CN102146648B - High-speed railway structure settlement monitoring device and monitoring method - Google Patents
High-speed railway structure settlement monitoring device and monitoring method Download PDFInfo
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- CN102146648B CN102146648B CN2011100608742A CN201110060874A CN102146648B CN 102146648 B CN102146648 B CN 102146648B CN 2011100608742 A CN2011100608742 A CN 2011100608742A CN 201110060874 A CN201110060874 A CN 201110060874A CN 102146648 B CN102146648 B CN 102146648B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000004062 sedimentation Methods 0.000 claims description 54
- 238000012937 correction Methods 0.000 claims description 12
- 238000013480 data collection Methods 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The invention discloses a high-speed railway structure settlement monitoring device and a high-speed railway structure settlement monitoring method. In the device, a seal cover is arranged on the upper part of a liquid storage device; pressure transmission liquid is filled in the lower part of the liquid storage device; the upper part of the liquid storage device is connected with a first pressure leading-in end of a pressure transmitter through an air pipe; the lower part of the liquid storage device is connected with a second pressure leading-in end of the pressure transmitter through a pressure transmission pipe; an electrical signal output end of the pressure transmitter is connected with a data acquisition and transmission system electrically; the data acquisition and transmission system is communicated with a control centre. The device has a simple structure and high precision, is convenient to operate, and can realize long-term automatic monitoring of high-speed railway structure settlement in areas with harsh environment.
Description
Technical field
The invention belongs to the Surveying Science and Technology field, particularly the settlement monitoring device and the monitoring method of high-speed railway works.
Background technology
China railways is realizing great-leap-forward development, and newly-built high speed passenger dedicated railway is in the ascendant with transformation existing railway speed-raising construction.High speed traveling requires line construction that the rail system of high ride is provided.How accurately the sedimentation and deformation of monitoring of structures thing becomes the key technical problem of high-speed railway.
Traditional sedimentation and deformation monitoring method mainly contains two big types: the one, and conventional measuring method (Geodetic surveying method and photogrammetric survey method); The 2nd, the physics sensor, method.Conventional measuring method has advantages such as measuring accuracy height, data be reliable, and the observation workload is big, efficient is low, receives climate effect big but have, and is difficult for realizing continuously and automatic monitoring, and requires shortcomings such as monitoring point and basic point communication.The physics sensor is like the sedimentation tester device, though like section sedimentometer, magnet ring sedimentometer, electrical measurement rod-type sedimentometer etc. advantages such as volume is little, the life-span is long, measuring method is easy, the collection data is reliable are arranged.But its observation workload is big, the anti-vibration ability is low, receive big and difficult the realization continuously and automatic monitoring of climate effect, on precision, also is difficult to satisfy the requirement of Line for Passenger Transportation settlement observation.And electronic level and total powerstation though can accurately test the distortion of ground building settlement, need be provided with ground reference point, and receive the weather such environmental effects very big, have a strong impact on the on-the-spot test precision.
In sum, need a kind of high precision of exploitation, affected by environment little, method of testing simple, can satisfy accurate proving installation and method at the works sedimentation and deformation.
Summary of the invention
The object of the invention just provides a kind of high-speed railway works settlement monitoring device; It can realize the robotization continuous monitoring of high-speed railway works sedimentation, and this apparatus structure is simple, cost is low, precision is high, little can under rugged surroundings, the monitoring affected by environment.
The present invention realizes that the technical scheme that its goal of the invention adopts is: a kind of high-speed railway works settlement monitoring device; It is characterized in that: gland bonnet is arranged at reservoir top; Pressure transmission liquid is equipped with in the reservoir middle and lower part; Reservoir top links to each other with the pressure leading-in end one of pressure unit through tracheae; The bottom of reservoir links to each other with the pressure leading-in end two of pressure unit through pressure tube, and the electrical signal of pressure unit is electrically connected with data collection and transfering system, data collection and transfering system and control center's communication.
Second purpose of the present invention provides a kind of method of using above-mentioned settlement monitoring device high-speed railway to be carried out settlement monitoring.
The present invention realizes that its second technical scheme that goal of the invention adopted is: a kind ofly use above-mentioned settlement monitoring device that high-speed railway is carried out the method for settlement monitoring, its step is following:
A, device are installed: described reservoir bottom is fixed on the sedimentation face to be measured with setscrew, and pressure unit is fixed on reference stake or zero sedimentation place;
B, monitoring: at first data collection and transfering system and control center read the initial electrical signal reading R of pressure unit
0In observation process, read the electric signal reading R of pressure unit continuously
i, subscript i is the sequence number of data reading times;
C, sedimentation face height calculation to be measured:
When pressure unit is linear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iFor: S
i=kR
i+ b, in the formula, k, b are respectively once the fitting coefficient of item and constant term, confirm through indoor instrumental calibration, are fitting coefficient, confirm through indoor instrumental calibration;
When pressure unit is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iThen be:
k
2, k
1, b quadratic term, once and the fitting coefficient of constant term, all through indoor instrumental calibration experiment and utilize least square method to confirm;
D, draw the sedimentation value of sedimentation face to be measured
The sedimentation value Δ h of the sedimentation face to be measured of the i time reading correspondence
i, draw by following formula:
Δh
i＝I
tiS
i-I
t0S
0
In the formula, I
TiTotal correction factor that temperature t i when being the i time reading is corresponding, I
Ti=span{I
Mti, I
Lti, I
Yti; I
Mti, I
Lti, I
YtiThe unloaded correction factor of the pairing fluid density correction factor of temperature t i when being respectively the i time reading, pipeline length correction coefficient and pressure unit, span{I
Mti, I
Lti, I
YtiBe I
Mti, I
Lti, I
YtiThe linear space of opening;
E, data processing:
Control center will store the sedimentation value Δ h of the sedimentation face to be measured that at every turn monitors
i, and the displacement time-history curves of the sedimentation face to be measured that draws after handling.
Compared with prior art, the invention has the beneficial effects as follows:
1, the principle that is directly proportional with liquid level according to liquid pressure; When pressure unit is fixed on the reference stake; The reference stake upright position immobilizes; Be fixed in reservoir on the sedimentation face to be measured then with the sedimentation sedimentation of sedimentation face, the liquid level of reservoir and the difference in height between pressure unit are also changed thereupon, the hydraulic pressures of also promptly introducing from the pressure leading-in end two of pressure unit changes.And the gas pressure intensity for sealing that the pressure leading-in end one of pressure unit is introduced remains unchanged.Pressure unit detects the variation of pressure at two ends difference, and exports the electric signal reading according to this.After this electric signal reading is proofreaied and correct through factors such as demarcation, match and temperature again, can accurately draw the sedimentation value of sedimentation face to be measured.Thereby the present invention utilizes the upright position between the reservoir of pressure unit and sealing to change dexterously, has realized the continuous automatic outdoor monitoring to sedimentation face.
2, this device is realized the settlement monitoring of railway sedimentation face through the liquid level sedimentation of airtight container; Reduce to the disturbing effect of external environment minimum; Through the rectification building-out to temperature, make sedimentation test of the present invention more accurately reliable simultaneously, its precision is up to 0.01mm.
3, the transducing part of this device only is made up of reservoir, pressure unit and connecting line, and is simple in structure, and cost of manufacture is low, safeguards easily stable and reliable operation.
4, because temperature compensation mechanism is arranged, so the present invention, then can be used for extremely frigid zones and uses when pressure transmission liquid adopts anti freezing solution applicable to the sedimentation test of high temperature difference area.Can realize the accurate test of the abominable regional sedimentation of environment.
5, testing range is adjustable, and range ability is big.Can regulate range through the initial liquid level discrepancy in elevation of installing of control, also can reach the purpose of regulating and controlling range through adjustment pressure unit parameter.
6, method of testing is simple, carry out automatically continuously, and good stability, test signal transfers to indoor control center, can realize the unmanned long-term automation remote monitoring of high-speed railway works sedimentation.
Above-mentioned pressure unit is installed in the protective cover.Further like this interference and the influence that has reduced outer bound pair test improved measuring accuracy, also improved the serviceable life of pressure unit.
Be provided with O-ring seal between above-mentioned gland bonnet and the reservoir.
Above-mentioned pressure transmission liquid surface filling silicone oil.Can reduce the evaporation of pressure transmission liquid like this, reduce the maintenance cost of device, reduce the frequency of maintenance of device.
Above-mentioned pressure transmission liquid is distilled water or anti freezing solution.Use distilled water to reduce cost when normal temperature is monitored like this, use anti freezing solution then can monitor at extremely frigid zones.
Below in conjunction with accompanying drawing and embodiment, the present invention is done further detailed description.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Embodiment
Fig. 1 illustrates; A kind of embodiment of the present invention does; A kind of high-speed railway works settlement monitoring device, it is characterized in that: gland bonnet 5 is arranged at reservoir 9 tops, and pressure transmission liquid 8 is equipped with in reservoir 9 middle and lower parts; Reservoir 9 tops link to each other with the pressure leading-in end one of pressure unit 4 through tracheae 2; The bottom of reservoir 9 links to each other with the pressure leading-in end two of pressure unit 4 through pressure tube 3, and the electrical signal of pressure unit 4 is electrically connected with data collection and transfering system 15, data collection and transfering system 15 and control center's 16 communications.
Communicating by letter between data acquisition system (DAS) and control center can be adopted wired, also can adopt wireless mode to carry out.As can adopt ripe GPRS communication to carry out.
This routine pressure unit 4 is installed in the protective cover 11.Be provided with O-ring seal 6 between gland bonnet 5 and the reservoir 9.
These routine pressure transmission liquid 8 surface filling silicone oil 7.Pressure transmission liquid 8 is distilled water or anti freezing solution.
A kind ofly use above-mentioned settlement monitoring device that high-speed railway is carried out the method for settlement monitoring, its step is following:
A, device are installed: described reservoir 9 bottoms are fixed on the sedimentation face 18 to be measured with setscrew, and pressure unit is fixed on reference stake 17 or zero sedimentation place;
B, monitoring: at first data collection and transfering system 15 and control center read the initial electrical signal reading R of pressure unit 4
0In observation process, read the electric signal reading R of pressure unit 4 continuously
i, subscript i is the sequence number of data reading times;
C, sedimentation face height calculation to be measured:
When pressure unit is linear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iFor: S
i=kR
i+ b, in the formula, k, b are respectively once the fitting coefficient of item and constant term, confirm through indoor instrumental calibration, are fitting coefficient, confirm through indoor instrumental calibration;
When pressure unit is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iThen be:
k
2, k
1, b quadratic term, once and the fitting coefficient of constant term, all through indoor instrumental calibration experiment and utilize least square method to confirm;
D, draw the sedimentation value of sedimentation face to be measured
The sedimentation value Δ h of the sedimentation face to be measured of the i time reading correspondence
i, draw by following formula:
Δh
i＝I
tiS
i-I
t0S
0
In the formula, I
TiTotal correction factor that temperature t i when being the i time reading is corresponding, I
Ti=span{I
Mti, I
Lti, I
Yti; I
Mti, I
Lti, I
YtiThe unloaded correction factor of the pairing fluid density correction factor of temperature t i when being respectively the i time reading, pipeline length correction coefficient and pressure unit, span{I
Mti, I
Lti, I
YtiBe I
Mti, I
Lti, I
YtiThe linear space of opening;
E, data processing:
Control center will store the sedimentation value Δ h of the sedimentation face to be measured that at every turn monitors
i, and the displacement time-history curves of the sedimentation face to be measured that draws after handling, i.e. settlement-time curve.
The present invention for ectocines such as better minimizing temperature, can imbed pressure tube 3 in the soil when implementing.
The pressure unit 4 that the present invention uses can adopt various existing pressure units.As can select SE133 type pressure unit for use; This transmitter principle of work is: utilize semi-conductive piezoresistive effect and micromachining technology, on the particular crystal orientation of monocrystalline silicon piece, manufacture a Wheatstone bridge with the semiconductor technology of diffusion; Form sensitive diaphragm; Do the time spent and produce microstrain when receiving external force, resistivity changes, and makes arm resistance (big a pair of the diminishing of a pair of change) the driving voltage signal output that changes; Through technologies such as processing means such as computer temperature compensation, laser resistor trimming, signal amplification and strict assembling detection, demarcation, produce and have standard output signals.
When implementing, all do water-proofing treatment for all joints, in order to realize long term monitoring, outside of deivce need be done anti-corrosion treatment.
Claims (6)
1. high-speed railway works settlement monitoring device, it is characterized in that: gland bonnet (5) is arranged at reservoir (9) top, and pressure transmission liquid (8) is equipped with in reservoir (9) middle and lower part; Reservoir (9) top links to each other with the pressure leading-in end one of pressure unit (4) through tracheae (2), and the bottom of reservoir (9) links to each other with the pressure leading-in end two of pressure unit (4) through pressure tube (3); The electrical signal of pressure unit (4) is electrically connected with data collection and transfering system (15), data collection and transfering system (15) and control center (16) communication.
2. a kind of high-speed railway works settlement monitoring device as claimed in claim 1, it is characterized in that: described pressure unit (4) is installed in the protective cover (11).
3. a kind of high-speed railway works settlement monitoring device as claimed in claim 1 is characterized in that: be provided with O-ring seal (6) between described gland bonnet (5) and the reservoir (9).
4. a kind of high-speed railway works settlement monitoring device as claimed in claim 1 is characterized in that: described pressure transmission liquid (8) surface filling silicone oil (7).
5. a kind of high-speed railway works settlement monitoring device as claimed in claim 1, it is characterized in that: described pressure transmission liquid (8) is distilled water or anti freezing solution.
6. one kind is used the described high-speed railway works of claim 1 settlement monitoring device that the high-speed railway works is carried out the method for settlement monitoring, and its step is following:
A, device are installed: described reservoir (9) bottom is fixed on the sedimentation face to be measured (18) with setscrew, and pressure unit is fixed on reference stake (17) or zero sedimentation place;
B, monitoring: at first data collection and transfering system (15) and control center read the initial electrical signal reading R of pressure unit (4)
0In observation process, read the electric signal reading R of pressure unit (4) continuously
i, subscript i is the sequence number of data reading times;
C, sedimentation face height calculation to be measured:
When pressure unit is linear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iFor: S
i=kR
i+ b, in the formula, k, b are respectively once the fitting coefficient of item and constant term, confirm through indoor instrumental calibration;
When pressure unit is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence
iThen be:
k
2, k
1, b quadratic term, once and the fitting coefficient of constant term, all through indoor instrumental calibration experiment and utilize least square method to confirm;
D, draw the sedimentation value of sedimentation face to be measured:
The sedimentation value Δ h of the sedimentation face to be measured of the i time reading correspondence
i, draw by following formula:
Δh
i＝I
tiS
i-I
t0S
0，
In the formula, I
TiTotal correction factor that temperature t i when being the i time reading is corresponding, I
Ti=span{I
Mti, I
Lti, I
Yti; I
Mti, I
Lti, I
YtiThe unloaded correction factor of the pairing fluid density correction factor of temperature t i when being respectively the i time reading, pipeline length correction coefficient and pressure unit, span{I
Mti, I
Lti, I
YtiBe I
Mti, I
Lti, I
YtiThe linear space of opening;
E, data processing:
Control center will store the sedimentation value Δ h of the sedimentation face to be measured that at every turn monitors
i, and the displacement time-history curves of the sedimentation face to be measured that draws after handling.
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| CN2011100608742A CN102146648B (en) | 2011-03-14 | 2011-03-14 | High-speed railway structure settlement monitoring device and monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100608742A CN102146648B (en) | 2011-03-14 | 2011-03-14 | High-speed railway structure settlement monitoring device and monitoring method |
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| Publication Number | Publication Date |
|---|---|
| CN102146648A CN102146648A (en) | 2011-08-10 |
| CN102146648B true CN102146648B (en) | 2012-11-21 |
Family
ID=44421104
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| CN2011100608742A Expired - Fee Related CN102146648B (en) | 2011-03-14 | 2011-03-14 | High-speed railway structure settlement monitoring device and monitoring method |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102506809B (en) * | 2011-11-23 | 2013-10-30 | 中铁第一勘察设计院集团有限公司 | Structural deformation observation and data processing method at operation and maintenance stage of high-speed train |
| CN102944221B (en) * | 2012-12-04 | 2015-03-04 | 天津市市政工程设计研究院 | System for automatically monitoring vertical displacement of operation track |
| CN103306173B (en) * | 2013-07-09 | 2015-04-08 | 铁道第三勘察设计院集团有限公司 | Novel high-speed railway structure settlement monitoring method |
| CA2933145C (en) * | 2014-01-30 | 2022-08-30 | Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M.B.H. | Method for loading a railway vehicle and railway vehicle |
| CN103968804B (en) * | 2014-04-29 | 2016-01-20 | 大连理工大学 | High ferro large span ground micron sedimentation low-coherent light Hygienic monitoring on hands of childhood system and method |
| CN104111031B (en) * | 2014-07-22 | 2016-07-06 | 中国电建集团北京勘测设计研究院有限公司 | Protection of goal device and monitoring system and method are sighted in areal deformation optical measurement |
| CN104613934B (en) * | 2015-01-21 | 2017-02-22 | 北京航空航天大学 | Remote and real-time ground surface settlement monitoring system based on connected vessel principle |
| CN105735370B (en) * | 2016-03-02 | 2017-11-14 | 中国铁路设计集团有限公司 | Foundation settlement Deformation Prediction method based on Rayleigh waves |
| CN108444441A (en) * | 2018-02-05 | 2018-08-24 | 浙江广川工程咨询有限公司 | A kind of earth and rockfill dam inside settlement monitoring device and method |
| CN110285833B (en) * | 2019-07-08 | 2023-11-10 | 中铁第一勘察设计院集团有限公司 | Indoor multi-working-condition high-precision calibrating device for settlement monitor of structure under high-speed railway |
| CN110616602B (en) * | 2019-09-17 | 2021-09-28 | 西安建筑科技大学 | Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway |
| CN111101412B (en) * | 2019-12-31 | 2022-05-13 | 中铁十九局集团第二工程有限公司 | Method for monitoring settlement and displacement of railway business line |
| CN111487304B (en) * | 2020-04-13 | 2021-12-17 | 欧阳彬 | Apparatus and method for monitoring gas concentration and sensor |
| CN112629491B (en) * | 2021-01-21 | 2022-10-25 | 中铁上海设计院集团有限公司 | Calculation method for railway monitoring elevation fluctuation considering temperature error |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4167876A (en) * | 1978-01-05 | 1979-09-18 | Soil Instruments Limited | Methods and apparatus for determination of terrestrial settlement profiles |
| DE10203231C1 (en) * | 2002-01-21 | 2003-09-11 | Bam Bundesanstalt Matforschung | Hydrostatic hose balance has connected containers, each with float(s) partly immersed in liquid with force sensor(s) that interacts with float only within defined range of relative level state |
| CN101078220B (en) * | 2007-06-19 | 2010-09-01 | 中国科学院武汉岩土力学研究所 | Soft soil roadbed settlement monitoring method and device |
| CN101899845B (en) * | 2010-04-07 | 2012-11-07 | 西南交通大学 | High-speed railway settlement monitoring technology |
| CN201972063U (en) * | 2011-03-14 | 2011-09-14 | 西南交通大学 | Equipment for monitoring sedimentation of rapid transit railway works |
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