CN105444732A - Rod type longitudinal tunnel settlement measurement rod, equipment and system - Google Patents
Rod type longitudinal tunnel settlement measurement rod, equipment and system Download PDFInfo
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- CN105444732A CN105444732A CN201511020967.7A CN201511020967A CN105444732A CN 105444732 A CN105444732 A CN 105444732A CN 201511020967 A CN201511020967 A CN 201511020967A CN 105444732 A CN105444732 A CN 105444732A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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Abstract
The invention relates to a rod type longitudinal tunnel settlement measurement rod, equipment and system. The measurement equipment comprises multiple connecting rods which are sequentially connected, multiple elastic connectors used for connecting two adjacent connecting rods as well as at least one wireless transceiving module, wherein at least one connecting rod is provided with a tilt angle sensor, each elastic connector is fixed on a corresponding tunnel segment, and each wireless transceiving module is connected with the corresponding tilt angle sensor; each tilt angle sensor is used for measuring a tilt angle of the corresponding connecting rod, and the corresponding wireless transceiving module is used for transmitting first settlement data representing a relative settlement state of two adjacent tunnel segments. Compared with the prior art, the rod type longitudinal tunnel settlement measurement rod, equipment and system have the advantages that the relative longitudinal position between adjacent segments is obtained through tilt angle measurement of the connecting rods, the size is small, the installation is convenient, wireless data transceiving is adopted to realize long-term automatic all-weather wireless monitoring for the longitudinal tunnel settlement, the theory is clear, the structure is simple and clear, and the cost is low.
Description
Technical field
The present invention relates to a kind of tunnel Longitudinal Settlement monitoring technology, especially relate to a kind of rod-type tunnel Longitudinal Settlement sounding rod, equipment and system.
Background technology
Urban rail transit in China development is rapid but history is short, and the seriousness of structural health military service problem is not also known together.As the urban track traffic underground structure of great underground works, residing formation condition is complicated, surrounding enviroment are changeable, train operation very high density, structure constantly declines from performance under many factors comprehensive and long-term action, and underground structure is once damage not easily or non-exchange, and will underground engineering disasters be brought out, being thus on active service to urban track traffic underground structure health proposes high requirement.The healthy military service problem of urban track traffic underground structure in current operation has started to appear, and wherein tunnel Longitudinal Settlement becomes one of key problem affecting the military service of urban track traffic underground structure health.
In view of the Tunnel Passing complex formation in city, and by multiple stratum, the impact of construction factor and earth's surface and surrounding environment, and the track traffic health importance of being on active service and the harm of tunnel Longitudinal Settlement very large, for improving the human-subject test to Longitudinal Settlement, for carrying out perception to tunnel structure health status and control provides Data Source, for tunnel structure health status carries out evaluation and safeguard in time providing actual measurement foundation, avoid or prevent tunnel major event, accident, disaster, protection people life property safety, maintain social stability, necessity and the importance of accurate perception subway tunnel Longitudinal Settlement are unquestionable.
In addition, the development along with technology and the raising to detection requirement, monitoring technology must towards miniaturization, robotization, energy-saving, informationalized trend development.In recent years, the fast development of wireless sensor network technology (WSN) and MEMS sensor, these some emerging technologies affect rapidly by feat of the advantage of himself uniqueness and are applied to monitoring field, hypogee, underground works will be made to monitor and welcome significant innovation.
Existing tunnel Longitudinal Settlement monitoring method has hydrostatic level, artificial measurement of the level, electronic horizontal ruler etc.Its instrument volume of hydrostatic leveling is comparatively large, and inconvenience is installed, and is not suitable for the discrepancy in elevation and changes greatly section, and can be subject to the impact of the factors such as temperature, air pressure, gravity anomaly.Artificial measurement of the level needs staff to hold instrument to enter tunnel, therefore cannot realize the round-the-clock monitoring in operation phase tunnel, can only be used for the tunnel of non-operation state, and artificial measurement of the level is time-consuming takes a lot of work, inefficiency.The disposable input of electronic horizontal ruler is high, and recycling rate of waterused is low, and globality is poor.In recent years, people investigated the monitoring method of the tunnel such as laser scanning method, fiber grating Longitudinal Settlement, but they also exist the shortcoming that some are difficult to overcome.The methods such as laser scanning most instrument and equipment cost is higher, then needs to rely on vehicle to move to complete detection, detects that cycle is longer, efficiency is lower along tunnel total length.And distribution type fiber-optic and fiber grating carry out work by optical principle, need to be equipped with large-scale demodulated equipment in addition, increase extra cost.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of rod-type tunnel Longitudinal Settlement sounding rod, equipment and system are provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of rod-type tunnel Longitudinal Settlement sounding rod, comprising:
Connecting rod, its two ends are individually fixed on two pieces of adjacent tunnel duct pieces;
Obliquity sensor, is located on connecting rod, for measuring connecting rod inclination angle;
Radio receiving transmitting module, to be located on connecting rod and to be connected with obliquity sensor, for externally sending the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states.
Described first settling data is the connecting rod inclination angle that obliquity sensor records, or
Adjacent two pieces of tunnel duct piece relative settlement height:
Δh＝L·sinθ
Wherein: Δ h is adjacent two pieces of tunnel duct piece relative settlement height, and L is length of connecting rod, and θ is connecting rod inclination angle.
The length of described connecting rod is consistent with the width of tunnel duct piece, and the two ends of connecting rod are individually fixed on the mid point of two pieces of adjacent tunnel duct pieces.
A kind of rod-type tunnel Longitudinal Settlement measurement mechanism, comprise the multiple connecting rod, the multiple nonrigid connector for connecting adjacent two connecting rods that connect successively, and at least one radio receiving transmitting module, wherein, at least one connecting rod is provided with obliquity sensor, and each nonrigid connector is individually fixed on each tunnel duct piece, described radio receiving transmitting module is connected with obliquity sensor;
Each obliquity sensor measures the inclination angle of respective link, and externally sends the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states by radio receiving transmitting module.
Described first settling data is the connecting rod inclination angle that obliquity sensor records, or
Adjacent two pieces of tunnel duct piece relative settlement height:
Δh＝L·sinθ
Wherein: Δ h is adjacent two pieces of tunnel duct piece relative settlement height, and L is length of connecting rod, and θ is connecting rod inclination angle.
Described nonrigid connector comprises rubber jointing and fixed mount, and described rubber jointing is fixed on fixed mount, and two ends are connected with adjacent two connecting rods respectively, and described fixed mount is rigidly secured on tunnel duct piece.
The length of described connecting rod is consistent with the width of tunnel duct piece, and each nonrigid connector is individually fixed on the mid point of each tunnel duct piece.
All connecting rods are equipped with obliquity sensor, and obliquity sensor and radio receiving transmitting module integrated.
A kind of measuring system containing any one rod-type tunnel Longitudinal Settlement measurement mechanism above-mentioned, comprise measurement mechanism and receiving station, described receiving station is connected with each radio receiving transmitting module in measurement mechanism, receive the first settling data sent by radio receiving transmitting module, from the first settling data, parse the relative settlement height between each tunnel duct piece, and generate tunnel Longitudinal Settlement curve.
Described receiving station comprises warning module, and this warning module obtains the Longitudinal Settlement value of each tunnel duct piece according to tunnel Longitudinal Settlement curve, and carries out early warning when tunnel duct piece Longitudinal Settlement value exceedes setting value.
Compared with prior art, the present invention has the following advantages:
1) inclination angle by measuring connecting rod obtains the longitudinal relative position between adjacent section of jurisdiction, and volume is little, easy for installation, utilize wireless data transceiving, realize the long-term automatic round-the-clock uninterrupted wireless monitor to tunnel Longitudinal Settlement, theoretical clear, structure is simple and clear, with low cost.
2) fixed mount is rigidly secured on tunnel duct piece, can prevent the generation position, termination of connecting rod from departing from and the measurement distortion caused.
3) length of connecting rod and the width of tunnel duct piece consistent, and each nonrigid connector is individually fixed on the mid point of each tunnel duct piece, can improve measuring accuracy.
4) receiving station generates tunnel Longitudinal Settlement curve, can learn tunnel Longitudinal Settlement existing problems more intuitively.
5) warning module carries out early warning when tunnel duct piece Longitudinal Settlement value exceedes setting value, is convenient to timely repairing.
Accompanying drawing explanation
Fig. 1 is the structural representation of connecting rod of the present invention;
Fig. 2 is the theoretical schematic diagram of calculating between settling height and connecting rod inclination angle;
Fig. 3 is the structural representation of rubber jointing;
Fig. 4 is the structural representation of connecting rod mounting platform;
Fig. 5 is the structural representation of connecting rod and rubber jointing;
Wherein: 1, rubber jointing, 2, connecting rod mounting platform, 3, connecting rod.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
A kind of rod-type tunnel Longitudinal Settlement sounding rod, comprising:
Connecting rod 3, its two ends are individually fixed on the mid point of two pieces of adjacent tunnel duct pieces, and connecting rod 3 can freely rotate up and down, but less around the torsional deflection of connecting rod 3 axial direction;
Obliquity sensor, is located on connecting rod 3, for measuring connecting rod 3 inclination angle;
Radio receiving transmitting module, to be located on connecting rod 3 and to be connected with obliquity sensor, for externally sending the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states, wherein, in order to reach better effect, obliquity sensor and radio receiving transmitting module integrated.
A kind of rod-type tunnel Longitudinal Settlement measurement mechanism based on above-mentioned measuring rod design, comprise the multiple connecting rod 3, the multiple nonrigid connector for connecting adjacent two connecting rods 3 that connect successively, and at least one radio receiving transmitting module, wherein, at least one connecting rod 3 is provided with obliquity sensor, is preferably on all connecting rods 3 and is equipped with obliquity sensor, and each nonrigid connector is individually fixed on each tunnel duct piece, the radio receiving transmitting module on each root connecting rod 3 and obliquity sensor integrated; Each obliquity sensor measures the inclination angle of respective link 3, and externally sends the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states by radio receiving transmitting module.Respective link 3 is wherein the connecting rod 3 of this obliquity sensor installation part.
As shown in Figure 1, connecting rod 3 is the screwed thin bars in two ends, and nonrigid connector comprises rubber jointing 1 and fixed mount, and rubber jointing 1 is fixed on fixed mount, and two ends are connected with adjacent two connecting rods 3 respectively, and fixed mount is rigidly secured on tunnel duct piece.In order to improve measuring accuracy, the length of connecting rod 3 is consistent with the width of tunnel duct piece, and connecting rod 3 is under the requirement meeting stressed, rigidity, and size is as far as possible little, and its laying does not affect tunnel boundary, does not more affect the normal operation in tunnel.And each nonrigid connector is individually fixed on the mid point of each tunnel duct piece.Rubber jointing 1 can make connecting rod 3 freely can rotate up and down around rubber jointing 1, but less around the torsional deflection of connecting rod 3 axial direction.Concrete, the design of nonrigid connector should be able to make connecting rod 3 end and duct pieces of shield tunnel not have relative displacement, and do not affect again connecting rod 3 and freely rotate up and down around nonrigid connector, the structure of rubber jointing 1 is as shown in Figure 2.
Connecting rod 3 inclination angle that first settling data can record for obliquity sensor, follow-up, data receiver, according to this Dip countion settling height etc., further analyzes;
First settling data also can for each connecting rod 3 across adjacent two pieces of tunnel duct piece relative settlement height, adjacent two pieces of tunnel duct piece relative settlement height are specially:
Δh＝L·sinθ
Wherein: Δ h is adjacent two pieces of tunnel duct piece relative settlement height, and L is connecting rod 3 length, and θ is connecting rod 3 inclination angle, is specially level inclination.
As shown in Figure 2, have three nodes, three nodes are respectively the position of three nonrigid connectors, often be equipped with connecting rod 3 between adjacent two nonrigid connectors, obliquity sensor is located at by connecting rod 3, three nodes are separately fixed at the midpoint of three tunnel duct pieces of shield tunnel inwall, when shield tunnel generation Longitudinal Settlement, there is relative vertical displacement in adjacent section of jurisdiction, cause three nodes also to produce identical relative vertical deformation, the distortion of shield tunnel Longitudinal Settlement is changed into rod member axially relatively and the changing value at surface level inclination angle.By measuring rod member changing value that is relatively axial and surface level inclination angle, shield tunnel Longitudinal Settlement is measured.
A kind of measuring system containing any one rod-type tunnel Longitudinal Settlement measurement mechanism above-mentioned, comprise measurement mechanism and receiving station, receiving station is connected with each radio receiving transmitting module in measurement mechanism, receive the first settling data sent by radio receiving transmitting module, from the first settling data, parse the relative settlement height between each tunnel duct piece, and generate tunnel Longitudinal Settlement curve.Tunnel Longitudinal Settlement curve is a curve connected together by each tunnel duct piece point midway.
Receiving station comprises warning module, and this warning module obtains the Longitudinal Settlement value of each tunnel duct piece according to tunnel Longitudinal Settlement curve, and carries out early warning when tunnel duct piece Longitudinal Settlement value exceedes setting value.
Receiving station to the preservation of measurement data, reading, calculating and analysis, the warning of accident and location, and the issue of steering order.
During concrete enforcement, as shown in Figure 4 and Figure 5, connecting rod 3 can configure connecting rod mounting platform 2, connecting rod 3 obliquity sensor and radio receiving transmitting module can be arranged on connecting rod mounting platform 2, as shown in Figure 5,3, connecting rod is through after connecting rod mounting platform 2, and its two ends are connected with two rubber jointings 1 respectively.
Claims (10)
1. a rod-type tunnel Longitudinal Settlement sounding rod, is characterized in that, comprising:
Connecting rod, its two ends are individually fixed on two pieces of adjacent tunnel duct pieces;
Obliquity sensor, is located on connecting rod, for measuring connecting rod inclination angle;
Radio receiving transmitting module, to be located on connecting rod and to be connected with obliquity sensor, for externally sending the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states.
2. a kind of rod-type tunnel according to claim 1 Longitudinal Settlement sounding rod, is characterized in that, described first settling data is the connecting rod inclination angle that obliquity sensor records, or
Adjacent two pieces of tunnel duct piece relative settlement height:
Δh＝L·sinθ
Wherein: Δ h is adjacent two pieces of tunnel duct piece relative settlement height, and L is length of connecting rod, and θ is connecting rod inclination angle.
3. a kind of rod-type tunnel according to claim 1 and 2 Longitudinal Settlement sounding rod, it is characterized in that, the length of described connecting rod is consistent with the width of tunnel duct piece, and the two ends of connecting rod are individually fixed on the mid point of two pieces of adjacent tunnel duct pieces.
4. a rod-type tunnel Longitudinal Settlement measurement mechanism, it is characterized in that, comprise the multiple connecting rod, the multiple nonrigid connector for connecting adjacent two connecting rods that connect successively, and at least one radio receiving transmitting module, wherein, at least one connecting rod is provided with obliquity sensor, and each nonrigid connector is individually fixed on each tunnel duct piece, and described radio receiving transmitting module is connected with obliquity sensor;
Each obliquity sensor measures the inclination angle of respective link, and externally sends the first settling data for characterizing adjacent two pieces of tunnel duct piece relative settlement states by radio receiving transmitting module.
5. a kind of rod-type tunnel according to claim 4 Longitudinal Settlement measurement mechanism, is characterized in that, described first settling data is the connecting rod inclination angle that obliquity sensor records, or
Adjacent two pieces of tunnel duct piece relative settlement height:
Δh＝L·sinθ
Wherein: Δ h is adjacent two pieces of tunnel duct piece relative settlement height, and L is length of connecting rod, and θ is connecting rod inclination angle.
6. a kind of rod-type tunnel according to claim 4 Longitudinal Settlement measurement mechanism, it is characterized in that, described nonrigid connector comprises rubber jointing and fixed mount, described rubber jointing is fixed on fixed mount, and two ends are connected with adjacent two connecting rods respectively, described fixed mount is rigidly secured on tunnel duct piece.
7. a kind of rod-type tunnel according to claim 4 Longitudinal Settlement measurement mechanism, it is characterized in that, the length of described connecting rod is consistent with the width of tunnel duct piece, and each nonrigid connector is individually fixed on the mid point of each tunnel duct piece.
8. a kind of rod-type tunnel according to claim 4 Longitudinal Settlement measurement mechanism, is characterized in that, all connecting rods are equipped with obliquity sensor, and obliquity sensor and radio receiving transmitting module integrated.
9. the measuring system containing, for example arbitrary described rod-type tunnel Longitudinal Settlement measurement mechanism in claim 4-5, it is characterized in that, comprise measurement mechanism and receiving station, described receiving station is connected with each radio receiving transmitting module in measurement mechanism, receive the first settling data sent by radio receiving transmitting module, from the first settling data, parse the relative settlement height between each tunnel duct piece, and generate tunnel Longitudinal Settlement curve.
10. measuring system according to claim 9, it is characterized in that, described receiving station comprises warning module, and this warning module obtains the Longitudinal Settlement value of each tunnel duct piece according to tunnel Longitudinal Settlement curve, and carries out early warning when tunnel duct piece Longitudinal Settlement value exceedes setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020967.7A CN105444732A (en) | 2015-12-30 | 2015-12-30 | Rod type longitudinal tunnel settlement measurement rod, equipment and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020967.7A CN105444732A (en) | 2015-12-30 | 2015-12-30 | Rod type longitudinal tunnel settlement measurement rod, equipment and system |
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| CN105444732A true CN105444732A (en) | 2016-03-30 |
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| CN201511020967.7A Pending CN105444732A (en) | 2015-12-30 | 2015-12-30 | Rod type longitudinal tunnel settlement measurement rod, equipment and system |
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Cited By (7)
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| CN107543514A (en) * | 2016-06-28 | 2018-01-05 | 湖南科技大学 | Single shaft inclination angle positioned alternate deep soil movement monitoring device and its application method |
| CN107543515A (en) * | 2016-06-28 | 2018-01-05 | 湖南科技大学 | Double-shaft tilt angle location deep displacement monitor and its application method |
| CN107543516A (en) * | 2016-06-28 | 2018-01-05 | 湖南科技大学 | Broken-line type single shaft inclination angle location deep displacement monitor and its application method |
| CN108398118A (en) * | 2018-03-30 | 2018-08-14 | 中铁十四局集团有限公司 | Tunnel roof monitoring device and tunnel roof Monitoring method of the subsidence |
| CN111780717A (en) * | 2020-04-28 | 2020-10-16 | 上海新地海洋工程技术有限公司 | Pipe curtain heave monitoring system and monitoring method applied to pipe curtain box culvert construction |
| CN111854686A (en) * | 2020-07-29 | 2020-10-30 | 浙江精工钢结构集团有限公司 | Settlement monitoring system and method based on 5G signal transmission |
| CN114705160A (en) * | 2022-04-10 | 2022-07-05 | 同济大学 | Tunnel longitudinal deformation monitoring system based on flexible sensing device, installation method and settlement algorithm |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107543514A (en) * | 2016-06-28 | 2018-01-05 | 湖南科技大学 | Single shaft inclination angle positioned alternate deep soil movement monitoring device and its application method |
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| CN108398118A (en) * | 2018-03-30 | 2018-08-14 | 中铁十四局集团有限公司 | Tunnel roof monitoring device and tunnel roof Monitoring method of the subsidence |
| CN111780717A (en) * | 2020-04-28 | 2020-10-16 | 上海新地海洋工程技术有限公司 | Pipe curtain heave monitoring system and monitoring method applied to pipe curtain box culvert construction |
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| CN114705160A (en) * | 2022-04-10 | 2022-07-05 | 同济大学 | Tunnel longitudinal deformation monitoring system based on flexible sensing device, installation method and settlement algorithm |
| CN114705160B (en) * | 2022-04-10 | 2023-10-03 | 同济大学 | Tunnel longitudinal deformation monitoring system based on flexible sensing device, installation method and sedimentation algorithm |
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