CN108051820B - Method for detecting underwater laying quality by utilizing sound identification strip - Google Patents
Method for detecting underwater laying quality by utilizing sound identification strip Download PDFInfo
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- CN108051820B CN108051820B CN201711466715.6A CN201711466715A CN108051820B CN 108051820 B CN108051820 B CN 108051820B CN 201711466715 A CN201711466715 A CN 201711466715A CN 108051820 B CN108051820 B CN 108051820B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000001680 brushing effect Effects 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009418 renovation Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 241000446313 Lamella Species 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
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to the field of sonar underwater detection and identification, and provides a method for detecting underwater laying quality by utilizing a sound identification strip, wherein the sound identification strip comprises an upper panel, a middle plate and a lower back plate, and crisscrossed grooves are uniformly distributed on the upper surface of the upper panel; the middle plate is provided with a through hole, and the through hole is tightly connected with the upper layer panel and the lower layer backboard through the middle plate to form a sealing cavity; the bottom of the lower back plate is provided with an inverted U-shaped groove, and the lower back plate is connected to the lap joint part of the soft mattress through the inverted U-shaped groove. The sound recognition strips are densely and uniformly distributed on the soft row overlap joint part, underwater detection and recognition are carried out by using sonar, and an image of the underwater row overlap joint part with bright and dark contrast is obtained, so that the pavement quality is detected. The sound identification strip has the advantages of simple structure, convenient use and good sound absorption performance, and can effectively meet the requirements of underwater pavement quality detection.
Description
Technical Field
The invention relates to the field of sonar underwater detection and identification, in particular to a method for detecting underwater pavement quality by utilizing an acoustic identification strip.
Background
The river bed and the river bank of the river reach at the middle and lower reaches of the Yangtze river are all fine sand which is easy to wash, and the cover layer is thicker, so that the river bed evolves rapidly, the channel is extremely unstable, and the ship at the middle and lower reaches of the Yangtze river is blocked when the channel is sailing. In order to solve this problem, the country has developed channel repair projects. In order to ensure the stability of the channel, a large number of 'beach-fixing and slot-stabilizing' measures are adopted, wherein the beach-protecting and bottom-protecting engineering occupies a considerable proportion. The soft mattress has the characteristics of reverse filtration, isolation, impact resistance, good integrity, strong deformation capability of the river bed and the like, and is widely applied to the engineering such as impact resistance, beach fixing, bank protection and the like after construction of dykes and dams, diversion and the like so as to prevent local deformation damage of the river bed caused by direct flushing of water flow on the river bed and water flow permeation. The method is widely used in the channel renovation engineering of the middle and lower reaches of the Yangtze river, and is characterized in that the soft drainage is widely used in the channel renovation engineering of the middle and lower reaches of the Yangtze river, and due to the influence of a drainage ship, a drainage body structure and water flow in China, phenomena of poor lapping quality of the soft drainage, deviation of the drainage from a preset position and the like easily occur when the water depth and the flow speed are large, so that the quality of the drainage cannot meet the design requirement, the channel renovation effect is influenced, meanwhile, the difficulty is increased for subsequent construction, larger construction risk and higher construction cost are brought, the subsequent work can be performed only under the condition that the quality of the drainage is qualified, and the method is particularly important for the detection of the quality of the drainage.
The traditional paving quality detection mode is generally that the diver is in a diving submarine, in the submarine detection of the diver, the diver works under water and is influenced by various complex factors such as water flow and the like, the uncertainty of the detection result is caused, the detection result is generally judged based on personal experience of the diver, the situation of misjudgment is easy to occur, and besides, the diver detection work can take a large amount of time and labor cost, and certain danger is caused for the diver. With the development of science and technology, the use of the underwater television improves the situation to a certain extent, the underwater television can record the underwater dynamics, provide direct underwater image data and reflect the original appearance of the underwater engineering more truly, but the use of the underwater television still has some problems: the underwater television still needs the diver to carry the diver to the water for detection; if the underwater shooting is not performed as early as possible, the obtained underwater image data is not quite clear due to the influence of sediment; since the overlapping portion of the bank is a focus of detection, a sand flushing operation may be required for photographing the overlapping portion.
The observation and measurement are performed in water, with the best effect being acoustic waves. This is because the distance of other detection means is very short, the penetration of light in water is very limited, and even in the most clear water, people can only see objects within tens of meters to tens of meters; the electromagnetic wave also decays too fast in water, and the shorter the wavelength, the greater the loss, even with high-power low-frequency electromagnetic waves, only a few tens of meters can be propagated. However, the attenuation of sound waves propagating in water is much smaller, and measurements and observations made in water have not been found to be a more efficient means than sound waves.
The sonar imaging is that sound waves are sent by a sound source, the sound waves are reflected back after being emitted and meet objects in water, the intensity and spectrum information of reflected sound signals of different objects are different, the time difference from sending sound waves to receiving reflected sound waves of different distances is also different, and after receiving the information containing rich contents, the receiving equipment of the sonar is subjected to data processing, so that certain information of the objects, such as the distance, the azimuth and the like of the objects from the sonar, can be obtained.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a method for detecting the quality of underwater pavement by utilizing the sound identification strip.
The invention aims at realizing the following technical scheme.
The sound recognition strip comprises an upper panel, a middle plate and a lower back plate, wherein crisscrossed grooves are uniformly distributed on the upper surface of the upper panel; the middle plate is provided with a through hole, and the through hole is tightly connected with the upper layer panel and the lower layer backboard through the middle plate to form a sealing cavity; the bottom of the lower back plate is provided with an inverted U-shaped groove, and the lower back plate is connected to the lap joint part of the soft mattress through the inverted U-shaped groove.
In the above technical scheme, the through holes on the middle plate are cylindrical, and the through holes are uniformly distributed on the middle plate.
In the technical scheme, the sound recognition strip is made of polyurethane materials or rubber materials with good sound absorption performance.
In the technical scheme, the lower back plate is connected with the concrete block through the inverted U-shaped groove. The inverted U-shaped groove structure form of the lower back plate is convenient for installing and laying, and can ensure that the sound identification strip cannot fall off during laying.
The invention provides a method for detecting underwater pavement quality by utilizing the voice recognition strip, which comprises the following steps: the sound recognition strips are densely and uniformly distributed at the overlapping parts of the soft bars in the length direction of the overlapping edges of the arrangement, the sound recognition strips are bound or embedded by brushing adhesive to combine the arrangement ropes, after the arrangement of the arrangement ship is completed, underwater detection recognition is carried out by using sonar, reflected data information is processed by an underwater soft bar real-time monitoring system to obtain images of the overlapping parts of the underwater bars, wherein the soft bars show characteristic bright areas, the sound recognition strips show characteristic dark areas, the obtained overlapping area morphology, namely overlapping area sonar image characteristics of the overlapping areas with different overlapping widths are compared with overlapping area morphology meeting the required overlapping width, so that whether overlapping is qualified is judged, and the quality of the arrangement is detected.
Compared with the prior art, the invention has the following beneficial effects:
1. The sound identification strip has simple manufacturing process and lower cost, and can be laid on the lap joint part of the soft mattress in a large quantity.
2. The sound recognition strip has good sound absorption effect, can be easily detected and recognized by a sonar, and has clear contrast between an imaged image and surrounding soft bars to form a clear image so as to improve the detection quality of the spread bars and reduce the construction cost.
Drawings
Fig. 1 is a schematic view of the structure of the voice recognition strip of the present invention.
Fig. 2 is a perspective view of an upper panel of the inventive voice recognition strip.
Fig. 3 is a front view of an upper panel in the inventive voice recognition strip.
Fig. 4 is a side view of an upper panel in the inventive acoustic identification strip.
Fig. 5 is a perspective view of the intermediate panel of the inventive sound identification strip.
Fig. 6 is a front view of an intermediate panel of the inventive acoustic identification strip.
Fig. 7 is a perspective view of the underlying backplate of the acoustic recognition strip of the present invention.
In the figure: 1. upper deck panel, 2, intermediate lamella, 3, lower floor's backplate, 4, software row, 5, slot, 6, through-hole, 7, the recess of falling U-shaped.
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present invention, the present invention will be further described with reference to the accompanying drawings and specific examples.
As shown in fig. 1 to 7, an embodiment of the present invention provides an acoustic recognition strip, which includes an upper panel 1, a middle panel 2 and a lower back panel 3, wherein crisscrossed grooves 5 are uniformly distributed on the upper surface of the upper panel 1; the middle plate 2 is provided with a through hole 6, and the through hole 6 is tightly connected with the upper layer panel 1 and the lower layer backboard 3 through the middle plate 2 to form a sealing cavity; the bottom of the lower back plate 3 is provided with an inverted U-shaped groove 7, the lower back plate 3 is connected with the concrete blocks through the inverted U-shaped groove 7, and the lower back plate is paved at the overlapping part of the soft mattress.
In the above embodiment, the through holes 6 on the intermediate plate 2 are in a cylindrical form, and the through holes 6 are uniformly distributed on the intermediate plate 2.
In the above embodiment, the sound recognition strip is made of polyurethane material with good sound absorption performance.
In the above embodiment, the lower back plate 3 is connected with the concrete block through the inverted U-shaped groove 7. The inverted U-shaped groove 7 of the lower backboard 3 is convenient for installation and arrangement, and can ensure that the sound recognition strip cannot fall off during arrangement.
The embodiment also provides a method for detecting the underwater pavement quality by using the voice recognition strip: the sound recognition strips are densely and uniformly distributed at the lapping parts of the soft bars, after the laying ship finishes laying, the sound source is used for detecting and recognizing, and sound waves are emitted firstly and reflected back after being emitted and meeting objects in water. Because the sound recognition strip has better sound absorption performance, and the sound absorption performance of the soft body is extremely poor, the intensity and the frequency spectrum information of the reflected sound signals are different. After receiving the information, the sonar receiving equipment processes the reflected data information through an underwater soft bank real-time monitoring system to obtain an image of the overlapping part of the underwater bank, wherein the soft bank presents a characteristic bright area, the sound recognition strip presents a characteristic dark area, and the obtained overlapping area morphology (namely overlapping area sonar image characteristics of different overlapping widths) is compared with the overlapping area morphology of the overlapping width meeting the requirement, so that whether the overlapping is qualified or not is judged, and the quality of the spread bank is detected.
The underwater software bank real-time monitoring system has corresponding software works, and belongs to the prior art known by the skilled person. What is not described in detail in this specification is prior art known to those skilled in the art.
The above examples of the present invention are only illustrative of the present invention and are not intended to be limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. Obvious changes and modifications which are extended by the technical proposal of the invention are still within the protection scope of the invention.
Claims (3)
1. A method for detecting underwater pavement quality by utilizing an acoustic recognition strip is characterized by comprising the following steps of: the sound recognition strip comprises an upper panel, a middle plate and a lower back plate, and is made of polyurethane material or rubber material with good sound absorption performance, and crisscrossed grooves are uniformly distributed on the upper surface of the upper panel; the middle plate is provided with a through hole, and the through hole is tightly connected with the upper layer panel and the lower layer backboard through the middle plate to form a sealing cavity; the bottom of the lower back plate is provided with an inverted U-shaped groove, and the lower back plate is connected to the lap joint part of the soft mattress through the inverted U-shaped groove; the sound recognition strips are densely and uniformly distributed at the overlapping parts of the soft bars in the length direction of the overlapping edges of the arrangement, the sound recognition strips are bound or embedded by brushing adhesive to combine the arrangement ropes, after the arrangement of the arrangement ship is completed, underwater detection recognition is carried out by using sonar, reflected data information is processed by an underwater soft bar real-time monitoring system to obtain images of the overlapping parts of the underwater bars, wherein the soft bars show characteristic bright areas, the sound recognition strips show characteristic dark areas, the obtained overlapping area morphology, namely overlapping area sonar image characteristics of the overlapping areas with different overlapping widths are compared with overlapping area morphology meeting the required overlapping width, so that whether overlapping is qualified is judged, and the quality of the arrangement is detected.
2. The method for underwater pavement quality inspection using a sound recognition strip of claim 1, wherein: the through holes on the middle plate of the sound recognition strip are cylindrical, and the through holes are uniformly distributed on the middle plate.
3. The method for underwater pavement quality inspection using a sound recognition strip of claim 1, wherein: the lower backboard of the sound recognition strip is connected with the concrete block through the inverted U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466715.6A CN108051820B (en) | 2017-12-28 | 2017-12-28 | Method for detecting underwater laying quality by utilizing sound identification strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466715.6A CN108051820B (en) | 2017-12-28 | 2017-12-28 | Method for detecting underwater laying quality by utilizing sound identification strip |
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| Publication Number | Publication Date |
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| CN108051820A CN108051820A (en) | 2018-05-18 |
| CN108051820B true CN108051820B (en) | 2024-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711466715.6A Active CN108051820B (en) | 2017-12-28 | 2017-12-28 | Method for detecting underwater laying quality by utilizing sound identification strip |
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| CN111983622A (en) * | 2020-07-15 | 2020-11-24 | 中交第四航务工程局有限公司 | Visual measurement system and method for armor block |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930862A (en) * | 2012-09-28 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Z-direction enhanced underwater sound absorption sandwich composite material and preparation method for same |
| CN105297677A (en) * | 2015-11-24 | 2016-02-03 | 中船勘察设计研究院有限公司 | Method for positioning concrete mattress by using underwater acoustic beacon |
| CN207704028U (en) * | 2017-12-28 | 2018-08-07 | 武汉长江航道救助打捞局 | A kind of sound identification item |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101141522B1 (en) * | 2010-07-21 | 2012-05-03 | 아주대학교산학협력단 | System and Method for detecting underwater objective |
| CN102979060B (en) * | 2012-12-11 | 2014-11-05 | 上海交通建设总承包有限公司 | Soft mattress paving method |
| CN103744084B (en) * | 2014-01-17 | 2016-06-08 | 武汉长江航道救助打捞局 | One arranges Real-time quality monitoring detection method under water |
| CN106908778A (en) * | 2017-04-18 | 2017-06-30 | 上海达华测绘有限公司 | Detecting system and detection method |
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- 2017-12-28 CN CN201711466715.6A patent/CN108051820B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930862A (en) * | 2012-09-28 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Z-direction enhanced underwater sound absorption sandwich composite material and preparation method for same |
| CN105297677A (en) * | 2015-11-24 | 2016-02-03 | 中船勘察设计研究院有限公司 | Method for positioning concrete mattress by using underwater acoustic beacon |
| CN207704028U (en) * | 2017-12-28 | 2018-08-07 | 武汉长江航道救助打捞局 | A kind of sound identification item |
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| CN108051820A (en) | 2018-05-18 |
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