Bridge and tunnel co-construction pile foundation settlement detection device

Abstract

The invention relates to the technical field of detection equipment, in particular to a bridge and tunnel co-construction pile foundation settlement detection device, which comprises a measurement structure, a detection structure and a control structure, the storage structure is used for storing fluid, and the storage structure is communicated with the measuring structure through a flow guide hose; the fixing frame is used for supporting the storage structure, and the fixing frame is fixed to a wall; wherein when the pile foundation body settles, the liquid level of the fluid in the measuring structure and the liquid level of the fluid in the storage structure change; the storage structure is fixed on the wall, so that the influence of external vibration and displacement on a measurement result is reduced, a stable reference point is conveniently provided for the liquid level in the measurement structure, and the accuracy of settlement measurement is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of detection equipment, and in particular to a bridge-tunnel co-construction pile foundation settlement detection device. Background Art

[0002] With the acceleration of global urbanization, the demand for transportation infrastructure construction continues to increase. Bridges and tunnels, as an indispensable part of the modern transportation system, play an important role in connecting different geographical regions, promoting economic development and improving the quality of life of residents. In the context of the city's pursuit of efficient and intensive construction, the design line of underground tunnels is usually built under the municipal ground road. When crossing rivers and passing under elevated roads, it is difficult to avoid intersections with bridges. The design concept of "bridge-tunnel co-construction" came into being. The concentrated load of the bridge will cause the internal force and deformation of the tunnel structure to change sharply, and it is easy to cause structural strength damage, crack width development and uneven settlement, which will affect the normal use of the tunnel. The settlement and deformation of the tunnel directly affect the safety of the upper bridge structure. How to control the settlement of the tunnel structure is the key to the co-construction structure.

[0003] Pile foundation is the basic component of the bridge-tunnel co-construction structure. It transfers the load of the superstructure to the deep foundation to ensure the safety and stability of the structure. Pile foundation settlement refers to the phenomenon that the pile foundation moves over time under the load. Excessive settlement will not only affect the normal use of bridges and tunnels, but may also cause structural deformation or even damage, thus bringing serious safety hazards and economic losses. Therefore, timely and accurate detection of pile foundation settlement is of great significance for preventing accidents, guiding maintenance and extending the service life of the structure.

[0004] The existing pile foundation settlement detection method usually uses the relative position relationship between a standard pile foundation and the pile foundation to be tested to complete the detection. A connecting bridge is built between the reference pile foundation and the pile foundation to be tested. When the pile foundation to be tested settles, the connecting bridge tilts and the length changes. The vertical detection of the pile foundation settlement is completed by measuring the inclination angle of the connecting bridge or the changed length. However, since this measurement method requires a rigid connection between the standard pile foundation and the pile foundation to be tested, its assembly is easily affected by the size of the construction site space. In addition, the pile foundation to be tested is easily subject to vibration, displacement, settlement, etc. of the standard pile foundation due to vehicle driving vibration during normal use, affecting the detection accuracy. Summary of the invention

[0005] In view of at least one of the above technical problems, the present invention provides a bridge-tunnel co-construction pile foundation settlement detection device, the specific technical solution adopted by the device is: A bridge-tunnel co-construction pile foundation settlement detection device of the present invention comprises: The measuring structure is installed on the pile foundation; A storage structure, used for storing fluid, wherein the storage structure is connected to the measuring structure via a fluid guiding hose; A fixing frame, used for supporting the storage structure, and the fixing frame is fixed on the wall; When the pile base settles, both the fluid level in the measuring structure and the fluid level in the storage structure will change.

[0006] A bridge-tunnel co-construction pile foundation settlement detection device of the present invention, the measurement structure comprises: A standpipe is used to store liquid and is vertical; A first air pipe is vertically slidably disposed inside the vertical pipe, and the first air pipe divides the interior of the vertical pipe into a first storage chamber at a lower side and a first air chamber at an upper side; A first floating plate, mounted on the top of the vertical pipe, for communicating with the first air chamber; Wherein, the side wall of the vertical pipe is inlaid with glass, and the glass is provided with a scale for recording the position of the first air pipe in the vertical pipe, and the liquid in the diversion hose can flow into the first storage chamber.

[0007] A bridge-tunnel co-construction pile foundation settlement detection device of the present invention, the measurement structure also includes: A horizontal cylinder is horizontally mounted on the side wall of the vertical pipe, and the horizontal cylinder is communicated with the first storage chamber; A piston is laterally slidable in the horizontal cylinder and is used to seal the horizontal cylinder; An electronic pressure gauge is installed in the horizontal cylinder and connected to the piston. The electronic pressure gauge is used to detect the thrust of the liquid on the piston.

[0008] The present invention provides a bridge-tunnel co-construction pile foundation settlement detection device, wherein the number of the measuring structures is multiple and they are distributed in a circle around the axis of the pile base body, a diversion hose is arranged at the bottom of the multiple measuring structures, the diversion hose is connected to each vertical pipe, and the diversion hose is connected to the diversion hose.

[0009] A bridge-tunnel co-construction pile foundation settlement detection device of the present invention, wherein an annular groove is provided on the outer wall of the pile foundation, and slopes are provided on the upper and lower sides of the annular groove, and an isolation cover is sleeved on the annular groove, and multiple measurement structures are located in the annular groove, and the measurement structures are fixed on the inner wall of the isolation cover; The isolation cover is provided with a through hole for observing the scale on the glass.

[0010] A bridge-tunnel co-construction pile foundation settlement detection device of the present invention, the storage structure comprises: A vertical barrel, used for storing liquid, wherein the vertical barrel is vertical, and an outer wall of the vertical barrel is fixedly connected to a fixing frame; A second floating plate is vertically slidable in the vertical barrel, and the second floating plate divides the internal space of the vertical barrel into a second storage chamber at a lower side and a second air chamber at an upper side, and the guide hose is in communication with the second storage chamber; The second air pipe is installed on the side wall of the vertical barrel and is communicated with the second air chamber.

[0011] The present invention discloses a bridge-tunnel co-construction pile foundation settlement detection device, wherein the side wall of the vertical barrel is open, a movable plate is arranged in the open hole for horizontal sliding, a connecting plate is arranged on the outer side wall of the movable plate, and the connecting plate is fastened to the vertical barrel by bolts.

[0012] The present invention provides a bridge-tunnel co-construction pile foundation settlement detection device, wherein the second floating plate is composed of a U-shaped plate, a flat plate and a connecting rod, the connecting rod is located in the U-shaped plate and is slidably connected to each other, the flat plate is laterally slidably connected to the connecting rod, the flat plate is laterally inserted into the U-shaped plate, a through opening is opened at the bottom of the U-shaped plate, the through opening is used to connect the second storage chamber and the inside of the U-shaped plate, the U-shaped plate is vertically slidably installed on the inner wall of the vertical barrel, and the flat plate is vertically slidably installed on the side wall of the movable plate.

[0013] In a bridge-tunnel co-construction pile foundation settlement detection device of the present invention, a flow-slowing structure is provided on the vertical barrel, and the flow-slowing structure comprises: The barrel cover is fixed vertically on the top of the vertical barrel; A magnetic column is located in the barrel cover, wherein the bottom of the magnetic column slides through the vertical barrel and is fixed to the top of the U-shaped plate; The electromagnetic coil is located in the barrel cover, and the electromagnetic coil is sleeved on the outside of the magnetic column, and the two ends of the electromagnetic coil are connected through a resistor.

[0014] In the bridge-tunnel co-construction pile foundation settlement detection device of the present invention, the second air pipe is rotatably mounted on the vertical barrel, and the end of the second air pipe away from the vertical barrel droops naturally.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By fixing the storage structure on the wall, the influence of external vibration and displacement on the measurement results is reduced, and a stable reference point is provided for the liquid level in the measuring structure, thereby improving the accuracy of settlement measurement; by adopting liquid level changes and diversion hoses to realize pile base body settlement detection, it can be allowed to adapt to different construction site space and location requirements, and the diversion hose can also isolate the vibration transmitted from the measuring structure to the storage structure, making the installation of the device more flexible and not restricted by strict assembly conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 Schematic diagram of the explosion structure of the pile basic body and the isolation cover in the embodiment of the present invention; Figure 3 is a schematic structural diagram of an isolation cover in an embodiment of the present invention; Figure 4 is a schematic diagram of the structure inside the isolation cover in an embodiment of the present invention; Figure 5 is a schematic structural diagram of a measurement structure in an embodiment of the present invention; Figure 6 is a schematic structural diagram of a vertical pipe in an embodiment of the present invention; Figure 7 is a schematic diagram of a storage structure in an embodiment of the present invention; Figure 8 2 is a schematic diagram of the structure of a vertical barrel in an embodiment of the present invention; Fig. 9 Schematic diagram of the structure of the second floating plate in the embodiment of the present invention.

[0018] Reference numerals: 100, pile basic body; 101, annular groove; 102, slope surface; 103, isolation cover; 200, measuring structure; 201, vertical pipe; 202, first air pipe; 203, first floating plate; 204, glass; 205, horizontal cylinder; 206, piston; 207, electronic pressure gauge; 208, diverter hose; 300, storage structure; 301, vertical barrel; 302, second floating plate; 302a, U-shaped plate; 302b, flat plate; 302c, connecting rod; 302d, through port; 303, second air pipe; 304, movable plate; 305, connecting plate; 306, barrel cover; 307, magnetic column; 308, electromagnetic coil; 400, fixed frame; 500. Diversion hose. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figure 1 As shown, a bridge-tunnel co-construction pile foundation settlement detection device of the present invention comprises: The measuring structure 200 is installed on the pile base 100; The storage structure 300 is used to store fluid, and the storage structure 300 is connected to the measuring structure 200 through a fluid guiding hose 500; A fixing frame 400 is used to support the storage structure 300, and the fixing frame 400 is fixed on the wall; When the pile basic body 100 settles, the liquid level of the fluid in the measuring structure 200 and the liquid level of the fluid in the storage structure 300 will change; The fluid is a low-viscosity liquid, which can be one of water, ethanol, glycerol and other liquids. Since the measuring structure 200 and the storage structure 300 are connected through the guide hose 500, the fluid liquid levels in the measuring structure 200 and the storage structure 300 are at the same height position. When the pile basic body 100 sinks, the height position of the measuring structure 200 drops. At this time, the liquid level position in the measuring structure 200 rises relative to its initial position in the measuring structure 200, and the liquid level position in the measuring structure 200 drops as a whole. The liquid level position in the storage structure 300 also drops. In this way, the amount of settlement of the pile basic body 100 can be measured by measuring the change in the liquid level position in the measuring structure 200, thereby achieving The settlement detection work of the pile basic body 100 is carried out. Since the storage structure 300 is fixed on the tunnel wall by the fixing frame 400, the storage structure 300 is less affected by external factors, and it can provide a precise initial liquid level height for the liquid in the measuring structure 200. The measuring structure 200 and the storage structure 300 are connected by the guide hose 500, so that the flow of fluid between the measuring structure 200 and the storage structure 300 can be realized, and since the guide hose 500 can be bent and deformed, it can isolate the vibration transmitted from the measuring structure 200 to the storage structure 300, and this structural method is simple, and its requirements for assembly space, assembly position and other conditions are reduced, and it is only necessary to allow the fluid to flow through the guide hose 500.

[0021] The specific structure of the measurement structure 200 is as follows: Figures 5 and 6 As shown, including: A vertical pipe 201 is used for storing liquid, and the vertical pipe 201 is vertical; A first air pipe 202 is vertically slidably disposed inside the vertical pipe 201, and the first air pipe 202 divides the interior of the vertical pipe 201 into a first storage chamber at a lower side and a first air chamber at an upper side; A first floating plate 203 is installed on the top of the vertical pipe 201 and is used to communicate with the first air chamber; The side wall of the vertical pipe 201 is inlaid with glass 204, and the glass 204 is provided with a scale for recording the position of the first air pipe 202 in the vertical pipe 201, so that the liquid in the diversion hose 500 can flow into the first storage chamber; The first floating plate 203 floats on the liquid surface in the first storage chamber, so that the first floating plate 203 can stabilize the liquid surface, avoid liquid surface fluctuations, improve detection accuracy, and avoid air from entering the liquid, thereby achieving the effect of gas-liquid isolation; the liquid in the guide hose 500 will flow into the first storage chamber from the bottom of the vertical pipe 201, and the height position of the first floating plate 203 can be intuitively detected by using the scale on the glass 204, so that when the pile basic body 100 settles, the vertical pipe 201 moves down synchronously, and the liquid surface in the vertical pipe 201 rises relative to the vertical pipe 201, that is, the first floating plate 203 moves up in the vertical pipe 201, and the position of the first floating plate 203 is observed by the scale, so that the settlement value of the pile basic body 100 can be intuitively detected; when the first floating plate 203 moves up in the vertical pipe 201, the space in the first air chamber is reduced, and the air in it will be discharged through the first air pipe 202, thereby avoiding the air pressure from interfering with the position of the first floating plate 203.

[0022] Of course, in order to further improve the detection accuracy and facilitate the purpose of remote detection, such as Figure 6 As shown, the measurement structure 200 also includes: A horizontal cylinder 205 is horizontally mounted on the side wall of the vertical pipe 201, and the horizontal cylinder 205 is communicated with the first storage chamber; The piston 206 is slidably disposed in the horizontal cylinder 205 and is used to seal the horizontal cylinder 205; An electronic pressure gauge 207 is installed in the horizontal cylinder 205 and connected to the piston 206. The electronic pressure gauge 207 is used to detect the thrust of the liquid on the piston 206; Since the greater the depth of the liquid, the higher its pressure, using this method, when the liquid level height position in the vertical pipe 201 changes, the lateral thrust of the liquid on the piston 206 also changes. In this way, the pressure change detected by the electronic pressure gauge 207 can detect the change in the liquid level position, thereby realizing the accurate detection of the settlement of the pile basic body 100. In combination with commonly used data processors, data transmission equipment, data receiving equipment, etc., it is possible to realize the remote detection of the settlement of the pile basic body 100, which is convenient for workers to detect and manage.

[0023] By utilizing the random flow characteristics of liquid, when multiple measuring structures 200 are configured on the pile basic body 100, and the multiple measuring structures 200 are distributed in a circle around the pile basic body 100, if the changes in the liquid level positions in the multiple measuring structures 200 are inconsistent, it can be determined that the pile basic body 100 tilts while settling, thereby realizing the diverse detection of the settlement mode of the pile basic body 100. Specifically, Figure 3 to Figure 4 As shown, there are multiple measuring structures 200, which are distributed in a circle around the axis of the pile basic body 100. A diverter hose 208 is provided at the bottom of the multiple measuring structures 200. The diverter hose 208 is connected to each vertical pipe 201, and the diverter hose 208 is connected to the diversion hose 500. In this way, the diversion hose 500 and the diverter hose 208 can simultaneously supply fluid to the interior of multiple vertical pipes 201. This can be further expanded. When multiple pile basic bodies 100 need to be inspected, a storage structure 300 and a fluid guiding hose 500 can be used to supply fluid to the measuring structures 200 on the multiple pile basic bodies 100 to achieve a wide range of inspection work.

[0024] like Figure 2 As shown, an annular groove 101 is provided on the outer wall of the pile basic body 100, and slopes 102 are provided on the upper and lower sides of the annular groove 101. An isolation cover 103 is sleeved on the annular groove 101, and a plurality of measuring structures 200 are all located in the annular groove 101, and the measuring structures 200 are fixed on the inner wall of the isolation cover 103; The isolation cover 103 is provided with a through hole for observing the scale on the glass 204; When workers observe on site, they can directly observe the position of the scale of the first floating plate 203 on the glass 204 through the through hole on the isolation cover 103. The opening of the annular groove 101 and the setting of the isolation cover 103 are mainly for isolating, protecting and installing multiple measuring structures 200. The setting of the slope 102 is to avoid the opening of the annular groove 101 causing the strength of the pile basic body 100 to decrease. The diversion hose 500 will pass through the isolation cover 103 and be connected to the diversion hose 208. It should be pointed out here that for the convenience of assembly, a connector can be used between the diversion hose 208 and the diversion hose 500.

[0025] The specific structure of the storage structure 300 is as follows: Figures 7 and 8 As shown, including: The vertical barrel 301 is used to store liquid. The vertical barrel 301 is vertical, and the outer wall of the vertical barrel 301 is fixedly connected to the fixing frame 400; The second floating plate 302 is vertically slidable in the vertical barrel 301, and the second floating plate 302 divides the internal space of the vertical barrel 301 into a second storage chamber at a lower side and a second air chamber at an upper side, and the guide hose 500 is connected to the second storage chamber; The second air pipe 303 is installed on the side wall of the vertical barrel 301 and communicates with the second air chamber; The fixing frame 400 is directly mounted on the outer wall of the vertical barrel 301. The second storage chamber is used to store liquid. The second floating plate 302 is used to suppress the liquid in the vertical barrel 301 to avoid violent fluctuations in the liquid level. When the pile basic body 100 sinks, the liquid level in the vertical barrel 301 drops, and the second floating plate 302 drops synchronously. At this time, the outside air can be supplemented into the second air chamber through the second air pipe 303, thereby maintaining a normal pressure state above the second floating plate 302.

[0026] Since the storage structure 300 can be adapted to one pile basic body 100 or multiple pile basic bodies 100, it is necessary to make the volume of the storage structure 300 adjustable in different working environments to improve its convenience of use and ensure that the change in the liquid level height in the storage structure 300 can meet the use requirements of multiple measurement structures 200, such as Figure 8 As shown, the side wall of the vertical barrel 301 is open, and a movable plate 304 is arranged in the open for transverse sliding, and a connecting plate 305 is arranged on the outer side wall of the movable plate 304, and the connecting plate 305 is fastened to the vertical barrel 301 by bolts. When the transverse position of the movable plate 304 in the vertical barrel 301 is adjusted, the space size of the second storage chamber changes, thereby adjusting the liquid storage space, and the arrangement of the connecting plate 305 and the bolts can lock the movable plate 304 after the position adjustment of the movable plate 304 is completed; It should be pointed out here that when the movable plate 304 moves in the vertical barrel 301, the cross-sectional area of ​​the liquid in the second storage chamber will change. Since the cross-sectional area of ​​the liquid in the vertical pipe 201 is fixed, when the vertical pipe 201 descends, the position of the movable plate 304 in the vertical barrel 301 is different, and the amount of decrease in the liquid level in the second storage chamber is different. In this way, the amount of descent of the second floating plate 302 can be adjusted, that is, the descent sensitivity of the second floating plate 302 can be adjusted. When a structure for measuring the height position of the second floating plate 302, such as a laser rangefinder, is provided on the second floating plate 302, the detection accuracy can be adjusted by adjusting the descent sensitivity of the second floating plate 302, that is, the geological conditions of the area covered by the multiple pile basic bodies 100 can be evaluated by detecting the change in the position of the second floating plate 302.

[0027] like Fig. 9As shown, the second floating plate 302 is composed of a U-shaped plate 302a, a flat plate 302b and a connecting rod 302c, the connecting rod 302c is located in the U-shaped plate 302a and is slidably connected to each other, the flat plate 302b is slidably connected to the connecting rod 302c transversely, the flat plate 302b is transversely inserted into the U-shaped plate 302a, the bottom of the U-shaped plate 302a is provided with a through hole 302d, the through hole 302d is used to connect the second storage chamber and the inside of the U-shaped plate 302a, the U-shaped plate 302a is vertically slidably installed on the inner wall of the vertical barrel 301, and the flat plate 302b is vertically slidably installed on the side wall of the movable plate 304; Among them, the connecting rod 302c is used to connect the U-shaped plate 302a and the flat plate 302b, so that the U-shaped plate 302a and the flat plate 302b are coplanar in the horizontal direction and together form a structure that can suppress the liquid in the second storage chamber, and the structure can isolate the second storage chamber and the second air chamber. When the movable plate 304 moves, the U-shaped plate 302a and the flat plate 302b slide relatively, and the U-shaped plate 302a and the flat plate 302b can always form a closed plane; when the flat plate 302b moves relative to the U-shaped plate 302a, the size of the internal space of the U-shaped plate 302a changes, and at this time, the liquid can enter and exit the internal space of the U-shaped plate 302a through the through hole 302d.

[0028] When the liquid flows in the measuring structure 200 and the storage structure 300, in order to avoid the detection error caused by the inertia of the liquid flow, it is necessary to set a slow flow structure on the vertical barrel 301, such as Figure 8 As shown, the slow flow structure includes: The barrel cover 306 is vertically fixed on the top of the vertical barrel 301; The magnetic column 307 is located in the barrel cover 306, and the bottom of the magnetic column 307 slides through the vertical barrel 301 and is fixed on the top of the U-shaped plate 302a; The electromagnetic coil 308 is located in the barrel cover 306, and the electromagnetic coil 308 is sleeved on the outside of the magnetic column 307, and the two ends of the electromagnetic coil 308 are connected through a resistor; There is a magnetic field around the magnetic column 307, and the electromagnetic coil 308 is located in the magnetic field. When the second floating plate 302 moves vertically, the magnetic column 307 will move synchronously, and the magnetic field around the electromagnetic coil 308 will change, thereby generating an induced current in the electromagnetic coil 308. The back electromotive force generated by the induced current in the electromagnetic coil 308 will hinder the movement of the magnetic column 307, so that the magnetic column 307 can only move slowly, thereby generating a damping effect on the movement of the second floating plate 302 and the flow of the fluid, and the damping method always maintains an effect opposite to the movement direction of the magnetic column 307.

[0029] The second air pipe 303 is rotatably mounted on the vertical barrel 301, and the end of the second air pipe 303 away from the vertical barrel 301 hangs down naturally; In the natural state, the air in the second air chamber is connected to the outside through the second air pipe 303. At this time, the end of the second air pipe 303 away from the vertical barrel 301 naturally droops. When liquid is initially added to the vertical barrel 301, the second air pipe 303 can be rotated and its opening can face upward. The movable plate 304 moves to the open position of the side wall of the vertical barrel 301. At this time, the internal space of the second storage chamber reaches its maximum value, the U-shaped plate 302a and the flat plate 302b are separated from each other and are always connected by the connecting rod 302c. The liquid can fall into the second storage chamber through the gap between the U-shaped plate 302a and the flat plate 302b, thereby realizing the liquid addition work.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A bridge-tunnel co-construction pile foundation settlement detection device, characterized in that: include: The measuring structure is installed on the pile foundation; A storage structure, used for storing fluid, wherein the storage structure is connected to the measuring structure via a fluid guiding hose; A fixing frame, used for supporting the storage structure, and the fixing frame is fixed on the wall; When the pile base settles, both the fluid level in the measuring structure and the fluid level in the storage structure will change.

2. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 1, characterized in that: The measurement structure comprises: A standpipe is used to store liquid and is vertical; A first air pipe is vertically slidably disposed inside the vertical pipe, and the first air pipe divides the interior of the vertical pipe into a first storage chamber at a lower side and a first air chamber at an upper side; A first floating plate, mounted on the top of the vertical pipe, for communicating with the first air chamber; Wherein, the side wall of the vertical pipe is inlaid with glass, and the glass is provided with a scale for recording the position of the first air pipe in the vertical pipe, and the liquid in the diversion hose can flow into the first storage chamber.

3. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 2, characterized in that: The measurement structure also includes: A horizontal cylinder is horizontally mounted on the side wall of the vertical pipe, and the horizontal cylinder is communicated with the first storage chamber; A piston is laterally slidable in the horizontal cylinder and is used to seal the horizontal cylinder; An electronic pressure gauge is installed in the horizontal cylinder and connected to the piston. The electronic pressure gauge is used to detect the thrust of the liquid on the piston.

4. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 3, characterized in that: There are multiple measuring structures, which are distributed in a circle around the axis of the pile base body. A diverter hose is arranged at the bottom of the multiple measuring structures. The diverter hose is connected to each vertical pipe, and the diverter hose is connected to the guide hose.

5. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 1, characterized in that: An annular groove is provided on the outer wall of the pile body, and slopes are provided on the upper and lower sides of the annular groove. An isolation cover is sleeved on the annular groove, and multiple measuring structures are located in the annular groove, and the measuring structures are fixed on the inner wall of the isolation cover. The isolation cover is provided with a through hole for observing the scale on the glass.

6. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 1, characterized in that: The storage structure includes: A vertical barrel, used for storing liquid, wherein the vertical barrel is vertical, and an outer wall of the vertical barrel is fixedly connected to a fixing frame; A second floating plate is vertically slidable in the vertical barrel, and the second floating plate divides the internal space of the vertical barrel into a second storage chamber at a lower side and a second air chamber at an upper side, and the guide hose is in communication with the second storage chamber; The second air pipe is installed on the side wall of the vertical barrel and is communicated with the second air chamber.

7. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 6, characterized in that: The side wall of the vertical barrel is open, a movable plate is arranged in the open hole for transverse sliding, a connecting plate is arranged on the outer side wall of the movable plate, and the connecting plate is fastened to the vertical barrel by bolts.

8. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 7, characterized in that: The second floating plate is composed of a U-shaped plate, a flat plate and a connecting rod. The connecting rod is located in the U-shaped plate and is slidably connected to each other. The flat plate is slidably connected to the connecting rod laterally. The flat plate is inserted laterally into the U-shaped plate. A through opening is opened at the bottom of the U-shaped plate. The through opening is used to connect the second storage chamber and the inside of the U-shaped plate. The U-shaped plate is vertically slidably installed on the inner wall of the vertical barrel, and the flat plate is vertically slidably installed on the side wall of the movable plate.

9. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 8, characterized in that: The vertical barrel is provided with a slow flow structure, and the slow flow structure comprises: The barrel cover is fixed vertically on the top of the vertical barrel; A magnetic column is located in the barrel cover, wherein the bottom of the magnetic column slides through the vertical barrel and is fixed to the top of the U-shaped plate; The electromagnetic coil is located in the barrel cover, and the electromagnetic coil is sleeved on the outside of the magnetic column, and the two ends of the electromagnetic coil are connected through a resistor.

10. A bridge-tunnel co-construction pile foundation settlement detection device according to claim 9, characterized in that: The second air pipe is rotatably mounted on the vertical barrel, and the end of the second air pipe away from the vertical barrel hangs down naturally.

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