CN110657778A - Soft soil foundation settlement monitoring device - Google Patents
Soft soil foundation settlement monitoring device Download PDFInfo
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- CN110657778A CN110657778A CN201910963718.3A CN201910963718A CN110657778A CN 110657778 A CN110657778 A CN 110657778A CN 201910963718 A CN201910963718 A CN 201910963718A CN 110657778 A CN110657778 A CN 110657778A
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- base
- monitoring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a soft soil foundation settlement monitoring device, belongs to the technical field of foundation settlement detection, and solves the problem that the settlement degree of the existing device is not obvious; the technical characteristics are as follows: the device comprises a supporting arm, a base and a supporting assembly, wherein a plurality of supporting assemblies for supporting the base are arranged at the lower part of the base, the supporting arm is fixedly arranged at the left side of the upper surface of the base, a lifting seat is arranged at one side of the supporting arm and is in sliding connection with the supporting arm, and a plurality of detection assemblies are uniformly distributed on the outer side wall of the lifting seat; the supporting assembly is arranged in the embodiment of the invention, the base can be stably supported, the heights of the base and the detection assembly can be flexibly adjusted, so that workers can conveniently monitor the settlement of foundation pits with different depths, and the height of the detection assembly can be flexibly adjusted, so that the workers can conveniently judge the settlement value.
Description
Technical Field
The invention relates to the technical field of foundation settlement detection, in particular to a soft soil foundation settlement monitoring device.
Background
The foundation settlement refers to the phenomenon that the foundation soil layer is subjected to peripheral additional stress to cause the foundation surface to sink, the stable foundation of the building lies in the stability of the foundation, but if the foundation sinks, the building can incline and crack, further the building collapses, serious harm is brought to residents and constructors, and in the construction process of the building, the foundation settlement needs to be monitored in real time.
Chinese patent CN207812518U discloses a foundation settlement detector, which comprises a communicating pipe arranged in the circumferential direction of a building, wherein a plurality of transparent detecting pipes distributed in the circumferential direction of the building are arranged on the communicating pipe, the detecting pipes are vertically arranged, scale marks are arranged outside the detecting pipes, and a plurality of detecting pieces which penetrate into the detecting pipes in the circumferential direction of the building and are used for measuring the displacement difference between the detecting pipes and the building are arranged around the circumferential direction of the building; recording the position of each detection pipe and the height of the water level in the detection pipe; but the settlement degree of the device is not obvious, the workload of workers is increased, and the accuracy of the monitoring result is also influenced, so that the soft soil foundation settlement monitoring device is provided.
Disclosure of Invention
The invention aims to provide a soft soil foundation settlement monitoring device which comprises a supporting arm, a base and a supporting assembly, wherein a plurality of supporting assemblies for supporting the base are installed at the lower part of the base, the supporting arm is fixedly installed at the left side of the upper surface of the base, a lifting seat is arranged at one side of the supporting arm and is in sliding connection with the supporting arm, and a plurality of detecting assemblies are uniformly distributed on the outer side wall of the lifting seat, so that the problem that the settlement degree of the existing device is not displayed obviously is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a soft soil foundation settlement monitoring device, includes support arm, base and supporting component, and a plurality of supporting components that are used for supporting the base are installed to the lower part of base, and base upper surface left side fixed mounting has the support arm, and one side of support arm is equipped with the seat that goes up and down, goes up and down seat and support arm sliding connection, and the lateral wall equipartition of seat that goes up and down has a plurality of determine module.
As a further scheme of the invention: the detection assembly comprises a detection tube, scale marks and a color development band, the detection tube is of a hollow plastic tube structure, the scale marks are arranged on the outer wall of the detection tube, the color development band used for color development is fixedly arranged in the detection tube, the color development band is of a rectangular strip-shaped structure, the bottom of the detection tube is communicated with a flow guide tube, one end of the flow guide tube, far away from the detection tube, is provided with a drainage port, and a water absorption sponge is arranged in the drainage port.
As a still further scheme of the invention: the lateral wall of lift seat is equipped with and is used for the spacing horizontal spacing ring of detecting tube, and horizontal spacing ring and detecting tube sliding connection are equipped with the thread groove in the lift seat, have placed ball screw in the thread groove, through threaded connection between ball screw and the thread groove, ball screw's upper end fixedly connected with crank is equipped with on the support arm and is used for the spacing stopper of ball screw, rotates through the bearing between stopper and the ball screw and connects.
As a still further scheme of the invention: the top of the lifting seat is provided with a vertical limit guide rail, a reflecting component is arranged on the vertical limit guide rail, the reflecting component is connected with the vertical limit guide rail in a sliding manner, and the top of the vertical limit guide rail is fixedly connected with the support arm through a bolt.
As a still further scheme of the invention: reflecting component includes the reflector panel mounting bracket, angle adjusting plate and reflector panel, install the reflector panel on the reflector panel mounting bracket, sliding connection between reflector panel and the reflector panel mounting bracket, the rear side of reflector panel mounting bracket is equipped with the locating plate, the middle part fixed mounting of locating plate has angle adjusting plate, be equipped with horizontal through-hole in the angle adjusting plate, install the pivot in the horizontal through-hole, the pivot passes through bolt fixed connection with the reflector panel mounting bracket, the pivot rotates with angle adjusting plate to be connected.
As a still further scheme of the invention: the right side of support arm is equipped with light-emitting component, and light-emitting component includes light emission board and light receiver, and the slope of light emission board sets up, and one side equipartition that the light emission board is close to the reflector panel has a plurality of illuminating parts, and the middle part of light emission board is equipped with the light receiver that is used for responding to the reflector panel reverberation.
As a still further scheme of the invention: the middle part of the upper surface of the supporting arm is fixedly provided with a lifting handle, the left side of the upper surface of the supporting arm is provided with a tape storage groove, and a tape is arranged in the tape storage groove.
As a still further scheme of the invention: the supporting assembly comprises a pad foot, a pad foot mounting seat, a screw rod, an internal thread sleeve and a rotating wheel, the internal thread sleeve is mounted on the bottom surface of the base and is rotatably connected with the base, the rotating wheel is sleeved on the outer wall of the internal thread sleeve, the screw rod is in threaded connection with the inside of the internal thread sleeve, the lower end of the screw rod is fixedly connected with the pad foot mounting seat, and a plurality of pad feet are mounted on the lower surface of the pad foot mounting seat; and meanwhile, the side wall of the internal thread sleeve is also provided with a horizontal reference instrument.
In conclusion, the beneficial effects of the invention are as follows: the supporting assembly is arranged in the embodiment of the invention, the base can be stably supported, the heights of the base and the detection assembly can be flexibly adjusted, so that workers can conveniently monitor the settlement of foundation pits with different depths, and the height of the detection assembly can be flexibly adjusted, so that the workers can conveniently judge the settlement value.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
FIG. 2 is a schematic view of the structure of the detection tube of the present invention.
Fig. 3 is a schematic structural diagram of a detection assembly according to the present invention.
Fig. 4 is a partially enlarged schematic view of a in fig. 1.
Fig. 5 is a schematic structural view of an angle adjustment plate according to the present invention.
FIG. 6 is a schematic view of the structure of the reflector assembly of the present invention.
Fig. 7 is a schematic structural view of the reflector mounting bracket of the present invention.
In the figure: the device comprises a support arm 1, a base 2, a support assembly 3, a lifting seat 4, a limiting block 5, a ball screw 6, a horizontal limiting ring 7, a detection tube 8, a scale mark 9, a color developing band 10, a tape 11, a tape 12, a tape accommodating groove 13, a lifting handle 14, a light reflecting assembly 15, a vertical limiting guide rail 15, a light emitting plate 16, a light receiver 17, a light reflecting plate mounting rack 18, an angle adjusting plate 19, a rotating shaft 20, a light reflecting plate 21, a cushion foot 22, a cushion foot mounting seat 23, a screw 24, an internal thread sleeve 25 and a rotating wheel 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, in the embodiment of the present invention, a soft soil foundation settlement monitoring device includes a support arm 1, a base 2, and a support assembly 3, wherein a plurality of support assemblies 3 for supporting the base 2 are installed at a lower portion of the base 2, the support arm 1 is fixedly installed at a left side of an upper surface of the base 2, a lifting seat 4 is arranged at one side of the support arm 1, the lifting seat 4 is slidably connected to the support arm 1, and a plurality of detection assemblies are uniformly distributed on an outer side wall of the lifting seat 4;
as shown in fig. 2-3, the detection assembly comprises a detection tube 8, scale marks 9 and a color development band 10, the detection tube 8 is of a hollow plastic tube structure, the scale marks 9 are arranged on the outer wall of the detection tube 8, the color development band 10 for color development is fixedly arranged in the detection tube 8, the color development band 10 is of a rectangular strip structure, and the color development band 10 can emit fluorescence when contacting with water, so that the detection assembly is convenient for workers to identify, and meanwhile, the color development band 10 cannot pollute the water body and can be recycled;
the side wall of the lifting seat 4 is provided with a horizontal limiting ring 7 for limiting the detection tube 8, and the horizontal limiting ring 7 is connected with the detection tube 8 in a sliding manner;
a thread groove is formed in the lifting seat 4, a ball screw 6 is placed in the thread groove, the ball screw 6 is in threaded connection with the thread groove, a crank is fixedly connected to the upper end of the ball screw 6, a limiting block 5 for limiting the ball screw 6 is arranged on the supporting arm 1, and the limiting block 5 is rotatably connected with the ball screw 6 through a bearing;
when foundation settlement needs to be monitored, the ball screw 6 is rotated, the ball screw 6 drives the lifting seat 4 and the detection pipe 8 to move up and down, and monitoring of foundation pits at different depths is facilitated;
the bottom of the detection tube 8 is communicated with a flow guide tube, one end of the flow guide tube, which is far away from the detection tube 8, is provided with a drainage port, and a water-absorbing sponge is arranged in the drainage port, so that the water body is accelerated to enter the flow guide tube;
as shown in fig. 6, a vertical limiting guide rail 15 is arranged above the lifting seat 4, a light reflecting component 14 is mounted on the vertical limiting guide rail 15, the light reflecting component 14 is connected with the vertical limiting guide rail 15 in a sliding manner, and the top of the vertical limiting guide rail 15 is fixedly connected with the supporting arm 1 through a bolt.
Example 2
As shown in fig. 1, in the embodiment of the present invention, a soft soil foundation settlement monitoring device includes a support arm 1, a base 2, and a support assembly 3, wherein a plurality of support assemblies 3 for supporting the base 2 are installed at a lower portion of the base 2, the support arm 1 is fixedly installed at a left side of an upper surface of the base 2, a lifting seat 4 is arranged at one side of the support arm 1, the lifting seat 4 is slidably connected to the support arm 1, and a plurality of detection assemblies are uniformly distributed on an outer side wall of the lifting seat 4;
as shown in fig. 2-3, the detection assembly comprises a detection tube 8, scale marks 9 and a color development band 10, the detection tube 8 is of a hollow plastic tube structure, the scale marks 9 are arranged on the outer wall of the detection tube 8, the color development band 10 for color development is fixedly arranged in the detection tube 8, the color development band 10 is of a rectangular strip structure, and the color development band 10 can emit fluorescence when contacting with water, so that the detection assembly is convenient for workers to identify, and meanwhile, the color development band 10 cannot pollute the water body and can be recycled;
the side wall of the lifting seat 4 is provided with a horizontal limiting ring 7 for limiting the detection tube 8, and the horizontal limiting ring 7 is connected with the detection tube 8 in a sliding manner;
a thread groove is formed in the lifting seat 4, a ball screw 6 is placed in the thread groove, the ball screw 6 is in threaded connection with the thread groove, a crank is fixedly connected to the upper end of the ball screw 6, a limiting block 5 for limiting the ball screw 6 is arranged on the supporting arm 1, and the limiting block 5 is rotatably connected with the ball screw 6 through a bearing;
when foundation settlement needs to be monitored, the ball screw 6 is rotated, the ball screw 6 drives the lifting seat 4 and the detection pipe 8 to move up and down, and monitoring of foundation pits at different depths is facilitated;
the bottom of the detection tube 8 is communicated with a flow guide tube, one end of the flow guide tube, which is far away from the detection tube 8, is provided with a drainage port, and a water-absorbing sponge is arranged in the drainage port, so that the water body is accelerated to enter the flow guide tube;
as shown in fig. 6, a vertical limiting guide rail 15 is arranged above the lifting seat 4, a light reflecting component 14 is arranged on the vertical limiting guide rail 15, the light reflecting component 14 is connected with the vertical limiting guide rail 15 in a sliding manner, and the top of the vertical limiting guide rail 15 is fixedly connected with the supporting arm 1 through a bolt;
as shown in fig. 5 and 7, the reflector assembly 14 includes a reflector mounting bracket 18, an angle adjustment plate 19 and a reflector 21, the reflector 21 is mounted on the reflector mounting bracket 18, the reflector 21 is slidably connected with the reflector mounting bracket 18, a positioning plate is disposed at the rear side of the reflector mounting bracket 18, the angle adjustment plate 19 is fixedly mounted in the middle of the positioning plate, a horizontal through hole is formed in the angle adjustment plate 19, a rotating shaft 20 is mounted in the horizontal through hole, the rotating shaft 20 is fixedly connected with the reflector mounting bracket 18 through a bolt, the rotating shaft 20 is rotatably connected with the angle adjustment plate 19, and the rotating shaft 20 and the reflector mounting bracket 18 cooperate to adjust the inclination angle of the reflector 21;
the light reflecting component 14 can reflect light, so that workers can be assisted in monitoring foundation pit settlement;
a light emitting assembly is arranged on the right side of the supporting arm 1, the light emitting assembly comprises a light emitting plate 16 and a light receiver 17, the light emitting plate 16 is obliquely arranged, and a plurality of light emitting elements are uniformly distributed on one side, close to the reflector 21, of the light emitting plate 16;
a lifting handle 13 is fixedly arranged in the middle of the upper surface of the support arm 1, a tape storage groove 12 is formed in the left side of the upper surface of the support arm 1, a tape 11 is arranged in the tape storage groove 12, and the arrangement of the tape 11 facilitates workers to detect the depth and the width of a foundation pit;
as shown in fig. 4, the support assembly 3 includes a foot pad 22, a foot pad mounting seat 23, a screw 24, an internal threaded sleeve 25 and a rotating wheel 26, the internal threaded sleeve 25 is mounted on the bottom surface of the base 2, the internal threaded sleeve 25 is rotatably connected with the base 2, the rotating wheel 26 is sleeved on the outer wall of the internal threaded sleeve 25, the screw 24 is connected with the internal thread of the internal threaded sleeve 25, the lower end of the screw 24 is fixedly connected with the foot pad mounting seat 23, and a plurality of foot pads 22 are mounted on the lower surface of the foot pad mounting seat 23; meanwhile, the side wall of the internal thread sleeve 25 is also provided with a horizontal reference instrument;
the setting up of supporting component 3 has realized the firm support to base 2, does benefit to the monitoring of subsiding the foundation ditch, simultaneously, when needing to adjust the height of base 2, only needs to rotate runner 26, and runner 26 drives internal thread sleeve 25 and rotates to make internal thread sleeve 25 drive pad foot mount pad 23 and pad foot 22 reciprocate, and then realized the regulation to base 2 height.
In summary, the working principle of the invention is as follows: when foundation settlement needs to be monitored, the ball screw 6 is rotated, the ball screw 6 drives the lifting seat 4 and the detection pipe 8 to move up and down, and monitoring of foundation pits at different depths is facilitated; and meanwhile, the light-emitting piece is started, the light source can emit light to the reflector 21, the angles of the reflected light at different depths are different, and the worker can judge the depth and deviation of foundation pit settlement.
When the height of the base 2 needs to be adjusted, only the rotating wheel 26 needs to be rotated, and the rotating wheel 26 drives the internal thread sleeve 25 to rotate, so that the internal thread sleeve 25 drives the pad mounting seat 23 and the pad 22 to move up and down, and further the adjustment of the height of the base 2 is realized.
The supporting component 3 is arranged in the embodiment of the invention, so that the base 2 can be stably supported, the heights of the base 2 and the detection component can be flexibly adjusted, the monitoring of the settlement of foundation pits with different depths by workers is facilitated, the height of the detection component is flexible and adjustable, and the judgment of the settlement value by the workers is facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are only for the convenience of description of the invention and to simplify the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a soft soil foundation settlement monitoring device, includes support arm (1), base (2) and supporting component (3), a plurality of supporting component (3) that are used for supporting base (2) are installed to the lower part of base (2), a serial communication port, base (2) upper surface left side fixed mounting has support arm (1), one side of support arm (1) is equipped with lift seat (4), lift seat (4) and support arm (1) sliding connection, the lateral wall equipartition of lift seat (4) has a plurality of determine module.
2. A soft soil foundation settlement monitoring device as claimed in claim 1, wherein the detection assembly comprises a detection tube (8), scale marks (9) and a color development band (10), the detection tube (8) is of a hollow plastic tube structure, the scale marks (9) are arranged on the outer wall of the detection tube (8), the color development band (10) for color development is fixedly mounted inside the detection tube (8), and the color development band (10) is of a rectangular strip structure.
3. A soft soil foundation settlement monitoring device as claimed in claim 2, wherein the side wall of the lifting seat (4) is provided with a horizontal limiting ring (7) for limiting the detection pipe (8), the horizontal limiting ring (7) and the detection pipe (8) being slidably connected.
4. A soft soil foundation settlement monitoring device as claimed in claim 3, wherein a thread groove is formed in the lifting seat (4), a ball screw (6) is placed in the thread groove, the ball screw (6) is in threaded connection with the thread groove, a crank is fixedly connected to the upper end of the ball screw (6), a limiting block (5) for limiting the ball screw (6) is arranged on the supporting arm (1), and the limiting block (5) is rotatably connected with the ball screw (6) through a bearing.
5. A soft soil foundation settlement monitoring device as claimed in any one of claims 2 to 4, wherein the bottom of the detection tube (8) is communicated with a flow guide tube, one end of the flow guide tube far away from the detection tube (8) is provided with a drainage port, and a water-absorbing sponge is arranged in the drainage port.
6. A soft soil foundation settlement monitoring device as claimed in any one of claims 2 to 4, wherein a vertical limit guide (15) is provided above the lifting base (4), a light reflecting component (14) is mounted on the vertical limit guide (15), the light reflecting component (14) is slidably connected with the vertical limit guide (15), and the top of the vertical limit guide (15) is fixedly connected with the support arm (1) through a bolt.
7. A soft soil foundation settlement monitoring device as claimed in claim 6, wherein the reflector assembly (14) comprises a reflector mounting bracket (18), an angle adjusting plate (19) and a reflector (21), the reflector (21) is mounted on the reflector mounting bracket (18), the reflector (21) is slidably connected with the reflector mounting bracket (18), a positioning plate is arranged on the rear side of the reflector mounting bracket (18), the angle adjusting plate (19) is fixedly mounted in the middle of the positioning plate, a horizontal through hole is formed in the angle adjusting plate (19), a rotating shaft (20) is mounted in the horizontal through hole, the rotating shaft (20) is fixedly connected with the reflector mounting bracket (18) through a bolt, and the rotating shaft (20) is rotatably connected with the angle adjusting plate (19).
8. A soft soil foundation settlement monitoring device as claimed in claim 7, wherein a light emitting assembly is arranged on the right side of the support arm (1), the light emitting assembly comprises a light emitting plate (16) and a light receiver (17), the light emitting plate (16) is obliquely arranged, a plurality of light emitting elements are uniformly distributed on one side of the light emitting plate (16) close to the reflector (21), and the light receiver (17) used for sensing the reflected light of the reflector (21) is arranged in the middle of the light emitting plate (16).
9. A soft soil foundation settlement monitoring device as claimed in claim 1, wherein a lifting handle (13) is fixedly mounted in the middle of the upper surface of the support arm (1), a tape storage groove (12) is provided on the left side of the upper surface of the support arm (1), and a tape (11) is mounted in the tape storage groove (12).
10. A soft soil foundation settlement monitoring device as claimed in any one of claims 2 to 4, wherein the support assembly (3) comprises a foot pad (22), a foot pad mounting seat (23), a screw (24), an internally threaded sleeve (25) and a runner (26), the internally threaded sleeve (25) is mounted on the bottom surface of the base (2), the internally threaded sleeve (25) is rotatably connected with the base (2), the runner (26) is sleeved on the outer wall of the internally threaded sleeve (25), the screw (24) is in threaded connection with the internally threaded sleeve (25), the foot pad mounting seat (23) is fixedly connected with the lower end of the screw (24), and a plurality of foot pads (22) are mounted on the lower surface of the foot pad mounting seat (23); meanwhile, the side wall of the internal thread sleeve (25) is also provided with a horizontal reference instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963718.3A CN110657778A (en) | 2019-10-11 | 2019-10-11 | Soft soil foundation settlement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963718.3A CN110657778A (en) | 2019-10-11 | 2019-10-11 | Soft soil foundation settlement monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110657778A true CN110657778A (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910963718.3A Withdrawn CN110657778A (en) | 2019-10-11 | 2019-10-11 | Soft soil foundation settlement monitoring device |
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| CN (1) | CN110657778A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116124083A (en) * | 2023-04-12 | 2023-05-16 | 中铁二十三局集团有限公司 | High-fill roadbed settlement observation device and observation method |
-
2019
- 2019-10-11 CN CN201910963718.3A patent/CN110657778A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116124083A (en) * | 2023-04-12 | 2023-05-16 | 中铁二十三局集团有限公司 | High-fill roadbed settlement observation device and observation method |
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Application publication date: 20200107 |