CN106089213B - Shield tunnel simultaneous grouting slurry measured performance parameter system and method - Google Patents
Shield tunnel simultaneous grouting slurry measured performance parameter system and method Download PDFInfo
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- CN106089213B CN106089213B CN201610297033.6A CN201610297033A CN106089213B CN 106089213 B CN106089213 B CN 106089213B CN 201610297033 A CN201610297033 A CN 201610297033A CN 106089213 B CN106089213 B CN 106089213B
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- 238000010276 construction Methods 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000013523 data management Methods 0.000 claims abstract description 12
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- 238000013480 data collection Methods 0.000 claims description 8
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A kind of construction site shield tunnel simultaneous grouting slurry measured performance parameter system, its field data acquiring terminal are used for integrated data acquisition module, data communication module, data process＆analysis module and data management and the release module for being connected with each other and communicating；Further include remote server；The information such as liquid level, density, granular information, fluidity, denseness and injection intensity by measuring slurries, and then utilize Internet communication technology, at preset timed intervals and mode transmits the data result after calibration processing and analysis from trend remote server, and has the function of that data database storing, Mobile SMS notify designated person etc.；Control can be also monitored to collection in worksite computer at the same time, easy to exclude collection in worksite computer glitch in time.The present invention realizes the remote automation measure of construction site shield tunnel simultaneous grouting slurry performance parameter, improves size performance parametric measurement efficiency and accuracy, greatly facilitates management and control of the construction personnel to size performance.
Description
Technical field
The invention belongs to tunnels and underground engineering field, is related to shield-tunneling construction scene simultaneous grouting slurry measured performance parameter
Technology.
Background technology
Urban rail transit in China construction scale is big at present, shield method because its security it is good, it is applied widely, build every year
Into shield method running tunnel more than 100 kilometers.During shield-tunneling construction, after shield tail departs from section of jurisdiction, in the base of original gap of the shield tail
On plinth, the section of jurisdiction back side adds the new gap that shield shell is pushed ahead and produced again.If backfilling the gap not in time, it is bound to cause
Stratum deformation, and then damaging influence is produced to structure in neighbouring ground.Basic slope such as building cracks, each in ground
Breach or fracture occur for kind pipeline, and earth's surface collapses, interruption of communication etc..Surface settlement control mainly leads to caused by Shield Construction Method Used
Cross control support pressure and synchronous grouting system is achieved.Shield synchronization slip casting is by with appropriate morning in shield-tunneling construction
The slurry material of phase intensity and final strength, the section of jurisdiction back of the body is inserted by the grouting pressure and grouting amount of setting while shield driving
In portion's gap of the shield tail, its effect has：(1) stratum is filled as early as possible, reduces subsidence amount, ensures the safety of surrounding environment；(2) really
The early stage stability of keeping sheet built and the density in gap；(3) the first line of defence as lining waterproof, there is provided long-term, equal
The water-proof function of matter, stabilization；(4) enhancement layer as tunnel lining structure, makes it have durability and certain intensity.It is synchronous
Slip casting is generally based on single liquid cement plasmoid humor injection shield tail gap, and single liquid cement plasmoid humor is based on cement, and addition is certain
The additives of amount, the slurries adjusted with water.Since the slurries initial set of injection needs the long period, and shield is always to being pushed forward
Into, the tunnel segment structure there are certain length is in not solidified slurries all the time, when section of jurisdiction departs from shield tail, if synchronous grouting
Slurries cannot reach pre-hardening and certain early strength, and tunnel is enclosed in the slurries of grouting behind shaft or drift lining, will produce than water, mud
The buoyancy of bigger, makes section of jurisdiction stress float, and causes shaping tunnel faulting of slab ends, breakage and percolating water occur, seriously affects construction quality.
It must is fulfilled for for control ground settlement, duct piece float upward and the purpose easy to smooth construction, grouting at the tail of the shield machine slurries
A series of physical Property requirements, construction site must carry out stringent management and control to shield synchronous grouting serous fluid with when performance.In order to
Scientifically and rationally instruct site operation, the indexs of quantitative determinations of generally use a series of evaluates grouting serous fluid, construction site one
As laboratory to scene slurries sample be measured, or laboratory configure with proportioning slurries directly measure performance ginseng
Number, determination of indicator parameters are mainly including the density of slurries, denseness, fluidity, presetting period etc..Laboratory is generally thick using mortar
The denseness of instrument measure slurries is spent, using the setting time of mortar coagulation time tester measure slurries, slurries are measured using jumping table
Fluidity etc..Obviously there are operating process is cumbersome, heavy workload, minute are long, measurement for traditional laboratory determination method
The measure of drawback, the especially setting times such as artificial accidental error is big, measurement inaccuracy, the Vicat needle continued to use always enter method, survey
Fix time length, manual operation error is big.Thus it is badly in need of seeking a set of scientific and reasonable, convenient and practical size performance parametric measurement side
Method, quickly obtains accurate size performance parameter in time, is imitated to establish shield synchronous grouting serous fluid performance parameter with construction
The relation of fruit, so as to scientifically and rationally instruct site operation.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of fast and easy, accurate practical shield tunnel
Road simultaneous grouting slurry measured performance parameter system and method, it is possible to achieve shield tunnel construction scene automatically determines synchronous grouting
The function of the indexs such as density, granular information, fluidity, denseness and the intensity of slurries, so as to improve size performance parametric measurement
Efficiency and accuracy, greatly facilitate the optimal synchronous grouting slurry of management and control and definite shield-tunneling construction of the construction personnel to size performance
Liquid matches.
To reach above-mentioned purpose, the technical solution adopted by the present invention is as follows：
A kind of shield tunnel simultaneous grouting slurry measured performance parameter system, includes：Field data acquiring terminal 21, its
For the integrated data acquisition module A for being connected with each other and communicating, data communication module B, data process＆analysis module C with
And data management and release module D, realize each main modular function of size performance parameter testing；Remote server 22, it is used for
Receive collection in worksite terminal 21 and survey data, it is handled, analyzed and is stored, and and on-site data gathering containing remote control
Terminal 21, monitors the whether normal function of its working status；Field data acquiring terminal 21 is with remote server 22 by wireless
Internet connection communication.
Preferably, the system for field data collection station 21 includes putting down based on industrial package and the NI-PXI being electromagnetically shielded
Platform 11, collection in worksite computer 13 and liquid sensor and measurement device 12 etc..
Preferably, the NI-PXI platforms 11 include the controller, PXI cabinets, PXI-6221 data acquisitions being connected with each other
Card 1, regulated power supply, wireless internet network etc..
Preferably, the controller in the NI-PXI platforms 11 selects NI PXI-ExpressCard8360 boards, can make
With the transparent connection control PXI/CompactPCI systems of test collection in worksite computer 13.
Preferably, the PXI cabinets in the NI-PXI platforms 11 use NI PXIe-1071, containing 3 mixing slots, NI
Each slot of PXIe-1071 receives PXI Express modules or the trunk mixed modules of compatible standard PXI, per slot
The up to system bandwidth of the dedicated bandwidth of 1GB/s and 3GB/s.
Preferably, the PXI-6221 data collecting cards 1 in the NI-PXI platforms 11 have 16,16 tunnel A/D converter,
250kS/s sample rates, 16,2 tunnel D/A converter, two universal counters and 24 digital channels.
Preferably, the liquid sensor and measurement device 12 include laser particle analyzer 2, serum density sensor 3, liquid level
5 determining instrument of sensor 4, temperature sensor 6 and emf method etc..
Preferably, the size performance parametric measurement content includes：Serum density is mainly using BHDM series high accuracy
Electronic fluid density measurement sensor, slurries granular information mainly use laser particle analyzer 2, the fluidities of slurries, denseness and
Injection intensity is measured using emf method 5, and injection intensity is used to determine the slurries presetting period, slurries electromotive force in emf method 5
Measured using highly sensitive microvolt step voltage table, liquid level and temperature sensor select the common liquid sensor that is easy to get.
Preferably, the laser particle analyzer 2 is communicated by RS232 serial ports with NI-PXI platforms 11, serum density sensing
Device 3 is communicated by RS485 serial ports with NI-PXI platforms 11, the microvolt in liquid level sensor 4, temperature sensor 6 and emf method 5
The sensors such as step voltage table and determining instrument all use the transmitter of standard current signal, in access PXI-6221 data collecting cards
Voltage is converted electrical current into precision resistance before 1 analog input channel, and is isolated and is filtered.
A kind of test method of shield tunnel simultaneous grouting slurry measured performance parameter system includes the following steps：Step
S1, Commissioning field data collection station 21 and its between remote server 22 communication network connectedness；Step S2, it is described existing
Field data acquisition terminal 22 carries out the work of size performance parametric measurement；Step S3, the field data acquiring terminal 21 is to step
S2 test the data obtaineds are handled and analyzed；Step S4, the field data acquiring terminal 21 will processing obtained by step S3 and
Analysis result sends remote server 22 and related technical personnel to.
Preferably, the step S1 is specifically included at the construction field (site), arranges instrument and collection in worksite computer simultaneously just
After step is tried successfully, every sampling parameter of collection in worksite computer is set, and sets the data receiver of real-time data transmission
The IP address of side-remote server 22 and the mailbox that the required sender of data and receiver are transmitted by mail；If
After the completion of fixed, working status inspection is carried out, manual simulation's pumping signal, data acquisition module normal work, checks collection in worksite
The functions such as computer each channel data collection, generating date, database purchase and data publication, check remote server
Whether 22 data real-time receptions, mail reception various functions are normal.
Preferably, the step S2 is specifically included under the support of data communication module D, and slurries prepared by mixing plant flow into
Slurries terminal, when liquid level of slurry reaches preset height, liquid level sensor 4 receives signal, triggers slurries terminal field data
The data acquisition module A life's works of acquisition terminal 21, open slurry pool preset valves, and slurries separately flow into density, granularity letter
Breath and measuring device of electromotive force；Microvolt electricity in temperature sensor 6, density sensor 3, laser particle analyzer 2 and emf method 5
Table sensor is pressed by the signal collected input NI-PXI platforms 11.
Preferably, the specific implementation of the fluidity of the measure of emf method 5 simultaneous grouting slurry, denseness and injection intensity
Step is using electrochemical principle, and a pair of of lead-copper electrode and cement grout are formed primary battery, using described highly sensitive micro-
Volt step voltage table measurement electromotive force is simultaneously recorded., it is necessary to be measured in use for laboratory traditional instrument and method before general measure
Fluidity, denseness and the injection intensity of slurries, while electrochemically measure electromotive force, and make slurries fluidity,
Denseness, injection intensity and electromotive force mapping table, so using the fluidity of experimental determination, denseness, injection intensity and
Electromotive force mapping table demarcates the field measurement electromotive force data obtained using electrochemical method, utilizes the electricity measured
Kinetic potential tables look-up to obtain the parameters such as the corresponding fluidity of surveyed slurries, denseness and injection intensity, unified so as to fulfill multiple parameters
Reflected with actual measurement electrochemistry amount, convenient scene grind slurries quality observing and controlling and management.
The present invention discloses a kind of shield tunnel simultaneous grouting slurry measured performance parameter system and method, in slurries terminal
After arranging apparatus and debugging successfully, the data that field data acquiring terminal 21 collects data acquisition module A carry out
Calibration processing and analysis, and the measurement result for representing actual physical meaning is exported, data management then utilizes data with release module C
The internet and present mobile communication technology of communication module D, at preset timed intervals and mode sends number from trend remote server 22
According to, and realize that data test results web page real-time display, Mobile SMS notify the functions such as designated person, and it is based on database skill
Art stores measured data；Remote server 22 can be monitored control to collection in worksite computer 13 at the same time, easy to exclude in time
13 failure of collection in worksite computer, it is achieved thereby that carrying out nobody to the performance parameter of shield synchronous grouting serous fluid at the construction field (site)
The long-range performance for automatically determining in real time, accurately and effectively reflecting the actual slurries in scene on duty.
Due to the adoption of the above technical scheme, the invention has the advantages that：
(1) shield tunnel simultaneous grouting slurry measured performance parameter system of the present invention, based on electronic sensor and modern net
The network communication technology realizes construction site shield tunnel simultaneous grouting slurry performance parameter remote auto data determination, makes technology people
Member eliminates the numerous and diverse operating process in laboratory, convenient in real time can obtain size performance supplemental characteristic without on duty, and survey
Data can also be handled in time and secure storage, convenient to carry out management and control to grind slurries quality.
(2) practice of construction scene slurries may constantly adjusted with when performance according to construction effect, experimental determination
The workload of slurries parameter is very big.The present invention is automatically determined based on sensor technology, is obtained size performance parameter in real time, is greatly carried
High work efficiency, it also avoid the accidental error that manual operation is brought, data determination result eliminates artificial evaluation criteria, makes
Measurement result is more accurate objective.Corresponded using gained slurries parameter with construction effect, facilitate site administrator
Find preferably grouting serous fluid proportioning, comprehensive, objective, accurate slurries parameter data and be also beneficial to the accumulation of site operation experience
With exchange.
(3) present invention realizes slurries parametric measurement systemic-function self-definition design, test is measured high efficient and flexible, convenient
The hardware device independent assortment thrown aside, realizes the continuous utilization that has of resource, and test device has the scalability of height, i.e. system only
Configuration need to be extended to hardware device, software program need to only do minor modifications and systemic-function can be achieved even without change
Expand with it is perfect, efficiently utilize hardware resource.
(4) function of the present invention is not just for simultaneous grouting slurry performance test, in addition in some other fluid mixture
Production preparation and transportational process, its in real time automatic monitoring function also benefit it is much.
Brief description of the drawings
Fig. 1 is shield tunnel simultaneous grouting slurry measured performance parameter system function module schematic diagram of the present invention.
Fig. 2 is present system composition schematic diagram.
Fig. 3 is the method for the present invention flow diagram.
Embodiment
The present invention will be further described with reference to the accompanying drawings.
A kind of shield tunnel simultaneous grouting slurry measured performance parameter system of the present invention, including field data acquiring terminal 21
And remote server 22, field data acquiring terminal 21 are communicated with remote server 22 by wireless internet connection.Live number
It is used for the integrated data acquisition module A for being connected with each other and communicating, data communication module B, data processing according to acquisition terminal 21
With analysis module C and data management and release module D, each main modular function of size performance parameter testing is realized；Long-range clothes
Business device 22 surveys data for receiving collection in worksite terminal 21, it is handled, analyzed and is stored, and and shows containing remote control
Field data acquisition terminal 21, monitors the whether normal function of its working status.
Field data acquiring terminal 21 is mainly by NI-PXI platforms 11, collection in worksite computer 13 and liquid sensor and survey
Determine the grade of device 12 composition.NI-PXI is that a kind of measurement and automation towards instrument system PCI extensions based on PC is ripe commercial
Platform, easy to measure test system, therefore the system hardware framework of the field data acquiring terminal 1 to quick development moduleization
It is based primarily upon NI-PXI platforms 11, including the controller of interconnection, PXI cabinets, PXI-6221 data collecting cards 1, voltage stabilizing electricity
Source, wireless internet network etc..
Present slurry measured performance parameter content mainly includes：The measure of serum density uses BHDM series high precision electros
Subflow volume density determination sensor, the analysis of slurries granular information use laser particle analyzer 2, the fluidities of slurries, denseness and pass through
Enter intensity etc. to measure using emf method 5, wherein injection intensity can also be used to determine in the slurries presetting period, to starch in emf method 5
Liquid electromotive force is measured using highly sensitive microvolt step voltage table, and liquid level and temperature select the common liquid sensor that is easy to get.
Emf method 5 measures the specific implementation step of the fluidity of simultaneous grouting slurry, denseness and injection intensity to utilize
Electrochemical principle, forms primary battery by a pair of of lead-copper electrode and cement grout, utilizes the highly sensitive microvolt step voltage table
Measurement electromotive force is simultaneously recorded., it is necessary to measure the flowing of slurries in use for laboratory traditional instrument and method before general measure
Degree, denseness and injection intensity, while electrochemically measure electromotive force, and it is strong to make the fluidities of slurries, denseness, injection
Degree and electromotive force mapping table, and then closed using being corresponded in the fluidity of experimental determination, denseness, injection intensity and electromotive force
It is that table demarcates the field measurement electromotive force data obtained using electrochemical method, tables look-up to obtain using the electromotive force measured
The parameters such as surveyed slurries corresponding fluidity, denseness and injection intensity, so as to fulfill the unified actual measurement electrochemistry of multiple parameters
Measure to reflect, convenient scene grind slurries quality observing and controlling and management.
Present invention is primarily based on stringent industrial package and electromagnetic shielding NI-PXI platforms 11 and the modern network communication technology,
Realize construction site shield tunnel simultaneous grouting slurry performance parameter remote auto measure, mainly comprising data acquisition module A,
Data communication module B, data process＆analysis module C and the function module such as data management and release module D, wherein data are adopted
Collect modules A and utilize the liquid level of slurries in electronic sensor collection slurries terminal, temperature, density, granular information, fluidity, thick
The information such as degree and injection intensity；Data process＆analysis module B carrys out data to data acquisition module B transmission and is handled with being divided
Analysis；Data management and release module C receive the data from data process＆analysis module B, shown, issued, being stored or
Output operation；And data communication module D then realize data acquisition module, data process＆analysis module B and data management with
Between release module C and system communication.
On the basis of above-mentioned live size performance parametric measurement system, the present invention also provides system for field assay method,
This method mainly includes the following steps：
Step S1, Commissioning field data collection station 11 and its between remote server 12 communication network connectedness；
Its particular content includes the sampling parameter of setting collection in worksite computer 13, and set the data receiver of real-time data transmission-
The IP address of remote server 23 and the mailbox that the required sender of data and receiver are transmitted by mail；Set
Cheng Hou, carries out working status and network connectivty inspection, manual simulation's pumping signal, data acquisition module A normal works, check
The functions such as collection in worksite computer 13 each channel data collection, generating date, database purchase and data publication, at the same time
Check whether the functions such as 22 data real-time reception of remote server, mail reception are normal.
Step S2, the field data acquiring terminal 21 carry out the work of size performance parametric measurement；Its particular content includes
After slurries prepared by mixing plant flow into slurries terminal, when liquid level of slurry reaches preset height, liquid level sensor 4 receives signal,
The data acquisition module A life's works of slurries terminal field data acquiring terminal 21 are triggered, open slurry pool preset valves, slurry
Liquid separately flows into density, granular information and measuring device of electromotive force and then returns to test data to NI-PXI platforms 11；Temperature
The signal that microvolt voltage table sensor in sensor 6, density sensor 3, laser particle analyzer 2 and emf method 5 will collect
Also NI-PXI platforms 11 are inputted.
Step S3, the field data acquiring terminal 21 are handled and analyzed to step S2 test the data obtaineds；It has
Holding in vivo includes：The step S2 digital signals collected are demarcated and reduced by data process＆analysis module C, final defeated
Go out to represent the measurement result of actual physical meaning.
Step S4, the field data acquiring terminal 21 send processing and analysis result obtained by step S3 to remote service
Device 22 and related technical personnel.Its particular content includes the modern net that data management utilizes data communication module B with release module D
Network and the communication technology realize the data exchange between field data acquiring terminal 21 and remote server 22 and related technical personnel,
Field data acquiring terminal 21 is at preset timed intervals and mode sends data from trend remote server 22, and transmission mode includes
Two kinds of Datasocket real-time Transmissions and Email.System can also realize data database storing, data test results web page
Real-time display, Mobile SMS notify the functions such as designated person, while remote server 22 can be to field data acquiring terminal 21
Collection in worksite computer 13 be monitored control, easy to exclude the job failure of collection in worksite computer 13 in time, so that real
Showed the performance parameter of shield synchronous grouting serous fluid is carried out at the construction field (site) it is long-range it is unattended automatically determine, accurately have in real time
The performance of the actual slurries in effect ground reflection scene.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art disclose according to the present invention, and not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (13)
- A kind of 1. shield tunnel simultaneous grouting slurry measured performance parameter system, it is characterised in that including：Field data acquiring terminal (21), it is used for the integrated data acquisition module (A) for being connected with each other and communicating, data are led to Believe module (B), data process＆analysis module (C) and data management and release module (D)；Remote server (22), it, which is used to receiving collection in worksite terminal (21), surveys data, it is handled, analyzed and is deposited Storage, and simultaneous field data acquiring terminal containing remote control (21), monitor the whether normal function of its working status；The data acquisition module (A) gathers the liquid of slurries in slurries terminal using liquid sensor and measurement device (12) Position, density, viscosity, granular information, fluidity, denseness and presetting period information；The data process＆analysis module (B) surveys data to data acquisition module (A) and is handled and analyzed；The data management receives the data from data process＆analysis module (B) with release module (C), is shown, sent out Cloth, storage or output operation；The data communication module (D) is used for data acquisition module (A), data process＆analysis module (B) and data management Between release module (C) and system communication.
- 2. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 1, it is characterised in that：Fluidity, denseness and the injection intensity of slurries are measured using emf method (5), and the injection intensity of emf method measure is used In the definite slurries presetting period.
- 3. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 1, it is characterised in that：It is described System for field data collection station (21) includes the NI-PXI platforms (11) based on industrial package and electromagnetic shielding, collection in worksite meter Calculation machine (13) and liquid sensor and measurement device (12).
- 4. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 3, it is characterised in that：It is described Liquid sensor and measurement device (12) include slurries granular information measurement device (2), serum density sensor (3), liquid level Sensor (4), temperature sensor (6) and emf method (5) determining instrument.
- 5. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 4, it is characterised in that：It is described Slurries granular information measurement device use laser particle analyzer, the serum density sensor (3) is high-precision using BHDM series Electronic fluid density measurement sensor is spent, the emf method (5) determining instrument uses microvolt step voltage table.
- 6. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 5, it is characterised in that：It is described Laser particle analyzer (2) communicated by RS232 serial ports with NI-PXI platforms (11), the density sensor (3) passes through RS485 Serial ports communicates with NI-PXI platforms (11), the biography in the liquid level sensor (4), temperature sensor (6) and emf method (5) Sensor and determining instrument all use the transmitter of standard current signal, in access data collecting card PXI-6221 data collecting cards (1) voltage is converted electrical current into precision resistance before analog input channel, and is isolated and is filtered.
- 7. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 3, it is characterised in that：It is described NI-PXI platforms (11) include be connected with each other controller, PXI cabinets, PXI-6221 data collecting cards (1), regulated power supply, The network equipment.
- 8. shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 7, it is characterised in that：It is described NI-PXI platforms (11) in controller select NI PXI-ExpressCard8360 boards, use test collection in worksite meter The transparent connection control PXI/CompactPCI systems of calculation machine (13)；PXI cabinets in the NI-PXI platforms (11) use NI PXIe-1071, containing 3 mixing slots, NI PXIe- 1071 each slot receives PXI Express modules or the trunk mixed modules of compatible standard PXI, per slot 1GB/s Dedicated bandwidth and 3GB/s system bandwidth；PXI-6221 data collecting cards (1) in the NI-PXI platforms (11) have 16,16 tunnel A/D converter, 250kS/ S sample rates, 16,2 tunnel D/A converter, two universal counters and 24 digital channels.
- 9. the application method of any shield tunnel simultaneous grouting slurry measured performance parameter system in claim 1 to 8, It is characterised in that it includes following steps：Step S1, Commissioning field data collection station (21) and its between remote server (22) communication network connectedness；Step S2, the field data acquiring terminal (21) carry out the work of size performance parametric measurement；Step S3, the field data acquiring terminal (21) are handled and are analyzed to step S2 test the data obtaineds；Step S4, the field data acquiring terminal (21) send processing and analysis result obtained by step S3 to remote server (22) and related technical personnel.
- 10. the application method of shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 9, it is special Sign is：Step S1~the S2 includes：At the construction field (site), instrument and collection in worksite computer and preliminary debugging are arranged After success, every sampling parameter of collection in worksite computer is set, and sets the data receiver of real-time data transmission-long-range The IP address of server 2 and the mailbox that the required sender of data and receiver are transmitted by mail；After the completion of setting, Working status inspection is carried out, manual simulation's pumping signal, data acquisition module normal work, checks that collection in worksite computer is each logical Track data collection, generating date, database purchase and data publication function, check that remote server checks that data are real-time Whether reception, mail reception various functions are normal；Develop Data test job after step S1 is debugged successfully, in data communication module (D) under support, slurries prepared by mixing plant flow into terminal, and when liquid level of slurry reaches preset height, liquid level sensor (4) is received To signal, trigger terminal data acquisition module (A) life's work, open valve, slurries separately flow into density, granular information with And measuring device of electromotive force, and then the signal collected is inputted NI-PXI systems by each sensor.
- 11. the application method of shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 9, it is special Sign is：Step S3~the S4 includes：Data process＆analysis module (B) by the digital signal that step (S2) collects into Rower is fixed and reduction, final output represent the measurement result of actual physical meaning；Data management then utilizes number with release module (C) According to the internet and present mobile communication technology of communication module (D), at preset timed intervals and mode is from trend remote server (22) Data are sent, and realize that data test results web page real-time display, Mobile SMS notify designated person's function, and number can be based on Measured data is stored according to storehouse technology；Remote server (22) can be monitored control to collection in worksite computer (13) at the same time, just In excluding collection in worksite computer (13) failure in time, measured so as to fulfill Unattended remote, it is achieved thereby that existing in construction Field automatically determines the performance parameter of shield synchronous grouting serous fluid, accurately and effectively the performance of the actual slurries in reflection scene.
- 12. the application method of shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 9, it is special Sign is：It is to utilize electrochemistry using the step of fluidity of emf method measure simultaneous grouting slurry, denseness and injection intensity Principle, primary battery is formed by a pair of of lead-copper electrode and cement grout, and electromotive force is measured using highly sensitive microvolt step voltage table And record；Before general measure, it is necessary to the fluidity of use for laboratory traditional instrument and method measure slurries, denseness and Injection intensity, while electromotive force is electrochemically measured, and make fluidity, denseness, injection intensity and the electromotive force of slurries Mapping table, and then utilize in the fluidity of experimental determination, denseness, injection intensity and electromotive force mapping table to utilizing The field measurement electromotive force data that electrochemical method obtains are demarcated, and table look-up to obtain surveyed slurries pair using the electromotive force measured Fluidity, denseness and the injection intensive parameter answered, are reflected so as to fulfill multiple parameters are unified with actual measurement electrochemistry amount, convenient Live grind slurries quality observing and controlling and management.
- 13. the application method of shield tunnel simultaneous grouting slurry measured performance parameter system according to claim 9, it is special Sign is：Surveyed data are constantly backuped to remote server (22) end by the system for field acquisition terminal (21), are ensured The safety of field measurement data；The memory module of the system data library storage data, facilitates whole slurries parameter testing item Purpose data to arrange and preservation；Data test result can be realized webpage real-time display by internet and pass through Mobile SMS Notify designated person, field measurement data are obtained at the same time so as to fulfill more people；Remote server (22) can be with dynamic call scene Acquisition terminal (21) each function module, can be configured or change to its running parameter, and can monitoring site collecting computer (13) working status.
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| CN107246269A (en) * | 2017-07-13 | 2017-10-13 | 合肥引力波数据科技有限公司 | A kind of tunnel shield-tunneling construction and its data collecting system |
| CN108007825B (en) * | 2017-12-29 | 2020-10-02 | 同济大学 | Liquid viscosity testing method based on mechanical vibration of liquid drops |
| CN109162730B (en) * | 2018-07-21 | 2020-08-11 | 中铁十八局集团有限公司 | Slurry parameter management system of slurry balance shield based on BIM |
| CN109855798A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of portable pressure in-line calibration device based on PXI bussing technique |
| CN115127713B (en) * | 2022-06-21 | 2023-05-02 | 山东大学 | Method for testing buoyancy on segment of shield tunnel |
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