Dike foundation surface settlement monitoring device for causeway loading construction

Abstract

The utility model discloses a causeway loading construction embankment base surface settlement monitoring device which comprises a detection support, the detection support is obliquely arranged on one side of a causeway embankment base, and the two ends of the detection support are each provided with a first connecting base and a second connecting base. The first connecting base and the second connecting base are fixedly installed in the causeway through a first vertical rod, a second vertical rod, a stud and a limiting nut, a plurality of detection supporting cylinders are arranged below the detection support, detection plates and detection rods are arranged in the detection supporting cylinders in a sliding mode, the lower ends of the detection rods penetrate through the detection supporting cylinders and are inserted into a causeway foundation, and displacement sensors are arranged at the tops of the detection supporting cylinders. As the two ends of the detection support are fixedly mounted in the causeway through the first connecting seat, the second connecting seat, the first vertical rod, the second vertical rod, the stud and the limiting nut, and the first vertical rod and the second vertical rod are inserted into the non-settlement area of the causeway, the two ends of the detection support can be conveniently mounted and fixed, and the mounting and fixing stability is high; and the precision of settlement monitoring can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of levee foundation settlement monitoring equipment, in particular to a surface settlement monitoring device for a levee foundation during embankment loading construction. Background Technique

[0002] During the embankment construction process, it is necessary to monitor the settlement of the natural foundation under the embankment. According to the analysis of the settlement amount and the change of the settlement rate, it is judged whether the foundation is in a safe state during the embankment construction, dynamically guide the construction, and control the loading progress of the embankment construction. On the other hand, the measured settlement amount is also the basis for calculating the actual engineering material consumption at the completion of the project, providing data support for project cost accounting and reference for providing pre-settlement values for similar projects. Settlement monitoring mainly adopts burying settlement plates and settlement magnetic rings or burying settlement instrument sensors for settlement monitoring.

[0003] In the prior art, a whole-process settlement monitoring system for embankment construction with the application number 202021461966.2 includes: a settlement monitoring mechanism, a signal processing module, a water pressure gauge signal line, and bagged crushed stones. The settlement monitoring mechanism is arranged on the natural mud surface under the embankment. The signal processing module and the settlement monitoring mechanism are connected in the middle through the water pressure gauge signal line, and the bagged crushed stones are connected to the signal processing module. Compared with the traditional technology, the utility model can realize the real-time automatic monitoring of the settlement during the underwater construction period in the early stage of embankment construction, and at the same time eliminate the influence of the continuously changing tide level during the construction period on the settlement. The observation device is connected to the connecting line through a rope and placed in an area not affected by construction ships, avoiding the damage to the device caused by the entry and exit movement of ships in the construction area. The whole-process monitoring data collection of the embankment from underwater to above-water construction embankment body loading is realized. However, it is not convenient to install and fix both ends of the detection support, and the stability of the installation and fixation is relatively low, thus affecting the accuracy of settlement monitoring. Content of the Utility Model

[0004] The purpose of the utility model is to provide a surface settlement monitoring device for a levee foundation during embankment loading construction, so as to solve the problem in the prior art that it is not convenient to install and fix both ends of the detection support, and the stability of the installation and fixation is relatively low, thus affecting the accuracy of settlement monitoring.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A settlement monitoring device for the surface of a dike foundation in dike loading construction, comprising a dike foundation and a detection support. The detection support is inclined and arranged on one side of the dike foundation. Both ends of the detection support are provided with a first connection seat and a second connection seat. The first connection seat and the second connection seat are installed and fixed inside the dike through a first vertical rod, a second vertical rod, a stud, and a limit nut. A plurality of detection support cylinders are provided under the detection support. A detection plate and a detection rod are slidably arranged inside the detection support cylinder. The lower end of the detection rod penetrates through the detection support cylinder and is inserted into the dike foundation. A displacement sensor is provided at the top inside the detection support cylinder.

[0006] Further, both the first vertical rod and the second vertical rod are inserted into the non-settlement area of the dike, and the length of the first vertical rod is greater than that of the second vertical rod.

[0007] Further, a support plate is provided at one end of both the first vertical rod and the second vertical rod, and the stud is perpendicularly welded to the middle part of the support plate.

[0008] Further, both the lower ends of the first vertical rod and the second vertical rod are provided with tips, and a plurality of barbs are provided on the outer sides of the lower ends of the first vertical rod and the second vertical rod.

[0009] Further, a guiding hole is provided at the lower end of the detection plate, and a sealing gasket is provided on the inner wall of the guiding hole.

[0010] Further, a buried plate is provided at the lower end of the detection rod, and a pointed part is provided at the lower end of the buried plate.

[0011] Further, the pointed part is conical, and the inside of the pointed part is in a hollow state.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. Since both ends of the detection support of the present utility model are installed and fixed inside the dike through the first connection seat, the second connection seat, the first vertical rod, the second vertical rod, the stud, and the limit nut, and both the first vertical rod and the second vertical rod are inserted into the non-settlement area of the dike, it is convenient to install and fix both ends of the detection support, and the stability of the installation and fixation is relatively high, which is beneficial to improving the accuracy of settlement monitoring.

[0014] 2. The present utility model is provided with a plurality of detection support cylinders under the detection support. A detection plate and a detection rod are slidably arranged inside the detection support cylinder. The lower end of the detection rod penetrates through the detection support cylinder and is inserted into the dike foundation. A displacement sensor is provided at the top inside the detection support cylinder, so that settlement monitoring can be carried out at multiple positions on one side of the dike foundation. Moreover, the settlement height of the detection plate is monitored by using the displacement sensor, so that the monitoring accuracy is relatively high and the operation is convenient and fast.

[0015] 3. Both the lower ends of the first vertical rod and the second vertical rod of the present utility model are provided with tips, and a plurality of barbs are provided on the outer sides of the lower ends of the first vertical rod and the second vertical rod, which is convenient for improving the stability of the vertical rods inserted into the bottom of the dike foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the structure of the second vertical rod of the present utility model;

[0019] Figure 3 is an enlarged schematic diagram of the structure at A of the present utility model.

[0020] In the figure: 1. First connecting seat; 2. Dike foundation; 3. First vertical rod; 4. Support plate; 5. Detection support; 6. Second vertical rod; 7. Detection support tube; 8. Displacement sensor; 9. Limit nut; 10. Stud; 11. Barb; 12. Tip; 13. Detection plate; 14. Detection rod; 15. Burying plate; 16. Spiked part; 17. Sealing gasket; 18. Guide hole; 19. Second connecting seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3, in the embodiment of the present utility model, a settlement monitoring device for the surface of a dike foundation in dike loading construction includes a dike foundation 2 and a detection support 5. The detection support 5 is inclined and arranged on one side of the dike foundation 2. Both ends of the detection support 5 are provided with a first connection seat 1 and a second connection seat 19. The first connection seat 1 and the second connection seat 19 are installed and fixed inside the dike through a first vertical rod 3, a second vertical rod 6, a stud 10 and a limit nut 9. Both the first vertical rod 3 and the second vertical rod 6 are inserted into the non-settlement area of the dike, and the length of the first vertical rod 3 is greater than that of the second vertical rod 6. One end of the first vertical rod 3 and the second vertical rod 6 is provided with a support plate 4, and the stud 10 is vertically welded to the middle part of the support plate 4, which facilitates the installation and fixation treatment of both ends of the detection support 5. The stability of the installation and fixation is relatively high, which is beneficial to improving the accuracy of settlement monitoring.

[0023] As Figure 1 and Figure 3 shown, in order to better monitor the settlement of the foundation, a plurality of detection support cylinders 7 are further provided on the lower side of the detection support 5. A detection plate 13 and a detection rod 14 are slidably arranged inside the detection support cylinder 7. The lower end of the detection rod 14 penetrates through the detection support cylinder 7 and is inserted into the dike foundation 2. A displacement sensor 8 is provided at the inner top of the detection support cylinder 7. The buried plate 15 at one end of the detection rod 14 is inserted into the multi-point detection positions buried in the dike foundation 2, and the distance between the displacement sensor 8 and the detection plate 13 is recorded at this time. The detection plate 13 at one end of the detection rod 14 can descend with the settlement of the foundation, so as to detect the degree of foundation settlement by detecting the distance between the displacement sensor 8 and the detection plate 13. The monitoring is convenient, fast and efficient.

[0024] As Figure 1 and Figure 2 shown, in order to improve the stability of the vertical rods inserted into the dike foundation 2, tips 12 are further provided at the lower ends of both the first vertical rod 3 and the second vertical rod 6, and a plurality of barbs 11 are provided on the outer sides of the lower ends of the first vertical rod 3 and the second vertical rod 6, which is convenient for improving the stability of the vertical rods inserted into the bottom of the dike foundation 2.

[0025] As Figure 2 and Figure 3 shown, in order to improve the sealing performance of the sliding connection between one end of the second vertical rod 6 and the detection support cylinder 7, a guide hole 18 is further provided at the lower end of the detection plate 13, and a sealing gasket 17 is provided on the inner wall of the guide hole 18, which is convenient for improving the sealing performance of the sliding connection between one end of the second vertical rod 6 and the detection support cylinder 7 and preventing water from entering the detection support cylinder 7 and affecting the accuracy of detection.

[0026] As Figure 1 and Figure 3As shown in the figure, in order to facilitate the insertion of the lower end of the detection rod 14 into the dike foundation 2 for detection, a buried plate 15 is provided at the lower end of the detection rod 14. The buried plate 15 increases the contact area between the lower end of the detection rod 14 and the dike foundation, facilitating the descent of the detection plate 13 and the detection rod 14 as the dike foundation 2 sinks. Moreover, a spike portion 16 is provided at the lower end of the buried plate 15. The spike portion 16 is conical and hollow inside, facilitating the insertion of the lower end of the detection rod 14 into the dike foundation 2 for detection.

[0027] The working principle and usage process of the present utility model: During use, both ends of the detection support 5 are installed and fixed inside the dike foundation 2 through the first connecting seat 1, the second connecting seat 19, the first vertical rod 3, the second vertical rod 6, the stud 10, and the limit nut 9. The lower ends of the first vertical rod 3 and the second vertical rod 6 are inserted into the non-settlement area of the dike. Then, the buried plate 15 at one end of the detection rod 14 is inserted and buried at multiple detection positions of the dike foundation 2, and the distance between the displacement sensor 8 and the detection plate 13 is recorded at this time. The detection plate 13 at one end of the detection rod 14 can descend as the dike foundation sinks, so as to detect the degree of dike foundation settlement by detecting the distance between the displacement sensor 8 and the detection plate 13. The monitoring is convenient, fast, and highly efficient.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A settlement monitoring device for the surface of a dike foundation during dike loading construction, comprising a dike foundation (2) and a detection support (5), characterized in that: The detection support (5) is inclined and arranged on one side of the dike foundation (2). Both ends of the detection support (5) are provided with a first connecting seat (1) and a second connecting seat (19). The first connecting seat (1) and the second connecting seat (19) are installed and fixed inside the dike through a first vertical rod (3), a second vertical rod (6), a stud (10) and a limit nut (9). A plurality of detection support cylinders (7) are provided on the lower side of the detection support (5). A detection plate (13) and a detection rod (14) are slidably arranged inside the detection support cylinder (7). The lower end of the detection rod (14) penetrates through the detection support cylinder (7) and is inserted into the dike foundation (2). A displacement sensor (8) is provided at the top inside the detection support cylinder (7).

2. The surface settlement monitoring device for the dike foundation during dike embankment loading construction according to claim 1, wherein: Both the first vertical rod (3) and the second vertical rod (6) are inserted into the non-settlement area of the dike, and the length of the first vertical rod (3) is greater than the length of the second vertical rod (6).

3. A settlement monitoring device for the surface of a dike foundation during dike loading construction according to claim 2, characterized in that: One end of the first vertical rod (3) and the second vertical rod (6) is provided with a support plate (4), and the stud (10) is vertically welded to the middle part of the upper side of the support plate (4).

4. A surface settlement monitoring device for a dike foundation during dike loading construction according to claim 2, characterized in that: Both the lower ends of the first vertical rod (3) and the second vertical rod (6) are provided with tips (12), and a plurality of barbs (11) are provided on the outer sides of the lower ends of the first vertical rod (3) and the second vertical rod (6).

5. The surface settlement monitoring device for dike foundation during dike loading construction according to claim 1, wherein: A guide hole (18) is provided at the lower end of the detection plate (13), and a sealing gasket (17) is provided on the inner wall of the guide hole (18).

6. The surface settlement monitoring device for a dike foundation during dike loading construction according to claim 1, wherein: A buried plate (15) is provided at the lower end of the detection rod (14), and a spike portion (16) is provided at the lower end of the buried plate (15).

7. The surface settlement monitoring device for a dike foundation during dike loading construction according to claim 6, characterized in that: The spike portion (16) is conical, and the inside of the spike portion (16) is in a hollow state.

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