CN109322705A - Shield tunnel ground settlement automatic monitoring and alarming system and method for early warning - Google Patents
Shield tunnel ground settlement automatic monitoring and alarming system and method for early warning Download PDFInfo
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- CN109322705A CN109322705A CN201811435730.9A CN201811435730A CN109322705A CN 109322705 A CN109322705 A CN 109322705A CN 201811435730 A CN201811435730 A CN 201811435730A CN 109322705 A CN109322705 A CN 109322705A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims description 20
- 238000004062 sedimentation Methods 0.000 claims description 22
- 230000002706 hydrostatic effect Effects 0.000 claims description 15
- 208000015181 infectious disease Diseases 0.000 claims description 4
- 230000007774 longterm Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000008447 perception Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process 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
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides a kind of shield ground settlement automatic monitoring and alarming system, including automated collection systems and early warning system, automated collection systems perception shield ground settlement simultaneously generates corresponding electric signal, and early warning system can receive electrical signal data, and being capable of automatic early-warning in predefined conditions.By choosing shield machine in the operating condition progradation of normal fluctuation, the sample time-history curves initial value of several monitoring points away from cutterhead different distance is measured in advance, and the bound using sample envelope as standard time-history curves, subsidence range value as early warning system early warning program, when needing to adjust shield machine operating condition, the system is laid respectively in the monitoring point of the corresponding cutterhead Tunnel ahead axis earth's surface different location of standard time-history curves, when the monitor value that early warning system receives exceeds the standard time-history curves upper limit and standard time-history curves lower limit, early warning system automatic early-warning.
Description
Technical field
The present invention relates to shield surface subsidence monitoring field, especially a kind of automatic monitoring and warning of shield tunnel ground settlement
System and method for early warning.
Background technique
Shield Method is the key technology of subway construction engineering, with the continuous progress of urban rail transit construction, shield
Structure construction occupies one seat because of the quick, safety quick of its construction in Construction of Urban Rail Traffic.But shield earth's surface is heavy
Drop also becomes very important problem, although there is the related monitoring means to ground settlement at present, structure is complicated mostly, cannot
Constantly dynamic is carried out to it to monitor, and can not be analyzed, guiding construction according to Real-time Monitoring Data, be adjusted operating condition.
The transit tunnel faced for the new airport line large-diameter shield constructing metro tunnel in Beijing is longer, passes through soil layer situation
The objective problems such as complicated, tunnel diameter big (8.8m) will often adjust shield machine operating condition in shield machine progradation, in operating condition tune
It is unreasonable such as the case where thrust is excessive, soil pressure reality less than normal is under-voltage propulsion that parameter adjustment is easy to appear during whole, once parameter
It is unreasonable that ground settlement may occur excessive or even the case where collapse.
It is therefore desirable to take effective monitoring and Forewarning Measures to shield ground settlement, strict control earth's surface is heavy
Drop prevents the superstructure security risk caused by ground settlement, it appears particularly necessary and urgent.
Summary of the invention
To solve the above problems, proposing a kind of ground based on the design of shield tunnel axis earth's surface monitoring point time-history curves rule
Table settlement automatic monitoring early warning system and method for early warning.
Present invention firstly provides a kind of shield ground settlement automatic monitoring and alarming systems, including automated collection systems and early warning
System, wherein
The automated collection systems include:
I. two hydrostatic levels, one of them is installed on the monitoring point of earth's surface right above the tunnel axis promoted,
Another is installed on the earth's surface monitoring point that same level is not influenced by shield driving, and the hydrostatic level is for perceiving shield tunnel
Road ground settlement simultaneously generates corresponding electric signal；
Ii. automation collection electronic box is connect with described two hydrostatic levels respectively, is generated for acquiring hydrostatic level
Electric signal；
The early warning system includes the end PC, what the end PC can be transmitted by radio transceiver automation collection electronic box
Electrical signal data, and being capable of automatic early-warning in predefined conditions.
Preferably, described two hydrostatic levels connect tracheae, middle part connection tracheae and lower part by top and connect water
Pipe connection.
Preferably, the end PC has data processing module, and the data processing module can draw time-history curves.
Preferably, the end PC has warning module, and warning module monitoring point in front of cutterhead is bent in corresponding time-histories
When position sedimentation on line exceeds bound, red early warning can be issued automatically.
Preferably, there is automatic data logging kit in the automation collection electronic box.
The present invention further provides a kind of automatic monitoring and pre-alarming methods, it is characterised in that includes the following steps:
(1) sample collection: in the operating condition progradation of shield machine normal fluctuation, automated collection systems are arranged in advance, in advance
Collecting sample time-history curves initial value；
(2) it determines standard time-history curves upper and lower limit: sample time-history curves group is drawn according to sample time-history curves initial value,
And then obtain upper and lower envelope, it is pre- as early warning system respectively as the standard time-history curves upper limit and standard time-history curves lower limit
The subsidence range value of alert program；
(3) settlement monitoring: the tunnel axis earth's surface monitoring point of different distance in front of the corresponding cutterhead of standard time-history curves
Automated collection systems are laid respectively, the sedimentation value of each monitoring point in cutterhead front during acquisition and monitoring shield driving；
(4) shield machine operating condition judges: if the sedimentation value of different distance monitoring point is without departing from standard time-history curves in front of cutterhead
The upper limit or lower limit of upper corresponding position, the shield machine operating condition after illustrating fine tuning is good, can be used as the reference operating condition promoted for a long time；
(5) automatic early-warning: if the sedimentation value of cutterhead front different distance monitoring point, which exceeds on standard time-history curves, corresponds to position
The upper limit or lower limit set, the then work condition abnormality after illustrating fine tuning, early warning system receive corresponding information, issue early warning automatically.
Preferably, step (1) in advance collecting sample time-history curves initial value specially measure in advance in front of cutterhead it is different away from
From several monitoring points of tunnel axis earth's surface sedimentation initial value.
Preferably, sample is further divided into five stages: leading infection rank according to slope variation range by step (1)
Section, cutterhead reach last stage, shield body by stage, long-term settlement stage after stage, shield tail abjection, can flexibly acquire five stages
In some, certain is several or all corresponding stage monitor values obtain the standard time-history curves upper limit and standard time-histories as sample cluster
Curve lower limit.
Preferably, rapid (3) described automated collection systems are specifically laid several sets and are determined according to actual conditions, at least lay one
Set, system flexibly can be moved gradually along tunnel mileage with shield driving, remained and carried out to earth's surface in front of shield cutter
Monitoring.
Preferably, step (3) has step (31) afterwards: when being in different by earth's surface monitoring point in front of monitoring shield cutter
The sedimentation value in journey curve stage can be realized real-time dynamic monitoring, reversely verify shield as shield machine is more and more closer apart from measuring point
Whether the operating condition of structure machine at this time is reasonable.
The utility model has the advantages that automatic monitoring and alarming system structure of the present invention is simple, arrangement is convenient, and sample time-history curves are divided into
Five stages: leading infection stage, cutterhead reach the last stage, shield body passes through stage, long-term settlement rank after stage, shield tail abjection
Section, by the upper and lower envelope of sample drawing respectively as the standard time-history curves upper limit and standard time-history curves lower limit, as the end PC
The subsidence range value of early warning program lays automatic collection away from monitoring point different location in the corresponding cutterhead of standard time-history curves respectively
System, the monitor value that early warning system receives when the end PC exceed the standard time-history curves upper limit or standard time-history curves lower limit, early warning
System automatic early-warning is come by the sedimentation value of the earth's surface monitoring point in the different time course curve stage in front of monitoring shield cutter
Whether the operating condition of reversed verifying shield machine at this time is reasonable, whereby can be to shield especially when needing to finely tune shield machine operating condition
Structure machine operating condition problem finds in advance, adjusts in time, prevents security risk.
Detailed description of the invention
Fig. 1 is monitoring system structure arrangement schematic diagram；
Fig. 2 is divided stages and sample process schematic diagram；
Fig. 3 is that monitoring data transmit schematic diagram.
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, but not
Constitute limitation of the invention.
Specific embodiment
Understand in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to embodiment and attached
Figure, is described in further details the embodiment of the present invention.Here, illustrative embodiments and their description of the invention are for explaining this
Invention, but it is not as a limitation of the invention.
In the description of the present invention, it is to be understood that, term "comprises/comprising", " by ... form " or its is any
Other variants are intended to non-exclusive inclusion, so that product, equipment, process or method including a series of elements are not
Only include those elements, and can also include other elements that are not explicitly listed when needing, or it is this for further including
Product, equipment, process or the intrinsic element of method.In the absence of more restrictions, by sentence " including/packet
Contain ... ", " by ... form " element that limits, it is not excluded that it is including in the product of the element, equipment, process or method
There is also other identical elements.
Such as Fig. 1 and shown in Figure 3, in the specific embodiment of the present invention, a kind of shield ground settlement is proposed
Automatic monitoring and alarming system, principle are as follows: do not influenced by shield driving above the tunnel axis promoted with same level
Point installs a hydrostatic level 1 respectively, then is separately connected automation collection electronic box 2, so that it may acquire shield cutter distance prison
The sedimentation value of monitoring point when measuring point different distance, automation collection electronic box pass data to the end PC by wireless transmission, pass through
Processing routine on PC draws time-history curves.
In the present invention, two hydrostatic levels 1 use Beijing base Kanggong department BGK-4675 hydrostatic level, are mounted on ground
Table.
In the present invention, described two hydrostatic levels 1 connect tracheae 3 by top, middle part connects tracheae 4 and lower part connects
Water receiving pipe 5 connects, and three root canals guarantee that two hydrostatic level inside water pressures are consistent with air pressure, it is ensured that aqueous vapor pressure balance.
In the present invention, automation collection electronic box 2 integrates automatic data logging kit, the BGK- produced using Beijing base Kanggong department
DR automatic data logging kit calculates the 32 channel BGK-M work CRO distributed network measurement systems using the production of Beijing base Kanggong department
System.
Another embodiment of the invention proposes a kind of automatic monitoring and pre-alarming method, includes the following steps:
(1) sample collection: in the operating condition progradation of shield machine normal fluctuation, automated collection systems are arranged in advance, in advance
Collecting sample time-history curves initial value；
(2) it determines standard time-history curves upper and lower limit: sample time-history curves group is drawn according to sample time-history curves initial value,
And then obtain upper and lower envelope, it is pre- as early warning system respectively as the standard time-history curves upper limit and standard time-history curves lower limit
The subsidence range value of alert program；
(3) settlement monitoring: the tunnel axis earth's surface monitoring point of different distance in front of the corresponding cutterhead of standard time-history curves
Automated collection systems are laid respectively, the sedimentation value of each monitoring point in cutterhead front during acquisition and monitoring shield driving；
(4) shield machine operating condition is assessed: if the sedimentation value of different distance monitoring point is without departing from standard time-history curves in front of cutterhead
The upper limit or lower limit of upper corresponding position illustrate that current shield machine operating condition is good, can be used as the reference operating condition promoted for a long time；
(5) automatic early-warning: if the sedimentation value of cutterhead front different distance monitoring point, which exceeds on standard time-history curves, corresponds to position
The upper limit or lower limit set then illustrate that current working exception, early warning system receive corresponding information, issue early warning automatically.
Referring specifically to Fig. 2, the determination of sample collection and standard time-history curves bound:
The meaning of time-history curves are as follows: during shield driving, earth's surface measuring point in front of shield with shield driving, measuring point away from
The sedimentation value curve at shield different distance moment is known as time-history curves.
Before the change of shield machine operating condition in the case where shield machine operating condition normal fluctuation, automated collection systems are arranged in advance, are adopted
Collection measures the sample time-history curves initial value of several monitoring points away from cutterhead different distance, as early warning system early warning program
Subsidence range value.
Sample is divided into five stages: rank before leading infection stage, cutterhead reach according to slope variation range by the present invention
Section, shield body pass through stage, long-term settlement stage after stage, shield tail abjection.Since time-history curves have consistent rule, and shield machine
Parameter fluctuation can be such that actual measurement time-history curves fluctuate within the scope of two envelopes, be made respectively by the upper and lower envelope of sample drawing
For the standard time-history curves upper limit and the standard time-history curves upper limit.Actual sample acquisition can be acquired flexibly according to live desirability
In five stages some, certain is several or all corresponding stage monitor values are used as sample cluster, obtain the standard time-history curves upper limit with
Standard time-history curves lower limit, the subsidence range value as the end PC early warning program.
Above-mentioned acquisition system takes initial value and removes, and is re-arranged to the position for needing to monitor and adjust shield machine operating condition
It sets.
The tunnel axis earth's surface monitoring point of different distance is laid automatically respectively in front of the corresponding cutterhead of standard time-history curves
Acquisition system is specifically laid several sets and is determined according to actual conditions, at least lay it is a set of, system can flexibly with shield driving gradually
It is moved along tunnel mileage, remains and earth's surface in front of shield cutter is monitored.
It needs in due course to be finely adjusted shield machine operating condition according to the concrete condition of shield during shield, early warning system can
Shield machine operating condition after fine tuning is assessed.If the sedimentation value of different distance monitoring point is bent without departing from standard time-histories in front of cutterhead
The upper limit or lower limit of corresponding position on line illustrate current shield machine operating condition, that is, the shield machine operating condition after finely tuning is good, can be used as length
The reference operating condition that phase promotes；If the sedimentation value of different distance monitoring point is beyond corresponding position on standard time-history curves in front of cutterhead
The upper limit or lower limit, then the shield machine work condition abnormality after illustrating fine tuning, early warning system receive corresponding information, issue early warning automatically.
Simultaneously can according to measured sedimentation value transfinite degree as next again fine tuning operating condition foundation, again to operating condition into
Monitoring and warning system re-starts monitoring and warning after row fine tuning, and so circulation promotes.
During shield driving, as shield is more and more closer apart from monitoring point, same monitoring point can be with shield distance not
Together, in the different time-history curves stages, early warning bound can also change as shield moves closer to monitoring point.
Position of the monitoring point monitor value on corresponding time-history curves exceeds in front of the cutterhead that early warning system receives when the end PC
The standard time-history curves upper limit or standard time-history curves lower limit, the end PC program issue red early warning automatically.
The sedimentation value in different time course curve stage is in by earth's surface monitoring point in front of monitoring shield cutter, with shield machine
It is more and more closer apart from measuring point, it can be realized real-time dynamic monitoring, whether the next operating condition of shield machine at this time of reversely verifying is reasonable, especially
When needing to finely tune shield machine operating condition, shield machine operating condition problem can be found, adjustment in time in advance, be prevented whereby
Security risk.
So far, though those skilled in the art will appreciate that the exemplary reality that present invention has been shown and described in detail herein
Example is applied, still, without departing from the spirit and scope of the present invention, still can be directly determined according to the present disclosure
Or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as
Cover all such other variations or modifications.
Claims (10)
1. a kind of shield tunnel ground settlement automatic monitoring and alarming system, it is characterised in that including automated collection systems and early warning system
System, wherein
The automated collection systems include:
I. two hydrostatic levels, one of them is installed on the monitoring point of earth's surface right above the tunnel axis promoted, another
A earth's surface monitoring point for being installed on same level and not influenced by shield driving, the hydrostatic level is for perceiving shield tunnel
Table settles and generates corresponding electric signal；
Ii. automation collection electronic box is connect with described two hydrostatic levels respectively, for acquiring the electricity of hydrostatic level generation
Signal；
The early warning system includes the end PC, the telecommunications that the end PC can be transmitted by radio transceiver automation collection electronic box
Number, and being capable of automatic early-warning in predefined conditions.
2. system according to claim 1, it is characterised in that: described two hydrostatic levels by top connect tracheae,
Middle part connects tracheae and lower part connection water pipe connection.
3. system according to claim 1, it is characterised in that: the end PC has data processing module, at the data
Reason module can draw time-history curves.
4. system according to claim 1, it is characterised in that: the end PC has warning module, and the warning module is worked as
Monitoring point can issue red early warning when the position sedimentation on corresponding time-history curves is beyond bound automatically in front of cutterhead.
5. system according to claim 1, it is characterised in that: have automatic data logging in the automation collection electronic box
Instrument.
6. a kind of automatic prison using the shield tunnel ground settlement automatic monitoring and alarming system as described in claim any one of 1-5
Survey method for early warning, it is characterised in that include the following steps:
(1) sample collection: in the operating condition progradation of shield machine normal fluctuation, arranging automated collection systems in advance, acquires in advance
Sample time-history curves initial value；
(2) it determines standard time-history curves upper and lower limit: sample time-history curves group being drawn according to sample time-history curves initial value, in turn
Upper and lower envelope is obtained, respectively as the standard time-history curves upper limit and standard time-history curves lower limit, as early warning system early warning journey
The subsidence range value of sequence；
(3) settlement monitoring: the tunnel axis earth's surface monitoring point difference of different distance in front of the corresponding cutterhead of standard time-history curves
Automated collection systems are laid, the sedimentation value of each monitoring point in cutterhead front during acquisition and monitoring shield driving；
(4) shield machine operating condition is assessed: if the sedimentation value of different distance monitoring point is right without departing from standard time-history curves in front of cutterhead
The upper limit or lower limit for answering position illustrate that current shield machine operating condition is good, can be used as the reference operating condition promoted for a long time；
(5) automatic early-warning: if the sedimentation value of different distance monitoring point is beyond corresponding position on standard time-history curves in front of cutterhead
The upper limit or lower limit, then illustrate current shield machine work condition abnormality, and early warning system receives corresponding information, issues early warning automatically.
7. automatic monitoring and pre-alarming method according to claim 6, which is characterized in that the preparatory collecting sample time-histories of step (1)
The sedimentation that curve initial value specially measures several monitoring points of tunnel axis earth's surface of different distance in front of cutterhead in advance is initial
Value.
8. automatic monitoring and pre-alarming method according to claim 6, which is characterized in that step (1) is further by sample foundation
Slope variation range is divided into five stages: leading infection stage, cutterhead reach the last stage, shield body is deviate from by stage, shield tail
Stage, long-term settlement stage afterwards, can flexibly acquire in five stages some, certain several or all corresponding stage monitor value conduct
Sample cluster obtains the standard time-history curves upper limit and standard time-history curves lower limit.
9. automatic monitoring and pre-alarming method according to claim 6, which is characterized in that step (3) described automated collection systems
It specifically lays several sets to determine according to actual conditions, at least lays a set of, system can be flexibly as shield driving be gradually along tunnel
Mileage is mobile, remains and is monitored to earth's surface in front of shield cutter.
10. automatic monitoring and pre-alarming method according to claim 6, which is characterized in that step (3) has step (31) afterwards:
The sedimentation value in different time course curve stage is in by earth's surface monitoring point in front of monitoring shield cutter, as shield machine is apart from measuring point
It is increasingly closer, it can be realized real-time dynamic monitoring, whether the operating condition of reversed verifying shield machine at this time is reasonable.
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|---|---|---|---|
| CN201811435730.9A CN109322705B (en) | 2018-11-28 | 2018-11-28 | Automatic monitoring and early warning system and early warning method for earth surface subsidence of shield tunnel |
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|---|---|---|---|
| CN201811435730.9A CN109322705B (en) | 2018-11-28 | 2018-11-28 | Automatic monitoring and early warning system and early warning method for earth surface subsidence of shield tunnel |
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| CN109322705B CN109322705B (en) | 2024-01-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111706333A (en) * | 2020-05-27 | 2020-09-25 | 上海市基础工程集团有限公司 | Early warning and measuring system and method applied to shield tunnel interval construction settlement |
| CN111890988A (en) * | 2020-07-15 | 2020-11-06 | 广州小鹏车联网科技有限公司 | Battery thermal runaway detection method and device, battery management system and vehicle |
| CN113806843A (en) * | 2021-09-01 | 2021-12-17 | 北京住总集团有限责任公司 | Deformation analysis system and method based on dynamic fluctuation of bottom of sedimentation tank |
| CN117889823A (en) * | 2024-03-11 | 2024-04-16 | 福建省高速公路科技创新研究院有限公司 | Transfer type monitoring method for vault settlement in tunnel operation period |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111890988A (en) * | 2020-07-15 | 2020-11-06 | 广州小鹏车联网科技有限公司 | Battery thermal runaway detection method and device, battery management system and vehicle |
| CN111890988B (en) * | 2020-07-15 | 2021-12-07 | 广州小鹏汽车科技有限公司 | Battery thermal runaway detection method and device, battery management system and vehicle |
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| CN113806843B (en) * | 2021-09-01 | 2024-05-31 | 北京住总集团有限责任公司 | Deformation analysis system and method based on dynamic fluctuation of sedimentation tank bottom |
| CN117889823A (en) * | 2024-03-11 | 2024-04-16 | 福建省高速公路科技创新研究院有限公司 | Transfer type monitoring method for vault settlement in tunnel operation period |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109322705B (en) | 2024-01-26 |
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