Monitoring device and system for settlement of underwater building in river channel and laying method

Abstract

The invention discloses a settlement monitoring device and system for an underwater building in a river channel and a laying method, belongs to the technical field of settlement monitoring, and can solve the problem that an existing settlement monitoring device is not suitable for settlement monitoring of the underwater building. The device comprises a plurality of settlement meters which are arranged on a plurality of monitoring points of an underwater building in a river channel in a one-to-one correspondence manner; the liquid storage tank is arranged in the river channel and is communicated with the plurality of settlement meters through a plurality of liquid passing pipes; the plurality of liquid passing pipes are in one-to-one correspondence with the plurality of settlement meters; the liquid storage tank, the plurality of liquid passing pipes and the plurality of settlement meters are filled with liquid; the plurality of first protection structures are in one-to-one correspondence with the plurality of settlement meters; the first protective structures cover the corresponding settlement meters and are used for isolating the corresponding settlement meters from water; and the second protection structure covers the liquid storage tank and is used for isolating the liquid storage tank from water. The device is used for monitoring the settlement deformation of the underwater building in the river channel.

Description

Technical Field

[0001] The invention relates to a device, a system and a deployment method for monitoring the subsidence of underwater buildings in a river channel, and belongs to the technical field of subsidence monitoring. Background Art

[0002] Water conservancy projects often lay out water diversion and regulation structures such as inverted siphons and pressure steel pipes in the river. The river foundation is generally a soft foundation (referred to as "soft foundation"), which is composed of sand and gravel, sandy soil, clay, silt, etc. The soft foundation has the characteristics of low bearing capacity, low shear strength, poor permeability stability, and strong permeability. The water diversion and regulation buildings are placed on the soft foundation of the river and are underwater all year round. They are very susceptible to settlement and deformation due to the influence of the soft foundation. When the settlement and deformation are too large, it may cause serious consequences such as damage to the pipelines of the water diversion and regulation buildings, affecting the safe operation of the water conservancy project. Therefore, it is necessary to monitor the settlement of underwater buildings in the river to avoid serious settlement.

[0003] When monitoring the settlement of underwater buildings, it is often necessary to bury the settlement meter and the liquid storage tank in the underwater soil layer. The water pressure and soil pressure will affect the measurement accuracy of the settlement meter and the liquid storage tank. The sensor of the settlement meter is a precision instrument and is easily damaged by water pressure, resulting in failure to measure. At the same time, placing the liquid storage tank underwater or in the soil layer increases the difficulty of subsequent refilling of the liquid storage tank, which is not conducive to the maintenance of the liquid storage tank. All of these make the existing settlement monitoring device unsuitable for underwater building settlement monitoring. Summary of the invention

[0004] The present invention provides a device, system and deployment method for monitoring the subsidence of underwater buildings in a river, which can solve the problem that the existing subsidence monitoring device is not suitable for monitoring the subsidence of underwater buildings.

[0005] In one aspect, the present invention provides a device for monitoring the subsidence of underwater buildings in a river, the device comprising:

[0006] Multiple sedimentation meters are set up one by one at multiple monitoring points of underwater structures in the river;

[0007] A liquid storage tank is arranged in the river channel and is connected to the plurality of sedimentation instruments through a plurality of liquid passing pipes; the plurality of liquid passing pipes correspond to the plurality of sedimentation instruments one by one; the liquid storage tank, the plurality of liquid passing pipes and the plurality of sedimentation instruments are all filled with liquid;

[0008] A plurality of first protective structures corresponding to a plurality of sedimentation instruments one by one; the first protective structure cover is arranged on the corresponding sedimentation instrument to isolate the corresponding sedimentation instrument from water;

[0009] The second protective structure is covered on the liquid storage tank and is used to isolate the liquid storage tank from water.

[0010] Optionally, the first protective structure includes:

[0011] A first protection box is arranged on the riverbed of the river channel, and the top of the first protection box is lower than the water level in the river channel; the sedimentation meter is arranged in the first protection box;

[0012] a first waterproof coating, coated on the outer surface of the first protective box;

[0013] The first waterproof concrete layer is coated on the first waterproof coating.

[0014] Optionally, the second protective structure includes:

[0015] A second protection box is arranged on the riverbed of the river channel, and the top of the second protection box is lower than the water level in the river channel; the liquid storage tank is arranged in the second protection box;

[0016] a second waterproof coating, coated on the outer surface of the second protective box;

[0017] The second waterproof concrete layer is coated on the second waterproof coating.

[0018] Optionally, the second protective structure includes:

[0019] A first box body is arranged on the bank slope of the river channel, the bottom of which is higher than the water level in the river channel, and the side of which has a first opening; the liquid storage tank is arranged in the first box body;

[0020] An inspection door is provided on the first opening and is used for closing the first opening.

[0021] Optionally, the second protective structure includes:

[0022] A second box body is buried on the bank slope of the river channel, with its top exposed on the surface of the bank slope and higher than the water level in the river channel; the liquid storage tank is arranged in the second box body; and the top of the second box body has a second opening;

[0023] The first cover plate is disposed on the second opening and is used to close the second opening.

[0024] Optionally, the second protective structure includes:

[0025] A third box is buried on the bank slope of the river channel, and its top is buried in the bank slope; the liquid storage tank is arranged in the third box;

[0026] A vertical shaft, the bottom end of which is in communication with the top of the third box, the top end of which is exposed above the surface of the bank slope and is higher than the water level in the river channel; the top end of the vertical shaft has a third opening;

[0027] The second cover plate is arranged on the third opening and is used for closing the third opening.

[0028] Optionally, the second protective structure further includes:

[0029] The outer layer is coated on the outer sides of the third box and the vertical shaft, and is used to limit the third box and the vertical shaft.

[0030] In another aspect, the present invention provides a system for monitoring the subsidence of underwater buildings in a river, the system comprising:

[0031] A plurality of settlement monitoring devices are arranged one by one in a plurality of monitoring areas of an underwater building, and are used to monitor the settlement information of the plurality of monitoring areas; the settlement monitoring device is any of the above-mentioned settlement monitoring devices for underwater buildings in a river channel.

[0032] In another aspect, the present invention provides a method for deploying the above-mentioned underwater building settlement monitoring system in a river channel, the method comprising:

[0033] S1. determining the elevation difference between the highest monitoring point and the lowest monitoring point among multiple monitoring points of the underwater structure;

[0034] S2. Divide the underwater building into a plurality of monitoring areas according to the elevation difference and the measuring range of the settlement monitoring device, and deploy a settlement monitoring device in each monitoring area.

[0035] Optionally, S2 is specifically:

[0036] When the elevation difference is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a settlement monitoring device is arranged on the underwater building;

[0037] When the elevation difference is greater than the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a plurality of monitoring areas at different elevations are divided on the underwater building so that the elevation difference of each monitoring area is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, and a settlement monitoring device is deployed in each monitoring area.

[0038] The beneficial effects that the present invention can produce include:

[0039] The present invention utilizes the first protective structure and the second protective structure to protect the sedimentation meter and the liquid storage tank respectively, effectively preventing the water pressure and soil pressure from affecting the measurement accuracy and structural safety of the sedimentation meter and the liquid storage tank, so that the sedimentation meter and the liquid storage tank can adapt to the underwater monitoring environment.

[0040] The present invention determines a plurality of structural types of second protective structures according to the setting position of the liquid storage tank, and the liquid storage tank can be placed on the riverbed, on the surface of the bank slope, half buried on the bank slope or fully buried in the bank slope, so as to facilitate the selection of the corresponding second protective structure according to the setting position of the liquid storage tank. In this way, the measuring range requirements of the liquid storage tank can be met, and the normal operation of the liquid storage tank can be ensured, and the liquid storage tank can be effectively protected, and the operation safety of the liquid storage tank can be ensured, and the liquid storage tank can be easily replenished.

[0041] The first protective box of the first protective structure and the second protective box of the second protective structure of the present invention are both coated with a waterproof coating, and then the waterproof concrete is covered on the waterproof coating, thereby achieving the packaging of the first protective box and the second protective box, which can effectively prevent the soil pressure and water pressure from directly acting on the settlement meter and the liquid storage tank, thereby ensuring the stable operation of the settlement meter and the liquid storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 A structural elevation diagram of an underwater building settlement monitoring device in a river provided by an embodiment of the present invention;

[0043] Figure 2 A plan view of a first protective structure provided by an embodiment of the present invention;

[0044] Figure 3 A structural elevation diagram of a ground-type second protective structure provided by an embodiment of the present invention;

[0045] Figure 4 A plan view of the second ground-type protective structure provided by an embodiment of the present invention;

[0046] Figure 5 A structural elevation diagram of a semi-buried second protective structure provided by an embodiment of the present invention;

[0047] Figure 6 A plan view of the structure of a semi-buried second protective structure provided by an embodiment of the present invention;

[0048] Figure 7 A structural elevation diagram of a fully buried second protective structure provided by an embodiment of the present invention;

[0049] Figure 8 A plan view of the fully buried second protective structure provided by an embodiment of the present invention;

[0050] Fig. 9 A schematic diagram of the structure of the embedded parts provided by an embodiment of the present invention;

[0051] Fig.10Schematic diagram of the deployment of the underwater building settlement monitoring system in the river provided by the embodiment of the present invention, wherein (a) is a schematic diagram of the deployment of the system on the left bank slope of the river; (b) is a schematic diagram of the deployment of the system on the riverbed of the river; (c) is a schematic diagram of the deployment of the system on the right bank slope of the river;

[0052] Fig.11 A schematic diagram of power supply of a power module provided in an embodiment of the invention.

[0053] Reference numerals:

[0054] 1. Sedimentation meter; 2. Sand and gravel; 3. Artificial fill; 4. Water level; 5. Ground line; 6. Anchor pier; 7. Water diversion pipe; 8. Outer concrete; 9. Semi-buried second protection structure; 10. Fully buried second protection structure; 11. Ground second protection structure; 12. Protection pipe; 13. First protection box; 14. First waterproof concrete layer; 15. Ventilation pipe; 16. Liquid pipe; 17. Monitoring cable; 18. Protection pipe bend joint; 19. Backfill fine sand; 20. Expansion bolt; 21. Rigid foundation; 22. Reinforced concrete foundation; 23. Fixing bolt; 24. Inspection door; 25, angle steel; 26, stainless steel plate; 27, hinge; 28, door handle; 29, door lock; 30, concrete splash; 31, first cover plate; 32, first ladder; 33, guardrail; 34, guardrail concrete foundation; 35, outer cladding; 36, closed protection box; 37, ventilation equipment; 38, lighting equipment; 39, embedded parts; 40, second ladder; 41, power switch; 42, solar wind power generation module; 43, steel bar; 44, full weld; 45, drying pipe; 46, liquid storage tank; 47, liquid level observation tube; 48, reading device. 49, second cover plate; 50, shaft; 51, first box; 52, second box; 53, third box; 54, steel frame. DETAILED DESCRIPTION

[0055] The present invention is described in detail below in conjunction with embodiments, but the present invention is not limited to these embodiments.

[0056] The embodiment of the present invention provides a device for monitoring the subsidence of underwater buildings in a river. Figure 1 As shown, the device comprises:

[0057] A plurality of sedimentation meters 1 are arranged one by one at a plurality of monitoring points of underwater buildings in the river channel;

[0058] The liquid storage tank 46 is arranged in the river channel and is connected to the multiple sedimentation instruments 1 through multiple liquid pipes 16 respectively; the multiple liquid pipes 16 correspond to the multiple sedimentation instruments 1 one by one; the liquid storage tank 46, the multiple liquid pipes 16 and the multiple sedimentation instruments 1 are all filled with liquid;

[0059] A plurality of first protective structures corresponding to a plurality of sedimentation instruments 1 one by one; a first protective structure cover is provided on a corresponding sedimentation instrument 1 to isolate the corresponding sedimentation instrument 1 from water;

[0060] The second protective structure is provided on the liquid storage tank 46 to isolate the liquid storage tank 46 from water.

[0061] The present invention utilizes the first protective structure and the second protective structure to protect the sedimentation meter 1 and the liquid storage tank 46 respectively, effectively preventing the water pressure and soil pressure from affecting the measurement accuracy and structural safety of the sedimentation meter 1 and the liquid storage tank 46, so that the sedimentation meter 1 and the liquid storage tank 46 can adapt to the underwater monitoring environment.

[0062] Specifically, the underwater building may be a water diversion pipe, an inverted siphon, a pressure steel pipe, etc. The underwater building in this embodiment is a water diversion pipe 7 .

[0063] Specifically, the present embodiment determines the arrangement positions of multiple monitoring points according to the size and arrangement form of the underwater building. Generally, according to the monitoring needs, a monitoring point is arranged at a certain distance on the riverbed, and a monitoring point is also arranged at a certain distance on the bank slopes on both sides of the riverbed. The arrangement of the monitoring points should take into account the deepest soft foundation of the riverbed, the section with rock property changes along the building, and the shallow buried depth on the bank slope suitable for placing the liquid storage tank 46.

[0064] Specifically, each sedimentation meter 1 is connected to a liquid pipe 16, a vent pipe 15 and a monitoring cable 17. The other end of the liquid pipe 16 is connected to the liquid storage tank 46; the other end of the vent pipe 15 is connected to the top of the liquid storage tank 46 through a drying pipe 45, and the drying pipe 45 can prevent the sensor of the sedimentation meter 1 from getting wet; the other end of the monitoring cable 17 is connected to a reading device 48, and the reading device 48 can read the height of each sedimentation meter 1. Based on Pascal's law, this embodiment uses the sedimentation meter 1 to measure the liquid pressure, and then converts the liquid pressure into the height difference of the liquid column, and then calculates the height of each sedimentation meter 1 according to the liquid level height of the liquid storage tank 46 and the height difference of the liquid column, and displays it through the reading device 48. When the height of a sedimentation meter 1 changes, it indicates that the corresponding monitoring point has settled, thereby realizing the settlement monitoring of each monitoring point.

[0065] Specifically, a liquid level observation tube 47 is provided on the liquid storage tank 46, and both ends of the liquid level observation tube 47 are respectively connected to the top and the bottom of the liquid storage tank 46. The liquid level of the liquid storage tank 46 can be observed by the liquid level observation tube 47 so as to replenish the liquid in time.

[0066] Specifically, the present embodiment may further include a closed protective box 36 for placing the liquid storage tank 46 and the reading device 48 , so as to protect the liquid storage tank 46 and the reading device 48 .

[0067] Specifically, Figure 2As shown, the first protective structure may include:

[0068] The first protection box 13 is arranged on the riverbed of the river channel, and the top of the first protection box 13 is lower than the water level 4 in the river channel; the sedimentation meter 1 is arranged in the first protection box 13;

[0069] A first waterproof coating, coated on the outer surface of the first protective box 13;

[0070] The first waterproof concrete layer 14 is coated on the first waterproof coating.

[0071] Specifically, in this embodiment, the settlement meter 1 is installed on the outer concrete 8 of the water pipe 7 by means of expansion bolts 20, and then a first protective box 13 coated with a waterproof coating is covered on the settlement meter 1, and then a first waterproof concrete layer 14 is coated on the first protective box 13, and finally the first waterproof concrete layer 14 is buried by backfilling fine sand 19.

[0072] Specifically, this embodiment reduces the water permeability of concrete by adding a concrete waterproofing agent into the concrete, and covers the concrete waterproofing agent on the first waterproof coating to form a first waterproof concrete layer 14, which can effectively prevent the settlement meter 1 from directly bearing soil pressure and water pressure.

[0073] Specifically, a protective tube 12 is arranged between each sedimentation meter 1 and the liquid storage tank 46. The protective tube 12 is passed through the backfill fine sand 19. The liquid pipe 16, the ventilation pipe 15 and the monitoring cable 17 of each sedimentation meter 1 are passed through its protective tube 12. The protective tube 12 can protect the liquid pipe 16, the ventilation pipe 15 and the monitoring cable 17 from the influence of soil pressure and water pressure.

[0074] Specifically, the protection tube 12 of this embodiment includes a plurality of sub-tubes, and the plurality of sub-tubes can be connected to each other through a protection tube turning joint 18. The protection tube turning joint 18 can be used to flexibly adjust the direction of the protection tube 12.

[0075] In practice, the sedimentation meter 1 has a maximum range, and the height difference between the liquid storage tank 46 and each sedimentation meter 1 cannot exceed the maximum range of the sedimentation meter 1, otherwise the sedimentation meter 1 will not be able to monitor. Therefore, when installing the sedimentation monitoring equipment, it is often necessary to determine the installation height of the liquid storage tank 46 based on the installation heights of multiple sedimentation meters 1. Since the sedimentation meter 1 is installed at the monitoring point, and the monitoring point of the underwater building may be set on the riverbed or at different heights of the bank slope, the setting position of the liquid storage tank 46 may also be located on the riverbed or at different heights of the bank slope. The water pressure and soil pressure of the liquid storage tank 46 are different depending on its setting position. Therefore, it is necessary to determine the second protective structure of different structural types according to the different setting positions of the liquid storage tank 46, so as to effectively protect the liquid storage tank 46.

[0076] Specifically, when the liquid storage tank 46 is located on the riverbed, its top is generally located below the water level 4 in the river. To avoid the influence and damage of water pressure on it, a structure similar to the first protective structure can be used to protect the liquid storage tank 46. At this time, the second protective structure may include:

[0077] A second protection box is arranged on the riverbed of the river channel, and its top is lower than the water level 4 in the river channel; a liquid storage tank 46 is arranged in the second protection box;

[0078] a second waterproof coating, coated on the outer surface of the second protective box;

[0079] The second waterproof concrete layer is coated on the second waterproof coating.

[0080] Specifically, when the liquid storage tank 46 is located on the bank slope, its bottom is higher than the surface of the bank slope and higher than the water level 4 in the river channel, and it does not bear water pressure and soil pressure. At this time, the second protective structure may include:

[0081] The first box body 51 is arranged on the bank slope of the river channel, the bottom of which is higher than the water level 4 in the river channel, and the side of which has a first opening; the liquid storage tank 46 is arranged in the first box body 51;

[0082] The inspection door 24 is provided on the first opening and is used to close the first opening.

[0083] In this embodiment, the second protective structure of this structural type is defined as a ground-type second protective structure 11 .

[0084] Specifically, Figure 3 and Figure 4 As shown, the surface of the bank slope is represented by the ground line 5 in this embodiment. The ground-type second protective structure 11 sets a reinforced concrete foundation 22 on the bank slope foundation below the ground line 5, and the upper surface of the reinforced concrete foundation 22 is flush with the ground line 5. Then, in this embodiment, a first box 51 is set on the reinforced concrete foundation 22. In practice, when the bank slope foundation is a soft foundation composed of sand, gravel, etc., in order to prevent the reinforced concrete foundation 22 from settling, the soft foundation can be replaced by mortar or concrete to form a rigid foundation 21, and then the reinforced concrete foundation 22 is set on the rigid foundation 21.

[0085] Specifically, the first box body 51 is composed of a frame and a stainless steel plate 26, and the stainless steel plate 26 is covered on the frame. The frame is composed of a plurality of angle steels 25, and the plurality of angle steels 25 are connected by fixing bolts 23. The inspection door 24 is rotatably connected to the frame through a hinge 27, and a door handle 28 and a door lock 29 are provided on the inspection door 24, so that the staff can enter the first box body 51 to inspect or replenish the liquid storage tank 46.

[0086] Specifically, when the liquid storage tank 46 is located on the bank slope, its bottom is lower than the surface of the bank slope and its top is higher than the surface of the bank slope, that is, the liquid storage tank 46 needs to be half buried on the bank slope, the water level 4 may be higher than the liquid storage tank 46 or lower than the liquid storage tank 46. At this time, the second protective structure may include:

[0087] The second box 52 is buried on the bank slope of the river channel, with its top exposed on the surface of the bank slope and higher than the water level 4 in the river channel; the liquid storage tank 46 is arranged in the second box 52; the top of the second box 52 has a second opening;

[0088] The first cover plate 31 is disposed on the second opening to close the second opening.

[0089] In this embodiment, the second protective structure of this structural type is defined as a semi-buried second protective structure 9 .

[0090] Specifically, Figure 5 and Figure 6 As shown, the material of the second box 52 of the semi-buried second protective structure 9 is impermeable reinforced concrete. The bottom of the second box 52 is set on the reinforced concrete foundation 22, and the reinforced concrete foundation 22 is set on the rigid foundation 21. There is a concrete splash 30 between the part of the second box 52 exposed on the surface of the slope and the surface of the slope. The first cover plate 31 is rotatably connected to the edge of the second opening through a hinge 27, and a door lock 29 is provided on the first cover plate 31. A first ladder 32 is provided in the second box 52 to facilitate the staff to enter the second box 52 to inspect or replenish the liquid storage tank 46.

[0091] Specifically, when the liquid storage tank 46 is located on the bank slope and its top is lower than the surface of the bank slope, that is, the liquid storage tank 46 needs to be completely buried in the bank slope, the water level 4 may be higher than the liquid storage tank 46 or lower than the liquid storage tank 46. At this time, the second protective structure may include:

[0092] The third box body 53 is buried on the bank slope of the river channel, and its top is buried in the bank slope; the liquid storage tank 46 is arranged in the third box body 53;

[0093] The bottom end of the vertical shaft 50 is connected to the top of the third box 53, and the top end thereof is exposed on the surface of the bank slope and is higher than the water level 4 in the river channel; the top end of the vertical shaft 50 has a third opening;

[0094] The second cover plate 49 is disposed on the third opening to close the third opening.

[0095] In this embodiment, the second protective structure of this structural type is defined as a fully buried second protective structure 10 .

[0096] Specifically, Figure 7 and Figure 8As shown, the materials of the third box 53 and the shaft 50 of the fully buried second protective structure 10 are both impermeable reinforced concrete. The second cover plate 49 is rotatably connected to the edge of the third opening through a hinge 27, and a door lock 29 is provided on the second cover plate 49. A second ladder 40 is provided on the side wall of the third box 53 to facilitate the staff to enter the second box 52 to inspect or replenish the liquid storage tank 46.

[0097] Specifically, in this embodiment, a liquid replenishment tube is reserved on the liquid storage tank 46. The liquid replenishment tube, the ventilation pipe 15 of the sedimentation instrument 1, and the power signal line are jointly led through the galvanized steel pipe protection to the starting point or end point of the water diversion pipe 7, so that the liquid storage tank 46 can be replenished with liquid later by a pressure pump.

[0098] Specifically, the second ladder 40 is a steel bar cage ladder, which is connected to the side wall of the third box body 53 through embedded parts 39 and expansion bolts 20.

[0099] Specifically, Fig. 9 As shown, the side wall of the third box 53 has a plurality of steel bars 43 arranged crosswise in the horizontal and vertical directions, and one end of the embedded part 39 has a hook. In this embodiment, before pouring the concrete of the third box 53, the hook of the embedded part 39 is first hooked on the steel bar 43, and then the concrete is poured to form the third box 53, and the other end of the embedded part 39 is exposed from the side wall of the third box 53 and is located in the inner cavity of the third box 53. When installing the steel cage ladder, in this embodiment, the steel frame 54 on the back of the steel cage ladder is fully welded to one end of the embedded part 39 exposed from the side wall of the third box 53, and a full weld 44 is formed at the welding point. At the same time, in this embodiment, the steel frame 54 is connected to the third box 53 using expansion bolts 20 to strengthen the connection between the steel cage ladder and the third box 53.

[0100] Specifically, the fully buried second protective structure 10 may further include:

[0101] The outer layer 35 is coated on the outer sides of the third box body 53 and the vertical shaft 50 , and is used to limit the third box body 53 and the vertical shaft 50 .

[0102] Specifically, the material of the outer layer 35 can be cement. In this embodiment, the outer layer 35 is used to replace the soft foundation in the bank slope to prevent the third box 53 and the shaft 50 from shifting on the soft foundation.

[0103] Specifically, in this embodiment, a closed protection box 36 and a ventilation device 37 are disposed in the third box body 53 , and a liquid storage tank 46 is disposed in the closed protection box 36 . In this embodiment, a plurality of lighting devices 38 are disposed in the shaft 50 .

[0104] Specifically, in this embodiment, a solar wind power generation module 42, a power switch 41 and a guardrail concrete foundation 34 are arranged on the top of the fully buried second protective structure 10. The solar wind power generation module 42 can generate electricity using solar energy and wind power, and store the generated electricity in the power module; the power module can supply power to the settlement meter 1, the reading device 48, the ventilation device 37, the lighting device 38, etc.; the power switch 41 is used to control the opening and closing of the ventilation device 37 and the lighting device 38; and a guardrail 33 is arranged on the guardrail concrete foundation 34.

[0105] Another embodiment of the present invention provides a system for monitoring the subsidence of underwater buildings in a river. Fig.10 As shown, the system includes:

[0106] A plurality of settlement monitoring devices are arranged one by one in a plurality of monitoring areas of an underwater building, and are used to monitor the settlement information of the plurality of monitoring areas; the settlement monitoring device is any of the above-mentioned settlement monitoring devices for underwater buildings in a river channel.

[0107] Another embodiment of the present invention provides a method for deploying the above-mentioned underwater building settlement monitoring system in a river channel, the method comprising:

[0108] S1. determining the elevation difference between the highest monitoring point and the lowest monitoring point among multiple monitoring points of the underwater structure;

[0109] S2. According to the elevation difference and the measuring range of the settlement monitoring device, multiple monitoring areas are divided on the underwater building, and a settlement monitoring device is deployed in each monitoring area.

[0110] Specifically, the measuring range of the settlement monitoring device is the measuring range of the settlement meter 1 inside the device.

[0111] Furthermore, S2 may specifically be:

[0112] When the elevation difference is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a settlement monitoring device is deployed on the underwater structure;

[0113] When the elevation difference is greater than the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a plurality of monitoring areas at different elevations are divided on the underwater building so that the elevation difference of each monitoring area is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, and a settlement monitoring device is deployed in each monitoring area.

[0114] Specifically, the reserved measuring range may be 0.5 m to 1 m.

[0115] For example, let the elevation difference between the highest monitoring point and the lowest monitoring point on the water diversion pipe 7 be δ max, the range of sedimentation meter 1 is δ0, and the reserved range is k. To ensure the normal operation of sedimentation meter 1, δ0 should be greater than δ max .

[0116] If δ max ≤(δ0-k), then a measuring line is arranged on the water diversion pipe 7, and one measuring line corresponds to one settlement monitoring device;

[0117] If (δ0-k) < δ max ≤(2×δ0-k), then two measuring lines connected at the end are arranged on the water diversion pipe 7, the two measuring lines are respectively located in monitoring areas at different elevations, and each measuring line corresponds to a settlement monitoring device;

[0118] If (2×δ0-k) < δ max ≤(3×δ0-k), then three measuring lines connected to each other at the end are arranged on the water diversion pipe 7, and the three measuring lines are respectively located in monitoring areas at different elevations, and each measuring line corresponds to a settlement monitoring device, and so on.

[0119] In this embodiment, the installation position of each settlement monitoring device's liquid storage tank 46 is further determined according to the monitoring area where the settlement monitoring device is located.

[0120] Specifically, Fig.10 As shown, the water diversion pipe 7 spans the left bank slope, riverbed and right bank slope of the river channel. There is a certain height difference between the bank slope section and the riverbed section, and the riverbed section has a small height difference with the terrain. A pier 6 for fixing the water diversion pipe 7 is provided on the bank slope, and the water diversion pipe 7 is covered with artificial fill 3. In this embodiment, three end-to-end measuring lines are set on the water diversion pipe 7, which are respectively used to monitor the settlement deformation of the water diversion pipe 7 at different elevations. Among them, as shown in FIG. Fig.10 As shown in (a) of FIG. 1 , the liquid storage tank 46 of the settlement monitoring device of the first measuring line is set on the left bank slope and needs to be half-buried on the left bank slope, so a semi-buried second protective structure 9 is used to protect it; Fig.10 As shown in (b) of FIG. 1 , the liquid storage tank 46 of the settlement monitoring device of the second measuring line is set on the right bank slope and needs to be completely buried on the right bank slope, so a fully buried second protective structure 10 is used to protect it; Fig.10 As shown in (c) in the figure, the liquid storage tank 46 of the settlement monitoring device of the third measuring line is set on the right bank slope, and its bottom needs to be located at or above the surface of the right bank slope, so it is protected by a ground-type second protective structure 11.

[0121] Specifically, the prior art usually only sets a power module at one end of the water pipe 7 to supply power to each sedimentation meter 1. However, when the water pipe 7 exceeds one kilometer, the line between the power module and the sedimentation meter 1 is too long, and the line voltage will drop, causing the voltage to be lower than the working voltage of the sedimentation meter 1, and making some sedimentation meters 1 unable to work. To solve this problem, this embodiment sets a power module at the starting point and the end point of the water pipe 7, and each power module is responsible for supplying power to multiple sedimentation meters 1 that are closer to it. Fig.11 As shown, the first power module is connected in parallel with the first i settlement meters 1 that are closer to it through the first voltage regulator to form a parallel voltage stabilization circuit to power the first i settlement meters 1; the second power module is connected in parallel with the last n settlement meters 1 that are closer to it through the second voltage regulator to form a parallel voltage stabilization circuit to power the last n settlement meters 1. The two power modules jointly and effectively guarantee the normal operation of all settlement meters 1.

[0122] In this embodiment, the power module can be connected to the municipal power supply system, and the municipal power supply system supplies power to the power module; if the location of the power module is not convenient for connecting to the municipal power supply system, the solar wind power generation module 42 can supply power to the power module.

[0123] The above are only a few embodiments of the present application and do not constitute any form of limitation to the present application. Although the present application is disclosed as above with preferred embodiments, it is not intended to limit the present application. Any technician familiar with the profession, without departing from the scope of the technical solution of the present application, using the technical content disclosed above to make slight changes or modifications are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A device for monitoring the subsidence of underwater buildings in a river, characterized in that: The device comprises: Multiple sedimentation meters are set up one by one at multiple monitoring points of underwater structures in the river; A liquid storage tank is arranged in the river channel and is connected to the plurality of sedimentation instruments through a plurality of liquid passing pipes; the plurality of liquid passing pipes correspond to the plurality of sedimentation instruments one by one; the liquid storage tank, the plurality of liquid passing pipes and the plurality of sedimentation instruments are all filled with liquid; A plurality of first protective structures corresponding to a plurality of sedimentation instruments one by one; the first protective structure cover is arranged on the corresponding sedimentation instrument to isolate the corresponding sedimentation instrument from water; The second protective structure is covered on the liquid storage tank and is used to isolate the liquid storage tank from water.

2. The device according to claim 1, characterized in that The first protective structure comprises: A first protection box is arranged on the riverbed of the river channel, and the top of the first protection box is lower than the water level in the river channel; the sedimentation meter is arranged in the first protection box; a first waterproof coating, coated on the outer surface of the first protective box; The first waterproof concrete layer is coated on the first waterproof coating.

3. The device according to claim 2, characterized in that The second protective structure comprises: A second protection box is arranged on the riverbed of the river channel, and the top of the second protection box is lower than the water level in the river channel; the liquid storage tank is arranged in the second protection box; a second waterproof coating, coated on the outer surface of the second protective box; The second waterproof concrete layer is coated on the second waterproof coating.

4. The device according to claim 2, characterized in that The second protective structure comprises: A first box body is arranged on the bank slope of the river channel, the bottom of which is higher than the water level in the river channel, and the side of which has a first opening; the liquid storage tank is arranged in the first box body; An inspection door is provided on the first opening and is used for closing the first opening.

5. The device according to claim 2, characterized in that The second protective structure comprises: A second box body is buried on the bank slope of the river channel, with its top exposed on the surface of the bank slope and higher than the water level in the river channel; the liquid storage tank is arranged in the second box body; and the top of the second box body has a second opening; The first cover plate is disposed on the second opening and is used to close the second opening.

6. The device according to claim 2, characterized in that The second protective structure comprises: A third box is buried on the bank slope of the river channel, and its top is buried in the bank slope; the liquid storage tank is arranged in the third box; A vertical shaft, the bottom end of which is in communication with the top of the third box, the top end of which is exposed above the surface of the bank slope and is higher than the water level in the river channel; the top end of the vertical shaft has a third opening; The second cover plate is arranged on the third opening and is used for closing the third opening.

7. The device according to claim 6, characterized in that The second protective structure also includes: The outer layer is coated on the outer sides of the third box and the vertical shaft, and is used to limit the third box and the vertical shaft.

8. A system for monitoring the subsidence of underwater buildings in a river, characterized in that: The system comprises: A plurality of settlement monitoring devices are arranged one by one in a plurality of monitoring areas of an underwater building, and are used to monitor the settlement information of the plurality of monitoring areas; the settlement monitoring device is a settlement monitoring device for underwater buildings in a river channel as described in any one of claims 1 to 7.

9. A method for deploying the underwater building settlement monitoring system in a river channel based on claim 8, characterized in that: The method comprises: S1. determining the elevation difference between the highest monitoring point and the lowest monitoring point among multiple monitoring points of the underwater structure; S2. Divide the underwater building into a plurality of monitoring areas according to the elevation difference and the measuring range of the settlement monitoring device, and deploy a settlement monitoring device in each monitoring area.

10. The method according to claim 9, characterized in that: The S2 is specifically: When the elevation difference is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a settlement monitoring device is arranged on the underwater building; When the elevation difference is greater than the difference between the measuring range of the settlement monitoring device and the reserved measuring range, a plurality of monitoring areas at different elevations are divided on the underwater building so that the elevation difference of each monitoring area is less than or equal to the difference between the measuring range of the settlement monitoring device and the reserved measuring range, and a settlement monitoring device is deployed in each monitoring area.

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