CN105952495A - Wireless positioning portable tunnel construction safety warning system and wireless positioning portable tunnel construction safety warning method - Google Patents
Wireless positioning portable tunnel construction safety warning system and wireless positioning portable tunnel construction safety warning method Download PDFInfo
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- CN105952495A CN105952495A CN201610553903.1A CN201610553903A CN105952495A CN 105952495 A CN105952495 A CN 105952495A CN 201610553903 A CN201610553903 A CN 201610553903A CN 105952495 A CN105952495 A CN 105952495A
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 69
- 238000007405 data analysis Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 53
- 230000009467 reduction Effects 0.000 claims description 25
- 239000011435 rock Substances 0.000 claims description 16
- 238000010586 diagram Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000009432 framing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000004062 sedimentation Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides a wireless positioning portable tunnel construction safety warning system, comprising a displacement meter, a pressure meter, a wireless transmitting element, positioning portable devices and a warning terminal, wherein the wireless transmitting element is respectively and electrically connected with the displacement meter and the pressure meter, and is used for collecting pressure information and displacement information; each positioning portable device comprises a wireless module, and the wireless modules have communication with the wireless transmitting element and are used for receiving positioning information; the warning terminal comprises a data analysis module, and the data analysis module has communication with the wireless transmitting element and is used for analyzing the collected pressure information and displacement information so as to obtain a warning level; the warning terminal is also used for transmitting wireless positioning signals to a tunnel so as to determine the positions of all the positioning portable devices.
Description
Technical field
The present invention relates to a kind of wireless location portable safety for tunnel engineering early warning system and method.
Background technology
Tunnel Engineering is to construct in underground, and work progress has non-intellectual and uncertainty greatly.Cause
This, in constructing tunnel, be monitored early warning to tunnel wall rock deformation and Internal force of support structure, is to understand tunnel
Deformation, the important means of guarantee workmen's safety.At present, the monitoring measurement in constructing tunnel, main
Manual work mode to be used, utilizes the instrument such as level gauge, total powerstation, and right place reads pre-buried measuring point
The data such as displacement meter, then carry out office operation, draw the chart of tunnel deformation, supervise according to deformation, internal force etc.
Measured value, carries out early warning to tunnel safety state.This process is the longest, it is impossible to reflect the change in tunnel in real time
The steady statues such as shape, and the fall damage in tunnel is it may happen that in the short period of time, and manual work is relatively
Many, in severe underground construction environment, mistake and error, poor reliability easily occur, it is difficult to played
The forewarning function of effect, and patrol officer is during patrolling and examining, it is impossible to position in time, patrol officer's
Safety can not get effective guarantee.
By retrieval, Chinese invention patent application number: 201110208350.3, denomination of invention: based on three dimensions
The safety for tunnel engineering method for early warning of word tunnel platform and system, Chinese invention patent application number:
201210569572.2, denomination of invention: tunnel surrounding deformation quantity detection early warning system based on continuous wave radar and side
Method.For safety for tunnel engineering early warning problem, establish backstage 3-dimensional digital early warning system and the company of utilization respectively
The early warning system of continuous ripple radar test surrouding rock deformation, foregoing invention system cost is higher, and can not supervise in real time
The dangerous situation occurred in real time in control tunnel cross-section, for solving the problems referred to above, it is necessary to a kind of wireless location of design is just
Take formula safety for tunnel engineering early warning system and method.
Summary of the invention
The present invention provides a kind of wireless location portable safety for tunnel engineering early warning system and method, to solve
At present monitoring tunnel wall rock deformation and Internal force of support structure early warning not in time, early warning information poor reliability and patrolling and examining
Personnel cannot position, and the problem such as prior art and system cost is high, system installation complexity.
To achieve these goals, the present invention is to realize by the following technical solutions: a kind of wireless fixed
Position portable safety for tunnel engineering early warning system, including displacement meter and piezometer, also include for send and
Receive location information, gather pressure information and the wireless transmit element of displacement information and for data analysis and
The Forewarning Terminal of personnel positioning；Described Forewarning Terminal includes data analysis module, described data analysis module
Including building the safety for tunnel engineering early warning system software of finite element numerical model and storing according to different section
The warning data storehouse of threshold value of warning is set；Described wireless transmit member forward end is electrically connected with displacement meter and piezometer
Connect, rear end with the tunnel being positioned at outside Forewarning Terminal electrically connect；
Wherein, described wireless transmit element respectively with displacement meter and piezometer communication, be used for collecting pressure letter
Breath and displacement information；
Described Forewarning Terminal and wireless transmit element communication, for analyzing pressure information and the displacement letter of collection
Breath draws advanced warning grade, launches framing signal by wireless transmit element in hole simultaneously.
Further, also include that positions portable formula device, described positions portable formula device are provided with wireless module,
Described wireless module and wireless transmit element, by wireless network communication, are used for receiving location information and feedback
Signal draws positions portable formula device position.
Further, described Forewarning Terminal also include processor, alarm lamp, display screen and operation by
Button, described processor is electrically connected with data analysis module, alarm lamp, display screen and operation button respectively
Connect, the linkage between each device of integrated dispatch；Described alarm lamp is for obtaining according to analyzing
The warning light of advanced warning grade flicker different colours and the auditory tone cues of different frequency；Described display screen is used for
Display piezometer and displacement meter numbering, position, pressure and the information such as shift value and advanced warning grade；Described
Operation button option in moving display screen selects corresponding exhibition information.
Further, described system is provided with multiple monitoring section having certain distance each other, same
The upper dome of individual monitoring section and both sides arch springing are respectively provided with monitoring point, described each prison with abutment wall intersection
Measuring point is provided with piezometer, displacement meter and wireless transmit element.
The method of a kind of wireless location portable safety for tunnel engineering early warning, described method comprises the steps:
S1) according to tunnel geology situation, excavation supporting mode and Grades of Surrounding Rock, tunnel monitoring section is determined
Position；
S2) vault on monitoring section, both sides, tunnel arch springing and layout monitoring point, abutment wall intersection；
S3) wire is utilized to be electrically connected by the Forewarning Terminal of the wireless transmit element of each monitoring point with tunnel portal
Connect；
S4) according to geological condition, excavation supporting mode and the Grades of Surrounding Rock of monitoring section, finite element is set up
Collection data are mated with finite element numerical model, are determined advanced warning grade by numerical model；
S5) positions portable formula device position is determined according to wireless module restoring to normal position information；
S6) Forewarning Terminal flashes warning light and the sound of different frequency of different colours according to advanced warning grade
Prompting, and show piezometer and displacement meter numbering, position, pressure and shift value and in advance on a display screen
The information such as alert grade.
Further, described step S3) front also include S2.1): by piezometer, the displacement of each monitoring point
Meter and wireless transmit element access power supply by power hub.
Further, described step S3) also include step S3.1): the foundation of finite element numerical model uses
Strength Reduction Method, draws reduction coefficient-displacement diagram and reduction coefficient-pressure by calculating tunnel deformation process
Figure.
The invention has the beneficial effects as follows:
As seen from the above-described embodiment, the present invention accesses wireless transmit element on piezometer and displacement meter, will
The information of piezometer and displacement meter monitoring is by wire transmission to Forewarning Terminal, and Forewarning Terminal is provided with number
According to analyzing module, data analysis module is provided with finite element numerical model, and finite element numerical model is by calculating
Tunnel deformation process obtains reduction coefficient-displacement diagram and reduction coefficient-tonogram, and is integrated in data analysis
In module, by the information of collection is contrasted with finite element numerical model, according to the grade point set
Range intervals, is converted into advanced warning grade；Forewarning Terminal forms local with wireless module and wireless transmit element
Net, wireless module can receive the framing signal that Forewarning Terminal is launched, by setting wireless radiated element
Wireless signal scope, when wireless module beams back location by setting the wireless transmit element of numbering and position
Feedback signal, Forewarning Terminal may determine that the position range of positions portable formula device, so that it is determined that patrol and examine people
The position of member.This system can play safety for tunnel engineering early warning effect real-time, wireless, efficient, effectively
Ensure that the safety of patrol officer.
Accompanying drawing explanation
Fig. 1 is an enforcement of wireless location of the present invention portable safety for tunnel engineering early warning system and method
Illustrate and be intended to；
Fig. 2 is a structure connection diagram of Forewarning Terminal of the present invention；
Fig. 3 is the reduction coefficient-displacement diagram of vault monitoring point of the present invention；
Fig. 4 is the reduction coefficient-tonogram of vault monitoring point of the present invention；
Fig. 5 is the reduction coefficient-displacement diagram of both sides of the present invention arch springing and monitoring point, abutment wall intersection；
Fig. 6 is the reduction coefficient-tonogram of both sides of the present invention arch springing and monitoring point, abutment wall intersection；
In figure: 1-shifting meter, 2-piezometer, 3-wireless transmit element, 4-positions portable formula device, 5-are pre-
Alert terminal, 41-wireless module, 56-processor, 53-alarm lamp, 54-display screen, 55-operation are pressed
Button.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make
The above-mentioned purpose of the embodiment of the present invention, feature and advantage can become apparent from understandable, the most right
In the embodiment of the present invention, technical scheme is described in further detail.
See Fig. 1, including displacement meter 1, piezometer 2, wireless transmit element 3, positions portable formula device
4 and Forewarning Terminal 5；Displacement meter 1 is arranged in the wall of monitoring point, by manually boring at monitoring point wall
Hole, is arranged in displacement meter in hole, makes the sensor of displacement meter and the inwall of hole and bottom laminating,
Displacement meter uses vibratory string mode to have automatic identification function, can automatically obtain the displacement information of monitoring point；
Piezometer 2 is arranged in outside the wall of monitoring point, fits with the wall surface of monitoring point, and piezometer 2 uses
String wire mode, has automatic identification function, can automatically obtain the pressure information of monitoring point；Wireless transmit
Element 3 is arranged in outside the wall of monitoring point, is bolted on displacement meter and piezometer side, by letter
Number line electrically connects with displacement meter and piezometer, and wireless transmit element is displacement meter and piezometer transmission information
Maincenter, displacement meter and piezometer send displacement information and the pressure information of monitoring to wireless transmit element,
Displacement information and pressure information are transmitted to Forewarning Terminal, wireless transmit unit by wireless transmit element by cable
Part uses data communication ICP/IP protocol and the protocol of wireless local area network of standard；Positions portable formula device 4
Being provided with wireless module 41, wireless module receives wireless by ICP/IP protocol and protocol of wireless local area network
The location information that radiated element is launched；Forewarning Terminal 5 includes data analysis module 52, data analysis module
Launch location information by wireless transmit element, positions portable formula device during patrol officer patrols and examines,
By the scope of the wireless signal of setting wireless radiated element, when wireless module launches unit by respective wireless
Part restoring to normal position signal is set up with wireless transmit element and wireless module to data analysis module, Forewarning Terminal
LAN, Forewarning Terminal may determine that the regional extent at positions portable formula device place, so that it is determined that patrol and examine
The position of personnel；Data analysis module also sets up finite element numerical model, and finite element numerical model uses strong
Degree reduction method, draws reduction coefficient-displacement diagram and reduction coefficient-tonogram by calculating tunnel deformation process,
Data analysis module and wireless module communication, by the displacement information received and pressure information and finite element numerical
Model contrasts, and draws advanced warning grade.
With reference to Fig. 2, Forewarning Terminal 5 also includes processor 56, alarm lamp 53, display screen 54 and
Operation button 55, processor respectively with data analysis module, alarm lamp, display screen and operation button
Electrical connection, the linkage between each device of integrated dispatch；The advanced warning grade that alarm lamp obtains according to analysis
The alarm lamp of flicker different colours and the auditory tone cues of different frequency, in reduction coefficient-displacement diagram, reduction system
On number-tonogram, the value corresponding to knee of curve is critical deformationvalue U0 and critical pressure value P0；Work as prison
During displacement value U ＞ 3U0/4 or monitoring pressure value P ＞ 3P0/4, for red early warning and send of short duration and anxious
The chimes of doom promoted；As 1U0/2 ＜ U≤3U0/4 or 1P0/2 ＜ P≤3P0/4, concurrent for orange early warning
Go out evenly spaced chimes of doom；As U0/4≤U≤1U0/2 or P0/4≤P≤1P0/2, pre-for yellow
Warn and send the chimes of doom that interval is longer；As U ＜ U0/4 or P ＜ P0/4, do not send out for green early warning
Go out chimes of doom；Alarm lamp uses led technology, has brightness high, and identification is big, and service life is long
Etc. feature；Display screen is used for showing piezometer and displacement meter numbering, pressure, shift value and advanced warning grade
Etc. information, display screen uses led technology equally, and led display screen is with low cost, good stability；Operation
Button is provided with and moves to left, moves to right, upper shifting, moves down, determines, returns and numeric keypad etc., for according to patrolling
Inspection personnel need mobile screen in option to select corresponding exhibition information.
In the present embodiment, it is provided with multiple monitoring section having certain distance each other, at same prison
Upper dome and the both sides arch springing of surveying section are respectively provided with monitoring point with abutment wall intersection；Arrange monitoring point it
Before, need to judge that the distance of monitoring section, the distance of detection section set according to tunnel, the grade of country rock
Putting different length, country rock grade is divided into: VI level, V level, IV level, III level, II level and I level；
For V level and VI level country rock, monitoring section spacing takes 5～10m；To IV level country rock, between monitoring section
Away from taking 10～20m；To III level country rock, monitoring section spacing takes 20～30m；To I～II level country rock, prison
Survey section spacing and take 30～50m；It is wireless that each monitoring point arranges 1 piezometer, 1 displacement meter and 1
Radiated element forms.
As a further improvement on the present invention, each test point arranges 1 piezometer, 1 displacement meter and 2
Individual wireless transmit element, 1 corresponding 1 wireless transmit element of piezometer, 1 corresponding 1 nothing of displacement meter
Line radiated element, in the present embodiment, due to piezometer and the most corresponding different wireless transmit of displacement meter
Element, its position installed will not be since it is desired that connect same wireless transmit element and limit to, Ke Yigen
According to the practical situation of section, in the vault to both sides arch springing 90 degree of amplitudes with abutment wall intersection, adjust pressure
Meter or the position of displacement meter.
With reference to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, being V level at Grades of Surrounding Rock, monitoring section distance is set to
Reduction coefficient-displacement diagram when 5 meters and reduction coefficient-tonogram, in the drawings, when reduction coefficient is 2 be
Flex point, corresponding critical sedimentation value is 0.2cm, critical vault value of compressive stress is 0.7MPa, critical abutment wall
Displacement is 0.8cm, critical abutment wall value of compressive stress is 1MPa；As Vault settlement U ＜ 0.05cm, pressure
P ＜ 0.175MPa, abutment wall displacement U ' ＜ 0.2cm, abutment wall pressure P ' ＜ 0.25MPa, pre-for green
Police does not send chimes of doom；When Vault settlement 0.05cm≤U≤0.1cm, pressure 0.175MPa≤P≤
0.35MPa, abutment wall displacement U ' 0.2cm≤U '≤0.4cm, abutment wall pressure P ' 0.25MPa≤P '≤
During 0.5MPa, for yellow early warning and send the longer chimes of doom in interval；When Vault settlement 0.1cm ＜ U≤
0.15cm, pressure P0.35MPa ＜ P≤0.525MPa, abutment wall displacement U ' 0.4cm ＜ U '≤0.6cm,
During abutment wall pressure P ' 0.5MPa ＜ P '≤0.75MPa, for orange early warning and send evenly spaced warning
Sound；When Vault settlement U ＞ 0.15cm, pressure P ＞ 0.525Mpa, abutment wall displacement U ' ＞ 0.6cm, limit
Wall pressure P ' ＞ 0.75MPa, for red early warning and send of short duration and rapid chimes of doom.
The method of a kind of wireless location portable safety for tunnel engineering early warning, comprises the steps:
S1) reconnoitre during constructing tunnel, obtain tunnel geology situation, excavation supporting mode and
Grades of Surrounding Rock, collects Tunnel Design data, construction drawing and digging mode etc., according to reconnoitre and collect
Data determines the position of tunnel monitoring section and the distance of monitoring section；
S2) boring bar tool and the ladder truck vault on monitoring section and both sides, tunnel arch springing and abutment wall are utilized
Layout monitoring point, intersection, each monitoring point includes displacement meter, piezometer and wireless transmit element, will be every
The piezometer of individual monitoring point, displacement meter and wireless transmit element access power supply, displacement by power hub
Meter is used for gathering displacement information, and piezometer is used for gathering pressure information, and wireless transmit element will be for gathering
Information be transmitted to positions portable formula device；
S4) wire is utilized to be electrically connected by the Forewarning Terminal of the wireless transmit element of each monitoring point with tunnel portal
Connect；
S5) according to geological condition, excavation supporting mode and the Grades of Surrounding Rock of monitoring section, finite element is set up
Numerical model, the foundation of finite element numerical model uses Strength Reduction Method, by calculating tunnel deformation process
Draw reduction coefficient-displacement diagram and reduction coefficient-tonogram, collection data are entered with finite element numerical model
Row coupling, determines advanced warning grade.
S5) by angle and the electromagnetic wave length of setting wireless radiated element, unit can be launched with setting wireless
The transmitting range of part, according to wireless module by setting the wireless transmit element restoring to normal position of numbering and position
Mancarried device, it may be determined that the position range of positions portable formula device, so that it is determined that the position of patrol officer
Put；
S6) Forewarning Terminal carries according to the alarm lamp of advanced warning grade flicker different colours and the sound of different frequency
Show, and show piezometer and displacement meter numbering, pressure, shift value and advanced warning grade etc. on a display screen
Information.
As seen from the above-described embodiment, the present invention accesses wireless transmit element on piezometer and displacement meter, will
The information of piezometer and displacement meter monitoring is transmitted to Forewarning Terminal, and Forewarning Terminal is provided with data analysis mould
Block, data analysis module is provided with finite element numerical model, and finite element numerical model is by calculating tunnel deformation
Process obtains reduction coefficient-displacement diagram and reduction coefficient-tonogram, and is integrated in data analysis module,
By the information of collection is contrasted with finite element numerical model, according to the grade point range intervals set,
It is converted into advanced warning grade；The wireless module of positions portable formula device forms LAN with wireless transmit element,
The framing signal that Forewarning Terminal is launched can be received, by the wireless signal scope of setting wireless radiated element,
When wireless module beams back framing signal, Forewarning Terminal by setting the wireless transmit element of numbering and position
May determine that the position range of positions portable formula device, so that it is determined that the position of patrol officer.Reality can be played
Time, safety for tunnel engineering early warning effect wireless, efficient, effectively ensure that the safety of patrol officer.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although
With reference to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from technical solution of the present invention
Objective and scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (7)
1. a wireless location portable safety for tunnel engineering early warning system, including displacement meter (1) and pressure
Power meter (2), it is characterised in that: also include for send and receive location information, gather pressure information and
The wireless transmit element (3) of displacement information and for data analysis and the Forewarning Terminal (5) of personnel positioning；
Described Forewarning Terminal (5) includes that data analysis module (52), described data analysis module (52) include
The safety for tunnel engineering early warning system software and the storage that build finite element numerical model are arranged according to different section
The warning data storehouse of threshold value of warning；Described wireless transmit element (3) front end and displacement meter (1) and pressure
Meter (2) electrical connection, rear end with the tunnel being positioned at outside Forewarning Terminal (5) electrically connect；
Wherein, described wireless transmit element (3) respectively with displacement meter (1) and piezometer (2) communication,
For collecting pressure information and displacement information；
Described Forewarning Terminal (5) and wireless transmit element (3) communication, for analyzing the pressure letter of collection
Breath and displacement information draw advanced warning grade, launch location by wireless transmit element (3) in tunnel simultaneously
Signal.
A kind of wireless location portable safety for tunnel engineering early warning system the most according to claim 1,
It is characterized in that: also include that positions portable formula device (4), described positions portable formula device (4) are provided with nothing
Wire module (41), described wireless module (41) is led to by wireless network with wireless transmit element (3)
News, are used for receiving location information and feedback signal draw positions portable formula device (4) position.
A kind of wireless location portable safety for tunnel engineering early warning system the most according to claim 1,
It is characterized in that: described Forewarning Terminal (5) also include processor (56), alarm lamp (53),
Display screen (54) and operation button (55), described processor (56) respectively with data analysis module (52),
Alarm lamp (53), display screen (54) and operation button (55) electrical connection, for integrated dispatch
Linkage between each device；Described alarm lamp (53) is for according to analyzing the advanced warning grade sudden strain of a muscle obtained
The warning light of bright different colours and the auditory tone cues of different frequency；Described display screen (54) is used for showing
Piezometer and displacement meter numbering, position, pressure and the information such as shift value and advanced warning grade；Described operation
Button (55) selects corresponding exhibition information for moving display screen (54) interior option.
A kind of wireless location portable safety for tunnel engineering early warning system the most according to claim 1,
It is characterized in that: described system is provided with multiple monitoring section having certain distance each other, same
The upper dome of monitoring section and both sides arch springing are respectively provided with monitoring point, described each monitoring with abutment wall intersection
Point is provided with piezometer (1), displacement meter (2) and wireless transmit element (3).
5. a method for wireless location portable safety for tunnel engineering early warning, described method includes walking as follows
Rapid:
S1) according to tunnel geology situation, excavation supporting mode and Grades of Surrounding Rock, tunnel monitoring section is determined
Position；
S2) vault on monitoring section, both sides, tunnel arch springing and layout monitoring point, abutment wall intersection；
S3) wire is utilized to be electrically connected by the Forewarning Terminal of the wireless transmit element of each monitoring point with tunnel portal
Connect；
S4) according to geological condition, excavation supporting mode and the Grades of Surrounding Rock of monitoring section, finite element is set up
Collection data are mated with finite element numerical model, are determined advanced warning grade by numerical model；
S5) positions portable formula device position is determined according to wireless module restoring to normal position information；
S6) Forewarning Terminal flashes warning light and the sound of different frequency of different colours according to advanced warning grade
Prompting, and show piezometer and displacement meter numbering, position, pressure and shift value and in advance on a display screen
The information such as alert grade.
A kind of wireless location portable safety for tunnel engineering early warning system the most according to claim 5,
It is characterized in that: described step S3) front also include S2.1): by piezometer, the displacement meter of each monitoring point
And wireless transmit element accesses power supply by power hub.
A kind of wireless location portable safety for tunnel engineering early warning system the most according to claim 5,
It is characterized in that: described step S3) also include step S3.1): the foundation of finite element numerical model uses strong
Degree reduction method, draws reduction coefficient-displacement diagram and reduction coefficient-tonogram by calculating tunnel deformation process.
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| CN107939447A (en) * | 2017-12-07 | 2018-04-20 | 重庆天府矿业有限责任公司 | A kind of safety of coal mines risk stratification early warning management-control method and system |
| CN108279082A (en) * | 2018-01-16 | 2018-07-13 | 吉林大学 | A kind of monitoring of Tunnel Surrounding Rock Pressure and early warning system |
| CN109948294A (en) * | 2019-04-02 | 2019-06-28 | 河北省交通规划设计院 | A kind of determination method of tunnel limit displacement |
| CN109989773A (en) * | 2019-04-30 | 2019-07-09 | 中铁第四勘察设计院集团有限公司 | The drawing anchor support system and method for highway soft rock tunnel |
| CN110288788A (en) * | 2019-06-20 | 2019-09-27 | 山东爱拓软件开发有限公司 | A kind of portable mobile wireless acoustooptic alarm system |
| CN110737977A (en) * | 2019-10-10 | 2020-01-31 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | tunnel surrounding rock deformation prediction method and prediction device |
| CN111022124A (en) * | 2019-12-31 | 2020-04-17 | 山东交通学院 | Advanced early warning method for short-term and long-term deformation of bridge and tunnel engineering |
| CN113236332A (en) * | 2021-06-24 | 2021-08-10 | 青海省交通建设管理有限公司 | System for monitoring and comprehensively treating toxic and harmful gas in coal-penetrating tunnel construction period |
| CN114165241A (en) * | 2021-12-06 | 2022-03-11 | 上海隧道工程有限公司 | Tunnel lining soil pressure detection system and construction method thereof |
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