CN105865387A - No-cable roadbed vertical displacement testing method and vertical displacement early warning system for - Google Patents
No-cable roadbed vertical displacement testing method and vertical displacement early warning system for Download PDFInfo
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- CN105865387A CN105865387A CN201510031308.7A CN201510031308A CN105865387A CN 105865387 A CN105865387 A CN 105865387A CN 201510031308 A CN201510031308 A CN 201510031308A CN 105865387 A CN105865387 A CN 105865387A
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Abstract
The invention discloses a no-cable roadbed vertical displacement testing method and a vertical displacement early warning system capable of independently working for a long time. The method comprises steps: multiple vertical deformation wireless perception sensors are arranged horizontally along the longitudinal intervals of the roadbed, preferably, the vertical deformation wireless perception sensors are low in power consumption, supply power by themselves, are in wireless communication with a monitoring base station, do not need a power supply and communication cables, are small in size and low in cost, are simple and convenient to install, do not need the additional protection after being installed, can realize the long-term and independent work for at least five years, and can thoroughly solve the problem that the cables of a conventional monitoring system are easy to damage; when uneven subsidence or uplift happens to the roadbed, according to a vertical change amount and a corresponding interval acquired by each vertical deformation wireless perception sensor, through continuously and segmentally calculating the vertical displacement amount, the segmental maximal vertical displacement amount is obtained, the segmental maximal vertical displacement amount is compared with a specified allowable vertical displacement amount, and early warning is carried out. The method and the system of the invention can monitor vertical uneven deformation conditions such as roadbed subsidence and uplift of a railway and a road and carry out early warning.
Description
Technical field
The present invention relates to the vertical inhomogeneous deformation prison such as railway engineering, the subgrade settlement of highway engineering, protuberance
Survey, particularly relate to a kind of roadbed vertical displacement method of testing that without cable, can work alone for a long time and vertically
Displacement early warning system, is particularly well-suited to the monitoring of high-speed railway subgrade.
Background technology
Settlement of subgrade or protuberance are one of modal diseases in High Speed Rail Projects, and roadbed is not
Uniform settlement or protuberance directly affect the operation safety of bullet train, decide the peace of bullet train passenger
Danger.Technology for high-speed railway subgrade monitoring also focuses primarily upon construction period for ensureing that roadbed is executed at present
The settlement monitoring that working medium amount is carried out, and for affect train traffic safety the subgrade settlement longitudinal along circuit,
The deformation such as frost heave also lacks effective monitoring method.Meanwhile, most of monitoring instrument precision are relatively low, environment
Adapt to ability, automaticity is low, operability is not strong, and the most artificial monitoring on duty,
This not only can cause error because of the operation of monitoring personnel, also its personal safety is caused bigger threat, though
So currently also just like tunnel real-time monitoring systems such as automatization's total powerstation dynamic monitoring systems, but these monitorings
System is the most expensive for instrument or monitoring, instrument or cable fragile, be difficult to a large amount of in engineering reality
Popularization and application.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of easy, rapidly and efficiently, automaticity high
The roadbed vertical displacement method of testing without cable and vertical displacement early warning system.
For solving above-mentioned technical problem, present invention firstly provides a kind of without cable, can work alone for a long time
Roadbed vertical displacement method of testing, including step:
Along the longitudinally spaced horizontally disposed multiple vertical deformation wireless aware sensors of roadbed；
When roadbed generation differential settlement or protuberance, obtain according to each vertical deformation wireless aware sensor
Vertical variable quantity and corresponding interval；Calculate vertical displacement amount by segmentation continuously, obtain section maximum
Vertical displacement amount, compared with the permission vertical displacement amount of regulation, carries out early warning.
Preferably, sensor self-powered the working alone of described vertical deformation wireless aware realizes each vertical change
Without cable between shape wireless aware sensor and between vertical deformation wireless aware sensor and monitoring base station
Install.
Preferably, described vertical deformation wireless aware sensor includes producing inclination data analogue signal
Low-power consumption inclination angle sensing chip, in order to described inclination data analogue signal to be converted into the letter of digital signal
Number modular converter, in order to the processor that described digital signal is processed, in order to by described digital signal
It is transferred to the data transmission module in the external world, and in order to the battery powered；Described low-power consumption inclination angle sensing core
Sheet connects described processor by described signal conversion module, and described data transmission module connects described process
Device；Described processor includes processor body and clock unit, and described clock unit is by described battery last
Power supply, described clock unit controls described battery and is alternately turned on and off inclining to described to set time interval
Angle sensing chip, signal conversion module, processor body and the supply of electric power of data transmission module.
Preferably, described roadbed is high-speed railway subgrade, and roadbed is provided with bedplate and track plates；Described
Vertical deformation wireless aware transducer arrangements bedplate internal in described roadbed, described base internal, described
Internal or the described track plates sidewall of plate sidewall, described track plates.
Preferably, described vertical deformation wireless aware sensor is cuboid structure, is directly mounted at described
On roadbed, described bedplate or described track plates.
Preferably, described method includes: providing at least one monitoring base station, each monitoring base station is along described roadbed
Longitudinally spaced layout, to obtain each vertical deformation wireless aware sensor in this monitoring base station coverage
The data recorded；Wireless telecommunications between described vertical deformation wireless aware sensor and described monitoring base station.
Preferably, described method includes: provide a background server, and described monitoring base station wireless telecommunications,
The vertical variable quantity obtained according to described each vertical deformation wireless aware sensor and corresponding interval, by even
The segmentation of continuous ground calculates vertical displacement amount, obtains section maximum vertical displacement amount, and vertical with what regulation allowed
Displacement compares.
Preferably, described method includes: provide a prior-warning device, communicates with described background server,
When meeting early-warning conditions, background server controls prior-warning device and carries out early warning.
The present invention also provides for a kind of without cable, the roadbed vertical displacement early warning system that can work alone for a long time,
Fill including multiple vertical deformation wireless aware sensors, at least one monitoring base station, background server and early warning
Put；Multiple vertical deformation wireless aware sensors are longitudinally spaced horizontally disposed along roadbed；Monitoring base station passes through
Each vertical deformation wireless aware sensor that wireless communication mode obtains in this monitoring base station coverage records
Data, and outwards transmit；Background server and described monitoring base station wireless telecommunications, in order to receive monitoring
Base station transmission data and by segmentation continuously calculating vertical displacement measure section maximum vertical displacement
Amount, and judge whether to early warning compared with the vertical displacement amount that regulation allows；Prior-warning device is with described
Background server communication, when meeting early-warning conditions, is carried out early warning by background server control.
Preferably, described vertical deformation wireless aware is sensor self-powered to work alone, with realize each vertically
Between deformation wireless aware sensor and between vertical deformation wireless aware sensor and described monitoring base station
Install without cable.
Compared with prior art, there is advantages that the present invention is according to along between roadbed longitudinal direction
Every the perception to vertical variable quantity of the horizontally disposed multiple vertical deformation wireless aware sensors, and by even
The segmentation of continuous ground calculates vertical displacement amount, and obtains section maximum vertical displacement amount, and can not meet in data
Carrying out early warning during regulation permissible value, monitoring is easy, rapidly and efficiently；Vertical deformation wireless aware sensor can
Automatically monitor differential settlement or the protuberance of roadbed, it is not necessary to artificially get involved measurement, there is not artificial measurement and make
The personal error become, data are reliable, and precision is high, and data can realize real time remote wireless transmission, automatization
Degree is high；The present invention can monitor in real time railway, highway especially high-speed railway subgrade differential settlement or
Protuberance situation.
Further, vertical deformation wireless aware sensor is the unit that works alone of self-powered low power consumption,
Can realize between vertical deformation wireless aware sensor and vertical deformation wireless aware sensor with monitoring base
Installing without cable between standing, cheap, simple installation, it is not required to Additional Protection after installation, can realize
The long-term work of at least five years, solves the flimsy difficult problem of cable.
Accompanying drawing explanation
Fig. 1 is the present invention structured flowchart without the roadbed vertical displacement early warning system embodiment of cable.
Fig. 2 is that the present invention is without the wireless sense of vertical deformation in the roadbed vertical displacement early warning system embodiment of cable
Know the structured flowchart of sensor.
Fig. 3 is that the present invention multiple vertical deformation wireless aware sensor arrangement is in high-speed railway subgrade bedplate
Schematic diagram.
Fig. 4 is structural representation during high-speed railway subgrade sedimentation.
Fig. 5 is the Computing Principle schematic diagram of the maximum allowable settling amount of high-speed railway subgrade.
Wherein, description of reference numerals is as follows: 1, vertical deformation wireless aware sensor；11, low-power consumption is inclined
Angle sensing chip；12, signal conversion module；13, processor；14, data transmission module；15, electricity
Pond；2, monitoring base station；21, battery module；22, control module；23, communication module；3, backstage
Server；4, prior-warning device；5, high-speed railway subgrade；51, settling zone；6, bedplate；7、
Filling bed；8, track plates.
Detailed description of the invention
In order to further illustrate principle and the structure of the present invention, in conjunction with accompanying drawing, the present invention is preferable to carry out
Example is described in detail.
The present invention provides a kind of roadbed vertical displacement method of testing without cable and vertical displacement early warning system,
This early warning system may be used to implement this method of testing.The present invention is applicable to the roadbed such as railway, highway and vertically becomes
The test that morpheme is moved, vertical deformation includes sedimentation, protuberance etc..Present invention is particularly suitable for high-speed railway road
The test of base vertical deformation displacement.
Referring initially to Fig. 1, first introduce present invention roadbed vertical displacement early warning system one embodiment without cable
Structure.
This early warning system mainly includes monitoring base station 2, multiple vertical deformation wireless aware sensor 1, backstage
Server 3 and prior-warning device 4.Monitoring base station 2 and vertical deformation wireless aware sensor 1 wireless telecommunications,
Footprint size according to monitoring base station 2 and the quantity of vertical deformation wireless aware sensor 1, monitoring
Base station 2 may be configured as one or more.Background server 3 and monitoring base station 2 wireless telecommunications, early warning fills
Put 4 with background server 3 communication.
Vertical deformation wireless aware sensor 1 self-powered works alone so that each vertical deformation wireless aware
It is to pacify without cable between sensor 1 and between vertical deformation wireless aware sensor 1 and monitoring base station 2
Dress, is not required to power supply and communication cable, keeps away between vertical deformation wireless aware sensor 1 and monitoring base station 2
Exempt from the flimsy difficult problem of cable in conventional art.Vertical deformation wireless aware sensor 1 is single independent
Unit, simple installation, it is not required to Additional Protection after installation, cheap.
Specifically, refering to Fig. 2, vertical deformation wireless aware sensor 1 includes producing inclination data
The low-power consumption inclination angle sensing chip 11 of analogue signal, in order to the inclination angle by low-power consumption inclination angle sensing chip 11
Data analog signal is converted into the signal conversion module 12 of digital signal, in order to process digital signal
Processor 13, in order to give extraneous data transmission module 14 by treated digital data transmission, and
In order to the battery 15 powered；Low-power consumption inclination angle sensing chip 11 is processed by signal conversion module 12 connection
Device 13, data transmission module 14 connects processor 13；Processor 13 includes processor body (in figure not
Illustrate) and clock unit (not shown), clock unit is by battery 15 continued power, clock unit
Control battery 15 and be alternately turned on and off low-power consumption inclination angle sensing chip 11, letter to set time interval
Number modular converter 12, processor body and the supply of electric power of data transmission module 14.Vertical deformation is wireless
Detecting sensor 1 is low in energy consumption, and the battery of himself can achieve long-term work outside, working life
Up to more than 5 years.
Monitoring base station 2 generally comprises battery module 21, in order to enter with vertical deformation wireless aware sensor 1
Row data transmission control module 22 and in order to inclining the vertical deformation received wireless aware sensor 1
The communication module 23 that angular data is outwards transmitted, control module 22 connecting communication module 23.Battery module 21
With thinking monitoring base station 2 power supply itself.Communication module 23 is wireless communication module, such as GPRS module
Deng, transmit by vertical deformation wireless aware sensor 1 to background server 3 by the way of being wirelessly transferred
The inclination data sended over.Each vertical deformation wireless aware in its coverage is passed by monitoring base station 2
The inclination data of sensor 1 is collected, and unification is forwarded to background server 3.
Background server 3 is data processing centre, according at the inclination data that monitoring base station 2 is passed back
Reason obtains roadbed vertical inhomogeneous deformation situation, specifically can calculate vertical displacement amount by segmentation continuously,
Obtain section maximum vertical displacement amount, and compared with the vertical displacement amount that regulation allows, to judge whether
Need to carry out early warning.
Prior-warning device 4 can be siren, and it carries out early warning according to the control of background server 3, when meeting
During early-warning conditions, when i.e. section maximum vertical displacement amount has exceeded the permission vertical displacement amount specified, early warning
Device 4 carries out early warning.
Refering to Fig. 3, the early warning system of the present invention when roadbed is tested, make multiple vertical deformation without
Line detecting sensor 1 is longitudinally spaced horizontally disposed along roadbed.As a example by high-speed railway subgrade 5, high-speed iron
Be cascading above road roadbed 5 bedplate 6, filling bed 7 and track plates 8.Vertical deformation is wireless
It is internal that detecting sensor 1 may be mounted at high-speed railway subgrade 5, or bedplate 6 is internal, bedplate 6
Sidewall, track plates 8 are internal, track plates 8 sidewall.In structure illustrated in Figure 3, vertical deformation is wireless
Detecting sensor 1 is i.e. arranged on bedplate 6 sidewall.Wherein, vertical deformation wireless aware sensor 1 is
Cuboid structure, it is directly mounted in roadbed, bedplate or track plates structure, simple installation.Vertically
Interval between deformation wireless aware sensor 1 is decided according to the actual requirements.
According to the thought of the present invention, roadbed vertical displacement method of testing mainly includes step:
S10: along the longitudinally spaced horizontally disposed multiple vertical deformation wireless aware sensors of roadbed；Vertical change
Interval between shape wireless aware sensor is decided according to the actual requirements.
S20: when roadbed generation differential settlement or protuberance, sense according to each vertical deformation wireless aware
Vertical variable quantity and correspondence that device obtains are spaced；Calculate vertical displacement amount by segmentation continuously, obtain district
Section maximum vertical displacement amount, compared with the permission vertical displacement amount of regulation, carries out early warning.
Refering to Fig. 4, introduce the calculating process of high-speed railway subgrade vertical displacement amount in detail below.With Fig. 4
View direction be reference, by order from left to right, there is the wireless sense of each vertical deformation that angle tilts
Know that sensor 1 respective change of pitch angle amount is respectively △ θ1、△θ2、△θ3With △ θ4, each vertical change
The interval of shape wireless aware sensor 1 and adjacent vertical deformation wireless aware sensor 1 is respectively L1、L2、
L3、L4.High-speed railway subgrade 5 sedimentation variable quantity △ d everywherei(i=1,2,3,4 ...) according to
Lower formula calculates:
△d1=L1×sin△θ1；
△d2=L2×sin△θ2；
△d3=L3×sin△θ3；
△d4=L4×sin△θ4。
The like, according to the change of pitch angle amount △ θ of vertical deformation wireless aware sensor 1i(i=1,2,
3,4 ...) and and the interval L of adjacent vertical deformation wireless aware sensor 1i(i=1,2,3,4 ...)
I.e. sectional is calculated the vertical displacement amount of this segmentation, by continuously each segmentation being calculated, and can
Obtain section maximum vertical displacement amount.
Selected one maintain static reference point after, the n-th measuring point is relative to maintaining static the vertical of reference point
Displacement is each segmentation vertical displacement amount sum, and its calculation is: △ S=L1×sin△θ1+L2×
sin△θ2+L3×sin△θ3+····+Ln×sin△θn。
After obtaining roadbed section maximum vertical displacement amount in a manner described, carry out early warning, this early warning further
Method is particularly as follows: according to related specifications requirement, the relative vertical deformation calculated between roadbed diverse location is
No beyond specification permissible value, if exceeding, then early warning, whether exceed according to relative vertical deformation speed simultaneously
Setting value, if exceeding, then early warning.
According to Design of High-speed Railway code requirement, high-speed railway subgrade settlement after construction is no more than 15mm；
More uniform and the eligible R of settling ratiosh≥0.4Vsj 2Time, it is allowed to settlement after construction is 30mm, RshIt is heavy
Radius at fall.Work as VsjDuring for 350Km/h, Rsh≥49000m.Refering to Fig. 5, with RshFor 49000m
Calculate, horizontal range L on circumference and between 2 that minimum point difference in height d is 30mm0For
76.68m, it may be assumed that if settling ratio is more uniform, as long as subgrade settlement is less than 30mm in the range of every 38.34m,
Just meet code requirement.
Assume the base of every 20m length as a monitoring means, as long as high ferro goes up arbitrary continuation two along the line
Individual monitoring means meets Δ=Δ i+ Δ j ＜ 30mm relative to the displacement variable sum of initial monitor value
(i=1,2,3 ..., n；J=i+1), in i.e. every 40m length range, subgrade settlement is less than 30mm,
Meet the subgrade settlement requirement less than 30mm in the range of at least every 38.34m, the most i.e. think high ferro
It is safe.
But during by being calculated requirement that section maximum vertical displacement amount exceedes this specification, i.e. carry out early warning.
Wherein, the work being processed acquisition vertical displacement amount by data can be completed by background server,
Early warning is then carried out by prior-warning device, and prior-warning device is by background server control.Sense that each vertical deformation is wireless
Know that the inclination data of sensor can be obtained by monitoring base station.Each vertical deformation wireless aware sensor leads to
Crossing wireless communication transmission mode and transmit inclination data to monitoring base station, monitoring base station is then by the side of being wirelessly transferred
Formula carries out data transmission with background server.
The present invention is according to along the longitudinally spaced horizontally disposed multiple vertical deformation wireless aware sensors pair of roadbed
The perception of vertical variable quantity, and calculate vertical displacement amount by segmentation continuously, and obtain section maximum and erect
To displacement, and can carry out early warning when data permissible value against regulation, monitoring is easy, rapidly and efficiently；
Vertical deformation wireless aware sensor can monitor differential settlement or the protuberance of roadbed automatically, it is not necessary to is artificially situated between
Entering to measure, do not exist and artificially measure the personal error caused, data are reliable, and precision is high, and data can realize
Real time remote wireless transmits, and automaticity is high；It is the highest that the present invention can monitor railway, highway in real time
The differential settlement of speed railway bed or protuberance situation.
Further, vertical deformation wireless aware sensor is the unit that works alone of self-powered low power consumption,
Realize between vertical deformation wireless aware sensor and vertical deformation wireless aware sensor and monitoring base station
Between without cable install, cheap, simple installation, be not required to Additional Protection after installation, can realize to
The long-term work of few 5 years, solves the flimsy difficult problem of cable.
These are only the preferable possible embodiments of the present invention, not limit the scope of the invention, all fortune
Change with the equivalent structure done by description of the invention and accompanying drawing content, be all contained in the protection of the present invention
In the range of.
Claims (10)
1. one kind without cable, the roadbed vertical displacement method of testing that can work alone for a long time, it is characterised in that include step:
Along the longitudinally spaced horizontally disposed multiple vertical deformation wireless aware sensors of roadbed；
When roadbed generation differential settlement or protuberance, the vertical variable quantity obtained according to each vertical deformation wireless aware sensor and corresponding interval；Calculate vertical displacement amount by segmentation continuously, obtain section maximum vertical displacement amount, compared with the permission vertical displacement amount of regulation, carry out early warning.
Roadbed vertical displacement method of testing without cable the most according to claim 1, it is characterised in that: sensor self-powered the working alone of described vertical deformation wireless aware realizes installing without cable between each vertical deformation wireless aware sensor and between vertical deformation wireless aware sensor and monitoring base station.
Roadbed vertical displacement method of testing without cable the most according to claim 2, it is characterized in that: described vertical deformation wireless aware sensor include producing inclination data analogue signal low-power consumption inclination angle sensing chip, in order to described inclination data analogue signal is converted into digital signal signal conversion module, in order to the processor that described digital signal is processed, in order to by described digital data transmission to extraneous data transmission module, and in order to the battery powered；Described low-power consumption inclination angle sensing chip connects described processor by described signal conversion module, and described data transmission module connects described processor；Described processor includes processor body and clock unit, described clock unit is powered by described battery last, and described clock unit controls described battery and is alternately turned on and off described inclination angle sensing chip, signal conversion module, processor body and the supply of electric power of data transmission module to set time interval.
Roadbed vertical displacement method of testing without cable the most according to claim 1, it is characterised in that: described roadbed is high-speed railway subgrade, and roadbed is provided with bedplate and track plates；Internal or the described track plates sidewall of described vertical deformation wireless aware transducer arrangements bedplate internal in described roadbed, described bedplate sidewall internal, described, described track plates.
Roadbed vertical displacement method of testing without cable the most according to claim 4, it is characterised in that: described vertical deformation wireless aware sensor is cuboid structure, is directly mounted on described roadbed, described bedplate or described track plates.
Roadbed vertical displacement method of testing without cable the most according to claim 1, it is characterized in that: at least one monitoring base station is provided, each monitoring base station is along the longitudinally spaced layout of described roadbed, to obtain the data that each vertical deformation wireless aware sensor in this monitoring base station coverage records；Wireless telecommunications between described vertical deformation wireless aware sensor and described monitoring base station.
Roadbed vertical displacement method of testing without cable the most according to claim 6, it is characterized in that: a background server is provided, with described monitoring base station wireless telecommunications, the vertical variable quantity obtained according to described each vertical deformation wireless aware sensor and corresponding interval, vertical displacement amount is calculated by segmentation continuously, obtain section maximum vertical displacement amount, and compared with the vertical displacement amount that regulation allows.
Roadbed vertical displacement method of testing without cable the most according to claim 7, it is characterised in that: providing a prior-warning device, communicate with described background server, when meeting early-warning conditions, background server controls prior-warning device and carries out early warning.
9. one kind without cable, the roadbed vertical displacement early warning system that can work alone for a long time, it is characterised in that including:
Multiple vertical deformation wireless aware sensors, longitudinally spaced horizontally disposed along roadbed；
At least one monitoring base station, the data that each vertical deformation wireless aware sensor that monitoring base station is obtained in this monitoring base station coverage by wireless communication mode records, and outwards transmit；
Background server, with described monitoring base station wireless telecommunications, in order to receive the data of monitoring base station transmission and to measure section maximum vertical displacement amount by the calculating vertical displacement of segmentation continuously, and judges whether to early warning compared with the vertical displacement amount that regulation allows；
Prior-warning device, with described background server communication, when meeting early-warning conditions, is carried out early warning by background server control.
Roadbed vertical displacement early warning system without cable the most according to claim 9, it is characterized in that: described vertical deformation wireless aware is sensor self-powered to work alone, to realize installing without cable between each vertical deformation wireless aware sensor and between vertical deformation wireless aware sensor and described monitoring base station.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014206968558 | 2014-11-19 | ||
| CN2014106637136 | 2014-11-19 | ||
| CN201420696855 | 2014-11-19 | ||
| CN201410663713 | 2014-11-19 |
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| CN105865387A true CN105865387A (en) | 2016-08-17 |
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| CN201520043176.5U Expired - Fee Related CN204346400U (en) | 2014-11-19 | 2015-01-21 | Without the roadbed vertical displacement early warning system of cable |
| CN201510031308.7A Pending CN105865387A (en) | 2014-11-19 | 2015-01-21 | No-cable roadbed vertical displacement testing method and vertical displacement early warning system for |
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| CN201520043176.5U Expired - Fee Related CN204346400U (en) | 2014-11-19 | 2015-01-21 | Without the roadbed vertical displacement early warning system of cable |
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| CN109425286A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using sliding rheostat range measurement principle |
| CN109425289A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using inclination angle range measurement principle |
| CN109425299A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using raster pattern displacement range measurement principle |
| CN109425868A (en) * | 2017-09-02 | 2019-03-05 | 湖南北斗星空自动化科技有限公司 | A method of track plank split is monitored automatically using laser displacement range measurement principle |
| CN108053629A (en) * | 2017-11-18 | 2018-05-18 | 中国铁路设计集团有限公司 | A kind of III plate-type non-fragment orbits of CRTS sedimentation automatic monitoring device and monitoring method |
| CN109297398A (en) * | 2018-11-14 | 2019-02-01 | 中国铁路沈阳局集团有限公司科学技术研究所 | A kind of monitoring of railway bed frost heave and analysis system based on Beidou location technology |
| CN110631547A (en) * | 2019-09-26 | 2019-12-31 | 成都理工大学 | Roadbed monitoring and early warning system based on Internet of things |
| CN110631547B (en) * | 2019-09-26 | 2021-08-31 | 成都理工大学 | Roadbed monitoring and early warning system based on Internet of things |
| CN110779457B (en) * | 2019-12-03 | 2024-05-10 | 中铁科学技术开发有限公司 | Track slab deformation monitoring device and method and online monitoring system |
| CN110779457A (en) * | 2019-12-03 | 2020-02-11 | 中铁科学技术开发有限公司 | Track slab deformation monitoring device and method and online monitoring system |
| CN110949452A (en) * | 2020-02-24 | 2020-04-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Dynamic verification system and detection method for high-speed railway roadbed |
| CN114228779B (en) * | 2021-12-28 | 2022-07-08 | 中国铁道科学研究院集团有限公司 | Track alignment monitoring system and method based on wireless sensing |
| CN114228779A (en) * | 2021-12-28 | 2022-03-25 | 中国铁道科学研究院集团有限公司 | Track alignment monitoring system and method based on wireless sensing |
| CN114855741A (en) * | 2022-04-18 | 2022-08-05 | 中南大学 | Intelligent monitoring method for long-term deformation of railway and station yard roadbed space on complex accumulation body |
| CN114855741B (en) * | 2022-04-18 | 2022-12-30 | 中南大学 | Intelligent monitoring method for long-term deformation of railway and station yard subgrade space on complex accumulation body |
| CN114775575A (en) * | 2022-05-12 | 2022-07-22 | 湖北工业大学 | Local frost heaving displacement sensing temperature control structure and preparation method thereof |
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