CN105259944A - Anti-corrosion method and system for bridge box girder structural parts - Google Patents
Anti-corrosion method and system for bridge box girder structural parts Download PDFInfo
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- CN105259944A CN105259944A CN201510783420.6A CN201510783420A CN105259944A CN 105259944 A CN105259944 A CN 105259944A CN 201510783420 A CN201510783420 A CN 201510783420A CN 105259944 A CN105259944 A CN 105259944A
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- dehumidifier
- box girder
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Abstract
The invention discloses an anti-corrosion method for bridge box girder structural parts. The humidity concentration in a box girder is fundamentally controlled, so that the steel structure of the box girder is not corroded by external environmental factors. The method comprises the steps of (1) acquiring the on-site humidity data inside the box girder by a humidity acquisition device, and feeding back the acquired on-site humidity data to a system control center in real time to realize the real-time monitoring process of the on-site humidity and the on-site temperature at the system control center; on the condition that the humidity inside the box girder exceeds a predetermined warning value, turning to the step (2); (2) starting the operation of a dehumidifier to reduce the humidity inside the box girder; on the condition that the humidity inside the box girder is smaller than a predetermined safety value, stopping the operation of the dehumidifier and turning to the step (1).
Description
Technical field
The present invention relates to a kind of anticorrosive method, be specifically related to a kind of anticorrosive method and system of bridge Box Girder structural member.Belong to technical field of civil engineering.
Background technology
Steel box-girder, is again steel plate box beam, is the version that Large Span Bridges is conventional, is generally used on the larger bridge of span.The anticorrosive method of existing bridge Box Girder structure mainly contains three kinds: (1) paint spraying; (2) structural member surface galvanizing (aluminium), hot spray painted zinc (aluminium); (3) structural shielding and sealing structure, filling measure, is reduced by structural measure and overlooks link and etching condition, slowing down corrosion.But; these three kinds of methods can not fundamentally control box beam humidity, and humidity is the main reason of case joist steel structure erosion, although classic method can delay the slow extent of corrosion of steel construction in case beam; but passing in time, above measure can lose the protection to case joist steel structure gradually.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of bridge Box Girder structural member anticorrosive method, the fundamentally concentration of control box beam humidity, make case joist steel structure not reach the required external environment condition that is corroded.
Present invention also offers the anticorrosive system that the method is corresponding.
For achieving the above object, the present invention adopts following technical proposals:
A kind of anticorrosive method of bridge Box Girder structural member, comprises step:
(1) on-the-spot in humidity collector vasculum beam humidity data, and Real-time Feedback is to System Control Center, thus realize the Real-Time Monitoring of System Control Center to scene temperature and humidity, when case beam humidity exceedes the early warning value of setting, enter step (2);
(2) dehumidifier is started working, and case beam humidity is declined, and when case beam humidity is lower than the safety value set, stops dehumidifier work, returns step (1).
Described System Control Center is realized by wireless data transmission module and data transmission between humidity collector and dehumidifier.
In described step (2), System Control Center sends signal to wireless data transmission module, opens or closes the numerical control switch between dehumidifier and power supply by on-scene communication control bus, thus realizes dehumidifier and start or quit work.
In described step (2), System Control Center is according to the operating power of situ wet angle value adjustment dehumidifier.
The anticorrosive system of bridge Box Girder structural member that said method is corresponding, comprise System Control Center, and be arranged at several dehumidifiers in case beam and at least one humidity collector, described dehumidifier and humidity collector are connected in parallel on on-scene communication control bus, and described on-scene communication control bus is communicated with System Control Center by wireless data transmission module.
Described anticorrosive system also comprises power supply, and it is directly connected with humidity collector, is connected by numerical control switch with dehumidifier.
Described System Control Center is computing machine.
Described humidity collector is humidity sensor.
Described humidity collector is spaced apart with the distance of L/10, and wherein, L is case beam length.
For the bridge being less than or equal to 1000 meters, dehumidifier is arranged at L/4,3L/4 position respectively; For the bridge being greater than 1000 meters, dehumidifier is arranged at L/8,3L/8,5L/8,7L/8 position respectively, and wherein, L is case beam length.
Principle of work of the present invention:
The present invention is by the temperature in Real-Time Monitoring case beam and humidity data, and feed back to System Control Center, System Control Center, by the on-the-spot humidity data returned, regulates the operating power of the dehumidifier at scene, within making the humidity in case beam remain on setting value.
Beneficial effect of the present invention:
The present invention introduces intelligent sensor technology, and Precise collection situ wet degrees of data, compares traditional safeguard procedures, and the more direct reason to causing problem to occur is monitored in real time, in conjunction with traditional process for protecting, makes the measure of case beam steel structure anti-corrosion more effective.
Accompanying drawing explanation
Fig. 1 is anticorrosive system architecture schematic diagram of the present invention;
Fig. 2 is field device schematic diagram of the present invention;
Wherein, 1 is System Control Center, and 2 is humidity collector, and 3 is dehumidifier, and 4 is on-scene communication control bus, and 5 is numerical control switch, and 6 is power supply, and 7 is case beam, and 8 is wireless data transmission module.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further elaborated, should be noted that following explanation is only to explain the present invention, not limiting its content.
Embodiment 1:
As depicted in figs. 1 and 2, the anticorrosive system of bridge Box Girder structural member of the present invention, comprise System Control Center 1, and the power supply 6, several dehumidifiers 3 and at least one humidity collector 2 that are arranged in case beam 7, dehumidifier 3 and humidity collector 2 are connected in parallel on on-scene communication control bus 4, and on-scene communication control bus 4 is communicated with System Control Center 1 by wireless data transmission module 8.Power supply 6 is directly connected with humidity collector 2, is connected by numerical control switch with dehumidifier 3.
Bridge bridge main span is 1000 meters, needs dehumidifier 2, is arranged on 250m, 750m place respectively; Need humidity collector 10, be arranged on 50m, 150m, 250m, 350m, 450m, 550m, 650m, 750m, 850m, 950m place respectively.Wherein, System Control Center 1 is computing machine, and humidity collector 2 is humidity sensor.
Corresponding, the anticorrosive method of bridge Box Girder structural member, comprises step:
(1) on-the-spot in humidity collector 2 vasculum beam 7 humidity data, and Real-time Feedback is to System Control Center 1, thus realize the Real-Time Monitoring of System Control Center 1 pair of scene temperature and humidity, when case beam 7 humidity exceedes the early warning value (humidity 35% of setting, the ultimate value of humidity is 45%) time, enter step (2);
(2) dehumidifier 3 is started working, and case beam 7 humidity is declined, and when case beam 7 humidity is lower than safety value (humidity 25%) that sets, stops dehumidifier 3 to work, returns step (1).System Control Center 1 sends signal to wireless data transmission module 8, opens or closes the numerical control switch 5 between dehumidifier 3 and power supply 6 by on-scene communication control bus 4, thus realizes dehumidifier 3 and start or quit work; System Control Center 1 is according to the operating power of situ wet angle value adjustment dehumidifier 3.
Wherein, System Control Center 1 is realized by wireless data transmission module 8 and data transmission between humidity collector 2 and dehumidifier 3.
The present invention is by the temperature in Real-Time Monitoring case beam 7 and humidity data, and feed back to System Control Center 1, System Control Center 1, by the on-the-spot humidity data returned, regulates the operating power of the dehumidifier 3 at scene, within making the humidity in case beam 7 remain on setting value.
Embodiment 2:
Bridge bridge main span is 2000 meters, needs dehumidifier 4, is arranged on 250m, 750m, 1250m, 1750m place respectively; Need humidity collector 20, be arranged on 50m, 150m, 250m, 350m, 450m, 550m, 650m, 750m, 850m, 950m, 1050m, 1150m, 1250m, 1350m, 1450m, 1550m, 1650m, 1750m, 1850m, 1950m place respectively.
All the other are with embodiment 1.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. the anticorrosive method of bridge Box Girder structural member, is characterized in that, comprise step:
(1) on-the-spot in humidity collector vasculum beam humidity data, and Real-time Feedback is to System Control Center, thus realize the Real-Time Monitoring of System Control Center to scene temperature and humidity, when case beam humidity exceedes the early warning value of setting, enter step (2);
(2) dehumidifier is started working, and case beam humidity is declined, and when case beam humidity is lower than the safety value set, stops dehumidifier work, returns step (1).
2. the anticorrosive method of a kind of bridge Box Girder structural member according to claim 1, is characterized in that, described System Control Center is realized by wireless data transmission module and data transmission between humidity collector and dehumidifier.
3. the anticorrosive method of a kind of bridge Box Girder structural member according to claim 1, it is characterized in that, in described step (2), System Control Center sends signal to wireless data transmission module, open or close the numerical control switch between dehumidifier and power supply by on-scene communication control bus, thus realize dehumidifier and start or quit work.
4. the anticorrosive method of a kind of bridge Box Girder structural member according to claim 1, is characterized in that, in described step (2), System Control Center is according to the operating power of situ wet angle value adjustment dehumidifier.
5. the anticorrosive system of bridge Box Girder structural member that method according to any one of Claims 1 to 4 is corresponding, it is characterized in that, comprise System Control Center, and be arranged at several dehumidifiers in case beam and at least one humidity collector, described dehumidifier and humidity collector are connected in parallel on on-scene communication control bus, and described on-scene communication control bus is communicated with System Control Center by wireless data transmission module.
6. anticorrosive system according to claim 5, is characterized in that, described anticorrosive system also comprises power supply, and it is directly connected with humidity collector, is connected by numerical control switch with dehumidifier.
7. anticorrosive system according to claim 5, is characterized in that, described System Control Center is computing machine.
8. anticorrosive system according to claim 5, is characterized in that, described humidity collector is humidity sensor.
9. anticorrosive system according to claim 5, is characterized in that, described humidity collector is spaced apart with the distance of L/10, and wherein, L is case beam length.
10. anticorrosive system according to claim 5, is characterized in that, for the bridge being less than or equal to 1000 meters, dehumidifier is arranged at L/4,3L/4 position respectively; For the bridge being greater than 1000 meters, dehumidifier is arranged at L/8,3L/8,5L/8,7L/8 position respectively, and wherein, L is case beam length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783420.6A CN105259944A (en) | 2015-11-16 | 2015-11-16 | Anti-corrosion method and system for bridge box girder structural parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783420.6A CN105259944A (en) | 2015-11-16 | 2015-11-16 | Anti-corrosion method and system for bridge box girder structural parts |
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| CN105259944A true CN105259944A (en) | 2016-01-20 |
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| CN201510783420.6A Pending CN105259944A (en) | 2015-11-16 | 2015-11-16 | Anti-corrosion method and system for bridge box girder structural parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107065956A (en) * | 2017-04-13 | 2017-08-18 | 深圳市科兰德实业发展有限公司 | A kind of method and system of the dehumidification equipment of control bridge drag-line |
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| CN2639816Y (en) * | 2003-06-24 | 2004-09-08 | 宁波市机电工业研究设计院 | Frequency conversion type artificial temp. and humidity regulation apparatus |
| CN103092226A (en) * | 2011-11-08 | 2013-05-08 | 珠海格力电器股份有限公司 | Frequency conversion cabinet and control method and device thereof |
| CN102980782A (en) * | 2012-06-13 | 2013-03-20 | 南京大学 | Heterogeneous sensor network and method for bridge and major infrastructure structure safety monitoring and early warning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107065956A (en) * | 2017-04-13 | 2017-08-18 | 深圳市科兰德实业发展有限公司 | A kind of method and system of the dehumidification equipment of control bridge drag-line |
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