CN109577389A - A kind of prestress anchorage cable intelligent monitoring device and its installation method - Google Patents
A kind of prestress anchorage cable intelligent monitoring device and its installation method Download PDFInfo
- Publication number
- CN109577389A CN109577389A CN201910007364.5A CN201910007364A CN109577389A CN 109577389 A CN109577389 A CN 109577389A CN 201910007364 A CN201910007364 A CN 201910007364A CN 109577389 A CN109577389 A CN 109577389A
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- mounting bracket
- monitor
- cable
- steel strand
- strand wires
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of prestress anchorage cable intelligent monitoring device and its installation methods, including bracket, intelligent monitor, monitor cable, intelligent monitor mounting bracket and grout pipe and its installation method.The intelligent monitor is installed in intelligent monitor mounting bracket;The intelligent monitor has concatenated function;The intelligent monitor can need integrated to include but is not limited to the elements such as three axis accelerometer, three axis magnetic compasses, stress strain guage, three axis high-precision tilt angle sensors, displacement sensor, gyroscope according to measurement.The installation steps include the installation of the designing and producing of bracket, intelligent monitor mounting bracket and intelligence sensor and the arrangement of sensor cable;The present invention can carry out the real-time monitoring of comprehensive displacement and deformation to anchor cable, so that the working condition and safety to anchor cable are assessed.
Description
Technical field
The present invention relates to engineering monitoring fields, specifically prestress anchorage cable deformation and displacement intelligent monitoring device and installation side
Method.
Background technique
Geotechnical engineering anchorage technology is an important branch in current geotechnical engineering field, with its validity and economy,
It is used widely in the energy, traffic, water conservancy and urban construction field, important work has especially been played in numerous heavy constructions
With.The complexity of the engineering-environment as locating for bolt-supported structure and the concealment of underground engineering, people are to its working condition, effect
And durability growing interest.Reliability and safety to bolt-supported structure carry out the detection and evaluation of science, are used for the longevity
Life is accurately assessed, and is current urgent problem.
Detection is carried out to the anchor cable in work and monitoring is to obtain the directly effective means of its working condition.At present detection and
The method of monitoring mainly has: pulling capacity detection, pressure sensor detection, ultrasound examination, fiber-optic grating sensor intelligence anchor cable,
Magnetic flux detection and reinforcing rib meter etc..These methods respectively have advantage and disadvantage.Pulling capacity detection and pressure sensor detection can be to anchor cables
Stretching force detected, but it is deformed and can not be detected.Ultrasound examination can the anchoring weight to anchor cable detect,
It may determine that the information such as anchoring body void positions and dimensions, but deformation and displacement can not also be measured.Fiber grating passes
Sensor intelligence anchor cable, magnetic flux detection and reinforcing rib meter can be monitored the deformation of anchor cable axial direction, but can not be to other directions
Deformation is monitored.
Anchor cable completely reliable 3 D deformation and displacement information are obtained in engineering, can greatly be improved to its work shape
The accuracy and reliability of state judgement, to improve to the safety of anchor structure and the assessment of long durability and judgement.
Summary of the invention
The purpose of the present invention is to provide a kind of deformation of prestress anchorage cable and displacement intelligent monitoring device and installation method, energy
Enough displacements and deformation on prestress anchorage cable three-dimensional are monitored, and understand the working condition of prestress anchorage cable, in solution
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of prestress anchorage cable intelligent monitoring device, including steel strand wires and bracket, the steel strand wires are arranged on bracket, institute
It states and is provided with grouting pore, back-grouting pore and intelligent monitor cable aperture on bracket;Grout pipe and back-grouting pipe difference
Across the grouting pore and the back-grouting pore, the intelligent monitor cable aperture is used for through monitor cable, institute
Stating prestress anchorage cable intelligent monitoring device further includes intelligent monitor and intelligent monitor mounting bracket, the intelligent monitor peace
It fills bracket and is equipped with mounting bracket steel strand wires fixinig plate, mounting bracket steel strand wires fixinig plate bolt, mounting bracket steel strand wires gasket
With mounting bracket monitor clamping screw.
Further, the intelligent monitor is installed in intelligent monitor mounting bracket, is monitored by mounting bracket
Instrument clamping screw is fixed to form entirety with intelligent monitor mounting bracket, and intelligent monitor is enable to install branch with intelligent monitor
Frame compatible deformation and movement;The intelligent monitor mounting bracket is twisted by mounting bracket steel strand wires gasket and mounting bracket steel
Line fixinig plate is connected with two adjacent steel strand wires, and is locked by mounting bracket steel strand wires fixinig plate bolt and steel strand wires.
Further, the mounting bracket steel strand wires gasket is to have the thread groove being adapted with steel strand wires inside two panels
Rigid material composition, can be wrapped on the outside of steel strand wires and form cylindrical outer shape, and can by mounting bracket steel strand wires fixinig plate with
Mounting bracket steel strand wires fixinig plate bolt and intelligent monitor mounting bracket are locked;
Further, mounting bracket steel strand wires gasket internal whorl slot structure makes it that can only relatively rotate to be formed with steel strand wires
Along the axial displacement of steel strand wires, intelligent monitor mounting bracket is twisted with two steel strand wires lockings to limit any mounting bracket steel
The relative rotation of line gasket makes intelligent monitor mounting bracket and steel strand wires form entirety, reaches compatibility of deformation.
Further, multiple intelligent monitor mounting brackets and intelligent monitor are installed in anchor cable, pass through monitor electricity
Cable tandem carries out data communication and power supply, and monitor cable draws connection data acquisition instrument on the inside of anchor cable anchor head.
Further, the intelligent monitor needs to be integrated at least one or more of following elements according to measurement:
Three axis accelerometer, three axis magnetic compasses, stress strain guage, three axis high-precision tilt angle sensors, displacement sensor, gyroscope.
A kind of installation method of prestress anchorage cable intelligent monitoring device, which is characterized in that including following installation steps:
Step 1: support Design is carried out according to anchorage cable design, the setting addition intelligent monitor cable aperture on bracket, or
Support Design is carried out during anchorage cable design simultaneously, it is ensured that intelligent monitor cable hole site, by designing and producing bracket;
Step 2: in anchor cable manufacturing process, intelligent monitor mounting bracket being installed in the position for needing to monitor, and install
Intelligent monitor passes through mounting bracket steel strand wires fixinig plate, mounting bracket steel strand wires fixinig plate bolt and mounting bracket steel strand wires
Intelligent monitor and intelligent monitor mounting bracket and intelligent monitor mounting bracket and steel strand wires are locked shape respectively by gasket
At compatibility of deformation structure;If you need to install multiple intelligent monitors, just corresponding position installation intelligent monitor mounting bracket and
Intelligent monitor is simultaneously connected;
Step 3: the monitor cable of intelligent monitor is led into anchor head position;
Step 4: monitoring for protection instrument cable is paid attention in anchor cable installation, grouting and stretching process, by monitor after anchor cable installation
Cable leads to outside from side and is protected;
Step 5: protection is sealed to monitor cable exposure position.
Step 6: monitor cable being connect with data collecting instrument and carries out data sampling and processing and monitoring.Detailed description of the invention
Fig. 1 is overall structure diagram in the present invention.
Fig. 2 is grout pipe scheme of installation in the present invention.
Fig. 3 is intelligent monitor scheme of installation in the present invention.
Fig. 4 is intelligent monitor installation figure in detail in the present invention.
Fig. 5 is supporting structure schematic diagram in the present invention.
Fig. 6 is mounting bracket steel strand wires gasket schematic diagram in the present invention.
Fig. 7 is that mounting bracket steel strand wires gasket and steel strand wires contact schematic diagram in the present invention.
Fig. 8 is that supporting structure is schemed in detail in the present invention.
Fig. 9 is that intelligent monitor is schemed in detail in the present invention.
Figure 10 is that bracket is schemed in detail in the present invention.
Wherein, 1- steel strand wires;2- bracket;201- grouting pore;202- back-grouting pore;203- intelligent monitor cable
Hole;301- grout pipe;302- back-grouting pipe;4- intelligent monitor;401- monitor cable;5- intelligent monitor installation branch
Frame;501- mounting bracket steel strand wires fixinig plate;502- mounting bracket steel strand wires fixinig plate bolt;503- mounting bracket steel strand wires pad
Piece;504- mounting bracket monitor clamping screw.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear and complete
Description.It should be appreciated that the embodiments described below are only present invention a part, and not all embodiment.Based on this
Embodiment in invention, every other embodiment obtained, belongs to the present invention without making creative work
The range of protection.
A kind of prestress anchorage cable intelligent monitoring device as Figure 1-10 shows, including steel strand wires 1, bracket 2, be in the milk pore
201, back-grouting pore 202, intelligent monitor cable aperture 203, grout pipe 301, back-grouting pipe 302, intelligent monitor 4,
Monitor cable 401, intelligent monitor mounting bracket 5, mounting bracket steel strand wires fixinig plate 501, mounting bracket steel strand wires are fixed
Piece bolt 502, mounting bracket steel strand wires gasket 503, mounting bracket monitor clamping screw 504.
Wherein, bracket 2 is equipped with grouting pore 201, back-grouting pore 202 and intelligent monitor cable aperture 203, function
Have the function of anchor cable centering bracket, while intelligent monitor cable can be passed through.
Wherein, intelligent monitor 4 is installed in intelligent monitor mounting bracket 5, passes through mounting bracket monitor locking screw
Bolt 504 is fixed to form entirety with intelligent monitor mounting bracket 5, enables intelligent monitor 4 and intelligent monitor mounting bracket 5
Compatible deformation and movement;The intelligent monitor mounting bracket 5 passes through mounting bracket steel strand wires gasket 503 and mounting bracket steel
Twisted wire fixinig plate 501 is connected with two adjacent steel strand wires 1, and is twisted by mounting bracket steel strand wires fixinig plate bolt 502 and steel
Line 1 is locked.
Wherein, mounting bracket steel strand wires gasket 503 is to have having for the thread groove being adapted with steel strand wires inside two panels
The material composition of certain rigidity, can be wrapped on the outside of steel strand wires 1 and form cylindrical outer shape, and can be solid by mounting bracket steel strand wires
Stator 501 and mounting bracket steel strand wires fixinig plate bolt 502 and intelligent monitor mounting bracket 5 are locked;Due to mounting bracket steel
503 internal whorl slot structure of twisted wire gasket, which relatively rotate it can only with steel strand wires 1, could form the position axial along steel strand wires 1
It moves, and intelligent monitor mounting bracket 5 and two lockings of steel strand wires 1 are to limit any mounting bracket steel strand wires gasket 503
It relatively rotates, therefore intelligent monitor mounting bracket 5 and steel strand wires 1 is made to form entirety, reach compatibility of deformation.
Wherein, intelligent monitor 4 has concatenated function, and multiple intelligent monitor mounting brackets can be installed in anchor cable
5 and intelligent monitor 4, pass through 401 tandem of monitor cable and carries out data communication and power supply;Monitor cable 401 is last
Connection data acquisition instrument is drawn on the inside of anchor cable anchor head.
Wherein, intelligent monitor 4 can need integrated to include but is not limited to three axis accelerometer, three axis magnetic sieve according to measurement
The elements such as disk, stress strain guage, three axis high-precision tilt angle sensors, displacement sensor, gyroscope.
The installation method of above-mentioned prestress anchorage cable intelligent monitoring device, including following installation steps:
Step 1: bracket 2 is carried out according to anchorage cable design and is designed, the setting addition intelligent monitor cable aperture 203 on bracket 2,
Or the design of bracket 2 is carried out during anchorage cable design simultaneously, it is ensured that 203 position of intelligent monitor cable aperture is propped up by designing and producing
Frame 2;
Step 2: in anchor cable manufacturing process, intelligent monitor mounting bracket 5 being installed in the position for needing to monitor, and install
Intelligent monitor 4 passes through mounting bracket steel strand wires fixinig plate 501, mounting bracket steel strand wires fixinig plate bolt 502 and mounting bracket
Steel strand wires gasket 503 respectively by intelligent monitor 4 and intelligent monitor mounting bracket 5 and intelligent monitor mounting bracket 5 with
The locking of steel strand wires 1 forms compatibility of deformation structure;If you need to install multiple intelligent monitors 4, intelligence prison just is installed in corresponding position
It surveys instrument mounting bracket 5 and intelligent monitor 4 and is connected;
Step 3: the monitor cable 401 of intelligent monitor 4 is led into anchor head position;
Step 4: monitoring for protection instrument cable 401 is paid attention in anchor cable installation, grouting and stretching process, it will monitoring after anchor cable installation
Instrument cable 401 leads to outside from side and is protected;
Step 5: protection is sealed to 401 exposure position of monitor cable.
Step 6: monitor cable 401 being connect with data collecting instrument and carries out data sampling and processing and monitoring.
It is clear that the invention is not restricted to the details of above-described embodiment.Above-described embodiment should be considered to be it is exemplary, rather than limit
Property processed.The scope of the present invention is defined by the following claims, and the meaning including falling in the equivalent requirements of the claims and model
Enclose interior all changes.Any appended drawing reference in claim is not construed as having limitation to related claim
Property.
In addition, this specification should be considered as an entirety, above embodiment and the unique independent technique side of non-present invention
Case, the technical solution in embodiment can be properly combined adjustment, be formed the skilled addressee will appreciate that other embodiments.
Claims (7)
1. a kind of prestress anchorage cable intelligent monitoring device, which is characterized in that including steel strand wires (1) and bracket (2), the steel strand wires
(1) it is arranged on bracket (2), grouting pore (201), back-grouting pore (202) and intelligence prison is provided on the bracket (2)
It surveys instrument cable aperture (203);Grout pipe (301) and back-grouting pipe (302) are each passed through the grouting pore (201) and described two
Secondary grouting pore (202), the intelligent monitor cable aperture (203) are used for through monitor cable (401), the prestressed anchor
Rope intelligent monitoring device further includes intelligent monitor (4) and intelligent monitor mounting bracket (5), the intelligent monitor installation branch
Frame (5) is equipped with mounting bracket steel strand wires fixinig plate (501), mounting bracket steel strand wires fixinig plate bolt (502), mounting bracket steel
Twisted wire gasket (503) and mounting bracket monitor clamping screw (504).
2. prestress anchorage cable intelligent monitoring device according to claim 1, it is characterised in that the intelligent monitor (4)
It is installed in intelligent monitor mounting bracket (5), passes through mounting bracket monitor clamping screw (504) fixation and intelligent monitor
Mounting bracket (5) forms entirety, makes intelligent monitor (4) can be with intelligent monitor mounting bracket (5) compatible deformation and movement;
The intelligent monitor mounting bracket (5) passes through mounting bracket steel strand wires gasket (503) and mounting bracket steel strand wires fixinig plate
(501) it is connected with two adjacent steel strand wires (1), and passes through mounting bracket steel strand wires fixinig plate bolt (502) and steel strand wires (1)
Locking.
3. prestress anchorage cable intelligent monitoring device according to claim 1, which is characterized in that the mounting bracket steel strand wires
Gasket (503) is that there is the rigid material for the thread groove being adapted with steel strand wires to form inside two panels, can be wrapped in steel strand wires (1)
Outside forms cylindrical outer shape, and can pass through mounting bracket steel strand wires fixinig plate (501) and mounting bracket steel strand wires fixinig plate spiral shell
Bolt (502) and intelligent monitor mounting bracket (5) are locked.
4. prestress anchorage cable intelligent monitoring device according to claim 3, the internal spiral shell of mounting bracket steel strand wires gasket (503)
Groove structure makes it that can only relatively rotate the axial displacement formed along steel strand wires (1), intelligent monitor installation branch with steel strand wires (1)
Frame (5) limits the relative rotation of any mounting bracket steel strand wires gasket (503) with two steel strand wires (1) lockings, makes intelligence
Monitor mounting bracket (5) and steel strand wires (1) form entirety, reach compatibility of deformation.
5. prestress anchorage cable intelligent monitoring device according to claim 1, which is characterized in that install multiple intelligence in anchor cable
Can monitor mounting bracket (5) and intelligent monitor (4), by monitor cable (401) tandem progress data communication and
Power supply, monitor cable (401) draw connection data acquisition instrument on the inside of anchor cable anchor head.
6. prestress anchorage cable intelligent monitoring device according to claim 1, which is characterized in that the intelligent monitor (4)
It is needed to be integrated at least one or more of following elements: three axis accelerometer, three axis magnetic compasses, ess-strain according to measurement
Meter, three axis high-precision tilt angle sensors, displacement sensor, gyroscope.
7. a kind of installation method of prestress anchorage cable intelligent monitoring device a method as claimed in any one of claims 1 to 5, which is characterized in that
Including following installation steps:
Step 1: bracket (2) design being carried out according to anchorage cable design, the setting addition intelligent monitor cable aperture on bracket (2)
(203) or during anchorage cable design bracket (2) design is carried out simultaneously, it is ensured that intelligent monitor cable aperture (203) position is pressed
Design and produce bracket (2);
Step 2: in anchor cable manufacturing process, in position installation intelligent monitor mounting bracket (5) for needing to monitor, and intelligence being installed
Energy monitor (4) passes through mounting bracket steel strand wires fixinig plate (501), mounting bracket steel strand wires fixinig plate bolt (502) and installation
Bracket steel strand wires gasket (503) respectively pacifies intelligent monitor (4) and intelligent monitor mounting bracket (5) and intelligent monitor
Dress bracket (5) and steel strand wires (1) locking form compatibility of deformation structure;If you need to install multiple intelligent monitors (4), just corresponding
Position installation intelligent monitor mounting bracket (5) and intelligent monitor (4) are simultaneously connected;
Step 3: the monitor cable (401) of intelligent monitor (4) is led into anchor head position;
Step 4: monitoring for protection instrument cable (401) are paid attention in anchor cable installation, grouting and stretching process, by monitor after anchor cable installation
Cable (401) leads to outside from side and is protected;
Step 5: protection is sealed to monitor cable (401) exposure position.
Step 6: monitor cable (401) being connect with data collecting instrument and carries out data sampling and processing and monitoring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910007364.5A CN109577389B (en) | 2019-01-04 | 2019-01-04 | Intelligent monitoring device for prestressed anchor cable and installation method thereof |
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CN201910007364.5A CN109577389B (en) | 2019-01-04 | 2019-01-04 | Intelligent monitoring device for prestressed anchor cable and installation method thereof |
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CN109577389A true CN109577389A (en) | 2019-04-05 |
CN109577389B CN109577389B (en) | 2020-07-07 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110359501A (en) * | 2019-07-05 | 2019-10-22 | 深圳宏业基岩土科技股份有限公司 | Free section of anchor cable steel strand wires stress measurement structure |
CN111189744A (en) * | 2020-03-16 | 2020-05-22 | 广西交通科学研究院有限公司 | Device and method for detecting grouting compactness of duct |
CN111830433A (en) * | 2020-06-03 | 2020-10-27 | 深圳华物信联科技有限公司 | High-precision cable monitor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3941914A (en) * | 1974-05-31 | 1976-03-02 | The Furukawa Electric Co., Ltd. | Damper for an overhead transmission line |
CN104790393B (en) * | 2015-04-23 | 2017-04-12 | 万军利 | Double-anchoring-section prestress anchor cable structure and constructing method thereof |
CN106759318A (en) * | 2016-12-13 | 2017-05-31 | 中国水利水电科学研究院 | Suitable for rock side slope supporting and the intelligent anchor cable system and its fixing means of monitored over time |
CN105780822B (en) * | 2016-03-11 | 2018-09-25 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring instrument equipment and its setting method that underwater delaminating deposition measures |
-
2019
- 2019-01-04 CN CN201910007364.5A patent/CN109577389B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3941914A (en) * | 1974-05-31 | 1976-03-02 | The Furukawa Electric Co., Ltd. | Damper for an overhead transmission line |
CN104790393B (en) * | 2015-04-23 | 2017-04-12 | 万军利 | Double-anchoring-section prestress anchor cable structure and constructing method thereof |
CN105780822B (en) * | 2016-03-11 | 2018-09-25 | 水利部交通运输部国家能源局南京水利科学研究院 | The monitoring instrument equipment and its setting method that underwater delaminating deposition measures |
CN106759318A (en) * | 2016-12-13 | 2017-05-31 | 中国水利水电科学研究院 | Suitable for rock side slope supporting and the intelligent anchor cable system and its fixing means of monitored over time |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110359501A (en) * | 2019-07-05 | 2019-10-22 | 深圳宏业基岩土科技股份有限公司 | Free section of anchor cable steel strand wires stress measurement structure |
CN110359501B (en) * | 2019-07-05 | 2021-05-11 | 深圳宏业基岩土科技股份有限公司 | Stress measurement structure for steel strand at free section of anchor cable |
CN111189744A (en) * | 2020-03-16 | 2020-05-22 | 广西交通科学研究院有限公司 | Device and method for detecting grouting compactness of duct |
CN111830433A (en) * | 2020-06-03 | 2020-10-27 | 深圳华物信联科技有限公司 | High-precision cable monitor |
CN111830433B (en) * | 2020-06-03 | 2022-11-29 | 深圳华物信联科技有限公司 | High-precision cable monitor |
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