CN205280639U - Monitoring of apparent crack of concrete material and detecting system - Google Patents
Monitoring of apparent crack of concrete material and detecting system Download PDFInfo
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- CN205280639U CN205280639U CN201521060507.2U CN201521060507U CN205280639U CN 205280639 U CN205280639 U CN 205280639U CN 201521060507 U CN201521060507 U CN 201521060507U CN 205280639 U CN205280639 U CN 205280639U
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Abstract
The utility model relates to a monitoring of apparent crack of concrete material and detecting system, in concrete sample a plurality of regions, independently paint the conducting coating in S type route, every S type conducting coating sets up electrically conductive paster from beginning to end, electrically conductive paster passes through the wire and is connected with the multi -channel data acquisition card, fissured production and size can result in the conducting coating resistance to change on the concrete, and multi -channel data acquisition card collection resistance change information storage erupts simultaneously and gives remote computer, and the resistance change curve is made to the computer. To the concrete product real -time supervision under the natural environment, obtain time, position and the big or small information of concrete product feather checking and detect time, position and the big or small information of acquisition concrete product feather checking under environmental factor such as different humitures, CO2 concentration and acid solution concentration to environmental control incasement concrete sample. The utility model discloses can be effectively to concrete product apparent crack monitoring with detect, with low costs.
Description
Technical field
This utility model relates to the apparent Crack Monitoring of concrete material and detection system.
Background technology
Concrete material is due to the impact of the factors such as temperature stress, dry and cracked, the acid-rain corrosion of plasticity, the apparent crack that variety classes is multi-form can be produced, the serviceability of the generation strong influence in these apparent cracks concrete material and outward appearance, the formation in research crack, greatly facilitates effect to the overall performance improving concrete material.
But owing to the life cycle of concrete material is longer, time point, position and size that apparent crack occurs have randomness clearly, and therefore, the monitoring in the apparent crack of concrete material has positive realistic meaning for the holistic approach of material.
Traditional monitoring method and device, be generally adopted sonic transducer, CCD imaging etc., and instrument cost is generally higher, and only possesses simple monitoring function, it is impossible to considers the environmental factors impacts on the apparent crack of concrete material such as humiture.
Utility model content
The purpose of this utility model is in that: can effectively to the apparent Crack Monitoring of concrete product and detection, the apparent Crack Monitoring of concrete material that cost is low and detection system for solving problem above offer one.
First technical scheme that this utility model adopts is such that
A kind of apparent Crack Monitoring system of concrete material, including near-end computer, distal information acquisition system, both wired connections; Described distal information acquisition system includes multi-Channel Data Acquisition Card, data storage and information collecting device, and described data storage and information collecting device are all connected with described multi-Channel Data Acquisition Card; Described information collecting device be on concrete sample at least one side multiple regions, independently smear the conductive coating in S type path, each S type conductive coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card by wire.
Further, described distal information acquisition system also includes wireless transmitter, and it is connected with described multi-Channel Data Acquisition Card; Described near-end computer and distal information acquisition system wireless connections.
Second technical scheme that this utility model adopts is such that
A kind of apparent crack detection system of concrete material, including near-end computer, distal information acquisition system, both wired connections; Described distal information acquisition system includes multi-Channel Data Acquisition Card, data storage and information collecting device, and described data storage and information collecting device are all connected with described multi-Channel Data Acquisition Card; Described information collecting device is on concrete sample at least one side, independently smears the conductive coating in S type path, and each S type conductive coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card by wire; Described information collecting device is arranged in canister.
Further, described distal information acquisition system also includes wireless transmitter, and it is connected with described multi-Channel Data Acquisition Card; Described near-end computer and distal information acquisition system wireless connections.
Further, in described canister, it is provided with temperature and humidity controller.
Further, in described canister, it is additionally provided with concrete carbonization case and/or concrete sulphate drying and watering cycle case.
In sum, owing to adopting technique scheme, the beneficial effects of the utility model are:
This utility model by organizing closed-loop path more, connect each independent face (or each independent part) of (arbitrary shape) concrete material sample respectively, accurate measurements is carried out for the time point of crack appearance on each, position, and the humiture (temperature and humidity is the principal element affecting concrete material mechanical property) of environment can be controlled, the impact that humiture fracture produces can be considered, reach the purpose of detection. In addition, this utility model has data storage and data transmission device, and under outdoor-monitoring environment, the information real-time monitored can store and by being wirelessly transmitted on house computers or such as no data network, can automatic storage in data storage, periodic collection.
Accompanying drawing explanation
Fig. 1 is this utility model monitoring system construction drawing;
Fig. 2 is this utility model detection system construction drawing;
Fig. 3 is this utility model specimen surface conductive coating structure chart;
Fig. 4 is this utility model specimen surface conductive coating structure chart to be detected.
Labelling in figure: 1, computer; 2, distal information acquisition system; 21, multi-Channel Data Acquisition Card; 22, wireless transmitter; 23, data storage; 24, information collecting device; 3, canister; 31, temperature and humidity controller; 32, concrete carbonization case; 33, concrete sulphate drying and watering cycle case.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in figs. 1 and 3, a kind of apparent Crack Monitoring system of concrete material, it is mainly used in the long-time tracking and monitoring in some apparent cracks of concrete material goods being exposed under uncontrollable environmental condition such as road surface, metope, bridge floor; This system includes near-end computer 1, distal information acquisition system 2, and both wirelessly or non-wirelessly connect; Described distal information acquisition system 2 includes multi-Channel Data Acquisition Card 21, data storage 23, wireless transmitter 22 and information collecting device 24, and described data storage 23, wireless transmitter 22 and information collecting device 24 are all connected with described multi-Channel Data Acquisition Card 21; Described information collecting device 24 be on concrete sample at least one side multiple regions, independently smear the conductive coating in S type path; Each S type conductive coating head and the tail arrange Electricity conductive plaster; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card 21 by wire.
When some face of sample cracks, the conductive coating of crack surfaces produces to stretch, the resistance value of whole coating changes, the resistance curve that computer 1 collects also there will be fluctuation, thus have recorded the time that crackle occurs, simultaneously the amplitude size according to curve fluctuation, can determine that the size of crackle, simultaneously because each every piece region is independent recorded separately, so determining on the basis of crack time of origin, it is also possible to determine that crack occurs in which block region of which plane.
The monitoring method of the apparent Crack Monitoring system of a kind of concrete material, comprises the steps:
(1) outdoor concrete material basal plane to be monitored is chosen;
(2) on its at least one side multiple regions, independently smear the conductive coating in S type path, as randomly selected on metope or road surface, multiple region or bridge positive and negative all select multiple region, each zone conducts current coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with multi-Channel Data Acquisition Card, and the generation in crack and size can cause that conductive coating resistance changes;
(3) each change in resistance information of computer acquisition, makes change in resistance curve;
(4) observe change in resistance curve and learn concrete product apparent crack time of origin, position and size cases, reach monitoring purpose.
As shown in Figures 2 and 4, a kind of apparent crack detection system of concrete material, it is based primarily upon laboratory research, and a situation arises to detect or test the apparent crack of concrete material goods by control environmental factors change; This system includes near-end computer 1, distal information acquisition system 2, and both wirelessly or non-wirelessly connect; Described distal information acquisition system 2 includes multi-Channel Data Acquisition Card 21, data storage 23, wireless transmitter 22 and information collecting device 24, and described data storage 23, wireless transmitter 22 and information collecting device 24 are all connected with described multi-Channel Data Acquisition Card 21; Described information collecting device 24 is on concrete sample at least one side, independently smears the conductive coating in S type path, and each S type conductive coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card 21 by wire; Described information collecting device 24 is arranged in canister 3; In enclosed environment, a situation arises to detect the apparent crack of concrete product by control humiture change.
In described canister 3, it is provided with temperature and humidity controller 31, changes the humiture in canister 3 by temperature and humidity controller 31, in order to detect relation between concrete apparent crack and temperature and humidity conditions and impact.
Being additionally provided with concrete carbonization case 32 in described canister 3, it can discharge the carbon dioxide of certain concentration, in order to detect relation between concrete apparent crack and CO2 concentration and impact.
In described canister 3, it is additionally provided with concrete sulphate drying and watering cycle case 33, adopts the acidic attack solution of variable concentrations to remove the acid rain environment of simulation variable concentrations, in order to detect relation between concrete apparent crack and acid rain and impact.
When some face of sample cracks, the conductive coating of crack surfaces produces to stretch, the resistance value of whole coating changes, the resistance curve that computer 1 collects also there will be fluctuation, thus have recorded the time that crackle occurs, simultaneously the amplitude size according to curve fluctuation, may determine that the size of crackle, simultaneously because each face is separate from record, so determining on the basis of crack time of origin, it is also possible to determine which plane crack occurs in.
A kind of detection method of the apparent crack detection system of concrete material, its step is as follows:
(1) concrete sample to be detected is taken some, sample can be the concrete product of same composition material, it is also possible to is the concrete product of different composition material, same material sample can be formed and organize contrast more, multiple sample can be detected again simultaneously, improve efficiency; In order to facilitate experiment that sample can be made cuboid or cube structure, it is positioned in canister 3;
(2) independently smear the conductive coating in S type path in 6 faces of each sample, conductive coating head and the tail arrange Electricity conductive plaster, and described Electricity conductive plaster is connected with multi-Channel Data Acquisition Card, and the generation in crack and size can cause that conductive coating resistance changes;
(3) by controlling the change of canister 3 environment factor, computer 1 gathers each, each sample change in resistance information under varying environment conditions, makes change in resistance curve;
(4) observe curve and learn concrete material apparent crack time of origin, position and size cases under varying environment conditions, reach testing goal.
Temperature and humidity controller 31 it is provided with, concrete material apparent crack time of origin, position and size cases under the different temperature and humidity conditions of detection in described canister 3; Concrete carbonization case 32 and/or concrete sulphate drying and watering cycle case 33 is also set up in described canister 3; When constant temperature and humidity, concrete material apparent crack time of origin, position and size cases under the different density of carbon dioxide gas of detection or under different acidic attack solution concentration.
Above-mentioned detection is based primarily upon humiture, gas concentration lwevel and the impact on the apparent crack of concrete material goods of some essential environmental factors of acidic attack solution concentration, if other envirment factors on the apparent crack of concrete material goods produce influential environmental factors all because including the protection domain of this utility model in.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately.
Claims (6)
1. the apparent Crack Monitoring system of concrete material, it is characterised in that: include near-end computer, distal information acquisition system, both wired connections; Described distal information acquisition system includes multi-Channel Data Acquisition Card, data storage and information collecting device, and described data storage and information collecting device are all connected with described multi-Channel Data Acquisition Card; Described information collecting device be on concrete sample at least one side multiple regions, independently smear the conductive coating in S type path, each S type conductive coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card by wire.
2. a kind of apparent Crack Monitoring system of concrete material according to claim 1, it is characterised in that: described distal information acquisition system also includes wireless transmitter, and it is connected with described multi-Channel Data Acquisition Card; Described near-end computer and distal information acquisition system wireless connections.
3. the apparent crack detection system of concrete material, it is characterised in that: include near-end computer, distal information acquisition system, both wired connections; Described distal information acquisition system includes multi-Channel Data Acquisition Card, data storage and information collecting device, and described data storage and information collecting device are all connected with described multi-Channel Data Acquisition Card; Described information collecting device is on concrete sample at least one side, independently smears the conductive coating in S type path, and each S type conductive coating arranges Electricity conductive plaster from beginning to end; Described Electricity conductive plaster is connected with described multi-Channel Data Acquisition Card by wire; Described information collecting device is arranged in canister.
4. a kind of apparent crack detection system of concrete material according to claim 3, it is characterised in that: described distal information acquisition system also includes wireless transmitter, and it is connected with described multi-Channel Data Acquisition Card; Described near-end computer and distal information acquisition system wireless connections.
5. a kind of apparent crack detection system of concrete material according to claim 4, it is characterised in that: in described canister, it is provided with temperature and humidity controller.
6. a kind of apparent crack detection system of concrete material according to claim 5, it is characterised in that: in described canister, it is additionally provided with concrete carbonization case and/or concrete sulphate drying and watering cycle case.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521060507.2U CN205280639U (en) | 2015-12-18 | 2015-12-18 | Monitoring of apparent crack of concrete material and detecting system |
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| CN201521060507.2U CN205280639U (en) | 2015-12-18 | 2015-12-18 | Monitoring of apparent crack of concrete material and detecting system |
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| CN205280639U true CN205280639U (en) | 2016-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687082A (en) * | 2020-12-31 | 2021-04-20 | 云南省建筑科学研究院 | Concrete crack remote monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687082A (en) * | 2020-12-31 | 2021-04-20 | 云南省建筑科学研究院 | Concrete crack remote monitoring device |
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