CN112362749A - Leakage detection method, device and system for grouting joint filling - Google Patents
Leakage detection method, device and system for grouting joint filling Download PDFInfo
- Publication number
- CN112362749A CN112362749A CN202011293722.2A CN202011293722A CN112362749A CN 112362749 A CN112362749 A CN 112362749A CN 202011293722 A CN202011293722 A CN 202011293722A CN 112362749 A CN112362749 A CN 112362749A
- Authority
- CN
- China
- Prior art keywords
- leakage
- determining
- grouting
- energy
- main frequency
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 238000012360 testing method Methods 0.000 claims abstract description 108
- 239000000523 sample Substances 0.000 claims abstract description 31
- 239000011440 grout Substances 0.000 claims abstract description 23
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 21
- 238000005429 filling process Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
-
- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
Landscapes
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The application discloses a leakage detection method for grouting joint filling, which comprises the following steps: when compressed air is injected into one air outlet hole of the bin body where the grouting joint filling to be detected is located and other air outlet holes and grouting holes are filled, receiving a test signal when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected; determining leakage energy of the current position of the grout joint to be tested according to the test signal; judging whether the leakage energy exceeds an energy reference value; when the leakage energy exceeds the energy reference value, determining the current position as a leakage position; when the leakage energy does not exceed the energy reference value, the current position is determined to have no leakage, and the gap filling leakage position can be detected. In addition, the application also provides a device and a system with the advantages.
Description
Technical Field
The application relates to the field of building detection, in particular to a grouting joint filling leakage detection method, device and system.
Background
The sleeve grouting is used for connecting vertical members (such as shear walls and frame columns) and horizontal members (such as frame beams), and is a key process for prefabricating, assembling and building construction. Grouting holes 2 are distributed above grouting joints 1 of the bin body, and exhaust holes 3 are distributed above the grouting holes 2, as shown in figure 1, when the existing assembly type building grouting sleeve is in grouting joint construction, the detection on joint filling quality is lacked, and whether leakage exists in joint filling can not be determined.
Therefore, how to solve the above technical problems should be a great concern to those skilled in the art.
Disclosure of Invention
The application aims to provide a grouting joint filling leakage detection method, device and system so as to detect whether leakage exists during joint filling.
In order to solve the technical problem, the present application provides a method for detecting leakage of grouting joint filling, including:
when compressed air is injected into one air outlet hole of the bin body where the grouting joint filling to be detected is located and other air outlet holes and grouting holes are filled, receiving a test signal when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected;
determining leakage energy of the current position of the grout joint to be tested according to the test signal;
judging whether the leakage energy exceeds an energy reference value;
when the leakage energy exceeds the energy reference value, determining the current position as a leakage position;
and when the leakage energy does not exceed the energy reference value, determining that no leakage exists at the current position.
Optionally, the determining, according to the test signal, the leakage energy of the current position of the grout joint to be tested includes:
determining the leakage energy according to a preset formula; the preset formula is as follows:
in the formula, ELTo leak energy, Amp is the amplitude of the test signal, t1 is the start time of test signal reception, and t2 is the end time of test signal reception.
Optionally, after determining that the current position is the leakage position, the method further includes:
and sending prompt information to prompt equipment to remind a tester.
Optionally, after determining that the current position is the leakage position, the method further includes:
when compressed air is injected into an exhaust hole of a cabin body where the calibrated grouting joint filling is located and other exhaust holes and grouting holes are filled, receiving calibration test signals when an ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting joint filling respectively;
converting each calibration test signal to obtain a corresponding frequency domain graph, and determining a main frequency corresponding to each leakage channel according to the frequency domain graph;
determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency;
acquiring a main frequency to be detected corresponding to the leakage position;
and determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
Optionally, the determining the relationship between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency includes:
fitting the radius of the leakage channel and the main frequency, and determining a relation between the radius of the leakage channel and the main frequency as follows:
R＝0.04e1.288f-0.018
wherein R is the radius of the leakage channel, and f is the main frequency.
The application still provides a leakage detection device that grout is caulked, includes:
the first receiving module is used for receiving a test signal when the ultrasonic test probe moves and scans at the bottom of the grouting joint to be tested when compressed air is injected into one exhaust hole of the cabin body where the grouting joint to be tested is located and other exhaust holes and grouting holes are plugged;
the first determining module is used for determining the leakage energy of the current position of the grout joint to be tested according to the test signal;
the judging module is used for judging whether the leakage energy exceeds an energy reference value;
the second determination module is used for determining that the current position is a leakage position when the leakage energy exceeds the energy reference value;
and the third determination module is used for determining that no leakage exists in the current position when the leakage energy does not exceed the energy reference value.
Optionally, the method further includes:
the second receiving module is used for receiving calibration test signals when the ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting and filling process respectively when compressed air is injected into one exhaust hole of the bin body where the calibrated grouting and filling process is located and other exhaust holes and grouting holes are filled;
the conversion and determination module is used for converting each calibration test signal to obtain a corresponding frequency domain graph, and determining a main frequency corresponding to each leakage channel according to the frequency domain graph;
the fourth determining module is used for determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency;
the acquisition module is used for acquiring the main frequency to be detected corresponding to the leakage position;
and the fifth determining module is used for determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
Optionally, the method further includes:
and the sending module is used for sending prompt information to the prompt equipment so as to remind the tester.
The application also provides a leakage detection system that grout is caulked, includes:
the ultrasonic testing probe comprises a wiring, a metal joint and a piezoelectric ceramic wafer;
an air compressor;
and the leakage detection equipment is used for executing the steps of the grouting and caulking leakage detection method.
Optionally, the method further includes:
and the shielding shell is arranged at the outer edge of the metal joint.
The application provides a grouting joint filling leakage detection method, which comprises the following steps: when compressed air is injected into one air outlet hole of the bin body where the grouting joint filling to be detected is located and other air outlet holes and grouting holes are filled, receiving a test signal when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected; determining leakage energy of the current position of the grout joint to be tested according to the test signal; judging whether the leakage energy exceeds an energy reference value; when the leakage energy exceeds the energy reference value, determining the current position as a leakage position; and when the leakage energy does not exceed the energy reference value, determining that no leakage exists at the current position.
It can be seen that in the application, when one exhaust hole of the bin body where the grouting joint filling to be detected is filled with compressed air and other exhaust holes and grouting holes are filled, a test signal generated when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected is detected and measured by ultrasonic, the leakage energy of each position is determined according to the test signal, and then the leakage energy is compared with an energy reference value.
In addition, the application also provides a device and a system with the advantages.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an ultrasonic probe scanning in a cartridge body;
fig. 2 is a flowchart of a grouting joint filling leakage detection method according to an embodiment of the present disclosure;
FIG. 3 is a flow chart of another grouting joint filling leakage detection method according to an embodiment of the present disclosure;
FIG. 4 is a frequency domain plot of leakage paths with radii of 0mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm in sequence;
fig. 5 is a block diagram illustrating a structure of a grouting caulking leakage detection apparatus according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural diagram of an ultrasonic testing probe provided in an embodiment of the present application;
FIG. 7 is a schematic diagram of a shear wall finite element model during a simulated grouting joint filling cross-section test according to the present application;
FIG. 8 is a time domain waveform of nine test point test signals as simulated by the present application;
FIG. 9 is a contour plot of leakage energy for nine test points during simulation of the present application.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As described in the background section, the existing grouting and joint filling construction of the prefabricated construction grouting sleeve lacks the detection of joint filling quality, and cannot determine whether the joint filling has a leakage part.
In view of the above, the present application provides a grouting and caulking leakage detection method, please refer to fig. 2, where fig. 2 is a flowchart of a grouting and caulking leakage detection method provided in an embodiment of the present application, and the method includes:
step S101: when compressed air is injected into one air outlet of the bin body where the grouting joint filling to be detected is located and other air outlets and grouting holes are plugged, a test signal generated when the ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected is received.
Referring to fig. 1, grouting holes 2 are distributed above a grouting joint 1 of a bin body, vent holes 3 are distributed above the grouting holes 2, and an ultrasonic testing probe 4 moves along a preset scanning direction.
It should be noted that, the number of the exhaust holes is plural, and only one exhaust hole needs to be selected arbitrarily to inject compressed air, and other exhaust holes and grouting holes are plugged for testing, and the test is performed without injecting compressed air into each exhaust hole one by one. Because the grouting hole is close to the grouting joint, in order to improve the detection accuracy, compressed air is injected from the exhaust hole at the upper part of the grouting hole.
In order to ensure the detection accuracy, the ultrasonic testing probe moves point by point at the bottom of the grouting joint filling to be detected, and the ultrasonic testing probe can receive a testing signal at each position.
Step S102: and determining the leakage energy of the current position of the grout joint to be tested according to the test signal.
Specifically, the determining the leakage energy of the current position of the grout joint to be tested according to the test signal includes:
determining the leakage energy according to a preset formula; the preset formula is as follows:
in the formula, ELTo leak energy, Amp is the amplitude of the test signal, t1 is the start time of test signal reception, and t2 is the end time of test signal reception.
Step S103: and judging whether the leakage energy exceeds an energy reference value.
The process of acquiring the energy reference value is as follows: when compressed air is injected into one air outlet of the bin body where grouting and filling are carried out, and other air outlets and grouting holes are filled, a test signal of the ultrasonic test probe at the position where no leakage exists during grouting and filling is received, and when a signal to be tested is stable, calculation is carried out according to the formula (1) by utilizing the test signal, and the obtained leakage energy is used as an energy reference value.
Step S104: and when the leakage energy exceeds the energy reference value, determining the current position as a leakage position.
Step S105: and when the leakage energy does not exceed the energy reference value, determining that no leakage exists at the current position.
The injection of compressed air can make the atmospheric pressure of storehouse body inside rise, and when the ultrasonic testing probe was filled a joint at the bottom and was removed the scanning, if there was the leakage point in the grout joint, because the atmospheric pressure difference of storehouse body inside, the gas of storehouse body inside can leak from the position of leaking, catches the signal that the position of leaking produced through the ultrasonic testing probe, thereby calculates the energy of leaking and with can the benchmark value comparison confirm whether there is the leakage in the current position.
Compressed air is injected into an exhaust hole of the bin body where the grouting joint filling to be detected is located, other exhaust holes and grouting holes are plugged, a test signal generated when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected is detected and measured through ultrasonic detection, the leakage energy of each position is determined according to the test signal, then the leakage energy is compared with an energy reference value, when the leakage energy does not exceed the energy reference value, leakage does not exist at the current position, when the leakage energy exceeds the energy reference value, the current position is determined to be the leakage position, and the detection of the leakage position of the joint filling is realized.
Further, in an embodiment of the present application, after determining that the current position is the leakage position, the method further includes:
and sending prompt information to prompt equipment to remind a tester.
The prompt message includes, but is not limited to, a voice message and/or a text message.
Referring to fig. 3, fig. 3 is a flowchart illustrating another grouting caulking leakage detection method according to an embodiment of the present disclosure.
Step S201: when compressed air is injected into one air outlet of the bin body where the grouting joint filling to be detected is located and other air outlets and grouting holes are plugged, a test signal generated when the ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected is received.
Step S202: and determining the leakage energy of the current position of the grout joint to be tested according to the test signal.
Step S203: and judging whether the leakage energy exceeds an energy reference value.
Step S204: and when the leakage energy exceeds the energy reference value, determining the current position as a leakage position.
Step S205: when compressed air is injected into one exhaust hole of the bin body where the calibrated grouting joint filling is located, and other exhaust holes and grouting holes are plugged, calibration test signals of the ultrasonic test probe when the ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting joint filling are received.
It should be noted that, in the present application, the radius and the number of the leakage passages are not specifically limited, and may be set by themselves. For example, the radii of the plurality of leak paths are set to 0mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm in this order, and the corresponding number is 6, although it is also possible to set more or reduce the number of leak paths of known radius.
It can be understood that when the compressed air is injected into the bin body where the calibrated grouting joint filling is located, the compressed air is injected from only one exhaust hole as the grouting joint filling to be detected.
Step S206: and converting each calibration test signal to obtain a corresponding frequency domain graph, and determining the main frequency corresponding to each leakage channel according to the frequency domain graph.
Preferably, the converting each calibration test signal to obtain a corresponding frequency domain map includes:
and converting each calibration test signal by using fast Fourier transform to obtain the frequency domain diagram so as to accelerate the conversion speed and shorten the detection time. The frequency domain diagram of the leakage channel with the radius of 0mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm and 1mm in sequence is shown in fig. 4, wherein the abscissa is the frequency and the ordinate is the amplitude of the calibration test signal. The main frequency is the frequency corresponding to the maximum amplitude of the calibrated test signal of each leakage channel.
Step S207: and determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency.
Optionally, the determining the relationship between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency includes:
fitting the radius of the leakage channel and the main frequency, and determining a relation between the radius of the leakage channel and the main frequency as follows:
R＝0.04e1.288f-0.018 (2)
wherein R is the radius of the leakage channel, and f is the main frequency.
Step S208: and acquiring the main frequency to be detected corresponding to the leakage position.
The determination process of the main frequency to be detected comprises the following steps: and performing fast Fourier transform on the test signal of the leakage position to obtain a frequency domain graph corresponding to the leakage position, and determining the frequency corresponding to the maximum amplitude as the main frequency to be tested from the frequency domain graph.
Step S209: and determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
Specifically, the main frequency to be measured is substituted in the formula (2), and the leakage size of the leakage position can be obtained.
The leakage detection method provided by the embodiment can further detect the size of the leakage position after the leakage position is determined, and detection is more comprehensive and diversified.
Preferably, after determining the leak size of the leak location, the method further comprises sending the leak size to a display device for observation and recording by a constructor.
The grouting and caulking leakage detection device provided by the embodiment of the present application is introduced below, and the grouting and caulking leakage detection device described below and the grouting and caulking leakage detection method described above may be referred to in correspondence.
Fig. 5 is a block diagram of a structure of a grouting-caulking leakage detection apparatus according to an embodiment of the present application, and the grouting-caulking leakage detection apparatus according to fig. 5 may include:
the first receiving module 100 is used for receiving a test signal when the ultrasonic test probe moves and scans at the bottom of the grouting joint to be tested when compressed air is injected into one exhaust hole of the cabin body where the grouting joint to be tested is located and other exhaust holes and grouting holes are plugged;
a first determining module 200, configured to determine, according to the test signal, leakage energy of the current position of the grout joint to be tested;
the judging module 300 is configured to judge whether the leakage energy exceeds an energy reference value;
a second determining module 400, configured to determine that the current position is a leakage position when the leakage energy exceeds the energy reference value;
a third determining module 500, configured to determine that there is no leak at the current location when the leak energy does not exceed the energy reference value.
The grouting and caulking leakage detection device of this embodiment is used for implementing the grouting and caulking leakage detection method, and therefore specific embodiments of the grouting and caulking leakage detection device can be seen in the foregoing example portions of the grouting and caulking leakage detection method, for example, the first receiving module 100, the first determining module 200, the judging module 300, the second determining module 400, and the third determining module 500 are respectively used for implementing steps S101, S102, S103, S104, and S105 in the grouting and caulking leakage detection method, so specific embodiments thereof may refer to descriptions of corresponding respective partial examples, and are not repeated herein.
Optionally, the first determining module 200 is specifically configured to determine the leakage energy according to a preset formula; the preset formula is as follows:
in the formula, ELTo leak energy, Amp is the amplitude of the test signal, t1 is the start time of test signal reception, and t2 is the end time of test signal reception.
Optionally, the grouting joint filling leakage detection device further comprises:
and the sending module is used for sending prompt information to the prompt equipment so as to remind the tester.
Optionally, the grouting joint filling leakage detection device further comprises:
the second receiving module is used for receiving calibration test signals when the ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting and filling process respectively when compressed air is injected into one exhaust hole of the bin body where the calibrated grouting and filling process is located and other exhaust holes and grouting holes are filled;
the conversion and determination module is used for converting each calibration test signal to obtain a corresponding frequency domain graph, and determining a main frequency corresponding to each leakage channel according to the frequency domain graph;
the fourth determining module is used for determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency;
the acquisition module is used for acquiring the main frequency to be detected corresponding to the leakage position;
and the fifth determining module is used for determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
Optionally, the fourth determining module is specifically configured to fit the radius of the leakage channel and the dominant frequency, and determine a relationship between the radius of the leakage channel and the dominant frequency as follows:
R＝0.04e1.288f-0.018 (2)
wherein R is the radius of the leakage channel, and f is the main frequency.
The application also provides a leakage detection system that grout is caulked, includes:
an ultrasonic instrument with an ultrasonic test probe including a wiring 41, a metal joint 42, and a piezoelectric ceramic wafer 43; wherein, the structure schematic diagram of the ultrasonic testing probe is shown in fig. 6;
an air compressor; used for injecting compressed air into the bin body;
and the leakage detection equipment is used for executing the steps of the grouting and caulking leakage detection method of any one of the embodiments.
Preferably, the leak detection system further comprises:
and the shielding shell 44 is arranged at the outer edge of the metal joint so as to prevent field noise from interfering with the test signal and improve the detection accuracy.
The leak location detection provided by the present application is verified in the following simulation.
And 2, setting a plurality of test points at intervals of 5cm at the grouting joint, simulating the test of the grouting joint section, and counting 18 test points as shown in fig. 7, wherein the fourteenth test point is a leakage point, and a cylindrical leakage channel is arranged at the leakage point.
And 3, selecting the air vent on the leftmost side to apply grouting pressure, and receiving test signals at different test points by using an ultrasonic detection probe.
And 4, selecting time domain waveforms of the test signals of the nine test points, as shown in FIG. 8, wherein the test point 8 is a leakage position.
And 5, calculating the leakage energy of each test point in the nine test points through the formula (1) and drawing a contour map, wherein as shown in FIG. 9, the value of the leakage energy is larger as the color is darker, and the leakage point at the position of 0.7m of the test position can be seen from the contour map, which shows that the method in the application is effective.
Because only one test point in the nine test points is a leakage position, the test point corresponding to the maximum leakage energy value is the leakage point.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The method, device and system for detecting the leakage of grouting and caulking provided by the application are described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. A grouting joint filling leakage detection method is characterized by comprising the following steps:
when compressed air is injected into one air outlet hole of the bin body where the grouting joint filling to be detected is located and other air outlet holes and grouting holes are filled, receiving a test signal when an ultrasonic test probe moves and scans at the bottom of the grouting joint filling to be detected;
determining leakage energy of the current position of the grout joint to be tested according to the test signal;
judging whether the leakage energy exceeds an energy reference value;
when the leakage energy exceeds the energy reference value, determining the current position as a leakage position;
and when the leakage energy does not exceed the energy reference value, determining that no leakage exists at the current position.
2. The grouting caulking leakage detection method according to claim 1, wherein the determining of the leakage energy of the current position of the grouting caulking to be tested according to the test signal comprises:
determining the leakage energy according to a preset formula; the preset formula is as follows:
in the formula, ELTo leak energy, Amp is the amplitude of the test signal, t1 is the start time of test signal reception, and t2 is the end time of test signal reception.
3. A method of grout gap filling leak detection as claimed in claim 1, further comprising, after determining that the current location is a leak location:
and sending prompt information to prompt equipment to remind a tester.
4. A method of leak detection of grout caulking according to any of claims 1 to 3, wherein after determining that the current position is a leak position, further comprising:
when compressed air is injected into an exhaust hole of a cabin body where the calibrated grouting joint filling is located and other exhaust holes and grouting holes are filled, receiving calibration test signals when an ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting joint filling respectively;
converting each calibration test signal to obtain a corresponding frequency domain graph, and determining a main frequency corresponding to each leakage channel according to the frequency domain graph;
determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency;
acquiring a main frequency to be detected corresponding to the leakage position;
and determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
5. The method of grout gap filling leak detection of claim 4, wherein said determining a relationship of leak channel radius and dominant frequency from said leak channel radius and said dominant frequency comprises:
fitting the radius of the leakage channel and the main frequency, and determining a relation between the radius of the leakage channel and the main frequency as follows:
R＝0.04e1.288f-0.018
wherein R is the radius of the leakage channel, and f is the main frequency.
6. A grouting caulking leakage detection device is characterized by comprising:
the first receiving module is used for receiving a test signal when the ultrasonic test probe moves and scans at the bottom of the grouting joint to be tested when compressed air is injected into one exhaust hole of the cabin body where the grouting joint to be tested is located and other exhaust holes and grouting holes are plugged;
the first determining module is used for determining the leakage energy of the current position of the grout joint to be tested according to the test signal;
the judging module is used for judging whether the leakage energy exceeds an energy reference value;
the second determination module is used for determining that the current position is a leakage position when the leakage energy exceeds the energy reference value;
and the third determination module is used for determining that no leakage exists in the current position when the leakage energy does not exceed the energy reference value.
7. A grout caulking leak detection device according to claim 6, further comprising:
the second receiving module is used for receiving calibration test signals when the ultrasonic test probe scans the bottoms of a plurality of leakage channels with known radiuses in the calibrated grouting and filling process respectively when compressed air is injected into one exhaust hole of the bin body where the calibrated grouting and filling process is located and other exhaust holes and grouting holes are filled;
the conversion and determination module is used for converting each calibration test signal to obtain a corresponding frequency domain graph, and determining a main frequency corresponding to each leakage channel according to the frequency domain graph;
the fourth determining module is used for determining the relation between the radius of the leakage channel and the main frequency according to the radius of the leakage channel and the main frequency;
the acquisition module is used for acquiring the main frequency to be detected corresponding to the leakage position;
and the fifth determining module is used for determining the leakage size of the leakage position according to the relation among the main frequency to be detected, the radius of the leakage channel and the main frequency.
8. A grout caulking leak detection device according to claim 6 or 7, further comprising:
and the sending module is used for sending prompt information to the prompt equipment so as to remind the tester.
9. A grout joint filling leak detection system, comprising:
the ultrasonic testing probe comprises a wiring, a metal joint and a piezoelectric ceramic wafer;
an air compressor;
a leak detection apparatus for performing the steps of the grout caulking leak detection method of any one of claims 1 to 5.
10. A grout caulk leak detection system as defined in claim 9 further comprising:
and the shielding shell is arranged at the outer edge of the metal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293722.2A CN112362749A (en) | 2020-11-18 | 2020-11-18 | Leakage detection method, device and system for grouting joint filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011293722.2A CN112362749A (en) | 2020-11-18 | 2020-11-18 | Leakage detection method, device and system for grouting joint filling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112362749A true CN112362749A (en) | 2021-02-12 |
Family
ID=74533492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011293722.2A Pending CN112362749A (en) | 2020-11-18 | 2020-11-18 | Leakage detection method, device and system for grouting joint filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112362749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964786A (en) * | 2021-04-23 | 2021-06-15 | 南通现代建筑产业发展有限公司 | Sleeve grouting connection defect detection system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623421A (en) * | 1995-11-03 | 1997-04-22 | Rensselaer Polytechnic Institute | Monitoring pressurized vessels for leaks, ruptures or hard hits |
| JPH11183303A (en) * | 1997-12-19 | 1999-07-09 | Sapporo Breweries Ltd | Leak detecting method and device for container |
| JP2003065880A (en) * | 2001-08-23 | 2003-03-05 | Hazama Gumi Ltd | Inspection method and inspection system of water leak spot of building |
| US20140074410A1 (en) * | 2011-02-18 | 2014-03-13 | Rolls-Royce Corporation | Detection and measurement of defect size and shape using ultrasonic fourier-transformed waveforms |
| US20150276540A1 (en) * | 2014-03-26 | 2015-10-01 | General Monitors, Inc. | Ultrasonic gas leak detectors and testing methods |
| US20170089801A1 (en) * | 2015-09-24 | 2017-03-30 | Hyundai Motor Company | Hole detection method of vehicle and system performing the same |
| CN209416618U (en) * | 2018-12-29 | 2019-09-20 | 汉威科技集团股份有限公司 | A kind of novel online scan-type ultrasonic gas leak detection system |
| CN110953487A (en) * | 2019-12-23 | 2020-04-03 | 杭州绿洁环境科技股份有限公司 | Pipeline leakage detection method and equipment |
-
2020
- 2020-11-18 CN CN202011293722.2A patent/CN112362749A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623421A (en) * | 1995-11-03 | 1997-04-22 | Rensselaer Polytechnic Institute | Monitoring pressurized vessels for leaks, ruptures or hard hits |
| JPH11183303A (en) * | 1997-12-19 | 1999-07-09 | Sapporo Breweries Ltd | Leak detecting method and device for container |
| JP2003065880A (en) * | 2001-08-23 | 2003-03-05 | Hazama Gumi Ltd | Inspection method and inspection system of water leak spot of building |
| US20140074410A1 (en) * | 2011-02-18 | 2014-03-13 | Rolls-Royce Corporation | Detection and measurement of defect size and shape using ultrasonic fourier-transformed waveforms |
| US20150276540A1 (en) * | 2014-03-26 | 2015-10-01 | General Monitors, Inc. | Ultrasonic gas leak detectors and testing methods |
| US20170089801A1 (en) * | 2015-09-24 | 2017-03-30 | Hyundai Motor Company | Hole detection method of vehicle and system performing the same |
| CN209416618U (en) * | 2018-12-29 | 2019-09-20 | 汉威科技集团股份有限公司 | A kind of novel online scan-type ultrasonic gas leak detection system |
| CN110953487A (en) * | 2019-12-23 | 2020-04-03 | 杭州绿洁环境科技股份有限公司 | Pipeline leakage detection method and equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964786A (en) * | 2021-04-23 | 2021-06-15 | 南通现代建筑产业发展有限公司 | Sleeve grouting connection defect detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110230780B (en) | Water supply pipeline leakage detection method based on ground penetrating radar three-dimensional image attribute analysis | |
| CN101896809B (en) | Method and apparatus for electrochemical corrosion monitoring | |
| CN108593721B (en) | Method and device for detecting whether full grouting sleeve is full by resistance method | |
| CN102565186B (en) | The nondestructive inspection of the structure in aircraft | |
| KR19980063886A (en) | Insulation device diagnostic system and partial discharge detection method | |
| US20150142344A1 (en) | Method and apparatus for measuring partial discharge charge value in frequency domain | |
| EP2207044A1 (en) | A signal phase difference measurement method, apparatus and system | |
| CN112362749A (en) | Leakage detection method, device and system for grouting joint filling | |
| CN106679916A (en) | Anti-seismic experimental method and test system of GIS device | |
| CN111896848B (en) | Internal discharge positioning method, terminal, system and storage medium of power transmission line | |
| ATE298427T1 (en) | METHOD FOR DIAGNOSING INSULATION DEGRADATION IN UNDERGROUND CABLES | |
| CN112763170A (en) | System and method for detecting vibration resistance of superconducting cable | |
| Prato et al. | Metrological traceability of a digital 3-axis MEMS accelerometers sensor network | |
| EP0826140A1 (en) | Intensity acoustic calibrator | |
| CN109342571B (en) | Noise reduction performance test method for sound insulation cover | |
| CN110824007B (en) | Tubular pile crack detection method and system | |
| CN111830137B (en) | Testing system and evaluation method for underwater vibration isolation effect of vibration isolator | |
| CN111122085B (en) | Structure assembly quality evaluation method based on power distribution characteristics | |
| CN206876855U (en) | A kind of transformer suspension electrode partial discharge model | |
| JP7235265B2 (en) | Concrete structure diagnostic method and its diagnostic device | |
| CN213902798U (en) | Superconducting cable anti vibration performance detecting system | |
| CN112393857A (en) | Method, device and system for detecting leakage size of grouting joint filling and electronic equipment | |
| CN115575614A (en) | Simulation test and compactness detection method for inclined box type column height-throwing self-compacting concrete | |
| CN111239557B (en) | Partial discharge positioning method based on online calibration | |
| RU2091816C1 (en) | Method of monitoring degree of fullness of underground gas storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |