CN206002131U - The structural healthy monitoring system of prefabricated assembled concrete system - Google Patents
The structural healthy monitoring system of prefabricated assembled concrete system Download PDFInfo
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- CN206002131U CN206002131U CN201620708471.2U CN201620708471U CN206002131U CN 206002131 U CN206002131 U CN 206002131U CN 201620708471 U CN201620708471 U CN 201620708471U CN 206002131 U CN206002131 U CN 206002131U
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Abstract
A kind of structural healthy monitoring system of prefabricated assembled concrete system, belongs to technical field of buildings.One or more sensors preset in prefabricated assembly concrete component, described sensor communication interfaces are placed in the surface of prefabricated assembly concrete component, during test, each sensor is linked into monitoring system analysing terminal by fiber optic conduction or conductivity mode, constitutes health monitoring systems.Transducer arrangements and building of monitoring system are embedded among the construction flow process of prefabricated concrete structure by this utility model, the componentization of achievable sensor implantation, the customization of component sensing function, standardization, the assembling of structural healthy monitoring system, integrated.
Description
Technical field
The invention belongs to technical field of buildings, the structural health prison of more particularly to a kind of prefabricated assembled concrete system
Examining system.
Background technology
With scientific and technological development, fiber-optic grating sensor is gradually applied in the health monitoring of reinforced concrete structure,
Have developed such as FBG strain gauge, fiber grating accelerometer, Optical Fiber Grating Displacement Meter, light grating temperature sensor
Deng the Fibre Optical Sensor product of different properties, compared with traditional electrical sensor, fiber-optic grating sensor has advantages below：
1. electromagnetism interference, sensitivity is high, corrosion-resistant, waterproof the advantages of.
2. fiber grating collection senses and is transmitted in one it is easy to imbed material internal.Meanwhile, small volume, is easy to stick
On the surface of structure, on the premise of the globality not changing structure, realize the accurate measurement to physical quantitys such as temperature, strains.
3. fiber-optic grating sensor is applied and is had high precision in the health monitoring of civil engineering structure, apart from remote, distribution
Extensively, the long feature of effective time, has very big use future and development space.
At present, in building engineering field, it is mainly used in based on the structural healthy monitoring system of fiber grating sensing technology
In cast-type reinforced concrete structure, implementation method mainly has two kinds：1. with site operation process, by fiber-optic grating sensor
It is embedded at the key position of each component, and enter walking line along reinforcing bar；2. after cast-in-place concrete construction finishes, using boring
Enter the embedding of line sensor etc. mode, and enter walking line along component surface.
The above-mentioned fiber grating health monitoring systems being applied in monolithic reinforced concrete structure remain in following difficulty：①
Construction condition is severe, in vibrated concrete, easily leads to the optical fiber cabling of fiber-optic grating sensor and transmitting signal
A large amount of damages, survival rate is extremely low；2. monolithic reinforced concrete structure cannot in casting process accurate advantageously orientation sensing
Device, or can be because concrete vibrating causes sensor shift it is difficult to ensure the extraction accurately and timely of structural key member stress information；
3. carry out system and set up after finishing as integral construction, the not only installation of sensor can produce additional injury to structure, cabling is also not
Hide well and easily clash with finishing.
Content of the invention
For above-mentioned technical problem, the present invention provides a kind of structural health prison of prefabricated assembled concrete system
Examining system, the present invention, will be embedded with building of monitoring system for transducer arrangements in the construction flow process of prefabricated concrete structure
In prefabricated concrete structure, the componentization of achievable sensor implantation, the customization of component sensing function, standardization, knot
The assembling of structure health monitoring system, integrated.
The purpose of the present invention is achieved through the following technical solutions：
A kind of structural healthy monitoring system of prefabricated assembled concrete system, in prefabricated assembly concrete component
One or more sensors preset, described sensor communication interfaces are placed in the surface of prefabricated assembly concrete component,
During test, each sensor is linked into monitoring system analysing terminal by fiber optic conduction or conductivity mode, constitutes health monitoring
System.
Further, described sensor is using the temperature sensor of fiber optic conduction or conductivity mode, concrete strain
Sensor, reinforcing bar strain transducer or acceleration transducer.
Further, described prefabricated assembly concrete component is prefabricated overlapping board member, precast beam unit, prefabricated shearing
Wall member or precast column unit.
Beneficial effects of the present invention are：
1. the industrialization setting up process and prefabricated concrete structure of structural healthy monitoring system is built skill by the present invention
Art phase is coordinated, and embedding for the sensor of structural healthy monitoring system and whole monitoring system is connected and carries out procedure decomposition：1. sense
The installation of device incorporates among the plant produced of prefabricated components；2. by system connection procedure be placed on overall structure assembling complete laggard
Row (fitment process can be synchronized with).Thus, it is possible to improve the implantation survival rate of sensor to greatest extent, it is to avoid cabling and other
Architectural Equipment, the conflict of pipeline.
2. prefabricated components first factory for prefabrication making after again hoisting transportation to job site.In factory for prefabrication's Factory Building
Construction environment is excellent, and mold clean is clean, and firm, concreting work is accurately installed in the built-in fitting on mould, reserved hole site
People's training level is high, compare compared with site operation in casting process can avoid the destruction to sensor to greatest extent it is ensured that
The survival rate of fiber-optic grating sensor and reasonable, safety in component inside cabling.
3. prefabricated components independently make completely, can arrange different fiber-optic grating sensors in different prefabricated components,
The extraction of the structural informations such as the stress of component aspect, strain, acceleration can be completed, equipment can be produced as needed different
Structural information obtains the optical fiber grating sensing modular structure of function, and the detection requirement further according to building structure carries out reasonable combination and takes
Join.Therefore, sensor configuration can be greatly enhanced and use flexibility ratio, the customization of achievable structural healthy monitoring system function
Change, modularity.
4. the plant component mode of production of fabricated assembly overall xoncrete structure and on-site consolidation technique, are based on light
The building structure health monitoring systems of fiber grating sensing technique are built and are found new meeting point.By transducer arrangements and monitoring system
Build and be embedded among the construction flow process of prefabricated concrete structure, the componentization of achievable sensor implantation, component senses
The customization of function, standardization, the assembling of structural healthy monitoring system, integrated.
Brief description
Fig. 1 is typical sensors interface arrangement and the internal sensor layout drawing of prefabricated overlapping board member.
Fig. 2 is typical sensors interface arrangement and the internal sensor layout drawing of precast beam unit.
Fig. 3 is typical sensors interface arrangement and the internal sensor layout drawing of precast shear wall component.
Fig. 4 is typical sensors interface arrangement and the internal sensor layout drawing of precast column unit.
Fig. 5 is the fiber grating health monitoring systems monolithically fabricated figure of prefabricated assembled concrete structure.
In figure：1. prefabricated overlapping board member, 2. reinforcing bar strain transducer, 3. acceleration transducer, 4. optical fiber pick out port,
5. concrete strain sensor, 6. precast beam unit, 7. precast shear wall component, 8. temperature sensor, 9. precast column unit.
Specific embodiment
Describe the present invention with reference to the accompanying drawings and examples.
Embodiment 1：As Figure 1-Figure 5, the structural healthy monitoring system of prefabricated assembled concrete system of the present invention,
One or more sensors preset in prefabricated assembly concrete component, described sensor communication interfaces are placed in prefabricated
The surface of assembly concrete component, during test, each sensor is linked into monitoring system by fiber optic conduction or conductivity mode
System analysing terminal, constitutes health monitoring systems.
The present invention, when integrated, one or more sensors is implanted prefabricated assembled component inside, by sensor
Communication interface is placed in the surface of prefabricated assembly concrete component, after each component assembled in situ finishes, in decoration construction mistake
Cheng Zhong, more each sensor is connected to monitoring system analysing terminal by the sensor communication interfaces of component, so that component
Various structural informations are passed through the sensor and are transmitted to monitoring system terminal.
Described sensor is using the temperature sensor 8 of fiber optic conduction or conductivity mode, concrete strain sensor
5th, reinforcing bar strain transducer 2 or acceleration transducer 3.
Described prefabricated assembly concrete component is prefabricated overlapping board member 1, precast beam unit 6, precast shear wall structure
Part 7 or precast column unit 9.
Fig. 1 is that the fiber-optic grating sensor of Prefabricated stacking floor arranges schematic diagram.Sensor type, position and quantity
To be combined as needed, and then form the customization laminated floor slab component with different sensing functions.Fig. 1 is cutd open by superimposed sheet
Face (wave top half) and superimposed sheet bottom surface (wave the latter half) synthesis are explained.The superimposed sheet of the in figure first half
Section illustrates the laying situation in intralaminar part for the typical sensors.During factory pours precast floor slab, will be in order to monitor
The acceleration transducer of Vertical Floor Vibration comfort level be arranged in precast floor slab span centre and apart from the certain safe distance of edges of boards edge (with
Do not affect board member assembling construction be limited) position；In plate, reinforcing bar outer surface can arrange reinforcing bar strain transducer；Will
Above-mentioned acceleration transducer and reinforcing bar strain transducer etc. customize sensing element reinforcing bar along along plate and enter walking line, are ultimately connected to
Optical fiber picks out port.In the plate bottom surface of in figure lower half, i.e. the opposite in superimposed sheet girder rib face, apart from the certain safety of edges of boards edge
Distance setting optical fiber picks out port.So, component port and can hiding in order to form the member exterior cabling of whole monitoring system
Inside the finishing furred ceiling layer of plate bottom surface, it is easy to coordinate finishing layer internal unit and the collision that may be present of various pipeline and rushes
Prominent.
Fig. 2 is the transducer arrangements system of precast beam, is given by the beam section of left side and the beam surface synthesis of right-hand part
Explanation.In the reinforcement stresses larger part Pasting reinforcing bar strain transducer such as the span centre of beam and bearing two end bar outer surface；In beam
The concrete in tension such as span centre or close beam end or pressurized zone can arrange concrete strain sensor；Adapter in beam end
(as sleeve etc.) surface can stick strain transducer；And optical fiber cabling fine duct is connected to beam outer surface along longitudinal reinforcement
Optical fiber picks out port.Precast beam optical fiber pick out port will in view of construction assembling requirement, with can facilitate external walk
Line and do not produce collision or conflict with miscellaneous equipment or pipeline and be configured for important business.
Fig. 3 is the transducer arrangements system of precast shear wall, by the wall section of left side and the wall surface synthesis of right-hand part
It is explained.The joist surface mount reinforcing bar strain transducer in the middle part of precast shear wall and four edges can be selected；
As exterior wall can arrange temperature sensor for monitoring the temperature change of precast shear wall body through-thickness；Bottom on the wall
Adapter (as sleeve etc.) surface can stick strain transducer；And concrete strain sensor monitoring precast shear wall body can be set
Concrete strain.Arrange at the certain safe distance in edge in shear wall and pick out port, the convenient system with member exterior
Cabling is attached, and equally will avoid collision with miscellaneous equipment or pipeline and conflict.
Fig. 4 is the transducer arrangements system of prefabricated post, is given by the post section of the first half and the post surface synthesis of lower half
Explanation.Reinforcing bar outer surface Pasting reinforcing bar strain transducer in the key forced position such as the middle part of prefabricated post, end；In styletable
Adapter (as sleeve etc.) surface in portion can stick strain transducer；Can arrange that in the middle part of post concrete strain sensor is used for supervising
Survey axis of a cylinder to compressive strain.Cabling and optical fiber pick out the position selection principle of port ibid.
Fig. 5 is the fiber grating health monitoring systems pie graph of this prefabricated assembled concrete structure.This assembled coagulation
Soil structure health monitoring systems pass through to be imbued with personalization inside prefabricated components, modularly arrange respective sensor group on demand,
The optical fiber that the optical fiber cabling of transmitting signal is connected to external surface of structural member by fine duct in component inside picks out port.Treat overall knot
After the completion of structure assembling assembly, connect outside the component that structure decoration stage synchronously carries out between each sensing member and pass with fiber grating
The connection of sense master control system, thus form the health monitoring systems of whole assembled arthitecutral structure.By this kind of system integration side
Method so that various sensor can be arranged in corresponding prefabricated components according to demand, independent assortment, configure on demand, realize whole
The componentization of individual health monitoring systems, assembling and integrated, can ensure survival rate and the prison of Fibre Optical Sensor to greatest extent
Examining system stable, efficient.
Claims (2)
1. a kind of structural healthy monitoring system of prefabricated assembled concrete system it is characterised in that：Mix in prefabricated assembled
One or more sensors preset in solidifying soil component, described sensor communication interfaces are placed in prefabricated assembly concrete structure
The surface of part, during test, each sensor is linked into monitoring system analysing terminal by fiber optic conduction or conductivity mode, constitutes
Health monitoring systems；Described sensor is to be passed using the temperature sensor of fiber optic conduction or conductivity mode, concrete strain
Sensor, reinforcing bar strain transducer or acceleration transducer；Sensing element reinforcing bar along along plate enters walking line, and the optical fiber of transmitting signal is walked
The optical fiber that line is connected to external surface of structural member by fine duct in component inside picks out port.
2. according to claim 1 prefabricated assembled concrete system structural healthy monitoring system it is characterised in that：Described
Prefabricated assembly concrete component is prefabricated overlapping board member, precast beam unit, precast shear wall component or precast column unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708471.2U CN206002131U (en) | 2016-07-06 | 2016-07-06 | The structural healthy monitoring system of prefabricated assembled concrete system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708471.2U CN206002131U (en) | 2016-07-06 | 2016-07-06 | The structural healthy monitoring system of prefabricated assembled concrete system |
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| CN206002131U true CN206002131U (en) | 2017-03-08 |
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| CN201620708471.2U Expired - Fee Related CN206002131U (en) | 2016-07-06 | 2016-07-06 | The structural healthy monitoring system of prefabricated assembled concrete system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917830A (en) * | 2018-06-19 | 2018-11-30 | 杭州市质量技术监督检测院 | A kind of intelligent wall with self-induction function |
-
2016
- 2016-07-06 CN CN201620708471.2U patent/CN206002131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917830A (en) * | 2018-06-19 | 2018-11-30 | 杭州市质量技术监督检测院 | A kind of intelligent wall with self-induction function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20180706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |