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 PDF

Info

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
Authority
CN
China
Prior art keywords
protective layer
liquid storage
repairing
monitoring
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201822042906.6U
Other languages
Chinese (zh)
Inventor
张珊珊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xijing University
Original Assignee
Xijing University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xijing University filed Critical Xijing University
Priority to CN201822042906.6U priority Critical patent/CN209280719U/en
Application granted granted Critical
Publication of CN209280719U publication Critical patent/CN209280719U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

A kind of device for monitoring and repairing for concrete damage
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).
CN201822042906.6U 2018-12-06 2018-12-06 A kind of device for monitoring and repairing for concrete damage Expired - Fee Related CN209280719U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822042906.6U CN209280719U (en) 2018-12-06 2018-12-06 A kind of device for monitoring and repairing for concrete damage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822042906.6U CN209280719U (en) 2018-12-06 2018-12-06 A kind of device for monitoring and repairing for concrete damage

Publications (1)

Publication Number Publication Date
CN209280719U true CN209280719U (en) 2019-08-20

Family

ID=67610373

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822042906.6U Expired - Fee Related CN209280719U (en) 2018-12-06 2018-12-06 A kind of device for monitoring and repairing for concrete damage

Country Status (1)

Country Link
CN (1) CN209280719U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN101216443B (en) Piezoelectric intelligent aggregate for civil engineering works structure health monitoring
US20190207274A1 (en) Battery state monitoring using ultrasonic guided waves
Min et al. Development of a low-cost multifunctional wireless impedance sensor node
CN203705096U (en) Wireless intelligent aggregate health monitoring device used for concrete structure
CN103792263A (en) Wireless intelligent aggregate health monitoring device and method for concrete structure
CN102384803A (en) Electromagnetic interference preventing embedded type multifunctional piezoelectric intelligent aggregate of concrete structure
Javan‐Mashmool et al. A new method for measuring ice adhesion strength at an ice–substrate interface
WO2021129372A1 (en) Triboelectric nanogenerator-based self-driven displacement sensor
CN209280719U (en) A kind of device for monitoring and repairing for concrete damage
US20070107530A1 (en) System, method, and apparatus for wireless non-powered stress history and fatigue monitoring of a structure
CN206573245U (en) A kind of shock measuring system of array PVDF piezoelectric membranes
CN209803363U (en) Piezoelectric rainfall sensor
CN201476978U (en) Piezoelectric transducer for structure health monitoring
CN104076187B (en) Piezoelectric signal peak-value detection method and device thereof
CN103105257A (en) Dynamic-property-based early warning method for power transmission tower wire structural failure caused by icing
Zhao et al. Energy harvesting from harmonic and noise excitation of multilayer piezoelectric stacks: Modeling and experiment
CN207779591U (en) It can carry out the rubber vibration isolation cushion and its interfacial stress monitoring system of interfacial stress monitoring
CN206378462U (en) It is a kind of to stack formula piezoelectric intelligent aggregate for concrete structure health monitoring
CN209513707U (en) A kind of intelligent concrete aggregate device collecting damage monitoring and self-repair function
CN202166404U (en) Embedded concrete-structure multifunctional piezoelectric intelligent aggregate free from electromagnetic interference
CN206035999U (en) A intelligent nut device for $monitoring bolted connection situation
US20120098625A1 (en) Electrostatic bonding of a die substrate to a package substrate
CN105203736A (en) Multi-parameter monitoring system and method for geotechnical material in landslide area
Anton et al. Self-charging structures using piezoceramics and thin-film batteries
Jiang et al. A piezoelectric wafer-stack vibration energy harvester for wireless sensor networks

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190820

CF01 Termination of patent right due to non-payment of annual fee