CN113252776A - Building contact interface monitoring method - Google Patents
Building contact interface monitoring method Download PDFInfo
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- CN113252776A CN113252776A CN202110331168.0A CN202110331168A CN113252776A CN 113252776 A CN113252776 A CN 113252776A CN 202110331168 A CN202110331168 A CN 202110331168A CN 113252776 A CN113252776 A CN 113252776A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000919 ceramic Substances 0.000 claims abstract description 51
- 239000004566 building material Substances 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000005284 excitation Effects 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 230000026676 system process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000001066 destructive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
Abstract
The invention discloses a building contact interface monitoring method, which comprises the following steps: a. installing a signal transmitter and a signal receiver on the building materials on two sides of the monitored contact interface, wherein the signal transmitter and the signal receiver are respectively piezoelectric ceramic intelligent aggregates, and the signal transmitter is connected with a piezoelectric ceramic controller; b. respectively connecting the piezoelectric ceramic controller and the signal receiver with a background control system; c. the signal receiver receives the stress wave and feeds back an electric signal to the labview processing system; d. analyzing and judging whether the monitored contact interface cracks or not by the labview processing system; e. and when the monitored contact interface cracks, the background control system sends out an alarm prompt. The invention can realize the real-time monitoring of the building contact interface, can feed back the cracking condition of the contact interface in time so as to facilitate the follow-up processing of related personnel, does not damage the building material, and has convenient acquisition of monitoring data and high efficiency.
Description
Technical Field
The invention relates to the technical field of building monitoring, in particular to a building contact interface monitoring method.
Background
With the vigorous development of the capital construction of China, public and civil buildings are continuously increased; however, while the construction speed of a building structure is rapidly increased, it is inevitable that concerns about the safety and durability of the building structure occur, and the contact interface between concrete and different building materials or different concrete in the building is the most easily cracked part. Therefore, it is important to quickly determine whether the contact interface between different building materials is damaged.
It should be noted that in the prior art, the methods for detecting structural cracking damage are classified into two types, namely, destructive detection and nondestructive detection. For the destructive detection method, the method comprises a test block evaluation method, a coring method, a sound wave measurement method, a nail shooting method, a nail pressing method, a nail pulling method and the like; however, the destructive detection method has the following problems: the method is easily influenced by the steel bars or embedded parts in the commercial concrete structure, has a long detection period, can cause local damage of the commercial concrete structure, and has quite high cost. As for the nondestructive testing method, there are an ultrasonic method, a rebound method, a radar method, an infrared method, and the like; however, the nondestructive testing method has the following problems: higher cost, higher requirement on operation speciality, incapability of real-time monitoring and the like.
Disclosure of Invention
The invention aims to provide a building contact interface monitoring method aiming at the defects of the prior art, which can realize the real-time monitoring of the building contact interface and can feed back the cracking condition of the contact interface in time so that related personnel can follow up the processing in time; in addition, the building contact interface monitoring method does not damage the building materials, and monitoring data is convenient to obtain and high in efficiency.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A building contact interface monitoring method comprises the following steps:
a. installing a signal transmitter on the building material on one side of the monitored contact interface, and installing a signal receiver on the building material on the other side of the monitored contact interface, wherein the signal transmitter and the signal receiver are respectively piezoelectric ceramic intelligent aggregates; the piezoelectric ceramic intelligent aggregate comprises a piezoelectric ceramic sensor and a sensor packaging shell packaged at the periphery of the piezoelectric ceramic sensor, wherein a connecting wire of the piezoelectric ceramic sensor extends out of the sensor packaging shell; the signal emitter is provided with a piezoelectric ceramic controller, and an excitation signal output end of the piezoelectric ceramic controller is connected with a connecting wire of a piezoelectric ceramic sensor of the signal emitter;
b. the piezoelectric ceramic controller and the signal receiver are respectively connected with a background control system, the background control system is provided with a labview processing system, the background control system is electrically connected with the piezoelectric ceramic controller, and the signal receiver is electrically connected with the labview processing system;
c. the background control system controls the piezoelectric ceramic controller to start, the piezoelectric ceramic controller outputs an excitation signal, the signal transmitter sends out stress waves under the drive of the excitation signal, the stress waves are conducted to the signal receiver after passing through the monitored contact interface, the signal receiver receives the stress waves, and the signal receiver outputs electric signals to the labview processing system after receiving the stress waves;
d. the labview processing system processes and analyzes the electric signal fed back by the signal receiver, and analyzes and judges whether the monitored contact interface cracks or not by analyzing the difference between the stress wave received by the signal receiver and the stress wave sent by the signal transmitter;
e. when the monitored contact interface cracks, the background control system sends prompt information to the mobile phone of the safety responsible person of the building, and then the contact interface monitoring result is fed back to the safety responsible person of the building in time, so that the safety responsible person of the building can take an emergency plan in time.
The background control system is built with a three-dimensional model of a building through a BIM technology, and when the monitored contact interface is cracked, the background control system displays the cracked monitored contact interface through a red mark through the three-dimensional model of the building, so that monitoring personnel or building safety responsible personnel can intuitively know the position of the cracked interface.
The background monitoring system establishes a database based on the past structural maintenance experience, wherein the database comprises emergency plans when various structures are damaged;
when the monitored contact interface cracks, the background control system sends corresponding plan data to the mobile phone of the building safety responsible person, so that the building safety responsible person can make a decision in time.
When the monitored contact interface is an important structure of a building, the background control system directly feeds the danger information back to the system, and organizes and evacuates people to avoid casualties.
The signal transmitter is embedded in the building material on one side of the monitored contact interface, and the signal receiver is embedded in the building material on the other side of the monitored contact interface.
The signal transmitter is pasted on the building material on one side of the monitored contact interface through glue, and the signal receiver is pasted on the building material on the other side of the monitored contact interface through glue.
The invention has the beneficial effects that: the invention relates to a building contact interface monitoring method, which comprises the following steps: a. installing a signal transmitter on the building material on one side of the monitored contact interface, and installing a signal receiver on the building material on the other side of the monitored contact interface, wherein the signal transmitter and the signal receiver are respectively piezoelectric ceramic intelligent aggregates; the piezoelectric ceramic intelligent aggregate comprises a piezoelectric ceramic sensor and a sensor packaging shell packaged at the periphery of the piezoelectric ceramic sensor, wherein a connecting wire of the piezoelectric ceramic sensor extends out of the sensor packaging shell; the signal emitter is provided with a piezoelectric ceramic controller, and an excitation signal output end of the piezoelectric ceramic controller is connected with a connecting wire of a piezoelectric ceramic sensor of the signal emitter; b. the piezoelectric ceramic controller and the signal receiver are respectively connected with a background control system, the background control system is provided with a labview processing system, the background control system is electrically connected with the piezoelectric ceramic controller, and the signal receiver is electrically connected with the labview processing system; c. the background control system controls the piezoelectric ceramic controller to start, the piezoelectric ceramic controller outputs an excitation signal, the signal transmitter sends out stress waves under the drive of the excitation signal, the stress waves are conducted to the signal receiver after passing through the monitored contact interface, the signal receiver receives the stress waves, and the signal receiver outputs electric signals to the labview processing system after receiving the stress waves; d. the labview processing system processes and analyzes the electric signal fed back by the signal receiver, and analyzes and judges whether the monitored contact interface cracks or not by analyzing the difference between the stress wave received by the signal receiver and the stress wave sent by the signal transmitter; e. when the monitored contact interface cracks, the background control system sends prompt information to the mobile phone of the safety responsible person of the building, and then the contact interface monitoring result is fed back to the safety responsible person of the building in time, so that the safety responsible person of the building can take an emergency plan in time. The building contact interface monitoring method can realize real-time monitoring of the building contact interface and can feed back the cracking condition of the contact interface in time so that relevant personnel can follow up the processing in time; in addition, the building contact interface monitoring method does not damage the building materials, and monitoring data is convenient to obtain and high in efficiency.
Drawings
The invention will be further described with reference to the drawings to which, however, the embodiments shown in the drawings do not constitute any limitation.
Fig. 1 is a schematic view of the installation of the signal transmitter and the signal receiver of the present invention.
In fig. 1, included are:
1-Signal emitter
2-signal receiver
3-monitored contact interface.
Detailed Description
The present invention will be described below with reference to specific embodiments.
A building contact interface monitoring method comprises the following steps:
a. as shown in fig. 1, a signal transmitter 1 is installed on a building material on one side of a monitored contact interface 3, a signal receiver 2 is installed on the building material on the other side of the monitored contact interface 3, and the signal transmitter 1 and the signal receiver 2 are respectively piezoelectric ceramic intelligent aggregates; the piezoelectric ceramic intelligent aggregate comprises a piezoelectric ceramic sensor and a sensor packaging shell packaged at the periphery of the piezoelectric ceramic sensor, wherein a connecting wire of the piezoelectric ceramic sensor extends out of the sensor packaging shell; the signal emitter 1 is provided with a piezoelectric ceramic controller, and an excitation signal output end of the piezoelectric ceramic controller is connected with a connecting wire of a piezoelectric ceramic sensor of the signal emitter 1;
b. the piezoelectric ceramic controller and the signal receiver 2 are respectively connected with a background control system, the background control system is provided with a labview processing system, the background control system is electrically connected with the piezoelectric ceramic controller, and the signal receiver 2 is electrically connected with the labview processing system;
c. the background control system controls the piezoelectric ceramic controller to start, the piezoelectric ceramic controller outputs an excitation signal, the signal transmitter 1 emits a stress wave under the drive of the excitation signal, the stress wave is conducted to the signal receiver 2 after passing through the monitored contact interface 3, the signal receiver 2 receives the stress wave, and the signal receiver 2 outputs an electric signal to the labview processing system after receiving the stress wave;
d. the labview processing system processes and analyzes the electric signal fed back by the signal receiver 2, and analyzes and judges whether the monitored contact interface 3 cracks or not by analyzing the difference between the stress wave received by the signal receiver 2 and the stress wave sent by the signal transmitter 1;
e. when the monitored contact interface 3 cracks, the background control system sends prompt information to the mobile phone of the safety responsible person of the building, and then the contact interface monitoring result is fed back to the safety responsible person of the building in time, so that the safety responsible person of the building can take an emergency plan in time.
The background control system is built with a three-dimensional model of a building through a BIM technology, when the monitored contact interface 3 is cracked, the background control system displays the cracked monitored contact interface 3 through a red mark through the three-dimensional model of the building, so that monitoring personnel or building safety responsible personnel can intuitively know the position of the cracked interface.
In addition, the background monitoring system establishes a database based on the past structural maintenance experience, wherein the database comprises emergency plans when various structures are damaged; when the monitored contact interface 3 is cracked, the background control system sends corresponding plan data to the mobile phone of the building safety responsible person, so that the building safety responsible person can make a decision in time.
And when the monitored contact interface 3 is an important structure of a building, such as a load-bearing column, a shear wall, a load-bearing beam and the like, the background control system directly feeds the danger information back to the system, and the organization evacuates people to avoid casualties. It should be explained that the signal transmitter 1 and the signal receiver 2 of the present invention can be installed in a pre-embedded manner, specifically: the signal transmitter 1 is pre-embedded in the building material on one side of the monitored contact interface 3, and the signal receiver 2 is pre-embedded in the building material on the other side of the monitored contact interface 3. Of course, the signal transmitter 1 and the signal receiver 2 of the present invention may also be mounted in a pasting manner, specifically: the signal transmitter 1 is adhered to the building material on one side of the monitored contact interface 3 through glue, and the signal receiver 2 is adhered to the building material on the other side of the monitored contact interface 3 through glue. It should be emphasized that, for the signal transmitter 1 and the signal receiver 2 which are mounted by the paste method, the operation is simple, namely, the signal transmitter and the signal receiver are used after being pasted, long preparation work at the early stage is eliminated, and the work efficiency is improved.
Through the design of the steps, the building contact interface monitoring method can realize real-time monitoring of the building contact interface and can feed back the cracking condition of the contact interface in time so that related personnel can follow up the processing in time; in addition, the building contact interface monitoring method does not damage the building materials, and monitoring data is convenient to obtain and high in efficiency.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (6)
1. A building contact interface monitoring method is characterized by comprising the following steps:
a. installing a signal transmitter (1) on the building material on one side of the monitored contact interface (3), and installing a signal receiver (2) on the building material on the other side of the monitored contact interface (3), wherein the signal transmitter (1) and the signal receiver (2) are respectively piezoelectric ceramic intelligent aggregates; the piezoelectric ceramic intelligent aggregate comprises a piezoelectric ceramic sensor and a sensor packaging shell packaged at the periphery of the piezoelectric ceramic sensor, wherein a connecting wire of the piezoelectric ceramic sensor extends out of the sensor packaging shell; the signal emitter (1) is provided with a piezoelectric ceramic controller, and an excitation signal output end of the piezoelectric ceramic controller is connected with a connecting wire of a piezoelectric ceramic sensor of the signal emitter (1);
b. the piezoelectric ceramic controller and the signal receiver (2) are respectively connected with a background control system, the background control system is provided with a labview processing system, the background control system is electrically connected with the piezoelectric ceramic controller, and the signal receiver (2) is electrically connected with the labview processing system;
c. the background control system controls the piezoelectric ceramic controller to start, the piezoelectric ceramic controller outputs an excitation signal, the signal transmitter (1) emits a stress wave under the drive of the excitation signal, the stress wave is conducted to the signal receiver (2) after passing through the monitored contact interface (3), the signal receiver (2) receives the stress wave, and the signal receiver (2) outputs an electric signal to the labview processing system after receiving the stress wave;
d. the labview processing system processes and analyzes the electric signal fed back by the signal receiver (2), and analyzes and judges whether the monitored contact interface (3) cracks or not by analyzing the difference between the stress wave received by the signal receiver (2) and the stress wave sent by the signal transmitter (1);
e. when the monitored contact interface (3) cracks, the background control system sends prompt information to the mobile phone of the safety responsible person of the building, and then the contact interface monitoring result is fed back to the safety responsible person of the building in time, so that the safety responsible person of the building can take an emergency plan in time.
2. A building contact interface monitoring method according to claim 1, wherein: the background control system is built with a three-dimensional model of a building through a BIM technology, when the monitored contact interface (3) is cracked, the background control system displays the cracked monitored contact interface (3) through a red mark through the three-dimensional model of the building, so that monitoring personnel or building safety responsible personnel can intuitively know the position of the cracked interface.
3. A building contact interface monitoring method according to claim 1, wherein: the background monitoring system establishes a database based on the past structural maintenance experience, wherein the database comprises emergency plans when various structures are damaged;
when the monitored contact interface (3) cracks, the background control system sends corresponding plan data to the mobile phone of the building safety responsible person, so that the building safety responsible person can make a decision in time.
4. A building contact interface monitoring method according to claim 1, wherein: when the monitored contact interface (3) is an important structure of a building, the background control system directly feeds the danger information back to the system, and organizes and evacuates people to avoid casualties.
5. A building contact interface monitoring method according to claim 1, wherein: the signal transmitter (1) is pre-buried in the building material of being monitored contact surface (3) one side, signal receiver (2) is pre-buried in the building material of being monitored contact surface (3) opposite side.
6. A building contact interface monitoring method according to claim 1, wherein: the signal transmitter (1) is pasted in the building material who is monitored contact interface (3) one side through glue, signal receiver (2) is pasted in the building material who is monitored contact interface (3) opposite side through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331168.0A CN113252776A (en) | 2021-03-29 | 2021-03-29 | Building contact interface monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331168.0A CN113252776A (en) | 2021-03-29 | 2021-03-29 | Building contact interface monitoring method |
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| CN113252776A true CN113252776A (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659441A (en) * | 2022-02-17 | 2022-06-24 | 安徽澄天科技有限责任公司 | Method for measuring micro-deformation of building surface |
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| CN107146024A (en) * | 2017-05-08 | 2017-09-08 | 合肥工业大学 | The three-dimensional dynamic safety management method of building enterprise's overall process |
| CN107561123A (en) * | 2017-09-29 | 2018-01-09 | 长安大学 | A kind of beams of concrete damage monitoring system and monitoring method |
| US20180101167A1 (en) * | 2016-10-11 | 2018-04-12 | General Electric Company | Method and system for in-process monitoring and quality control of additive manufactured parts |
| CN108956767A (en) * | 2018-06-13 | 2018-12-07 | 天津大学 | Based on frequency-comentropy Corroded Reinforced Concrete fatigue damage evaluation method |
| CN110108794A (en) * | 2019-05-20 | 2019-08-09 | 华南理工大学 | A kind of adjustable contact force type supersonic guide-wave damage detection system |
-
2021
- 2021-03-29 CN CN202110331168.0A patent/CN113252776A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180101167A1 (en) * | 2016-10-11 | 2018-04-12 | General Electric Company | Method and system for in-process monitoring and quality control of additive manufactured parts |
| CN107146024A (en) * | 2017-05-08 | 2017-09-08 | 合肥工业大学 | The three-dimensional dynamic safety management method of building enterprise's overall process |
| CN107561123A (en) * | 2017-09-29 | 2018-01-09 | 长安大学 | A kind of beams of concrete damage monitoring system and monitoring method |
| CN108956767A (en) * | 2018-06-13 | 2018-12-07 | 天津大学 | Based on frequency-comentropy Corroded Reinforced Concrete fatigue damage evaluation method |
| CN110108794A (en) * | 2019-05-20 | 2019-08-09 | 华南理工大学 | A kind of adjustable contact force type supersonic guide-wave damage detection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114659441A (en) * | 2022-02-17 | 2022-06-24 | 安徽澄天科技有限责任公司 | Method for measuring micro-deformation of building surface |
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Application publication date: 20210813 |