CN102146648A - High-speed railway structure settlement monitoring device and monitoring method - Google Patents

High-speed railway structure settlement monitoring device and monitoring method Download PDF

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Publication number
CN102146648A
CN102146648A CN 201110060874 CN201110060874A CN102146648A CN 102146648 A CN102146648 A CN 102146648A CN 201110060874 CN201110060874 CN 201110060874 CN 201110060874 A CN201110060874 A CN 201110060874A CN 102146648 A CN102146648 A CN 102146648A
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sedimentation
pressure transmitter
pressure
measured
speed railway
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CN102146648B (en
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苏谦
张文超
白皓
黄俊杰
廖超
赵伟
王武斌
宋苗苗
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Southwest Jiaotong University
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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

A kind of high-speed railway works settlement monitoring device and monitoring method
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 and the speed-raising of transformation existing railway are built in the ascendant.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 classes: 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 certainty of measurement height, data be reliable, and the observation workload is big, efficient is low, is subjected to climatic 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 as the sedimentation tester device, though as section settlement gauge, magnet ring settlement gauge, electrical measurement rod-type settlement gauge 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, be subjected to big and difficult the realization continuously and automatic monitoring of climatic effect, also is difficult to satisfy the requirement of Line for Passenger Transportation settlement observation on precision.And electronic level and total powerstation though can accurately test the distortion of ground building settlement, need be provided with ground reference point, and be subjected to 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 accuracy of exploitation, affected by environment little, method of testing simple, can satisfy accurate testing arrangement and method at the works sedimentation and deformation.
Summary of the invention
Purpose of the present invention just provides a kind of high-speed railway works settlement monitoring device, it can realize the automation continuous monitoring of high-speed railway works sedimentation, and this apparatus structure is simple, cost is low, precision is high, little can the monitoring under adverse circumstances 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: seal cover 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 transmitter by tracheae, the bottom of reservoir links to each other with the pressure leading-in end two of pressure transmitter by pressure tube, the electrical signal of pressure transmitter is electrically connected with data collection and transfering system, data collection and transfering system and control centre'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 as follows:
A, device are installed: described reservoir bottom is fixed on the sedimentation face to be measured with setscrew, and pressure transmitter is fixed on reference pegs or zero sedimentation place;
B, monitoring: at first data collection and transfering system and control centre read the initial electrical signal reading R of pressure transmitter 0In observation process, read the signal of telecommunication reading R of pressure transmitter continuously i, subscript i is the sequence number of data read number of times;
The calculating of C, sedimentation face height to be measured:
When pressure transmitter 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, determine by indoor instrumental calibration, are fitting coefficient, determine by indoor instrumental calibration;
When pressure transmitter is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence iThen be:
Figure BDA0000050138190000021
k 2, k 1, b quadratic term, once and the fitting coefficient of constant term, all by indoor instrumental calibration experiment and utilize least square method to determine;
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 of the temperature t i correspondence when being the i time reading, 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 transmitter, span{I Mti, I Lti, I YtiBe I Mti, I Lti, I YtiThe linear space of opening;
E, data are handled:
Control centre 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 transmitter is fixed on the reference pegs, the reference pegs 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 transmitter are also changed thereupon, and also the hydraulic pressures of promptly introducing from the pressure leading-in end two of pressure transmitter changes.And the gas pressure intensity for sealing that the pressure leading-in end one of pressure transmitter is introduced remains unchanged.Pressure transmitter detects the variation of pressure at two ends difference, and exports signal of telecommunication reading according to this.After this signal of telecommunication 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 transmitter 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 by the liquid level sedimentation of airtight container, reduce to the interference effect of external environment minimum, by 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 of reservoir, pressure transmitter and connecting line, and is simple in structure, and cost of manufacture is low, safeguards easily stable and reliable operation.
4, because temperature-compensating mechanism is arranged, so the present invention, then can be used for extremely frigid zones and uses when pressure transmission liquid adopts anti-icing fluid 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 by the initial liquid level discrepancy in elevation of installing of control, also can be by adjusting the purpose that the pressure transmitter parameter reaches the control and regulation range.
6, method of testing is simple, carry out automatically continuously, and good stability, test signal transfers to indoor control centre, can realize the unmanned long-term automation remote monitoring of high-speed railway works sedimentation.
Above-mentioned pressure transmitter 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 application life of pressure transmitter.
Be provided with sealing ring between above-mentioned seal cover 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-icing fluid.Use distilled water to reduce cost when normal temperature is monitored like this, use anti-icing fluid then can monitor at extremely frigid zones.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The specific embodiment
Fig. 1 illustrates, a kind of specific embodiment of the present invention is, a kind of high-speed railway works settlement monitoring device, it is characterized in that: seal cover 5 is arranged at reservoir 9 tops, 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 transmitter 4 by tracheae 2, the bottom of reservoir 9 links to each other with the pressure leading-in end two of pressure transmitter 4 by pressure tube 3, the electrical signal of pressure transmitter 4 is electrically connected with data collection and transfering system 15, data collection and transfering system 15 and control centre's 16 communications.
Communicating by letter between data collecting system and control centre can be adopted wired, also can adopt wireless mode to carry out.As adopting ripe GPRS communication to carry out.
This routine pressure transmitter 4 is installed in the protective cover 11.Be provided with sealing ring 6 between seal cover 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-icing fluid.
A kind ofly use above-mentioned settlement monitoring device that high-speed railway is carried out the method for settlement monitoring, its step is as follows:
A, device are installed: described reservoir 9 bottoms are fixed on the sedimentation face 18 to be measured with setscrew, and pressure transmitter is fixed on reference pegs 17 or zero sedimentation place;
B, monitoring: at first data collection and transfering system 15 and control centre read the initial electrical signal reading R of pressure transmitter 4 0In observation process, read the signal of telecommunication reading R of pressure transmitter 4 continuously i, subscript i is the sequence number of data read number of times;
The calculating of C, sedimentation face height to be measured:
When pressure transmitter 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, determine by indoor instrumental calibration, are fitting coefficient, determine by indoor instrumental calibration;
When pressure transmitter is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence iThen be:
Figure BDA0000050138190000041
k 2, k 1, b quadratic term, once and the fitting coefficient of constant term, all by indoor instrumental calibration experiment and utilize least square method to determine;
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 of the temperature t i correspondence when being the i time reading, 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 transmitter, span{I Mti, I Lti, I YtiBe I Mti, I Lti, I YtiThe linear space of opening;
E, data are handled:
Control centre 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 transmitter 4 that the present invention uses can adopt various existing pressure transmitters.As selecting SE133 type pressure transmitter for use, this transmitter operating principle is: utilize semi-conductive piezoresistive effect and micromachining technology, on the particular crystal orientation of monocrystalline silicon piece, semiconductor technology with diffusion is manufactured a Wheatstone bridge, form sensitive diaphragm, do time spent generation microstrain when being subjected to external force, resistivity changes, make arm resistance (a pair of change big a pair of diminishing) driving voltage signal output that changes, through the computer temperature compensation, laser resistor trimming, processing means and strict assembling detections such as signal amplification, technologies such as demarcation are produced and are had standard output signals.
When implementing, all do waterproofing work 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: seal cover (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 transmitter (4) by tracheae (2), and the bottom of reservoir (9) links to each other with the pressure leading-in end two of pressure transmitter (4) by pressure tube (3); The electrical signal of pressure transmitter (4) is electrically connected with data collection and transfering system (15), data collection and transfering system (15) by with control centre (16) communication.
2. a kind of high-speed railway settlement monitoring device as claimed in claim 1, it is characterized in that: described pressure transmitter (4) is installed in the protective cover (11).
3. a kind of high-speed railway settlement monitoring device as claimed in claim 1 is characterized in that: be provided with sealing ring (6) between described seal cover (5) and the reservoir (9).
4. a kind of high-speed railway 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 settlement monitoring device as claimed in claim 1 is characterized in that: described pressure transmission liquid (8) is distilled water or anti-icing fluid.
6. one kind is used the described settlement monitoring device of claim 1 that high-speed railway is carried out the method for settlement monitoring, and its step is as follows:
A, device are installed: described reservoir (9) bottom is fixed on the sedimentation face to be measured (18) with setscrew, and pressure transmitter is fixed on reference pegs (17) or zero sedimentation place;
B, monitoring: at first data collection and transfering system (15) and control centre read the initial electrical signal reading R of pressure transmitter (4) 0In observation process, read the signal of telecommunication reading R of pressure transmitter (4) continuously i, subscript i is the sequence number of data read number of times;
The calculating of C, sedimentation face height to be measured:
When pressure transmitter 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, determine by indoor instrumental calibration, are fitting coefficient, determine by indoor instrumental calibration;
When pressure transmitter is nonlinear transducer, the height value S of the sedimentation face to be measured of the i time reading correspondence iThen be:
Figure FDA0000050138180000011
k 2, k 1, b quadratic term, once and the fitting coefficient of constant term, all by indoor instrumental calibration experiment and utilize least square method to determine.
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 of the temperature t i correspondence when being the i time reading, 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 transmitter, span{I Mti, I Lti, I YtiBe I Mti, I Lti, I YtiThe linear space of opening;
E, data are handled:
Control centre 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.
CN2011100608742A 2011-03-14 2011-03-14 High-speed railway structure settlement monitoring device and monitoring method Expired - Fee Related CN102146648B (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506809A (en) * 2011-11-23 2012-06-20 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
CN102944221A (en) * 2012-12-04 2013-02-27 天津市市政工程设计研究院 System for automatically monitoring vertical displacement of operation track
CN103306173A (en) * 2013-07-09 2013-09-18 铁道第三勘察设计院集团有限公司 Novel high-speed railway structure settlement monitoring method
CN103968804A (en) * 2014-04-29 2014-08-06 大连理工大学 Low coherence optical monitoring system and method for micron settlement of long-span foundation of high speed railway
CN104111031A (en) * 2014-07-22 2014-10-22 中国电建集团北京勘测设计研究院有限公司 Surface deformation optical measurement sighting target protecting device and monitoring system and method
CN104613934A (en) * 2015-01-21 2015-05-13 北京航空航天大学 Remote and real-time ground surface settlement monitoring system based on connected vessel principle
CN105735370A (en) * 2016-03-02 2016-07-06 铁道第三勘察设计院集团有限公司 Foundation settlement deformation prediction method based on Rayleigh waves
CN105940158A (en) * 2014-01-30 2016-09-14 普拉塞-陶伊尔铁路机械出口股份有限公司 Method for loading a railway vehicle and railway vehicle
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
CN110285833A (en) * 2019-07-08 2019-09-27 中铁第一勘察设计院集团有限公司 Multi-state high-precision calibration device in high iron wire flowering structure object settlement monitor room
CN110616602A (en) * 2019-09-17 2019-12-27 西安建筑科技大学 Sedimentation control device and method for construction of pipe jacking and downward passing existing operation railway
CN111101412A (en) * 2019-12-31 2020-05-05 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
CN111487304A (en) * 2020-04-13 2020-08-04 欧阳彬 Apparatus and method for monitoring gas concentration and sensor
CN112629491A (en) * 2021-01-21 2021-04-09 中铁上海设计院集团有限公司 Calculation method for monitoring elevation fluctuation of iron-involved vehicle in consideration of temperature error

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CN101899845A (en) * 2010-04-07 2010-12-01 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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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
CN101078220A (en) * 2007-06-19 2007-11-28 中国科学院武汉岩土力学研究所 Soft soil roadbed settlement monitoring method and device
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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506809A (en) * 2011-11-23 2012-06-20 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
CN102944221A (en) * 2012-12-04 2013-02-27 天津市市政工程设计研究院 System for automatically monitoring vertical displacement of operation track
CN103306173A (en) * 2013-07-09 2013-09-18 铁道第三勘察设计院集团有限公司 Novel high-speed railway structure settlement monitoring method
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
CN105940158A (en) * 2014-01-30 2016-09-14 普拉塞-陶伊尔铁路机械出口股份有限公司 Method for loading a railway vehicle and railway vehicle
CN103968804A (en) * 2014-04-29 2014-08-06 大连理工大学 Low coherence optical monitoring system and method for micron settlement of long-span foundation of high speed railway
CN104111031A (en) * 2014-07-22 2014-10-22 中国电建集团北京勘测设计研究院有限公司 Surface deformation optical measurement sighting target protecting device and monitoring 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
CN104613934A (en) * 2015-01-21 2015-05-13 北京航空航天大学 Remote and real-time ground surface settlement monitoring system based on connected vessel principle
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
CN105735370A (en) * 2016-03-02 2016-07-06 铁道第三勘察设计院集团有限公司 Foundation settlement deformation prediction method based on Rayleigh waves
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
CN110285833A (en) * 2019-07-08 2019-09-27 中铁第一勘察设计院集团有限公司 Multi-state high-precision calibration device in high iron wire flowering structure object settlement monitor room
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
CN110616602A (en) * 2019-09-17 2019-12-27 西安建筑科技大学 Sedimentation control device and method for construction of pipe jacking and downward passing existing operation 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
CN111101412A (en) * 2019-12-31 2020-05-05 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
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
CN111487304A (en) * 2020-04-13 2020-08-04 欧阳彬 Apparatus and method for monitoring gas concentration and sensor
CN111487304B (en) * 2020-04-13 2021-12-17 欧阳彬 Apparatus and method for monitoring gas concentration and sensor
CN112629491A (en) * 2021-01-21 2021-04-09 中铁上海设计院集团有限公司 Calculation method for monitoring elevation fluctuation of iron-involved vehicle in consideration of temperature error

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