CN206573529U - A kind of concrete structure cracking monitoring system - Google Patents
A kind of concrete structure cracking monitoring system Download PDFInfo
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- CN206573529U CN206573529U CN201720245482.6U CN201720245482U CN206573529U CN 206573529 U CN206573529 U CN 206573529U CN 201720245482 U CN201720245482 U CN 201720245482U CN 206573529 U CN206573529 U CN 206573529U
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- 238000005336 cracking Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000002123 temporal effect Effects 0.000 claims abstract description 11
- 238000009432 framing Methods 0.000 claims description 11
- 239000004927 clay Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses a kind of concrete structure cracking monitoring system, its system includes data acquisition unit, data processing equipment and sensor group；Wherein, sensor group is made up of at least four sensors, and each sensor is separately positioned on the diverse location inside concrete structure, to detect the vibration signal in concrete structure；Data acquisition unit transmits the vibration signal detected by each sensor to data processing equipment；Data processing equipment judge receive vibration signal whether be concrete structure cracking characteristic signal, when vibration signal is characterized signal, the temporal information that each sensor detects characteristic signal is recorded respectively, and according to the time difference that characteristic signal is detected between positional information of each sensor in concrete structure and sensor, calculate the position that concrete structure ftractures.Therefore, the utility model can obtain solidifying native structures cracking time and crack location in real time, so as to select appropriate mending option and opportunity.
Description
Technical field
The utility model is related to civil engineering construction field, more particularly to a kind of concrete structure cracking monitoring system.
Background technology
Crack is most common defect or damage phenomenon in concrete structure.Due to the origin cause of formation, state, development trend in crack
And the difference of position in the structure etc., the harmfulness to structure also makes a big difference.Serious crack may endanger knot
The globality and stability of structure, the safe operation to structure are produced a very large impact, therefore, it is necessary to the crack produced in structure
It is monitored and early warning.
Moreover, it is necessary to could be closed on the basis of state, the origin cause of formation in clear and definite crack when being repaired to the crack in structure
Reason, effectively progress frac-pack and crack strengthening.Therefore, in order to determine the state, development trend and the origin cause of formation in crack, Yi Jihe
Reason evaluates influence of the crack to works, selects appropriate mending option and opportunity, obtains in structure the crack occurrence time and opens
It is very important to split position.
At present, often to wait until after form removal, crack whether there is by visual inspection concrete structure, even if finding
Crack can not also determine when to produce, and delay the opportunity mended a split.It can in addition contain scan concrete using ultrasonic equipment
Crack in structure, determines the size in sightless crack and determination crack inside concrete structure, large-scale for some
Concrete structure to realize round-the-clock ground ultrasonic scanning, it is necessary to put into substantial amounts of ultrasonic equipment and, so still can not and
When, exactly obtain structure in crack occurrence time, it is impossible to further determine that the state, development trend and the origin cause of formation in crack, with
And influence of the rational evaluation crack to structure.
Utility model content
The purpose of this utility model is：Solve the cracking time and crack location in crack in current concrete structures without
The problem of method is controlled in real time, especially in concrete structures forming process, obtains and determines in real time the cracking time in crack
With crack location.
In order to realize above-mentioned utility model purpose, the utility model provides a kind of concrete structure cracking monitoring system, its
The technical scheme used for：
A kind of concrete structure cracking monitoring system, it includes data acquisition unit, data processing equipment and is embedded in mixed
Sensor group inside Xtah Crude Clay structure；Wherein,
The sensor group is made up of at least four sensors, and each sensor is separately positioned on inside concrete structure
Diverse location, for detecting the vibration signal in the concrete structure；
The data acquisition unit, is filled for the vibration signal detected by each sensor to be transmitted to the data processing
Put；
The data processing equipment, for judging whether the vibration signal that sensor is detected is what concrete structure ftractureed
Characteristic signal, and when the vibration signal is the characteristic signal, each sensor is recorded respectively and detects the feature
The temporal information of signal, and according to being detected between positional information of each sensor in concrete structure and sensor
The time difference of characteristic signal, calculate the position that concrete structure ftractures.
According to a kind of specific embodiment, the data acquisition unit has at least four signal acquisition ports, the biography
Each sensor in sensor group is connected with a signal acquisition port respectively；Also, the data processing equipment passes each
The signal acquisition port of the corresponding connection of the positional information of sensor is associated.
According to a kind of specific embodiment, the sensor group is made up of four sensors, and with sensor mixed
Position in Xtah Crude Clay structure is summit, and the space structure of the sensor group is in triangular pyramids.
According to a kind of specific embodiment, the sensor group is arranged on fixed support, wherein, the fixed support
Be made up of three lattice framings, and three lattice framings have it is vertical two-by-two between a common point, lattice framing；Four biographies of the sensor group
Sensor, one of them is arranged on common point, and its excess-three is separately positioned on different lattice framings.
According to a kind of specific embodiment, the data processing equipment include signal processing unit, time recording unit,
Arithmetic element and memory cell；Wherein,
The signal processing unit, for handling the vibration signal received, is converted into amplitude data and frequency
Data；
The time recording unit, for when the vibration signal is the characteristic signal, each sensing to be recorded respectively
Device detects the temporal information of the characteristic signal；
The memory cell, for caching the amplitude data and the frequency data, and preserves each sensor
Positional information and the temporal information for detecting the characteristic signal；
The arithmetic element, for according to the amplitude data and the frequency data, whether judging the vibration signal
The characteristic signal ftractureed for concrete structure, and according to being detected between the positional information and sensor of each sensor
The time difference of characteristic signal, calculate the position that concrete structure ftractures.
Compared with prior art, the beneficial effects of the utility model：The utility model will be made up of at least four sensors
Sensor group be embedded in inside concrete structure, and the vibration signal for being detected each sensor by data acquisition unit is transmitted
To data processing equipment, data processing equipment is analyzed and processed to vibration signal, judges whether the vibration signal received is mixed
The characteristic signal of Xtah Crude Clay structure cracking, and when characteristic signal of the vibration signal for cracking, record each sensor and detect spy
The time of reference number, simultaneously because the position in concrete structure of each sensor is, it is known that vibration signal (concrete knot
The sound wave that structure ftractures and produced) speed propagated in inside concrete is constant, according to detecting characteristic signal between sensor
Time difference, so as to calculate the position ftractureed inside concrete structure.Therefore, the utility model can be obtained in real time
Solidifying soil structures cracking time and crack location, and according to the cracking time and crack location in crack, determine state, the hair in crack
Exhibition trend and the origin cause of formation, and influence of the rational evaluation crack to works, so as to select appropriate mending option and opportunity.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the implementation structural representation of the utility model sensor group；
Fig. 3 is the structural representation of the utility model data processing equipment.
1- concrete structure 2- sensor group 3- cracks
Embodiment
The utility model is described in further detail with reference to embodiment.But this should not be interpreted as to this
The scope of the above-mentioned theme of utility model is only limitted to following embodiment, and all technologies realized based on the utility model content are belonged to
In scope of the present utility model.
Structural representation of the present utility model as shown in Figure 1；Wherein, the utility model concrete structure cracking monitoring system
The sensor group 2 that system includes data acquisition unit, data processing equipment and is embedded in inside concrete structure 1.
Wherein, sensor group 2 is made up of at least four sensors, and each sensor is separately positioned in concrete structure 1
The diverse location in portion, for detecting the vibration signal in concrete structure.
Data acquisition unit is connected with each sensor respectively, and by the vibration signal detected by each sensor transmit to
Data processing equipment.
Data processing equipment receives the vibration signal of data acquisition unit transmission, and judges the vibration letter that sensor is detected
Number whether be concrete structure cracking characteristic signal.Data processing equipment judges that the vibration signal received is characterized signal
When, then the temporal information that each sensor detects characteristic signal is recorded respectively, and according to each sensor in concrete structure
In positional information and sensor between detect time difference of characteristic signal, calculate the position that concrete structure ftractures
Put.
Specifically, the data acquisition unit in the utility model has at least four signal acquisition ports, sensor group
Each sensor is connected with a signal acquisition port respectively；Also, data processing equipment is by the positional information of each sensor
The signal acquisition port of corresponding connection is associated.In this way, data processing equipment record sensor detects characteristic signal
, can be corresponding with the positional information of sensor by the time of record after time, it is to avoid occur, due to connecting not correspondence problem, to make
It is not consistent with actually occurring the position of cracking into the position that the concrete structure calculated ftractures.
When implementing, sensor group 2 is made up of four sensors, and the position with sensor in concrete structure 1
For summit, the space structure of sensor group 2 is in triangular pyramids.
In actual use, because sensor group is embedded in inside concrete structure, it is necessary to ensure each sensor
Between relative position do not occur excessive change, influence the positioning precision of fracture.Therefore, this practicality with reference to shown in Fig. 2
The implementation structural representation of novel sensor group；Wherein, sensor group is arranged on fixed support, and the fixed support is by three branch
Bar is constituted, and three lattice framings have it is vertical two-by-two between a common point, lattice framing.And four sensors of sensor group, its
In one be arranged on common point, its excess-three is separately positioned on different lattice framings.
The structural representation of the utility model data processing equipment with reference to shown in Fig. 3；Wherein, data processing equipment includes
Signal processing unit, time recording unit, arithmetic element and memory cell.
Specifically, signal processing unit is used to handle the vibration signal received, amplitude data and frequency are converted into
Rate data.Time recording unit is used for when vibration signal is characterized signal, and each sensor is recorded respectively and detects feature letter
Number temporal information.Memory cell is used to cache amplitude data and frequency data, and preserves the positional information of each sensor
With the temporal information for detecting characteristic signal.Arithmetic element is used for according to amplitude data and frequency data, judges that vibration signal is
No is the characteristic signal that concrete structure ftractures, and detects spy between the positional information and sensor according to each sensor
The time difference of reference number, calculate the position that concrete structure ftractures.
The cracking monitoring method for the monitoring system that ftractureed using the utility model concrete structure, its method is included：
Step 1：In casting concrete structure, the sensor group being made up of at least four sensors is embedded in concrete
Inside configuration, and each sensor is located at shaking in the diverse location inside concrete structure, detection concrete structure respectively
Dynamic signal.
Step 2：The vibration signal detected by each sensor is gathered, and judges that the vibration signal that sensor is detected is
The no characteristic signal ftractureed for concrete structure, if vibration signal is characterized signal, records each sensor and detects respectively
Detected between positional information and sensor in the temporal information of characteristic signal, and the concrete structure according to where each sensor
To the time difference of characteristic signal, the position that concrete structure ftractures is calculated.
Specifically, by each sensor vibration that positional information is detected with it in concrete structure in sensor group
Signal is associated.Avoid occurring positional information and the vibration signal that detects the not correspondence problem due to sensor, cause to calculate
The position that the concrete structure gone out ftractures is not consistent with actually occurring the position of cracking.
When implementing, sensor groups are constituted using four sensors, and make the space structure of sensor group be in triangular pyramids,
Wherein, position of the sensor in concrete structure is the summit of triangular pyramids.
In order to avoid sensor group is embedded in inside concrete structure, the relative position between each sensor easily becomes
Change, influence the positioning precision of fracture, while for the convenient consideration implemented.A sensor in sensor group is defined as
Origin sensor, remaining three sensor are vertical two-by-two with the line of origin sensor respectively.Calculating the position that crack is produced
When putting, three-dimensional cartesian coordinate system is directly used, so that simplified operation.
Specifically, collecting after vibration signal, first vibration signal is handled, corresponding amplitude data is translated into
And frequency data, whether further according to amplitude data and frequency data, it is that the feature that concrete structure ftractures is believed to judge vibration signal
Number, if vibration signal be concrete structure ftracture characteristic signal, according to the positional information and sensor of each sensor it
Between detect time difference of characteristic signal, calculate the position that concrete structure ftractures.
Embodiment of the present utility model is described in detail above in conjunction with accompanying drawing, but the utility model is not
It is limited to above-mentioned embodiment, in the case of the spirit and scope of claims hereof are not departed from, those skilled in the art
Member can be so that various modification can be adapted or remodeling.
Claims (5)
- The monitoring system 1. a kind of concrete structure ftractures, it is characterised in that including data acquisition unit, data processing equipment and bury It is located at the sensor group inside concrete structure；Wherein,The sensor group is made up of at least four sensors, and each sensor is separately positioned on the difference inside concrete structure Position, for detecting the vibration signal in the concrete structure；The data acquisition unit, for the vibration signal detected by each sensor to be transmitted to the data processing equipment；The data processing equipment, for judge vibration signal that sensor detects whether be concrete structure cracking feature Signal, and when the vibration signal is the characteristic signal, each sensor is recorded respectively and detects the characteristic signal Temporal information, and detect the feature according between positional information of each sensor in concrete structure and sensor The time difference of signal, calculate the position that concrete structure ftractures.
- The monitoring system 2. concrete structure as claimed in claim 1 ftractures, it is characterised in that the data acquisition unit has extremely Each sensor in few four signal acquisition ports, the sensor group is connected with a signal acquisition port respectively；Also, The data processing equipment is related by the signal acquisition port of the corresponding connection of the positional information of each sensor Connection.
- The monitoring system 3. concrete structure as claimed in claim 1 or 2 ftractures, it is characterised in that the sensor group is by four Individual sensor is constituted, and using position of the sensor in concrete structure as summit, the space structure of the sensor group is in Triangular pyramids.
- The monitoring system 4. concrete structure as claimed in claim 3 ftractures, it is characterised in that the sensor group is arranged on solid On fixed rack, wherein, the fixed support is made up of three lattice framings, and three lattice framings have two between a common point, lattice framing Two is vertical；Four sensors of the sensor group, one of them is arranged on common point, and its excess-three is separately positioned on different On lattice framing.
- The monitoring system 5. concrete structure as claimed in claim 1 ftractures, it is characterised in that the data processing equipment includes Signal processing unit, time recording unit, arithmetic element and memory cell；Wherein,The signal processing unit, for handling the vibration signal received, is converted into amplitude data and frequency data；The time recording unit, for when the vibration signal is the characteristic signal, the inspection of each sensor to be recorded respectively Measure the temporal information of the characteristic signal；The memory cell, for caching the amplitude data and the frequency data, and preserves the position of each sensor Information and the temporal information for detecting the characteristic signal；The arithmetic element, for according to the amplitude data and the frequency data, judging whether the vibration signal is mixed The characteristic signal of Xtah Crude Clay structure cracking, and detect the feature between positional information and sensor according to each sensor The time difference of signal, calculate the position that concrete structure ftractures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245482.6U CN206573529U (en) | 2017-03-14 | 2017-03-14 | A kind of concrete structure cracking monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245482.6U CN206573529U (en) | 2017-03-14 | 2017-03-14 | A kind of concrete structure cracking monitoring system |
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| Publication Number | Publication Date |
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| CN206573529U true CN206573529U (en) | 2017-10-20 |
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| CN201720245482.6U Expired - Fee Related CN206573529U (en) | 2017-03-14 | 2017-03-14 | A kind of concrete structure cracking monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706758A (en) * | 2017-03-14 | 2017-05-24 | 中交武汉港湾工程设计研究院有限公司 | Concrete structure cracking monitoring system and cracking monitoring method thereof |
-
2017
- 2017-03-14 CN CN201720245482.6U patent/CN206573529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706758A (en) * | 2017-03-14 | 2017-05-24 | 中交武汉港湾工程设计研究院有限公司 | Concrete structure cracking monitoring system and cracking monitoring method thereof |
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