CN209280719U - A kind of device for monitoring and repairing for concrete damage - Google Patents
A kind of device for monitoring and repairing for concrete damage Download PDFInfo
- Publication number
- CN209280719U CN209280719U CN201822042906.6U CN201822042906U CN209280719U CN 209280719 U CN209280719 U CN 209280719U CN 201822042906 U CN201822042906 U CN 201822042906U CN 209280719 U CN209280719 U CN 209280719U
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- Prior art keywords
- protective layer
- liquid storage
- repairing
- monitoring
- resistance
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- 230000006378 damage Effects 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 title claims description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000010358 mechanical oscillation Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009418 renovation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The device that the utility model discloses a kind of to monitor and repair for concrete damage; the device includes: liquid storage cavity; separation layer, resistance to compression protective layer and the waterproof insulation protective layer being successively coated on the external side wall of liquid storage chamber, and the piezoelectric ceramics sensing element being arranged between the separation layer and resistance to compression protective layer;Wherein, the piezoelectric ceramics sensing element is connect with external signal reciever by bus;The top and bottom of the liquid storage cavity are equipped with several micropores, are filled with crack repair materials in the liquid storage chamber body.The device of the utility model can preferably be repaired, additionally it is possible to monitor concrete damage by discharging from inside by crack repair materials to realize.
Description
Technical field
The utility model relates to a kind of concrete prosthetic devices, and in particular to one kind is monitored and repaired for concrete damage
Device.
Background technique
Concrete structure is most one of the architecture structure form of current usage amount, however concrete is as a kind of porous
Fragile material inevitably generates the damage such as crack, abrasion, erosion and freeze thawing under the influence of use process and surrounding enviroment
Wound, gently can then reduce the service life of concrete structure, the heavy then safety of crisis structure.
In the damage that construction and normal service stage generate generally in the inside of concrete structure, visually it is difficult to judge that it is
It is no that the position and degree that damage and damage occur occurs.Therefore, to the undetectable crackle of concrete and injury repair, become
It is extremely difficult, or even can not be achieved.In traditional artificial reparation damages of concrete structures method, renovation agent is nearly all storage
There are the outside of structure, renovation agent is transmitted in crack area by when reparation by mechanical pressure, to repair in concrete structure
The damage in portion.But this passive type concrete repair mode maintenance cost is high, and repairing effect is poor.
Utility model content
The device that the purpose of the utility model is to provide a kind of to monitor and repair for concrete damage, which solves
Traditional problem that renovation agent is transmitted to repairing effect difference in crack area by mechanical pressure, can be by that will split from inside
Repair materials release is stitched, is preferably repaired to realize.
In order to achieve the above object, the utility model provides a kind of device for monitoring and repairing for concrete damage,
The device includes: liquid storage cavity, and separation layer, resistance to compression protective layer and the waterproof insulation being successively coated on the external side wall of liquid storage chamber are protected
Sheath, and the piezoelectric ceramics sensing element being arranged between the separation layer and resistance to compression protective layer.
Wherein, the piezoelectric ceramics sensing element is connect with external signal reciever by bus;The liquid storage cavity
Top and bottom be equipped with several micropores, crack repair materials are filled in the liquid storage chamber body.
Preferably, the piezoelectric ceramics sensing element includes: piezoelectric ceramic piece.
Preferably, the piezoelectric ceramic piece is piezoelectric ceramic piece NAC2002.
Preferably, the resistance to compression protective layer is epoxy resin resistance to compression protective layer.
Preferably, the material of the epoxy resin resistance to compression protective layer is KRTL525 selfcurable insulative waterproof protective material.
Preferably, the liquid storage cavity, separation layer, resistance to compression protective layer and waterproof insulation protective layer are square.
Preferably, the piezoelectric ceramics sensing element is connect with external signal reciever by signal transmitting and receiving conducting wire.
Preferably, methyl methacrylate adhesive is filled in the liquid storage chamber body.
The device for monitoring and repairing for concrete damage of the utility model solves traditional by mechanical pressure general
Renovation agent is transmitted to the problem of repairing effect difference in crack area, has the advantage that
The device of the utility model can be sensed by that will be filled with the liquid storage cavity of crack repair materials in piezoelectric ceramics
Under the effect of vibration of element, crack repair materials are discharged from micropore, to realize the effect for repairing crack;
The device of the utility model, in the case where applying external communication electric field, generates mechanical vibration by piezoelectric ceramics sensing element
Dynamic, the mechanical oscillation of structure react on piezoelectric ceramics sensing element again, so that piezoelectric ceramics sensing element is generated electroresponse, specifically
Resistance antinoise signal is shown as, the variation of resistance antinoise signal is analyzed, can analyze out inside concrete degree of impairment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device for monitoring and repairing for concrete damage of the utility model.
Fig. 2 is the top view of the device for monitoring and repairing for concrete damage of the utility model.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of device for monitoring and repairing for concrete damage, as shown in Figure 1, being used for concrete for the utility model
The structural schematic diagram of damage monitoring and the device of reparation, as shown in Fig. 2, for the utility model for concrete damage monitoring and
The top view of the device of reparation, which includes: liquid storage cavity 1, be successively coated on separation layer 3 on 1 lateral wall of liquid storage cavity,
Resistance to compression protective layer 5 and waterproof insulation protective layer 6, and the piezoelectric ceramics sensing being arranged between separation layer 3 and resistance to compression protective layer 5
Element 4.
Wherein, piezoelectric ceramics sensing element 4 is connect with external signal reciever by bus;The top of liquid storage cavity 1 and
Bottom is equipped with several micropores, is filled with crack repair materials in the liquid storage cavity 1.The setting of separation layer 3 prevents outside liquid storage cavity 1
Liquid leakage in liquid storage cavity 1.
Further, piezoelectric ceramics sensing element 4 includes: piezoelectric ceramic piece.Piezoelectric ceramics have respond it is fast, at low cost,
Simply and the advantages that good reliability, also with piezoelectric effect, the mutual conversion of mechanical energy and electric energy may be implemented in form.This is practical
Novel piezoelectric ceramic piece is simultaneously used as actuator and sensor, when applying AC field to piezoelectric material, piezoelectric material
Mechanical oscillation can be generated, while driving structure vibrates.The mechanical oscillation of structure react on piezoelectric ceramic piece again, make piezoelectricity
Potsherd generates electroresponse, is embodied in electrical impedance and changes.
Further, piezoelectric ceramic piece is piezoelectric ceramic piece NAC2002.
Further, resistance to compression protective layer 5 is epoxy resin resistance to compression protective layer.
Further, the material of epoxy resin resistance to compression protective layer is KRTL525 selfcurable insulative waterproof protective material.
Further, liquid storage cavity 1, separation layer 3, resistance to compression protective layer 5 and waterproof insulation protective layer 6 are square.
Further, piezoelectric ceramics sensing element 4 is connect with external signal reciever by signal transmitting and receiving conducting wire 2.
Further, methyl methacrylate adhesive is filled in liquid storage cavity 1.
The working principle of the device for monitoring and repairing for concrete damage of the utility model, specific as follows:
The position that crack easily occurs according to measuring and calculating wall, is placed in the position for the device of the utility model in wall construction
In the concrete set.
When carrying out concrete damage monitoring, external communication electric field is applied to piezoelectric ceramics sensing element 4, piezoelectric ceramics passes
Sensing unit 4 can generate mechanical oscillation, and the mechanical oscillation of structure react on piezoelectric ceramics sensing element 4 again, pass piezoelectric ceramics
Sensing unit 4 generates electroresponse, is embodied in resistance antinoise signal, analyzes the variation of resistance antinoise signal, can analyze out concrete
Internal injury situation.
When carrying out concrete reparation, biggish external communication electric field is applied to piezoelectric ceramic piece and is motivated, piezoelectric ceramic piece
Mechanical oscillation drive liquid storage cavity 1 vibrate the crack repair materials filled in liquid storage cavity 1 to be oozed out from micropore, repair
Inside concrete crack extends concrete service life.
Embodiment 1
A kind of device for monitoring and repairing for concrete damage, include: liquid storage cavity 1 is successively coated on liquid storage cavity 1
Separation layer 3, resistance to compression protective layer 5 and waterproof insulation protective layer 6 in lateral wall surrounding, and setting are anti-in separation layer 3 and resistance to compression
Piezoelectric ceramics sensing element 4 between sheath 5.The top and bottom of liquid storage cavity 1 are equipped with several micropores, in the liquid storage cavity 1
Filled with methyl methacrylate adhesive.
Liquid storage cavity 1, separation layer 3, resistance to compression protective layer 5 and waterproof insulation protective layer 6 are square.
Piezoelectric ceramics sensing element 4 uses piezoelectric ceramic piece NAC2002, passes through signal transmitting and receiving with external signal reciever
Conducting wire 2 connects.
Resistance to compression protective layer 5 is epoxy resin resistance to compression protective layer, using KRTL525 selfcurable insulative waterproof protective material.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (8)
1. a kind of device for monitoring and repairing for concrete damage, which is characterized in that the device includes: liquid storage cavity (1), according to
The secondary separation layer (3) being coated on liquid storage cavity (1) lateral wall, resistance to compression protective layer (5) and waterproof insulation protective layer (6), and
The piezoelectric ceramics sensing element (4) being arranged between the separation layer (3) and resistance to compression protective layer (5);
Wherein, the piezoelectric ceramics sensing element (4) is connect with external signal reciever by bus;The liquid storage cavity
(1) top and bottom are equipped with several micropores, are filled with crack repair materials in the liquid storage cavity (1).
2. the device according to claim 1 for monitoring and repairing for concrete damage, which is characterized in that the piezoelectricity
Ceramic sense element (4) includes: piezoelectric ceramic piece.
3. the device according to claim 2 for monitoring and repairing for concrete damage, which is characterized in that the piezoelectricity
Potsherd is piezoelectric ceramic piece NAC2002.
4. the device according to claim 1 for monitoring and repairing for concrete damage, which is characterized in that the resistance to compression
Protective layer (5) is epoxy resin resistance to compression protective layer.
5. the device according to claim 4 for monitoring and repairing for concrete damage, which is characterized in that the epoxy
The material of resin resistance to compression protective layer is KRTL525 selfcurable insulative waterproof protective material.
6. the device according to claim 1 for monitoring and repairing for concrete damage, which is characterized in that the liquid storage
Cavity (1), separation layer (3), resistance to compression protective layer (5) and waterproof insulation protective layer (6) are square.
7. the device for monitoring and repairing for concrete damage described in any one of -6 according to claim 1, feature exist
In the piezoelectric ceramics sensing element (4) is connect with external signal reciever by signal transmitting and receiving conducting wire (2).
8. the device for monitoring and repairing for concrete damage described in any one of -6 according to claim 1, feature exist
In filling methyl methacrylate adhesive in the liquid storage cavity (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822042906.6U CN209280719U (en) | 2018-12-06 | 2018-12-06 | A kind of device for monitoring and repairing for concrete damage |
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CN201822042906.6U CN209280719U (en) | 2018-12-06 | 2018-12-06 | A kind of device for monitoring and repairing for concrete damage |
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Publication Number | Publication Date |
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CN209280719U true CN209280719U (en) | 2019-08-20 |
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CN201822042906.6U Expired - Fee Related CN209280719U (en) | 2018-12-06 | 2018-12-06 | A kind of device for monitoring and repairing for concrete damage |
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CN (1) | CN209280719U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116086533A (en) * | 2023-01-10 | 2023-05-09 | 广州大学 | Self-repairing function concrete structure health monitoring system and method |
-
2018
- 2018-12-06 CN CN201822042906.6U patent/CN209280719U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116086533A (en) * | 2023-01-10 | 2023-05-09 | 广州大学 | Self-repairing function concrete structure health monitoring system and method |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 |
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CF01 | Termination of patent right due to non-payment of annual fee |