CN204405507U - The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process - Google Patents
The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process Download PDFInfo
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- CN204405507U CN204405507U CN201520105813.7U CN201520105813U CN204405507U CN 204405507 U CN204405507 U CN 204405507U CN 201520105813 U CN201520105813 U CN 201520105813U CN 204405507 U CN204405507 U CN 204405507U
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Abstract
The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process of the present utility model, comprises monitoring terminal case, the original position entity core of concrete circular cylindricality structure, public noble potential contrast electrode, four to ten lengths of rebar electrodes and integrated signal line; Public noble potential contrast electrode is axially set in the center of described original position entity core, lengths of rebar electrode is at axial direction equidistant arrangement successively in the shape of a spiral, and be angularly radial setting along the periphery of original position entity core, public noble potential contrast electrode is connected with monitoring terminal case signal by integrated signal line with lengths of rebar electrode.Its advantage is that structure is simple, easy for installation, theoretical reliable; It by obtaining original position entity core from in-service prevention of marine concrete structures, on core, after installing electrodes, original position reinstalls, eventually through electricity, the electrochemical parameter of the in-service maritime concrete of the Dynamic Acquisition that monitoring terminal case is long-term, thus realize the monitoring to in-service prevention of marine concrete structures.
Description
Technical field
The utility model relates to concrete reinforcement corrosion process monitoring technical field, especially for the monitoring of in-service maritime concrete arrangement of reinforcement corrosion process, and the specifically original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process.
Background technology
Along with the sustainable growth of economy, China just carries out infrastructure construction largest in history with unprecedented investment, with regard to East Zhejiang province is coastal, that has built up has Construction of Hangzhou Bay Cross-sea Bridge, Zhoushan bridge spanning the sea, Ningbo-Zhoushan Port construction project etc., and can the permanance of concrete in marine environment structure reach a standard, can the engineering life-span reach designing requirement, is the great realistic problem of pendulum in face of us.
The main cause that in-service prevention of marine concrete structures permanance declines is that arrangement of reinforcement corrodes expansion because of the intrusion of chlorion.A large amount of investigation shows: be in the beam slab spattering district along wave, the post in fluctuation of water table district, occurs often less than 10 years the time of suitable muscle spalling.The solution that can solve concrete in marine environment Structural Endurance Problem of present common accreditation is " permanance bamboo product ", " permanance bamboo product " is reliable, economical, and the prerequisite implementing " permanance bamboo product " solution is exactly the information feed back dynamically obtaining structure original position entity permanance key parameter.
The serious financial consequences brought in view of concrete structure durability deficiency and the wasting of resources, domestic and international researchist, through the unremitting effort of decades, develops the apparatus and method of many monitoring Steel Bars in Concrete Structures corrosion.But, due to the complex nature of the problem, generally can only obtain direct or indirect corrosion monitoring signal at design and construction stage pre-buried all kinds of sensing device at present, but then corresponding monitoring means is still lacked for the infrastructure concrete structure engineering built up.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provides structure simple, and simple installation, monitors the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process easily.
The utility model solves the problems of the technologies described above adopted technical scheme:
The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process, comprise the monitoring terminal case including to match with high impedance steel bar corrosion measuring instrument coupling or remote signal transmitter, also comprise the original position entity core of concrete circular cylindricality structure, public noble potential contrast electrode, four to ten lengths of rebar electrodes and integrated signal line; Described public noble potential contrast electrode is axially set in the center of described original position entity core; Described lengths of rebar electrode at axial direction equidistant arrangement successively in the shape of a spiral, and along the periphery of original position entity core in angularly radial setting; Described public noble potential contrast electrode is connected with monitoring terminal case signal by integrated signal line with lengths of rebar electrode.
For optimizing technique scheme, the measure taked also comprises:
Above-mentioned public noble potential contrast electrode is connected with described monitoring terminal case signal by contrast electrode signal wire, the end axis of public noble potential contrast electrode is to offering signal string holes, contrast electrode signal wire is inserted in this signal string holes, and is fixed by the equipotential screw be arranged on described public noble potential contrast electrode sidewall.
Above-mentioned lengths of rebar electrode is connected with described monitoring terminal case signal respectively by lengths of rebar electrode signal line, and lengths of rebar electrode signal line is fixed along the outer wall of described original position entity core.
Above-mentioned lengths of rebar electrode is less than or equal to 10mm in the spacing of axial direction equidistant arrangement.
Above-mentioned public noble potential contrast electrode is platinum electrode.
Compared with prior art, the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process of the present utility model, the original position entity core of cylindrical structural arranges public noble potential contrast electrode and lengths of rebar electrode, public noble potential contrast electrode is axially set in the center of described original position entity core, lengths of rebar electrode is arranged in order in axial direction spiral fashion, and arrange radially along the periphery of original position entity core, lengths of rebar electrode is at axial direction equidistant arrangement; This original position entity monitoring device structure is simple, easy for installation, and its monitoring method is theoretical ripe.
This monitoring device by obtaining original position entity core from in-service prevention of marine concrete structures, and electrode is installed on this original position entity core, and then by the Stress transmit of structure glue, original position entity core original position is reinstalled in in-service prevention of marine concrete structures, eventually through electricity, the electrochemical parameter of the in-service maritime concrete of the Dynamic Acquisition that monitoring terminal case is long-term, thus realize the monitoring to in-service prevention of marine concrete structures.Subsequently through the Monitoring Data obtained, analyze the arrangement of reinforcement corrosion condition judging in-service prevention of marine concrete structures, make dynamic forecasting, to make maintenance scheme in time, ensure the safe operation of in-service prevention of marine concrete structures, more contribute to the raising in prevention of marine concrete structures serviceable life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation that original position entity core original position of the present utility model installs back in-service prevention of marine concrete structures;
Fig. 4 is the structural representation that the utility model the 6th lengths of rebar electrode is installed on original position entity core;
Fig. 5 is the structural representation that in Fig. 1, public noble potential contrast electrode is connected with contrast electrode signal wire.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 to Fig. 5 is structural representation of the present utility model.
Reference numeral is wherein: monitoring terminal case 1, original position entity core 2, public noble potential contrast electrode 3, signal string holes 31, equipotential screw 32, first lengths of rebar electrode 41, second lengths of rebar electrode 42, the 3rd lengths of rebar electrode 43, the 4th lengths of rebar electrode 44, the 5th lengths of rebar electrode 45, the 6th lengths of rebar electrode 46, integrated signal line 5, contrast electrode signal wire 51, lengths of rebar electrode signal line 52.
As shown in Figures 1 to 5,
The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process of the present utility model, comprise the monitoring terminal case 1 including to match with high impedance steel bar corrosion measuring instrument coupling or remote signal transmitter, it is characterized in that: the original position entity core 2 also comprising concrete circular cylindricality structure, public noble potential contrast electrode 3, four to ten lengths of rebar electrodes and integrated signal line 5; Described public noble potential contrast electrode 3 is axially set in the center of described original position entity core 2, described lengths of rebar electrode is at axial direction equidistant arrangement successively in the shape of a spiral, and be angularly radial setting along the periphery of original position entity core 2, described public noble potential contrast electrode 3 is connected with monitoring terminal case 1 signal by integrated signal line 5 with lengths of rebar electrode.
In embodiment, lengths of rebar electrode adopts six, is respectively the first lengths of rebar electrode 41, second lengths of rebar electrode 42, the 3rd lengths of rebar electrode 43, the 4th lengths of rebar electrode 44, the 5th lengths of rebar electrode 45 and the 6th lengths of rebar electrode 46.
In embodiment, public noble potential contrast electrode 3 is connected with described monitoring terminal case 1 signal by contrast electrode signal wire 51, the end axis of public noble potential contrast electrode 3 is to offering signal string holes 31, contrast electrode signal wire 51 is inserted in this signal string holes 31, and is fixed by the equipotential screw 32 be arranged on described public noble potential contrast electrode 3 sidewall.
During wiring, first equipotential screw 32 is unscrewed, then contrast electrode signal wire 51 is inserted in signal string holes 31, and then equipotential screw 32 is tightened and contrast electrode signal wire 51 is fixed.In order to ensure the reliability of fixing, when contrast electrode signal wire 51 inserts signal string holes 31, its end extends the bottom of signal string holes 31 as far as possible.The fixing means of public noble potential contrast electrode 3 and lengths of rebar electrode signal line 51 is equally applicable to fixing between lengths of rebar electrode and lengths of rebar electrode signal line 52.
In embodiment, lengths of rebar electrode is connected with described monitoring terminal case 1 signal respectively by lengths of rebar electrode signal line 52, and lengths of rebar electrode signal line 52 is fixed along the outer wall of described original position entity core 2.Each bar lengths of rebar electrode signal line 52 is arranged in parallel, makes lengths of rebar electrode signal line 52 proper alignment fixing to facilitate.
In embodiment, lengths of rebar electrode is less than or equal to 10mm in the spacing of axial direction equidistant arrangement.The spacing of arrangement is less than or equal to 10mm, is according to half-cell prtential Cleaning Principle, considers the resistance between lengths of rebar electrode and public noble potential contrast electrode 3 and grand electric current original state consistance, the process that convenient calculating later stage corrosion is de-blunt.
In embodiment, public noble potential contrast electrode 3 is platinum electrode.
Using method of the present utility model:
Step one, obtain original position entity core 2 from in-service maritime concrete, then in position entity core 2 is offered the mounting hole suitable with public noble potential contrast electrode 3, lengths of rebar electrode, and each electrode is installed in corresponding mounting hole, connect integrated signal line 5, and integrated signal line 5 is drawn; Be installed to before in corresponding mounting hole at each electrode, graphite spraying powder in mounting hole; The junction insulating epoxy of each integrated signal line and each electrode seals, and extension epoxy glue is fixed;
The exit weld monitor header signal tie point of step 2, integrated signal line 5, and protect with insulating epoxy sealing;
Step 3, original position entity core 2 original position installing electrode is installed to in-service maritime concrete get core position, and carry out Stress transmit and conservation treatment by structure glue to getting core position; Original position entity core 2 original position is installed to in-service maritime concrete get core position before, first in the lab detection calibration is carried out to the work condition of each electrode, to ensure that original position entity core 2 original position can normally be monitored after reinstalling;
Step 4, the electrical impedance measuring lengths of rebar electrode with monitoring terminal case 1 successively, corrosion current and corrosion potential gesture, and preserve data to be analyzed time use; Namely measure the data at the first lengths of rebar electrode 41, second lengths of rebar electrode 42, the 3rd lengths of rebar electrode 43, the 4th lengths of rebar electrode 44, the 5th lengths of rebar electrode 45 and the 6th lengths of rebar electrode 46 place successively, and preserve;
Step 5, the signal data gathered is carried out to filter and makes an uproar, revises and Mathematical Fitting, and compare with removing blunt of reinforcing steel bar beforehand research compound criterion, draw project durability early warning conclusion.
The utility model obtains original position entity core 2 from in-service prevention of marine concrete structures, and electrode is installed on this original position entity core 2, and then original position entity core 2 original position is reinstalled in in-service prevention of marine concrete structures, obtained electricity, the electrochemical parameter of in-service maritime concrete by monitoring terminal case 1 long-term dynamics, thus realize the monitoring to in-service prevention of marine concrete structures; Overcome the defect that existing monitoring technology cannot record in-service prevention of marine concrete structures original position data.Subsequently through the Monitoring Data obtained, analyze the arrangement of reinforcement corrosion condition judging in-service prevention of marine concrete structures, make dynamic forecasting, to make maintenance scheme in time, ensure the safe operation of in-service prevention of marine concrete structures, more contribute to the raising in prevention of marine concrete structures serviceable life.
Function and significance of the present utility model:
The first, by accepting the passive corrosion signal of in-service prevention of marine concrete structures arrangement of reinforcement, necessary judgement is carried out to current corrosion condition, determine the position on the front sharp side of reinforcement corrosion, utilize the front sharp side of corrosion to advance speed can extrapolate structure reinforcing bars and take off the blunt time, there is provided the early warning that early stage, to grasp best opportunity, the in time launch emergency provision safeguarding and repair or more effective counter-measure in the future.
The second, in-service engineering maintenance is brought up to predictability active maintenance level from damage maintenance.Formulation take permanance as the maintenance of concrete structure strategy of core, needs to obtain corrosion conditions of reinforcement for information about, and adjusts operation of engineering projects parameter according to this.
Three, the data that this monitoring device gathers can also the interpretation process set of data change and they associating concrete structure reinforcing bars corrosion rate, analyze corrosion control subprocess variation and with corrosion control parameter, or the effect of the permanance lift technique adopted is judged, and carries out the forecast being in reinforcement corrosion induction period or Corrosion developing phase or corrosion and destruction phase and structure residual life successively.The change of the process set of data refers to along with peripheral temperature, and the change of public noble potential contrast electrode and the interelectrode concrete electric impedance of lengths of rebar and corrosion current and corrosion potential in xoncrete structure is installed in the surrounding medium changes such as humidity.
Most preferred embodiment of the present utility model is illustrated, and the various change made by those of ordinary skill in the art or remodeling all can not depart from scope of the present utility model.
Claims (5)
1. the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process, comprise the monitoring terminal case (1) including to match with high impedance steel bar corrosion measuring instrument coupling or remote signal transmitter, it is characterized in that: the original position entity core (2) also comprising concrete circular cylindricality structure, public noble potential contrast electrode (3), four to ten lengths of rebar electrodes and integrated signal line (5); Described public noble potential contrast electrode (3) is axially set in the center of described original position entity core (2), described lengths of rebar electrode is at axial direction equidistant arrangement successively in the shape of a spiral, and be angularly radial setting along the periphery of original position entity core (2), described public noble potential contrast electrode (3) is connected with monitoring terminal case (1) signal by integrated signal line (5) with lengths of rebar electrode.
2. the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process according to claim 1, it is characterized in that: described public noble potential contrast electrode (3) is connected with described monitoring terminal case (1) signal by contrast electrode signal wire (51), the end axis of described public noble potential contrast electrode (3) is to offering signal string holes (31), described contrast electrode signal wire (51) is inserted in this signal string holes (31), and fixed by the equipotential screw (32) be arranged on described public noble potential contrast electrode (3) sidewall.
3. the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process according to claim 2, it is characterized in that: described lengths of rebar electrode is connected with described monitoring terminal case (1) signal respectively by lengths of rebar electrode signal line (52), and described lengths of rebar electrode signal line (52) is fixed along the outer wall of described original position entity core (2).
4. the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process according to claim 3, is characterized in that: described lengths of rebar electrode is less than or equal to 10mm in the spacing of axial direction equidistant arrangement.
5. the original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process according to claim 4, is characterized in that: described public noble potential contrast electrode (3) is platinum electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105813.7U CN204405507U (en) | 2015-02-13 | 2015-02-13 | The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105813.7U CN204405507U (en) | 2015-02-13 | 2015-02-13 | The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process |
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| CN204405507U true CN204405507U (en) | 2015-06-17 |
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| CN201520105813.7U Withdrawn - After Issue CN204405507U (en) | 2015-02-13 | 2015-02-13 | The original position entity monitoring device of existing RC structures arrangement of reinforcement corrosion process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655552A (en) * | 2015-02-13 | 2015-05-27 | 宁波工程学院 | In-situ solid monitoring device and in-situ solid monitoring method for in-service concrete structure reinforcing bar corrosion process |
| CN105547990A (en) * | 2016-02-04 | 2016-05-04 | 爱德森（厦门）电子有限公司 | Device and method for in-situ monitoring reinforced concrete |
-
2015
- 2015-02-13 CN CN201520105813.7U patent/CN204405507U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655552A (en) * | 2015-02-13 | 2015-05-27 | 宁波工程学院 | In-situ solid monitoring device and in-situ solid monitoring method for in-service concrete structure reinforcing bar corrosion process |
| CN104655552B (en) * | 2015-02-13 | 2018-02-02 | 宁波工程学院 | The entity monitoring device and method in situ of existing RC structures arrangement of reinforcement corrosion process |
| CN105547990A (en) * | 2016-02-04 | 2016-05-04 | 爱德森（厦门）电子有限公司 | Device and method for in-situ monitoring reinforced concrete |
| CN105547990B (en) * | 2016-02-04 | 2018-06-29 | 爱德森（厦门）电子有限公司 | A kind of armored concrete reinforcing bar in-situ monitoring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20180202 |