Ground penetrating radar-audio recognition combined detection underground water supply pipeline and construction method

Abstract

The invention relates to a ground penetrating radar-audio recognition combined detection underground water supply pipeline and a construction method thereof, and mainly relates to a ground penetrating radar pipeline leakage detection three-dimensional model experiment device and a hand-push type geological radar guiding and limiting walking device high underground water level deep buried pipeline sound listening pipe rapid press-in type anti-floating and anti-sinking technology. An underground pipeline leakage non-excavation side grouting plugging model test device relates to a soft soil texture shallow buried pipeline press-in type small steel plate box enclosure excavation technology and mainly comprises a flattening roller, an openable bottom plate, a pipeline, a pipeline support, a geological radar, a sound listening rod, a leakage listening instrument, a sensor, a steel plate box and the like. According to the ground penetrating radar-audio recognition combined detection underground water supply pipeline and the construction method thereof, the safety and efficiency of repairing of the underground water supply pipeline are improved, and meanwhile the adverse effect on the surrounding environment is reduced.

Description

Technical Field

[0001] The invention relates to a ground penetrating radar-audio recognition combined detection of underground water supply pipelines and a construction method, and is mainly applicable to leakage detection and repair construction of underground water supply pipelines. Background Art

[0002] With the acceleration of urbanization and the continuous improvement of infrastructure, the safety and stability of underground water supply pipelines, as an important part of the urban water system, are increasingly valued. However, due to the complexity and concealment of the underground environment, traditional manual excavation and detection methods are not only inefficient, but also easy to cause damage to underground pipelines. Therefore, it is particularly important to develop an efficient, accurate and non-destructive underground water supply pipeline detection technology.

[0003] The combined detection principle of ground penetrating radar and audio recognition technology is to use the high resolution and real-time characteristics of ground penetrating radar to preliminarily locate and detect underground water supply pipes; at the same time, the intelligent recognition and positioning accuracy advantages of audio recognition technology are used to further confirm and locate suspected leakage points. The two complement each other and jointly improve the accuracy and efficiency of underground water supply pipe detection. However, this type of detection method still has a series of shortcomings, and it is difficult to meet the needs of high groundwater levels or deeply buried water supply pipe detection and repair construction.

[0004] Based on the actual requirements of complex construction conditions, high construction quality and tight construction period of engineering projects, an innovative ground penetrating radar-audio recognition combined detection method for underground water supply pipes and construction has high construction efficiency, excellent construction quality and low safety risk, which overcomes the shortcomings of traditional detection methods such as low detection efficiency and low accuracy. Summary of the invention

[0005] The purpose of the present invention is to improve the safety and efficiency of water supply pipeline detection and repair construction, and to overcome the shortcomings of traditional detection methods such as low detection efficiency and low accuracy.

[0006] To achieve the above technical objectives, the present invention adopts the following technical solutions: A construction method for detecting underground water supply pipelines by combining ground penetrating radar and audio recognition comprises the following steps: S00, Installation and use of three-dimensional model experimental device for ground penetrating radar pipeline leakage detection: A three-dimensional model experimental device is installed on the base of the device, with the two sides close to the inclined I-beam, and the bottom plate can be opened to the closed state. A simulated leaking water pipe is installed within the limit of the simulated leaking water pipe, and then the pipe is installed on the pipe bracket, and the pipe water injection pipe is installed. After covering with soil, it is flattened with a flattening roller, and after flattening, the flattening roller is returned to the roller placement groove, and then the experiment is carried out; First, water is injected into the pipeline to conduct a ground penetrating radar test and record the data. Then, the valve is opened and water is injected through the simulated leaking water pipe to simulate the leakage of the pipeline and conduct a ground penetrating radar test and record the data. After one experiment, open the openable bottom plate, discharge the experimental soil, close the openable bottom plate, re-cover the soil and conduct another experiment; S10, installation and use of hand-pushed geological radar guide limited walking device: First, write the walking program of the CNC roller to ensure the guided walking of the CNC roller, then install the geological radar at the bottom, install the leak detector in the leak detector placement slot, and install the leak detector display and the ground penetrating radar display at the same time; When using the listening rod, extend the telescopic limit rod so that the connecting end of the listening rod is connected to the listening rod; S20, Installation and use of deep buried pipe listening tubes at high groundwater levels: Install the tip at the bottom of the press-in steel casing, then drive the press-in steel casing to the designed elevation, and install the hole protection plate and anti-floating steel at the hole; Then place the telescopic support rod at the top tight end of the support rod, and finally install the listening rod; Then the pressed-in steel casing is rotated to lift it up a certain distance, and after the sound detection, the pressed-in steel casing and the sound rod are taken out and grouting is performed to seal them; S30, Installation and use of trenchless side grouting plugging model test device for underground pipeline leakage: After making the plugging model test device, place the steel pipe and concrete pipe in the pipeline placement groove, overlap and plug the middle position, install the arc bottom template and the two side templates on the outside in sequence, and place the template shelf plate on the steel back rib, install the tension bolts, and then pour the concrete plugging, and then remove the mold; Firstly, water is injected into the plugging model test device through the device water inlet pipe, and the water seepage of the test pipe is monitored in the test pipe, and then the water is drained through the drain port; Water is injected into the pipeline through the pipeline inlet pipe, and the water seepage of the pipeline is monitored and detected by the sensor; S40, Construction of small steel box enclosure for shallow buried pipelines in soft soil: Construction is carried out on both sides of the pipeline to be repaired. The steel plate box on one side is pressed into the stress groove, and then pressed into the other side. The two steel plate boxes are then connected by connecting plates. After excavation, the rear support rods are installed in the pointed shelf groove, and the rear channel steel is installed in the channel steel placement groove. Finally, the pipeline is repaired.

[0007] Furthermore, in step S00, the three-dimensional model experimental device is placed on the device base, with inclined I-beams on both sides, an openable bottom plate at the bottom, and a pipe support inside; A simulated leaking water pipe limiter is set at the bottom of the pipe support, a simulated leaking water pipe is set on the simulated leaking water pipe limiter, and the pipe is placed on the pipe support; The interior of the three-dimensional model experimental device is filled with soil, a roller placement groove is arranged on one side of the three-dimensional model experimental device, a support rod is arranged under the roller placement groove, and a flattening roller is arranged in the roller placement groove; The pipeline is connected to the pipeline water injection pipe, the pipeline water injection pipe is connected to the simulated leakage water pipe, and a valve is arranged at the end of the simulated leakage water pipe.

[0008] Further, in step S10, a numerically controlled roller is arranged at the bottom of the guide and limit travel device, and a guide device is arranged on the numerically controlled roller, which is used for guiding the travel according to the designed program route and closing the numerical control mode for manual pushing, and a geological radar is arranged at the bottom of the guide and limit travel device, and two limit frames are arranged at the top; A leak detector display and a ground penetrating radar display are arranged in the limit frame, a leak detector placement slot is arranged on the side, a leak detector is arranged in the leak detector placement slot, the leak detector is connected to the connecting end of the listening rod, a telescopic limit rod is arranged on the leak detector, and the telescopic limit rod is used for limiting the connecting end of the listening rod.

[0009] Furthermore, in step S20, a convex end is provided at the bottom of the press-in steel casing, and the convex end is embedded in a clamping plate on the tip, and after being sunk, the press-in steel casing is rotated so that the convex end is separated from the clamping plate; Then take out the pressed-in steel casing, set an orifice protection plate on the top of the pressed-in steel casing, set a strut top tightening end on the orifice protection plate, set anti-floating steel on the outside of the orifice protection plate, and set a telescopic strut between the two.

[0010] Further, in step S30, a steel base is arranged at the bottom of the plugging model test device, corner reinforcement steels are arranged at the four corners, steel back ribs are arranged at the sides, a drain port, a detection pipe and a pipe water inlet pipe are arranged at the bottom of one side of the plugging model test device, a device water inlet pipe is arranged at the top, the detection pipe and the pipe water inlet pipe are connected to the detection pipe, and the detection pipe is placed on the pipe placement groove; One end of the detection pipeline is a steel pipe and the other end is a concrete pipe. The middle position is a plugging section. A plugging template is arranged on the outside of the plugging section. Template shelf plates are arranged on both sides of the plugging template. The template shelf plates are placed on the back ribs of the steel section. Tension screws are arranged on both sides of the plugging template. Sealing material is arranged in the cavity of the plugging template. A sensor is also arranged at the bottom of the plugging model test device.

[0011] Furthermore, in step S40, a blade angle is set at the bottom of the steel plate box, which consists of two pieces and is placed on both sides of the pipeline. A pointed shelf groove and a channel steel placement groove are set on the side. A rear channel steel is set in the channel steel placement groove. A rear support rod is set in the pointed shelf groove. A steel plate box reinforcement steel is set on the top. A connecting plate is set at the end of the steel plate box reinforcement steel and connected by bolts. A lifting ear and a stress groove are set on the top surface of the steel plate box reinforcement steel.

[0012] Furthermore, the three-dimensional model experimental device is also provided with a roller limiting rod for limiting the position of the flattening roller.

[0013] The ground penetrating radar-audio recognition combination detects underground water supply pipelines, which is constructed by the above-mentioned ground penetrating radar-audio recognition combination detection underground water supply pipeline construction method.

[0014] The present invention has the following characteristics and beneficial effects: 1. The present invention has developed a three-dimensional model experimental device for ground penetrating radar pipeline leakage detection, which improves the experimental efficiency by quickly replacing the covering soil after the experiment through an openable bottom plate.

[0015] 2. The present invention has developed a hand-push geological radar guiding and limiting walking device, which guides and limits the detection of leak detectors and geological radars, thereby improving the effect and accuracy of pipeline leakage detection.

[0016] 3. The present invention has developed a rapid press-in anti-floating and sinking technology for listening tubes in deep-buried pipelines with high groundwater levels, optimized the construction method of using listening rods for detection of deep-buried pipelines with high groundwater levels, and improved the construction efficiency of buried listening rods.

[0017] 4. The present invention has developed a model test device for underground pipeline leakage non-excavation side grouting plugging, which improves the experimental accuracy of pipeline plugging experiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional schematic diagram of a three-dimensional model experimental device for pipeline leakage detection according to an embodiment of the present invention; Figure 2 is a schematic diagram of the internal structure of a device according to an embodiment of the present invention; Figure 3 Schematic diagram of a hand-pushed geological radar guide and limit travel device according to an embodiment of the present invention; Figure 4 Schematic diagram of the quick press-in anti-floating and sinking placement of the listening tube according to an embodiment of the present invention; Figure 5 is a detailed view of the tip of an embodiment of the present invention; Figure 6 Schematic diagram of a trenchless side grouting plugging model test device for underground pipeline leakage according to an embodiment of the present invention; Figure 7 2 is a schematic diagram of the interior of a surge blocking model test device according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the construction of a small steel plate box enclosure according to an embodiment of the present invention; Fig. 9 Schematic diagram of a steel plate box according to an embodiment of the present invention.

[0019] In the figure, 1. pipeline; 2. three-dimensional model experimental device; 3. flattening roller; 4. device base; 5. openable bottom plate; 6. inclined I-beam; 7. pipeline support; 8. roller limit rod; 9. pipeline water injection pipe; 10. valve; 11. simulated leaking water pipe; 12. roller placement groove; 13. support rod; 14. simulated leaking water pipe limit; 15. guide limit walking device; 16. geological radar; 17. CNC roller; 18. leak detector placement groove; 19. leak detector; 20. listening rod connection end; 21. leak detector display; 22. telescopic limit rod; 23. limit frame; 24. ground penetrating radar display; 25. listening rod; 26. telescopic support rod; 27. press-in steel sleeve 1. Pipe; 28. Clamp; 29. ​​Tip; 30. Orifice protection plate; 31. Tight end of support rod; 32. Anti-floating steel; 33. Blocking model test device; 34. Pipe placement groove; 35. Tension screw; 36. Steel base; 37. Sensor; 38. Steel back rib; 39. Corner reinforcement steel; 40. Formwork shelf plate; 41. Blocking section; 42. Device water inlet pipe; 43. Pipe water inlet pipe; 44. Detection pipe; 45. Drain; 46. Connecting plate; 47. Rear support rod; 48. Channel steel placement groove; 49. Stress groove; 50. Shelf groove with tip; 51. Lifting ear; 52. Rear channel steel; 53. Steel plate box reinforcement steel; 54. Steel plate box; 55. Detection pipeline. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0021] Those skilled in the art should understand that, in the disclosure of the present application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present application.

[0022] Example 1 like Figure 1-9 As shown, the construction method of ground penetrating radar-audio recognition combined detection of underground water supply pipelines includes the following steps: S00, Installation and use of three-dimensional model experimental device for ground penetrating radar pipeline leakage detection: A three-dimensional model experimental device 2 is installed on the device base 4, with the two sides close to the inclined I-beams 6, and the bottom plate 5 can be opened to a closed state. A simulated leaking water pipe 11 is installed in the simulated leaking water pipe limit 14, and then the pipeline 1 is installed on the pipeline support 7, and the pipeline water injection pipe 9 is installed. After covering with soil, it is flattened with a flattening roller 3. After flattening, the flattening roller 3 is returned to the roller placement groove 12, and then the experiment is carried out; the three-dimensional model experimental device 2 is also provided with a roller limit rod 8 for limiting the flattening roller 3.

[0023] First, water is injected into the pipe 1 to perform a ground penetrating radar test and record the data. Then, the valve 10 is opened to inject water through the simulated leakage pipe 11 to simulate the leakage of the pipe and perform a ground penetrating radar test and record the data. After one experiment, the openable bottom plate 5 is opened to discharge the experimental soil, and the openable bottom plate 5 is closed and covered with soil again to conduct another experiment; In this embodiment, the three-dimensional model experimental device 2 is placed on a device base 4, with angled I-beams 6 arranged on both sides, an openable bottom plate 5 arranged at the bottom, and a pipe support 7 arranged inside; A simulated leaking water pipe limiter 14 is provided at the bottom of the pipe support 7, a simulated leaking water pipe 11 is provided on the simulated leaking water pipe limiter 14, and the pipe 1 is placed on the pipe support 7; The interior of the three-dimensional model experimental device 2 is filled with soil, a roller placement groove 12 is provided on one side of the three-dimensional model experimental device 2, a support rod 13 is provided under the roller placement groove 12, and a flattening roller 3 is provided in the roller placement groove 12; The pipeline 1 is connected to the pipeline water injection pipe 9, the pipeline water injection pipe 9 is connected to the simulated leakage water pipe 11, and a valve 10 is arranged at the end of the simulated leakage water pipe 11.

[0024] S10, installation and use of hand-pushed geological radar guide limited walking device: First, the walking program of the CNC roller 17 is written to ensure that the CNC roller 17 is guided to walk, and then the geological radar 16 is installed at the bottom, the leak detector 19 is installed in the leak detector placement slot 18, and the leak detector display 21 and the ground penetrating radar display 24 are installed at the same time; When the listening rod 25 is used, the telescopic limit rod 22 is extended so that the listening rod connection end 20 is connected to the listening rod 25; In this embodiment, a numerically controlled roller 17 is arranged at the bottom of the guide and limit travel device 15, and a guide device is arranged on the numerically controlled roller 17, which is used for guiding the travel according to the designed program route and closing the numerical control mode for manual pushing, and a geological radar 16 is arranged at the bottom of the guide and limit travel device 15, and two limit frames 23 are arranged at the top; A leak detector display 21 and a ground penetrating radar display 24 are arranged in the limit frame 23, a leak detector placement slot 18 is arranged on the side, a leak detector 19 is arranged in the leak detector placement slot 18, the leak detector 19 is connected to the connecting end 20 of the listening rod, and a telescopic limiting rod 22 is arranged on the leak detector 19, and the telescopic limiting rod 22 is used to limit the connecting end 20 of the listening rod.

[0025] S20, Installation and use of deep buried pipe sound pipes at high groundwater level: A tip 29 is installed at the bottom of the press-in steel casing 27, and then the press-in steel casing 27 is driven into the designed elevation, and an orifice protection plate 30 and an anti-floating steel 32 are installed at the orifice; Then, the telescopic support rod 26 is placed at the top tight end 31 of the support rod, and finally the listening rod 25 is installed; Then, the press-in steel casing 27 is rotated to raise it by a certain distance, and after the sound detection, the press-in steel casing 27 and the sound rod 25 are taken out and grouting is performed to seal them; In this embodiment, a convex end is arranged at the bottom of the pressed-in steel sleeve 27, and the convex end is embedded in the clamping plate 28 on the tip 29. After being sunk, the pressed-in steel sleeve 27 is rotated to disengage the convex end from the clamping plate 28; then the pressed-in steel sleeve 27 is taken out, and an orifice protection plate 30 is arranged on the top of the pressed-in steel sleeve 27, a strut tightening end 31 is arranged on the orifice protection plate 30, an anti-floating steel 32 is arranged on the outer side of the orifice protection plate 30, and a telescopic strut 26 is arranged between the two.

[0026] S30, Installation and use of trenchless side grouting plugging model test device for underground pipeline leakage: After making the plugging model test device 33, place the steel pipe and the concrete pipe in the pipeline placement groove 34, overlap and plug the middle position, then install the arc bottom template and the two side templates on the outside in sequence, and place the template shelf plate 40 on the steel back rib 38, install the tension bolts, and then pour the concrete plugging, and then remove the mold; First, water is injected into the plugging model test device 33 through the device water inlet pipe 42, and the water seepage of the detection pipeline 55 is monitored in the detection pipe 44, and then the water is drained through the drainage port 45; Water is injected into the pipeline through the pipeline water inlet pipe 43, and the water seepage of the pipeline 55 is monitored and detected by the sensor 37; In this embodiment, a steel base 36 is arranged at the bottom of the plugging model test device 33, corner reinforcement steels 39 are arranged at the four corners, and a steel back rib 38 is arranged on the side. A drain outlet 45, a detection tube 44 and a pipe water inlet pipe 43 are arranged at the bottom of one side of the plugging model test device 33, and a device water inlet pipe 42 is arranged at the upper part. The detection tube 44 and the pipe water inlet pipe 43 are connected to the detection pipe 55, and the detection pipe 55 is placed on the pipe placement groove 34; one end of the detection pipe 55 is a steel pipe and the other end is a concrete pipe, and the middle position is a plugging section 41, a plugging template is arranged on the outside of the plugging section 41, template shelf plates 40 are arranged on both sides of the plugging template, and the template shelf plates 40 are placed on the steel back rib 38, tension screws 35 are arranged on both sides of the plugging template, and plugging material is arranged in the cavity of the plugging template. A sensor 37 is also arranged at the bottom of the plugging model test device 33.

[0027] S40, Construction of small steel plate box enclosure for shallow buried pipelines in soft soil: Construction is carried out on both sides of the pipeline to be repaired. The steel plate box 54 on one side is pressed into the stress groove 49, and then pressed into the other side. The two steel plate boxes 54 are then connected by the connecting plate 46. After excavation, the rear support rod 47 is installed in the pointed shelf groove 50, and the rear channel steel 52 is installed in the channel steel placement groove 48, and finally the pipeline is repaired.

[0028] In this embodiment, a blade angle is set at the bottom of the steel plate box 54, which consists of two pieces and is placed on both sides of the pipeline 1. A pointed shelf groove 50 and a channel steel placement groove 48 are set on the side. A rear channel steel 52 is set in the channel steel placement groove 48, and a rear support rod 47 is set in the pointed shelf groove 50. A steel plate box reinforcement steel 53 is set on the top, and a connecting plate 46 is set at the end of the steel plate box reinforcement steel 53 and connected by bolts. A lifting ear 51 and a force groove 49 are set on the top surface of the steel plate box reinforcement steel.

[0029] Example 2 Based on Example 1, this example provides a ground penetrating radar-audio recognition combination for detecting underground water supply pipes, which is constructed by the construction method of Example 1.

[0030] The ground penetrating radar-audio recognition combined detection of underground water supply pipelines mainly includes a ground penetrating radar pipeline leakage detection three-dimensional model experimental device, a hand-push geological radar guided limiting walking device, a high groundwater level deep buried pipeline listening tube rapid press-in anti-floating and sinking technology, an underground pipeline leakage non-excavation side grouting plugging model test device, and a soft soil shallow buried pipeline press-in small steel plate box enclosure excavation technology.

[0031] The parts not described in detail in this application are prior art, so this application does not describe them in detail.

[0032] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0033] Although this article uses more professional terms, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of this application; interpreting them as any additional restrictions is contrary to the spirit of this application.

[0034] The present application is not limited to the above-mentioned optimal implementation mode. Anyone can derive other forms of products under the inspiration of this application. However, no matter what changes are made in the shape or structure, all technical solutions that are the same or similar to those of the present application fall within the protection scope of the present application.

Claims

1. A construction method for detecting underground water supply pipelines by combining ground penetrating radar and audio recognition, characterized in that: The following steps are involved: S00, Installation and use of three-dimensional model experimental device for ground penetrating radar pipeline leakage detection: A three-dimensional model experimental device (2) is installed on the device base (4), with the two sides close to the inclined I-beam (6), and the openable bottom plate (5) is in a closed state. A simulated leaking water pipe (11) is installed in the simulated leaking water pipe limiter (14), and then a pipe (1) is installed on the pipe support (7), and a pipe water injection pipe (9) is installed. After covering with soil, the flattening roller (3) is used to flatten the flattening roller (3). After flattening, the flattening roller (3) is returned to the roller placement groove (12), and then the experiment is carried out; First, water is injected into the pipeline (1), a ground penetrating radar test is performed and data is recorded, then a valve (10) is opened, water is injected through a simulated leakage water pipe (11), a ground penetrating radar test is performed to simulate pipeline leakage and data is recorded; After one experiment, the openable bottom plate (5) is opened to discharge the experimental soil, and the openable bottom plate (5) is closed to cover the soil again and conduct another experiment; S10, installation and use of hand-pushed geological radar guide limited walking device: First, a walking program of the numerical control roller (17) is written to ensure that the numerical control roller (17) is guided to walk, and then a geological radar (16) is installed at the bottom, a leak detector (19) is installed in the leak detector placement slot (18), and a leak detector display (21) and a ground penetrating radar display (24) are installed at the same time; When the listening rod (25) is used, the telescopic limit rod (22) is extended so that the listening rod connection end (20) is connected to the listening rod (25); S20, Installation and use of deep buried pipe listening tubes at high groundwater levels: A tip (29) is installed at the bottom of the press-fit steel casing (27), and then the press-fit steel casing (27) is driven into the hole to the designed elevation, and a hole protection plate (30) and anti-floating steel (32) are installed at the hole. Then, a telescopic support rod (26) is placed on the top tightening end (31) of the support rod, and finally the listening rod (25) is installed; Then, the press-in steel casing (27) is rotated to raise it a certain distance, and after a sound detection, the press-in steel casing (27) and the sound rod (25) are taken out and grouting is performed to seal the casing; S30, Installation and use of trenchless side grouting plugging model test device for underground pipeline leakage: After manufacturing the plugging model test device (33), a steel pipe and a concrete pipe are placed in the pipeline placement groove (34), and after overlapping and plugging the middle position, an arc bottom template and two side templates are sequentially installed on the outside, and a template shelf plate (40) is placed on the steel back rib (38), and after installing the tension bolts, concrete plugging is poured, and then the mold is removed; Firstly, water is injected into the plugging model test device (33) through the device water inlet pipe (42), the water seepage of the detection pipeline (55) is monitored in the detection pipe (44), and then the water is drained through the drainage port (45); Injecting water into the pipeline through the pipeline water inlet pipe (43), and monitoring the water seepage of the pipeline (55) through the sensor (37); S40, Construction of small steel box enclosure for shallow buried pipelines in soft soil: Construction is carried out on both sides of the pipeline to be repaired. A steel plate box (54) on one side is pressed into the stress groove (49), and then the other side is pressed into the other side. The two steel plate boxes (54) are then connected via a connecting plate (46). After excavation, a rear support rod (47) is installed in a pointed shelving groove (50), and a rear channel steel (52) is installed in a channel steel placement groove (48). Finally, the pipeline is repaired.

2. The construction method of ground penetrating radar-audio recognition combined detection of underground water supply pipelines according to claim 1 is characterized in that: In step S00, the three-dimensional model experimental device (2) is placed on a device base (4), with inclined I-beams (6) arranged on both sides, an openable bottom plate (5) arranged at the bottom, and a pipe support (7) arranged inside; A simulated leaking water pipe limiter (14) is arranged at the bottom of the pipe support (7), a simulated leaking water pipe (11) is arranged on the simulated leaking water pipe limiter (14), and the pipe (1) is placed on the pipe support (7); The interior of the three-dimensional model experimental device (2) is filled with soil, a roller placement groove (12) is provided on one side of the three-dimensional model experimental device (2), a support rod (13) is provided under the roller placement groove (12), and a flattening roller (3) is provided in the roller placement groove (12); The pipeline (1) is connected to a pipeline water injection pipe (9), the pipeline water injection pipe (9) is connected to a simulated leakage water pipe (11), and a valve (10) is provided at the end of the simulated leakage water pipe (11).

3. The construction method of ground penetrating radar-audio recognition combined detection of underground water supply pipelines according to claim 1 is characterized in that: In step S10, a numerically controlled roller (17) is arranged at the bottom of the guide and position-limiting walking device (15), and a guide device is arranged on the numerically controlled roller (17) for guiding walking according to a designed program route and for hand pushing in closing the numerical control mode. A geological radar (16) is arranged at the bottom of the guide and position-limiting walking device (15), and two limit frames (23) are arranged at the top; A leak detector display (21) and a ground penetrating radar display (24) are arranged in the limiting frame (23), a leak detector placement slot (18) is arranged on the side, a leak detector (19) is arranged in the leak detector placement slot (18), the leak detector (19) is connected to the sound listening rod connection end (20), the leak detector (19) is provided with a telescopic limiting rod (22), and the telescopic limiting rod (22) is used to limit the sound listening rod connection end (20).

4. The construction method of ground penetrating radar-audio recognition combined detection of underground water supply pipelines according to claim 1 is characterized in that: In step S20, a convex end is provided at the bottom of the press-in steel sleeve (27), and the convex end is embedded in a clamping plate (28) on the tip (29). After sinking, the press-in steel sleeve (27) is rotated so that the convex end is separated from the clamping plate (28); Then, the press-in steel casing (27) is taken out, and an orifice protection plate (30) is arranged on the top of the press-in steel casing (27). A support rod top tightening end (31) is arranged on the orifice protection plate (30), and an anti-floating steel (32) is arranged on the outer side of the orifice protection plate (30), and a telescopic support rod (26) is arranged between the two.

5. The construction method of ground penetrating radar-audio recognition combined detection of underground water supply pipelines according to claim 1 is characterized in that: In step S30, a steel base (36) is arranged at the bottom of the plugging model test device (33), corner reinforcement steels (39) are arranged at the four corners, and a steel back rib (38) is arranged at the side. A drainage port (45), a detection tube (44) and a pipeline water inlet pipe (43) are arranged at the bottom of one side of the plugging model test device (33), and a device water inlet pipe (42) is arranged at the top. The detection tube (44) and the pipeline water inlet pipe (43) are connected to the detection pipe (55), and the detection pipe (55) is placed on the pipeline placement groove (34); One end of the detection pipeline (55) is a steel pipe and the other end is a concrete pipe, the middle position is a plugging section (41), a plugging template is arranged outside the plugging section (41), template shelf plates (40) are arranged on both sides of the plugging template, the template shelf plates (40) are placed on the steel back rib (38), tension screws (35) are arranged on both sides of the plugging template, and a plugging material is arranged in the cavity of the plugging template. A sensor (37) is also arranged at the bottom of the plugging model test device (33).

6. The construction method for detecting underground water supply pipelines by combining ground penetrating radar and audio recognition according to any one of claims 1 to 5, characterized in that: In step S40, the steel plate box (54) is provided with a cutting edge at the bottom, and is composed of two pieces, which are placed on both sides of the pipeline (1), and the side is provided with a pointed shelf groove (50) and a channel steel placement groove (48), a rear channel steel (52) is arranged in the channel steel placement groove (48), a rear support rod (47) is arranged in the pointed shelf groove (50), a steel plate box reinforcement steel (53) is arranged on the top, a connecting plate (46) is arranged at the end of the steel plate box reinforcement steel (53) and connected by bolts, and a lifting ear (51) and a stress groove (49) are arranged on the top surface of the steel plate box reinforcement steel.

7. The construction method for detecting underground water supply pipelines by combining ground penetrating radar and audio recognition according to any one of claims 1 to 5, characterized in that: The three-dimensional model experimental device (2) is also provided with a roller limiting rod (8) for limiting the position of the flattening roller (3).

8. Ground penetrating radar-audio recognition combined detection of underground water supply pipelines, characterized in that: The method is constructed by the ground penetrating radar-audio recognition combined detection of underground water supply pipelines as described in any one of claims 1 to 7.

Images