A settlement monitoring device and a monitoring method

Abstract

The application discloses a kind of sedimentation monitoring device and monitoring method, it is related to sedimentation monitoring technical field, a kind of sedimentation monitoring device includes outer sedimentation tube, is equipped with multiple radial clamping grooves and a group of axial clamping grooves on outer sedimentation tube;Inner sedimentation tube is movably sleeved in outer sedimentation tube;Multiple magnetic ring assemblies are movably connected in radial clamping groove and axial clamping groove;Monitoring instrument is movably located in inner sedimentation tube;Wherein, axial clamping groove and multiple radial clamping grooves are communicated, and inner sedimentation tube and magnetic ring assembly cooperate.The technical effect of the application is that it not only makes magnetic ring and peripheral soil synchronous settlement under the condition of guaranteeing small drilling engineering quantity, but also can effectively prevent magnetic ring from deviating.

Description

Technical Field

[0001] This invention relates to the field of settlement monitoring technology, specifically to a settlement monitoring device and monitoring method. Background Technology

[0002] In high embankment projects such as airports, embankments, and earth-rock dams, in order to predict the settlement trend of the embankment and foundation soil and judge the stability of the project, it is usually necessary to monitor the layered settlement of the embankment and foundation soil and to understand the settlement amount of the soil at different depths and time periods. Related methods for monitoring layered settlement of soil include the deep leveling instrument method and the electromagnetic settlement magnetic ring method.

[0003] The deep-point leveling method involves drilling a hole at a predetermined location using a drilling rig, firmly connecting the observation rod to the bottom settlement marker, and then lowering it into the hole to the predetermined monitoring point. The observation rod is then protected by a PVC sleeve and extended to a certain height above the ground. Traditional manual leveling methods can then be used for measurement. However, usually only one monitoring point can be set up in one hole. If multiple soil bodies need to be monitored, multiple holes are required, resulting in a large amount of drilling work. It is generally only used for hard soil bodies and situations with a small number of monitoring points, and its accuracy is limited.

[0004] The settlement magnetic ring method involves drilling a vertical hole in the soil to be tested using a drilling rig. Magnetic rings are then placed on the settlement tube at certain intervals according to the depth of the soil to be tested. Once the magnetic rings and the settlement tube are at the predetermined depth of the hole, the claw-shaped spring plates on the magnetic rings are opened and locked into the surrounding soil, allowing the magnetic rings to settle synchronously with the surrounding soil. During observation, the probe of the stratified settlement meter is placed inside the settlement tube, and the initial position and the position after settlement of each magnetic ring are measured sequentially. By comparing the two, the stratified settlement amount of the soil can be calculated. The settlement magnetic ring method is the most commonly used layered measurement technique in engineering. It has a wider range of applications than the deep-point leveling instrument method. The key and difficult point of this method is to ensure that the magnetic ring is in close contact with the surrounding soil and settles synchronously. In the specific implementation process, there are two main drawbacks: First, the anchoring force of the claw-shaped spring plate on the magnetic ring is limited, making it difficult to effectively hold the soil on the borehole wall. In addition, the soil filling between the settlement tube and the magnetic ring generates a large resistance to the magnetic ring, which often makes it difficult for the magnetic ring to settle synchronously with the surrounding soil. Second, during the process of placing the settlement tube and the magnetic ring into the borehole, the magnetic ring is prone to friction with the inner wall of the monitoring borehole. At this time, the magnetic ring is prone to displacement due to friction, thus affecting the monitoring results. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a settlement monitoring device and method that, while minimizing the amount of drilling work, not only ensures synchronous settlement between the magnetic ring and the surrounding soil but also effectively prevents the magnetic ring from shifting.

[0006] To solve the above problems, the technical solution provided by the present invention is as follows:

[0007] A settlement monitoring device, comprising:

[0008] An external settling pipe, wherein the external settling pipe is provided with multiple sets of radial grooves and one set of axial grooves;

[0009] An inner sinking pipe that is movably fitted inside the outer sinking pipe;

[0010] Multiple sets of magnetic ring assemblies are movably connected within the radial and axial slots;

[0011] The monitoring device is located inside the inner settling pipe;

[0012] The axial groove and the multiple sets of radial grooves are all connected, and the inner settling tube and the magnetic ring assembly cooperate.

[0013] Optionally, the magnetic ring assembly includes:

[0014] Magnetic ring body;

[0015] A baffle plate connected to one end of the magnetic ring body;

[0016] The baffle plate and the radial groove are fitted together, and the magnetic ring body and the inner settling tube are fitted together.

[0017] Optionally, the magnetic ring assembly further includes a roller rotatably connected to the other end of the magnetic ring body, the roller cooperating with the inner settling tube.

[0018] Optionally, the inner settling pipe includes:

[0019] tube body;

[0020] A conical head that communicates with the tube body;

[0021] The tube body and the conical head are both movably fitted inside the outer settling tube, and the monitoring instrument is movably located inside the tube body and the conical head. The tube body and the conical head are both engaged with the magnetic ring assembly.

[0022] Optionally, the monitoring device includes:

[0023] Instrument body;

[0024] The probe connected to the instrument body;

[0025] The probe is located inside the inner settling tube.

[0026] Optionally, the spacing between adjacent sets of radial slots is equal.

[0027] Optionally, each set of radial slots includes a plurality of slot bodies 1 evenly distributed along the circumference of the outer settling pipe; the axial slots include a plurality of slot bodies 2 evenly distributed along the circumference of the outer settling pipe; the plurality of slot bodies 1 and the plurality of slot bodies 2 are movably connected to the magnetic ring assembly, and the plurality of slot bodies 1 and the plurality of slot bodies 2 are correspondingly connected.

[0028] Optionally, the axial length of the inner settling pipe is greater than the axial length of the outer settling pipe.

[0029] Optionally, both the outer and inner subsidence pipes are made of PVC.

[0030] A monitoring method, based on a settlement monitoring device, includes:

[0031] Drill monitoring holes at the designated locations and to the designed depth, and remove any dirt from the monitoring holes.

[0032] Multiple sets of magnetic ring assemblies are placed sequentially into multiple radial slots in the outer settling pipe;

[0033] Place the external settling pipe and multiple sets of magnetic ring assemblies into the monitoring hole;

[0034] Lower the inner settlement pipe along the inside of the outer settlement pipe until the inner settlement pipe contacts the bottom of the monitoring hole, so that the inner settlement pipe will press multiple sets of magnetic ring components into the surrounding soil in sequence.

[0035] The monitoring instrument was lowered along the inside of the inner settling pipe to determine the initial position of each set of magnetic ring components in sequence;

[0036] The monitoring instrument was lowered along the inside of the inner settling pipe to determine the measurement position of each magnetic ring assembly in sequence;

[0037] By comparing the initial and measured positions of each magnetic ring assembly, the settlement of the soil at different times and vertical positions is calculated.

[0038] Compared with the prior art, the technical solution provided by this invention has the following advantages: the outer settlement pipe is used to support multiple sets of radial slots (only one set of radial slots is shown in the figure) and one set of axial slots, and the multiple sets of radial slots are arranged sequentially along the axial direction of the outer settlement pipe, which facilitates the monitoring of the settlement of soil at different vertical positions with only one monitoring hole; the inner settlement pipe is used to push out the magnetic ring assembly located in the outer settlement pipe, thereby pressing the magnetic ring assembly into the surrounding soil, which facilitates the synchronous settlement of the magnetic ring assembly and the surrounding soil, and effectively prevents Friction occurs between the magnetic ring assembly and the inner wall of the monitoring hole, preventing the magnetic ring assembly from shifting. The monitoring instrument (not shown in the figure) is used to monitor the initial and measurement positions of each set of magnetic ring assemblies, facilitating the comparison of the initial and measurement positions of each set of magnetic ring assemblies and calculating the settlement of the soil at different times and vertical positions. Since the axial slot and multiple sets of radial slots are connected, the settlement of each set of magnetic ring assemblies in the soil at different vertical positions is not exactly the same during the settlement process, thus facilitating the effective measurement of the settlement of the soil at different vertical positions. Attached Figure Description

[0039] Figure 1 This is one of the structural schematic diagrams of a settlement monitoring device proposed in an embodiment of the present invention;

[0040] Figure 2 This is a second schematic diagram of the structure of a settlement monitoring device proposed in an embodiment of the present invention;

[0041] Figure 3 This is a partial structural schematic diagram of a settlement monitoring device proposed in an embodiment of the present invention;

[0042] Figure 4 This is a schematic diagram of the external subsidence pipe proposed in an embodiment of the present invention;

[0043] Figure 5 This is a schematic diagram of the magnetic ring assembly proposed in an embodiment of the present invention;

[0044] In the figure: 1. Outer settling pipe; 11. Radial groove; 111. Groove body one; 12. Axial groove; 121. Groove body two; 2. Inner settling pipe; 21. Pipe body; 22. Conical head; 3. Magnetic ring assembly; 31. Magnetic ring body; 32. Baffle; 33. Roller. Detailed Implementation

[0045] To further understand the content of this invention, a detailed description of the invention will be provided in conjunction with the accompanying drawings and embodiments.

[0046] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. The terms "first," "second," etc., used in this invention are for the convenience of describing the technical solutions of the invention and have no specific limiting effect; they are all general terms and do not constitute a limitation on the technical solutions of the invention. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, not to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Multiple technical solutions in the same embodiment, as well as multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not contradict or conflict, all of which are within the scope of protection claimed by this invention.

[0047] Example 1

[0048] Combined with appendix Figure 1-5 This embodiment provides a settlement monitoring device, including:

[0049] The outer settlement pipe 1 is provided with multiple sets of radial grooves 11 and one set of axial grooves 12;

[0050] The inner sinking pipe 2 is movably fitted inside the outer sinking pipe 1;

[0051] Multiple sets of magnetic ring assemblies 3 are movably connected within the radial slot 11 and the axial slot 12;

[0052] The monitoring device is located inside the inner settling pipe 2.

[0053] The axial groove 12 and multiple sets of radial grooves 11 are all connected, and the inner settling tube 2 and the magnetic ring assembly 3 cooperate.

[0054] Specifically, the outer settlement pipe 1 is used to support multiple sets of radial grooves 11 (only one set of radial grooves 11 is shown in the figure) and one set of axial grooves 12. The multiple sets of radial grooves 11 are arranged sequentially along the axial direction of the outer settlement pipe 1, which facilitates the monitoring of the settlement of soil at different vertical positions with only one monitoring hole. The inner settlement pipe 2 is used to push out the magnetic ring assembly 3 located in the outer settlement pipe 1, so that the magnetic ring assembly 3 is pressed into the surrounding soil, which facilitates the synchronous settlement of the magnetic ring assembly 3 and the surrounding soil. At the same time, it effectively prevents the magnetic ring assembly 3 from colliding with the monitoring hole. Friction occurs in the wall, thus preventing the magnetic ring assembly 3 from shifting; the monitoring instrument (not shown in the figure) is used to monitor the initial position and measurement position of each set of magnetic ring assemblies 3, so as to compare the initial position and measurement position of each set of magnetic ring assemblies 3 and calculate the settlement of the soil at different times and different vertical positions; since the axial groove 12 and multiple sets of radial grooves 11 are all connected, it is easy to ensure that the settlement of each set of magnetic ring assemblies 3 in the soil at different vertical positions is not exactly the same during the settlement process, so as to facilitate the effective measurement of the settlement of the soil at different vertical positions.

[0055] Furthermore, the magnetic ring assembly 3 includes:

[0056] Magnetic ring body 31;

[0057] A baffle 32 is connected to one end of the magnetic ring body 31;

[0058] Among them, the baffle 32 and the radial groove 11 are matched, and the magnetic ring body 31 and the inner sinking tube 2 are matched.

[0059] Specifically, the magnetic ring body 31 is used to form a magnetic induction with the monitoring instrument. In order to protect the magnetic ring body 31, injection molding material can be set on the outside of the magnetic ring body 31. The baffle 32 is used to cooperate with the radial slot 11, so as to facilitate the cooperation between the magnetic ring assembly 3 and the outer settling tube 1.

[0060] Furthermore, the magnetic ring assembly 3 also includes a roller 33 rotatably connected to the other end of the magnetic ring body 31, and the roller 33 cooperates with the inner sinker 2.

[0061] Specifically, the roller 33 facilitates rolling friction between the magnetic ring assembly 3 and the inner settlement pipe 2, which helps reduce the frictional force between the magnetic ring assembly 3 and the inner settlement pipe 2, and makes it easier for the inner settlement pipe 2 to press the magnetic ring assembly 3 into the surrounding soil. The number of magnetic ring body 31, baffle 32 and roller 33 can be evenly arranged around the outer settlement pipe 1, preferably three, to facilitate the formation of a magnetic circle, thereby increasing the magnetic induction sensitivity between the magnetic ring assembly 3 and the monitoring instrument.

[0062] Furthermore, the inner settling pipe 2 includes:

[0063] tube body 21;

[0064] A conical head 22 connected to the tube body 21;

[0065] The tube body 21 and the conical head 22 are both movably sleeved inside the outer settling pipe 1, and the monitoring instrument is movably located inside the tube body 21 and the conical head 22. The tube body 21 and the conical head 22 are both engaged with the magnetic ring assembly 3.

[0066] Specifically, the pipe body 21 is used to support the conical head 22, and the conical head 22 is used to gradually cooperate with the magnetic ring assembly 3 and initially press the magnetic ring assembly 3 into the surrounding soil. The pipe body 21 is used to completely press the magnetic ring assembly 3 into the surrounding soil.

[0067] Furthermore, the monitoring device includes:

[0068] Instrument body;

[0069] The probe connected to the instrument body;

[0070] The probe moves within the inner settling tube 2.

[0071] Specifically, the probe is used to detect the signal of the magnetic ring assembly 3 and transmit the signal to the instrument body, which is used to display the signal and issue an audible and visual alarm.

[0072] Furthermore, the spacing between adjacent radial slots 11 is equal.

[0073] Specifically, this facilitates a uniform reflection of the settlement trend of soil at different vertical locations.

[0074] Furthermore, each radial slot 11 includes several slot bodies 111 evenly distributed along the circumference of the outer settling pipe 1; the axial slot 12 includes several slot bodies 121 evenly distributed along the circumference of the outer settling pipe 1; both the slot bodies 111 and the slot bodies 121 are movably connected to the magnetic ring assembly 3, and the slot bodies 111 and the slot bodies 121 are correspondingly connected.

[0075] Specifically, several card slot bodies 111 and several card slot bodies 121 are used to be movably connected to the magnetic ring assembly 3, so as to increase the magnetic induction sensitivity between the magnetic ring assembly 3 and the monitor.

[0076] Furthermore, the axial length of the inner sinking pipe 2 is greater than the axial length of the outer sinking pipe 1.

[0077] Specifically, this facilitates the inner settlement pipe 2 to press multiple sets of magnetic ring components 3 into the surrounding soil.

[0078] Furthermore, both the outer sinker 1 and the inner sinker 2 are made of PVC.

[0079] Specifically, PVC not only gives the outer sinker 1 and the inner sinker 2 good tensile and compressive strength, but also good corrosion resistance.

[0080] Example 2

[0081] Combined with appendix Figure 1-5 This embodiment provides a monitoring method, which, according to a settlement monitoring device in Embodiment 1, includes:

[0082] Drill monitoring holes at the designated locations and to the designed depth, and remove any dirt from the monitoring holes.

[0083] Multiple sets of magnetic ring assemblies 3 are placed sequentially into multiple sets of radial slots 11 of the outer settling pipe 1;

[0084] Place the outer settling pipe 1 and multiple sets of magnetic ring assemblies 3 into the monitoring hole;

[0085] Lower the inner settlement pipe 2 along the inner settlement pipe 1 until the inner settlement pipe 2 contacts the bottom of the monitoring hole, so that the inner settlement pipe 2 will press multiple sets of magnetic ring components 3 into the surrounding soil in sequence.

[0086] The monitoring instrument is lowered along the inside of the inner settling pipe 2 to determine the initial position of each set of magnetic ring components 3 in sequence;

[0087] The monitoring instrument is lowered along the inside of the inner settling pipe 2 to determine the measurement position of each set of magnetic ring components 3 in sequence;

[0088] By comparing the initial position and the measured position of each magnetic ring assembly 3, the settlement of the soil at different times and different vertical positions is calculated.

[0089] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A sedimentation monitoring device, characterized in that include: An external settling pipe, wherein the external settling pipe is provided with multiple sets of radial grooves and one set of axial grooves; An inner sinking pipe that is movably fitted inside the outer sinking pipe; Multiple sets of magnetic ring assemblies are movably connected within the radial and axial slots; The monitoring device is located inside the inner settling pipe; The axial groove and the multiple sets of radial grooves are all connected, and the inner settling tube is used to eject the magnetic ring assembly.

2. A settlement monitoring device according to claim 1, characterised in that The magnetic ring assembly includes: Magnetic ring body; A baffle plate connected to one end of the magnetic ring body; The baffle plate and the radial groove are fitted together, and the magnetic ring body and the inner settling tube are fitted together.

3. A settlement monitoring device according to claim 2, wherein, The magnetic ring assembly also includes a roller rotatably connected to the other end of the magnetic ring body, and the roller cooperates with the inner settling tube.

4. A settlement monitoring device according to any one of claims 1 to 3, characterised in that, The inner settling pipe includes: tube body; A conical head that communicates with the tube body; The tube body and the conical head are both movably fitted inside the outer settling tube, and the monitoring instrument is movably located inside the tube body and the conical head. The tube body and the conical head are both engaged with the magnetic ring assembly.

5. A settlement monitoring device according to any one of claims 1 to 3, wherein The monitoring device includes: Instrument body; The probe connected to the instrument body; The probe is located inside the inner settling tube.

6. A settlement monitoring device according to any one of claims 1 to 3, wherein The spacing between adjacent radial slots is equal.

7. A settlement monitoring device according to claim 6, characterised in that Each set of radial slots includes several slot bodies 1 evenly distributed along the circumference of the outer settling pipe; the axial slots include several slot bodies 2 evenly distributed along the circumference of the outer settling pipe; the several slot bodies 1 and the several slot bodies 2 are movably connected to the magnetic ring assembly, and the several slot bodies 1 and the several slot bodies 2 are correspondingly connected.

8. A settlement monitoring device according to any one of claims 1 to 3, characterised in that, The axial length of the inner sinking pipe is greater than the axial length of the outer sinking pipe.

9. A settlement monitoring device according to any one of claims 1 to 3, characterised in that, Both the outer and inner subsidence pipes are made of PVC.

10. A monitoring method characterized by, A settlement monitoring device according to any one of claims 1-8, comprising: Drill monitoring holes at the designated locations and to the designed depth, and remove any dirt from the monitoring holes. Multiple sets of magnetic ring assemblies are placed sequentially into multiple radial slots in the outer settling pipe; Place the external settling pipe and multiple sets of magnetic ring assemblies into the monitoring hole; Lower the inner settlement pipe along the inside of the outer settlement pipe until the inner settlement pipe contacts the bottom of the monitoring hole, so that the inner settlement pipe will press multiple sets of magnetic ring components into the surrounding soil in sequence. The monitoring instrument was lowered along the inside of the inner settling pipe to determine the initial position of each set of magnetic ring components in sequence; The monitoring instrument was lowered along the inside of the inner settling pipe to determine the measurement position of each magnetic ring assembly in sequence; By comparing the initial and measured positions of each magnetic ring assembly, the settlement of the soil at different times and vertical positions is calculated.

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