carries out settlement monitoring to each tunnel cross-section, and industrial personal computer receives the tensioning of the data collector output of each section part
Steel wire moving displacement obtains cross section deformation amount according to mapping relations；
If cross section deformation amount reaches preset deformation alarm threshold value, alert；Synchronized upload tunnel deformation amount is extremely
Remote server.
The gsm module that warning message can upload anomalous event to remote server or industrial personal computer by industrial personal computer is direct
Notifying messages are sent to related personnel's mobile phone, at the same can also tunnel's entrance and exit increase can the sound-light alarm of wireless communication set
It is standby, by the danger of acousto-optic warning vehicle and pedestrian tunnel, need to change its course.Can whole day monitoring, daily each section can also be set in turn
Cycle monitoring.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (6)
1. a kind of Section Settlement measuring device based on submillimeter displacement sensor, which is characterized in that including on tunnel cross-section
Along lining cutting（6）Two or more groove pulleys that circumferential direction is uniformly or non-uniformly arranged（1）, along groove pulley（1）It lays
At least one be tensioned steel wire（2）, at least one tensioning steel wire（2）Pass through all or part of groove pulley（1）And it is all
Groove pulley has at least one to be tensioned steel wire（2）Pass through, in tensioning steel wire（2）The weight of one end setting（4）With submillimeter position
Displacement sensor（3）, the tensioning steel wire（2）The other end be fixed on a groove pulley（1）On；
The groove pulley（1）Tunnel cross-section lining cutting is fixed on by pulley support（6）On.
2. the Section Settlement measuring device as described in claim 1, which is characterized in that the tensioning steel wire（2）It is sliding along groove
Wheel（1）Subsection setup, every section of tensioning steel wire（2）At least cross over two groove pulleys（1）, in every section of tensioning steel wire（2）One end
Weight is set（4）With submillimeter displacement sensor（3）, the other end is fixed on a groove pulley（1）On.
3. the Section Settlement measuring device as described in claim 1 or 2, which is characterized in that the submillimeter displacement sensing
Device（3）For one of type vibration wire displacement meter, laser displacement sensor, rope sensor.
4. the Section Settlement measuring device as described in claim 1 or 2, which is characterized in that further include data collector
（5）, the data collector（5）Signal input part and submillimeter displacement sensor（3）Signal output end be connected.
5. a kind of carry out tunnel cross-section settlement monitoring based on the Section Settlement measuring device any in claim 1-4
Monitoring system, which is characterized in that the Section Settlement on the single or multiple sections including tunnel cross-section monitoring region is arranged in is surveyed
Measure device（100）, industrial personal computer positioned at cross-section monitoring region（300）And wireless networking arrangement；
The wireless networking arrangement includes wireless coordinator module（400）, and the nothing of each section part feedback deflection is set
Line routing module（200）；The wireless coordinator module（400）Output end and industrial personal computer（300）Input terminal connection, no line coordination
Device module（400）Wireless input respectively with each wireless routing module（200）Wireless output is wirelessly connected；The wireless routing
Module（200）The tunnel cross-section settlement measuring device of input terminal and the section（100）In data collector（5）Output end connects
It connects.
6. the monitoring system as described in claim 5, which is characterized in that it further include remote server, the remote server
With industrial personal computer（300）Communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012879.5U CN208155299U (en) | 2018-01-04 | 2018-01-04 | Section Settlement measuring device and monitoring system based on submillimeter displacement sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820012879.5U CN208155299U (en) | 2018-01-04 | 2018-01-04 | Section Settlement measuring device and monitoring system based on submillimeter displacement sensor |
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| CN208155299U true CN208155299U (en) | 2018-11-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225262A (en) * | 2018-01-04 | 2018-06-29 | 重庆市勘测院 | Tunnel cross-section settlement measuring device, system and method based on submillimeter displacement sensor |
| CN112343026A (en) * | 2020-11-19 | 2021-02-09 | 山东大学 | Monitoring device and method for settlement of soft soil foundation of reinforced highway by preloading method |
-
2018
- 2018-01-04 CN CN201820012879.5U patent/CN208155299U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225262A (en) * | 2018-01-04 | 2018-06-29 | 重庆市勘测院 | Tunnel cross-section settlement measuring device, system and method based on submillimeter displacement sensor |
| CN108225262B (en) * | 2018-01-04 | 2023-11-03 | 重庆市勘测院 | Method for monitoring settlement of tunnel section based on submillimeter displacement sensor |
| CN112343026A (en) * | 2020-11-19 | 2021-02-09 | 山东大学 | Monitoring device and method for settlement of soft soil foundation of reinforced highway by preloading method |
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