Settlement monitoring device after highway soft foundation construction

Abstract

The utility model relates to the technical field of foundation settlement monitoring, and particularly discloses a settlement monitoring device after highway soft foundation construction, which comprises a bottom plate deeply buried in a soft foundation and a connecting part fixedly connected on the bottom plate, the connecting part comprises a fixed rod and an observation rod, the observation rod penetrates out of the soft foundation and a pavement on the soft foundation to be fixedly connected with the observation rod, and the fixed rod is fixedly connected with the observation rod. A sleeve for preventing the observation rod from inclining is arranged on the pavement; a detection column is arranged at the free end of the connecting part, a telescopic assembly is arranged in the detection column, a laser range finder is arranged at the free end of the telescopic assembly, the laser range finder is used for measuring the distance to a paved road surface, and the problem that the short-term settlement amount of a traditional settlement plate cannot be observed is solved.

Description

Technical Field

[0001] The present application relates to the technical field of foundation settlement monitoring, and specifically discloses a device for monitoring settlement after soft foundation construction of a highway. Background Art

[0002] The settlement monitoring device, to put it simply, is a settlement plate. The settlement plate is used for building structures or filling observation on soft foundations. This is a method that must be mastered in construction. When filling or building on a soft foundation, people are worried that the foundation will settle too quickly and affect the filling effect, so they take the method of burying settlement plates. The existing settlement plates on the market currently include a settlement bottom plate and a bottom pipe welded to the center of the settlement bottom plate. An external thread is provided above the bottom pipe, and a connecting pipe is also included. The upper ends of the bottom pipe and the connecting pipe have level lines for calibration during observation;

[0003] Regarding the settlement monitoring of the settlement plate, it is nothing more than setting a level line on the pipe and judging the settlement by the movement of the level line. There is no problem with this method, but there are problems with accuracy, because the change of settlement is very small, and it often takes a lot of time to see the level line moving downward;

[0004] In the short term, the biggest problem is that the water level has moved downward, but it is almost invisible to the naked eye. At this time, the data will show that there is no settlement even though there is already settlement.

[0005] As data accumulates, there will be a situation where the settlement in a certain section suddenly increases, which may lead to misjudgment. In view of this, the inventor proposes a settlement monitoring device after highway soft foundation construction. Utility Model Content

[0006] The utility model aims to solve the problem that the short-term settlement amount cannot be observed on the traditional settlement plate.

[0007] In order to achieve the above object, the utility model provides the following basic solutions:

[0008] A post-construction settlement monitoring device for a highway soft foundation comprises a bottom plate deeply buried in the soft foundation and a connecting portion fixed to the bottom plate, the connecting portion comprising a fixing rod and an observation rod, the observation rod passes through the soft foundation and a paved road surface on the soft foundation and is fixed to the observation rod, and a sleeve for preventing the observation rod from tilting is provided on the paved road surface;

[0009] The free end of the connecting part is provided with a detection column, the detection column has a built-in telescopic component, the free end of the telescopic component is provided with a laser rangefinder, and the laser rangefinder is used to measure the distance to the paved road surface.

[0010] The principles and effects of this basic solution are:

[0011] 1. Compared with the prior art, the device has a simple structure and an ingenious design. The device is equipped with a laser rangefinder, which is used to measure the distance to the paved road surface. As the soft foundation sinks, the laser rangefinder moves downward, thereby changing the distance between the laser rangefinder and the paved road surface, thereby obtaining the soft foundation settlement.

[0012] 2. Compared with the prior art, a sleeve is provided. Since the base plate and the connection part fixed to the base plate may tilt due to the settlement of the soft foundation, the fixed paved road surface is used to limit and prevent the observation rod from tilting, so that the laser rangefinder will not tilt, and the sleeve will not affect the settlement of the connection part in the soft foundation.

[0013] 3. Compared with the prior art, this device is equipped with a laser rangefinder, which replaces the naked eye distance measurement, thereby solving the problem that the traditional settlement plate cannot observe the short-term settlement amount.

[0014] Furthermore, a fluorescent strip is provided at the free end of the detection column.

[0015] Furthermore, a groove is provided on one side of the detection column, a rotating door is provided at the position of the groove, and the telescopic component is installed in the groove.

[0016] Furthermore, the upper and lower ends of the rotating door are provided with rotating columns, and the rotating columns are rotatably connected to the side walls of the groove.

[0017] Furthermore, a plurality of reinforcing ribs are provided on the bottom plate.

[0018] Furthermore, all of the observation rods are located above the paved road surface, and a scale is provided on the observation rods.

[0019] Furthermore, the telescopic assembly includes a fixed block fixed to the inner wall of the groove, a first tube fixed to the fixed block, a second tube slidably connected to the first tube, and a locking nut for fixing the relative positions of the first tube and the second tube, and the laser rangefinder is installed at the free end of the first tube.

[0020] Furthermore, the sum of the lengths of the first tube and the second tube is greater than the depth of the groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1A schematic diagram of the structure of a device for monitoring the settlement of a highway soft foundation after construction proposed in an embodiment of the present application is shown;

[0023] Figure 2 A front view of a device for monitoring the settlement of a highway soft foundation after construction proposed in an embodiment of the present application is shown;

[0024] Figure 3 A schematic diagram of the installation of a highway soft foundation settlement monitoring device after construction proposed in an embodiment of the present application is shown;

[0025] Figure 4 A schematic structural diagram of a telescopic assembly in a device for monitoring settlement of a highway soft foundation after construction, according to an embodiment of the present application, is shown. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] The figure marks in the drawings of the specification include: base plate 1, reinforcing ribs 2, fixing rods 3, grooves 4, fluorescent strips 5, revolving doors 6, rotating columns 7, soft base 8, observation rods 9, paved road surface 10, sleeves 11, fixing blocks 12, telescopic components 13, laser rangefinders 14, and locking nuts 15.

[0028] Implementation example Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown:

[0029] A post-construction settlement monitoring device for a highway soft foundation comprises a base plate 1 deeply buried in a soft foundation 8 and a connecting portion fixed to the base plate 1, wherein the connecting portion comprises a fixing rod 3 and an observation rod 9, wherein the observation rod 9 passes through the soft foundation 8 and a paved road surface 10 on the soft foundation 8 and is fixed to the observation rod 9, and a sleeve 11 is provided on the paved road surface 10 for preventing the observation rod 9 from tilting;

[0030] A detection column is provided at the free end of the connection part. A telescopic component 13 is built into the detection column. A laser rangefinder 14 is provided at the free end of the telescopic component 13. The laser rangefinder 14 is used to measure the distance to the paved road surface 10.

[0031] Specifically: a fluorescent strip 5 is provided at the free end of the detection column, the fluorescent strip 5 warns passers-by or vehicles, a groove 4 is opened on one side of the detection column, a rotating door 6 is provided at the position of the groove 4, and the telescopic component 13 is installed at the groove 4. Specifically: a rotating column 7 is provided at the upper and lower ends of the rotating door 6, and the rotating column 7 is rotatably connected to the side wall of the groove 4.

[0032] When the telescopic assembly 13 is not in use, it can be hidden in the groove 4, thereby increasing the service life of the telescopic assembly 13 and the laser rangefinder 14.

[0033] In order to improve the bearing capacity and stability of the bottom plate 1, a plurality of reinforcing ribs 2 are provided on the bottom plate 1, such as Figure 3 As shown, the observation rods 9 are all located above the paved road surface 10. A scale is provided on the observation rods 9. Long-term settlement observation can be directly observed through the scale on the observation rods 9, which is more convenient.

[0034] like Figure 4 As shown, the telescopic assembly 13 includes a fixed block 12 fixed to the inner wall of the groove 4, a first tube fixed to the fixed block 12, a second tube slidably connected to the first tube, and a locking nut 15 for fixing the relative positions of the first tube and the second tube. The laser rangefinder 14 is installed at the free end of the first tube. Specifically, the sum of the lengths of the first tube and the second tube is greater than the depth of the groove 4, so that the laser rangefinder 14 can be fully extended.

[0035] Specific implementation process:

[0036] In the first step, the base plate 1 is vertically inserted into the soft foundation 8, and then the pavement 10 is normally paved on the soft foundation 8. The pavement 10 has a connection hole that does not contact the connection part. The connection hole is provided with a sleeve 11. The observation rod 9 passes through the sleeve 11, and the fixing rod 3 is completely embedded in the soft foundation 8.

[0037] In the second step, the rotating door 6 is then opened, and the second cylinder is stretched to extend the laser rangefinder 14, and the distance between the laser rangefinder 14 and the paved road surface 10 is measured to obtain a first distance value;

[0038] The third step is to wait for a period of time. Due to the settlement of the soft foundation 8, the observation rod 9 moves downward, and then the laser rangefinder 14 moves downward. At this time, the rotating door 6 is opened again, and the second tube is stretched to extend the laser rangefinder 14. The distance between the laser rangefinder 14 and the paved road surface 10 is measured to obtain the second distance value. The second distance value minus the first distance value is the settlement value.

[0039] In order to improve the monitoring progress, the laser rangefinder 14 is a Leica laser rangefinder 14;

[0040] The fourth step is that if the waiting time is very long, a long-distance settlement value will appear. Long-term settlement observation can be directly observed through the scale on the observation rod 9, which is more convenient.

[0041] The device solves the problem that the traditional sedimentation plate cannot observe the short-term sedimentation amount.

[0042] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A road soft foundation settlement monitoring device after construction, characterized in that: It comprises a bottom plate deeply buried in the soft foundation and a connecting part fixed to the bottom plate, the connecting part comprises a fixing rod and an observation rod, the observation rod passes through the soft foundation and a paved road surface on the soft foundation and is fixed to the observation rod, and a sleeve for preventing the observation rod from tilting is provided on the paved road surface; The free end of the connecting part is provided with a detection column, the detection column has a built-in telescopic component, the free end of the telescopic component is provided with a laser rangefinder, and the laser rangefinder is used to measure the distance to the paved road surface.

2. A road soft foundation settlement monitoring device after construction according to claim 1, characterized in that: The free end of the detection column is provided with a fluorescent strip.

3. A road soft foundation settlement monitoring device after construction according to claim 2, characterized in that: A groove is provided on one side of the detection column, a rotating door is provided at the position of the groove, and the telescopic component is installed at the groove.

4. A road soft foundation settlement monitoring device after construction according to claim 3, characterized in that: The upper end and the lower end of the rotating door are provided with rotating columns, and the rotating columns are rotatably connected with the side walls of the groove.

5. The device for monitoring the settlement of a highway soft foundation after construction according to claim 1 is characterized in that: A plurality of reinforcing ribs are arranged on the bottom plate.

6. The device for monitoring the settlement of a highway soft foundation after construction according to claim 1, characterized in that: The observation rods are all located above the paved road surface, and scales are arranged on the observation rods.

7. The device for monitoring the settlement of a highway soft foundation after construction according to claim 3 is characterized in that: The telescopic assembly includes a fixed block fixed to the inner wall of the groove, a first tube fixed to the fixed block, a second tube slidably connected to the first tube, and a locking nut for fixing the relative positions of the first tube and the second tube. The laser rangefinder is installed at the free end of the first tube.

8. A road soft foundation settlement monitoring device after construction according to claim 7, characterized in that: The sum of the lengths of the first tube and the second tube is greater than the depth of the groove.

Images