CN2692267Y - Marmem alloy damage emergency repairing intelligent device - Google Patents
Marmem alloy damage emergency repairing intelligent device Download PDFInfo
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- CN2692267Y CN2692267Y CN 200420018775 CN200420018775U CN2692267Y CN 2692267 Y CN2692267 Y CN 2692267Y CN 200420018775 CN200420018775 CN 200420018775 CN 200420018775 U CN200420018775 U CN 200420018775U CN 2692267 Y CN2692267 Y CN 2692267Y
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- memory alloy
- damage
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- alloy wire
- marmem
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a shape memory alloy damage emergency repairing intelligent device, comprising a construction component. The interior of the construction component is provided with a shape memory alloy thread whose both ends are connected with connecting wires respectively connected with a data collecting card and a constant-current power supply. The shape memory alloy damage emergency repairing intelligent device uses the shape memory effect of the NiTi or NiTiCu shape memory alloy, the shape memory alloy thread is buried in the construction structural component in advance, the service construction structure is conducted the damage detecting and the damage emergency repairing, the damage detecting and the damage emergency repairing are combined together through the shape memory alloy damage emergency repairing intelligent device, and the structure is simple and safe.
Description
(1) technical field
The utility model relates to the emergent intelligent apparatus of repairing of a kind of damage, specifically a kind of damage monitoring and emergent intelligent apparatus of repairing of damage that is used for building.
(2) background technology
Along with economical, social and the scientific and technical development that shoots ahead, the modern project structure is constantly to superelevation layer, heavy duty, large span and mammoth structure development, its mode of occupation and condition of work be compared with the past, and bigger variation has taken place, not only more and more higher to the security requirement of engineering structures under normal operating condition or irresistible external cause action, and it is require its useful life all to reach 100 years, even higher.In the process, owing to the influence of unfavorable factors such as environmental load, fatigue effect, corrosion effect and material aging, structure will produce damage accumulation, drag decay inevitably, even cause burst accident on the one hand under arms; On the other hand, natural calamities such as earthquake, typhoon may make engineering structures or urban infrastructure take place to destroy even collapse, and cause the loss of serious casualties and economic asset.China's seismic region is wide and disperse, and earthquake is frequent and strong.In twentieth century, earthquake is equal to or greater than 8 shake doughtily and has taken place 9 times more than, not only caused huge casualties, the house in the macroseism zone, industrial premises and equipment, urban construction, communications and transportation, hydroelectric facility etc. all are subjected to extremely serious destruction.Flexible structures such as in these external various natural calamities, the loss that disaster caused by a windstorm causes accounts for 40.5% of total lose from natural calamity, and high wind is given engineering structures, and is particularly high, big, thin, long damage and lose, and are the main components of disaster caused by a windstorm loss.Calculate that according to German statistics world's disaster caused by a windstorm causes damage and reach 137.7 hundred million dollars every year, China only 1994 No. 9415 typhoons attacks Zhejiang, just causes directly and indirect economic loss reaches more than 20 hundred million dollars.Therefore, how to make civil engineering structure have automatic detection and forecast self-inflicted injury situation, further developing of ACTIVE CONTROL and inhibition damage is one of the most extensive hot subject of worldwide for many years researcher and engineers research simultaneously." intellectual material structure " appear as civil engineering structure intelligent injury monitoring, the emergent reparation of damage provides wide development space.The eighties in 20th century, the U.S. has at first proposed this conception, promptly constructs " work " material system with similar life entity structure and function, and it has merged microelectric technique and computer technology, has blured the boundary between material and the system.The proposition of " intellectual material structure " this notion has caused the extensive concern of international scientific circle and engineering circle, has become the forward position of present material scientific and technological development.The intellectual material structure is high-tech, new material system, be a kind of can the perception external environment condition and internal state changes and information is discerned and inferred and then composite structure system that reasonably decision-making and drives structure are made respective reaction by self mechanism.At present, external the proposition is applied in it on important structure such as smart skins, adaptive wing, space platform, nuclear reactor, submarine, seabed engineering of aerospace flight vehicle, structure is rolled into one multiple functions such as sensing and driving, realize the changing condition of online monitoring of structures load, stress, strain, temperature, vibration and damage etc., by healthy self diagnosis, self adaptation adjustment, damage from intelligent function and biological characteristics such as early warning and selfreparings, slow down so that elimination endangers, thereby improve the safety and the reliability of structure operation.
(3) summary of the invention
The purpose of this utility model is to provide a kind of and can monitors in real time crack development in the structure, in case and the reparation of can meet an urgent need during crack development value beyond the mark suppresses the crack and develops and even make closing up of cracks, integrate that damage monitoring and damage are emergent repairs, structure is simpler, the emergent intelligent apparatus of repairing of the marmem of safe and reliable practicality damage.
The purpose of this utility model is achieved in that it comprises building unit, is provided with shape-memory alloy wire in building unit, and the two ends of shape-memory alloy wire are connected with respectively the lead that links to each other with constant-current supply with data collecting card.
The utility model can also comprise some architectural features like this:
Described building unit is the reinforced concrete building member, and shape-memory alloy wire is distributed in the both sides of the main reinforcement of member bottom.
The two ends of shape-memory alloy wire are provided with positioning fixture.
Described shape-memory alloy wire is a kind of in NiTi or the NiTiCu shape-memory alloy wire.
Comparatively ripe at present intellectual material mainly contains: optical fiber, carbon fiber, controlled fluid (magnetic flow liquid, electrorheological fluid), mangneto and electrostriction material, piezoelectric and marmem.As sensing element, optical fiber has apperceive characteristic preferably, but does not have driveability.Though piezoelectric has perception simultaneously and drives function, available strain is very little, can not reach the demand of building structure far away.And marmem integrates perception, drive characteristic, and deformability big (maximum distortion can reach 8%), bigger restoring force can be provided, have super-elasticity and high damping characteristic simultaneously, become the important intellectual material of implementation structure intellectual monitoring and vibration isolation.Along with the continually developing and using of marmem intellectual material performance, for structure intelligentization and final form that the monitoring of civil engineering structure intelligent injury provides with the marmem system of repairing may.Be mainly reflected in following two aspects: the apperceive characteristic that (1) utilizes marmem with it as sensing element, the stress of measurement structure, state of strain and crack developing situation, health status to structure is carried out intelligent monitoring, and reports to the police automatically when the damage of structure acquires a certain degree; (2) drive characteristic of utilizing marmem as driving element, changes stress, the state of strain of structure with it, and development suppresses to structural cracks; Utilize the perception and the driving of marmem simultaneously, realize that the intelligent injury monitoring of civil engineering structure and the emergent research of repairing of damage still belong to blank.
Device of the present utility model utilizes the shape memory effect of NiTi or NiTiCu marmem, and shape-memory alloy wire is embedded in the building structural element, and damage monitoring and the emergent reparation of damage are carried out in commission building structure.Because marmem has perception and drives dual-use function, can match with the emergent repair system of damage easily, so the emergent intelligent apparatus of repairing of this damage is few in number integrating damage monitoring and damage the intelligent apparatus of meeting an urgent need and repairing.NiTi or NiTiCu shape-memory alloy wire have very strong corrosion resistance and good durability in addition, so the emergent intelligence system of repairing of this kind damage is having very big advantage aspect durability and the corrosion resistance.The utility model device has advantages such as structure is simpler, safe and reliable practicality.
Can monitor in real time the crack damage in the structure by the damage monitoring subsystem, in case value beyond the mark is developed in the crack in the structure, system reports to the police immediately automatically, and the emergent reparation of marmem damage simultaneously intelligence system starts the emergent subsystem of repairing immediately and gives the shape-memory alloy wire that is embedded in structure energising.Shape-memory alloy wire heats up rapidly under the excitation of electric current and produces very big limited restoring force, produces compressive stress in structure, thereby suppresses the development in crack or reduce the crack width of structure and even make closing up of cracks.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is a utilization structure schematic diagram of the present utility model.
(5) specific embodiments
For example the utility model is done description in more detail below in conjunction with accompanying drawing:
The emergent formation of repairing intelligent apparatus of marmem damage comprises building unit 1, be provided with shape-memory alloy wire 2,3 in building unit, the two ends of shape-memory alloy wire are connected with respectively the lead 4,5,6,7 that links to each other with constant-current supply with data collecting card.Described building unit is the reinforced concrete building member, and shape-memory alloy wire is distributed in the both sides of the main reinforcement 10 that makes up the bottom.The two ends of shape-memory alloy wire are provided with positioning fixture 8,9.Shape-memory alloy wire wherein is to be in martensitic NiTi or the NiTiCu shape-memory alloy wire that contains prestrain under the normal temperature.In actual application, data collecting card 11 is linked to each other with lead 4,5, and constant-current supply 12 links to each other with lead 6,7, and the data collecting card input is preset with the computer 13 of control program, the output of data collecting card connects modular converter 14, and modular converter connects constant-current supply.
Claims (5)
1, the emergent intelligent apparatus of repairing of a kind of marmem damage, it comprises building unit, it is characterized in that: be provided with shape-memory alloy wire in building unit, the two ends of shape-memory alloy wire are connected with respectively the lead that links to each other with constant-current supply with data collecting card.
2, the emergent intelligent apparatus of repairing of marmem damage according to claim 1, it is characterized in that: described building unit is the reinforced concrete building member, and shape-memory alloy wire is distributed in the both sides of the main reinforcement of member bottom.
3, the emergent intelligent apparatus of repairing of marmem damage according to claim 1 and 2, it is characterized in that: the two ends of shape-memory alloy wire are provided with positioning fixture.
4, the emergent intelligent apparatus of repairing of marmem according to claim 1 and 2 damage is characterized in that: described shape-memory alloy wire is a kind of in NiTi or the NiTiCu shape-memory alloy wire.
5, the emergent intelligent apparatus of repairing of marmem according to claim 3 damage is characterized in that: described shape-memory alloy wire is a kind of in NiTi or the NiTiCu shape-memory alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018775 CN2692267Y (en) | 2004-04-13 | 2004-04-13 | Marmem alloy damage emergency repairing intelligent device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018775 CN2692267Y (en) | 2004-04-13 | 2004-04-13 | Marmem alloy damage emergency repairing intelligent device |
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| Publication Number | Publication Date |
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| CN2692267Y true CN2692267Y (en) | 2005-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420018775 Expired - Fee Related CN2692267Y (en) | 2004-04-13 | 2004-04-13 | Marmem alloy damage emergency repairing intelligent device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822136A (en) * | 2016-05-18 | 2016-08-03 | 国网山东省电力公司龙口市供电公司 | Electric power construction maintenance device |
| CN106368381A (en) * | 2016-09-18 | 2017-02-01 | 深圳大学 | Flexural member, manufacturing method, building crack repair system and using method |
| CN106482629A (en) * | 2016-11-29 | 2017-03-08 | 上海浦东路桥建设股份有限公司 | Built-in sensors and the method for monitoring xoncrete structure internal strain |
| CN106595470A (en) * | 2017-01-17 | 2017-04-26 | 徐州工程学院 | System of intelligent detection of self restoration of anti-seismic device |
| CN107380481A (en) * | 2017-07-19 | 2017-11-24 | 北京吾天科技有限公司 | A kind of distribution grid structure damage check and repair system based on SMA silks |
| CN108756051A (en) * | 2018-07-19 | 2018-11-06 | 江苏东南结构防灾工程有限公司 | Self- recoverage anti-seismic concrete plate shell |
| CN108798062A (en) * | 2018-07-10 | 2018-11-13 | 大连理工大学 | Steel-concrete interface damage monitoring based on marmem and reinforcement means |
| CN109695458A (en) * | 2019-01-16 | 2019-04-30 | 上海理工大学 | Utilize the tunnel lining structure crack over strait repair system of marmem |
| CN110273384A (en) * | 2019-06-27 | 2019-09-24 | 山东大学 | A kind of bridge Smart self-repairing system and method |
| CN111155785A (en) * | 2020-01-20 | 2020-05-15 | 同济大学 | Damaged steel plate reinforcing device and reinforcing method |
-
2004
- 2004-04-13 CN CN 200420018775 patent/CN2692267Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822136A (en) * | 2016-05-18 | 2016-08-03 | 国网山东省电力公司龙口市供电公司 | Electric power construction maintenance device |
| CN106368381A (en) * | 2016-09-18 | 2017-02-01 | 深圳大学 | Flexural member, manufacturing method, building crack repair system and using method |
| CN106482629A (en) * | 2016-11-29 | 2017-03-08 | 上海浦东路桥建设股份有限公司 | Built-in sensors and the method for monitoring xoncrete structure internal strain |
| CN106595470A (en) * | 2017-01-17 | 2017-04-26 | 徐州工程学院 | System of intelligent detection of self restoration of anti-seismic device |
| CN107380481A (en) * | 2017-07-19 | 2017-11-24 | 北京吾天科技有限公司 | A kind of distribution grid structure damage check and repair system based on SMA silks |
| CN108798062A (en) * | 2018-07-10 | 2018-11-13 | 大连理工大学 | Steel-concrete interface damage monitoring based on marmem and reinforcement means |
| CN108756051A (en) * | 2018-07-19 | 2018-11-06 | 江苏东南结构防灾工程有限公司 | Self- recoverage anti-seismic concrete plate shell |
| CN109695458A (en) * | 2019-01-16 | 2019-04-30 | 上海理工大学 | Utilize the tunnel lining structure crack over strait repair system of marmem |
| CN109695458B (en) * | 2019-01-16 | 2020-08-04 | 上海理工大学 | Cross-sea tunnel lining structure crack repair system using shape memory alloy |
| CN110273384A (en) * | 2019-06-27 | 2019-09-24 | 山东大学 | A kind of bridge Smart self-repairing system and method |
| CN111155785A (en) * | 2020-01-20 | 2020-05-15 | 同济大学 | Damaged steel plate reinforcing device and reinforcing method |
| CN111155785B (en) * | 2020-01-20 | 2024-03-26 | 同济大学 | Damaged steel plate reinforcing device and reinforcing method |
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| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |