CN111637862A - Settlement monitoring device - Google Patents
Settlement monitoring device Download PDFInfo
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- CN111637862A CN111637862A CN202010441278.8A CN202010441278A CN111637862A CN 111637862 A CN111637862 A CN 111637862A CN 202010441278 A CN202010441278 A CN 202010441278A CN 111637862 A CN111637862 A CN 111637862A
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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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Abstract
The invention relates to the technical field of settlement monitoring, and discloses a settlement monitoring device which comprises a base platform (1) arranged at the top of a slope, a plurality of groups of magnetic ring settlement measuring assemblies (2) arranged along the slope surface and a lifting assembly (3); the magnetic ring settlement measuring component (2) comprises a settlement pipe (21), a settlement magnetic ring (22) which is sleeved outside the settlement pipe (21) in a sliding way and a measuring rod (23) which ascends and descends along the inner cavity of the settlement pipe (21); the balance monitoring device is characterized by further comprising a balance monitoring assembly (4), wherein the balance monitoring assembly (4) comprises a water storage tank (41) arranged at the end part of the settling tube (21) and a water level detector (42) arranged in the water storage tank (41) and used for monitoring the water level, the center of the water storage tank (41) is arranged on the hollow column (411), and the settling tube (21) penetrates through the hollow column (411) and is coaxially arranged with the hollow column (411); the settlement monitoring device is specially suitable for slope soil settlement monitoring and can respectively monitor the condition of slope soil settlement and the condition of slope soil collapse.
Description
Technical Field
The invention relates to the technical field of settlement monitoring, in particular to a settlement monitoring device.
Background
Along with the development of society, various complex and large-scale engineering buildings, roads, railways and the like are increased day by day, and in the construction process of the engineering, the original state of the ground is changed, and a certain pressure is applied to the foundation of the building, so that the deformation of the foundation and the surrounding stratum is inevitably caused. In order to ensure the normal service life and safety of the building and provide reliable data and corresponding settlement parameters for future exploration design and construction, the necessity and importance of building settlement observation are more and more obvious. The existing settlement monitoring methods comprise a monitoring pile method, a settlement cup method, a settlement plate method, a magnetic ring settlement gauge method, a liquid level static pressure monitoring method and the like, and the methods are well applied to actual work. However, the existing settlement monitoring method mainly aims at the settlement of the foundation of engineering buildings, roads, railways and the like, is generally single-point monitoring and mainly depends on manual measurement or recording; meanwhile, in practical work, the applicant finds that many engineering buildings, roads, railways and the like are built on the sloping field at present, the soil body of the sloping field is a high-incidence area for settlement and collapse, but the existing settlement monitoring method cannot be well applied to the sloping field.
If the invention is a Chinese invention with an authorization notice number of CN101975566B, the system discloses a remote multi-point monitoring system and a method for subgrade surface settlement, the system comprises a central processing unit and a chain structure, wherein a reference light source device is a source node, and a plurality of subgrade surface settlement remote monitoring devices with light sources positioned at a measured point are chain structures of nodes; measuring the relative settlement of the previous device by adopting each monitoring device, accumulating to obtain the relative settlement of the device relative to the reference light source device, tracing the reference light source device to a national level point to obtain the absolute settlement of the measured point, and realizing the multi-point detection; however, each monitoring point needs to be provided with a complete settlement monitoring unit, the structure is relatively complex, and the cost is high. And the settlement difference of different sections on the slope is large, so that the guarantee cannot be ensured, and each group of light sources can penetrate through the imaging lens to meet the paraxial condition. Meanwhile, the slope soil layer can not only have the phenomenon of soil layer settlement but also have the phenomenon of soil layer collapse of the slope, and the conventional settlement monitoring system cannot take the phenomenon of soil layer collapse into consideration when monitoring the soil layer settlement, so that the settlement monitoring of the soil layer of the slope cannot be well carried out.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a settlement monitoring device which is specially suitable for slope soil layer settlement monitoring and can respectively monitor the slope soil layer settlement condition and the slope soil layer collapse condition.
In order to achieve the above purpose, the invention provides the following technical scheme:
a settlement monitoring device comprises a base platform arranged at the top of a slope, a plurality of groups of magnetic ring settlement measuring assemblies arranged along the slope surface and a lifting assembly; the magnetic ring settlement measuring component comprises a settlement pipe, a settlement magnetic ring and a measuring rod, wherein the settlement magnetic ring is slidably sleeved on the outer side of the settlement pipe, the measuring rod ascends and descends along the inner cavity of the settlement pipe, and the settlement pipe is buried in a slope soil layer along the slope; still include the balance monitoring subassembly, the balance monitoring subassembly is including locating the storage water tank of settling tube tip and locating the water level detector who is used for monitoring the water level in the storage water tank, the cavity post is located at the storage water tank center, the settling tube runs through the cavity post and sets up with the cavity post is coaxial, subside the measuring subassembly through the magnetic ring and detect the sloping ground soil layer settlement condition, and subside the magnetic ring and will bury the domatic soil layer different degree of depth, two at least depths, the degree of depth difference is about 1 meter, the domatic top soil layer topples when preventing to monitor, and cause the monitoring to divide sloping ground soil layer settlement data inaccurate.
Preferably, the lifting assembly comprises a driving motor arranged on the base platform, a wire spool connected with the driving motor and a fixed pulley arranged at the upper end of each settling tube, the wire spool bypasses the fixed pulleys through steel wire ropes to be connected with the measuring rod, and the fixed pulleys are arranged on the water storage tank. The driving motor works to drive the wire spool to rotate, and the wire releasing or winding operation is carried out, so that the measuring rod can ascend and descend along the inner cavity of the sedimentation pipe, and the soil layer sedimentation condition is monitored.
Preferably, the top of the water storage tank is provided with a level gauge, so that the water storage tank is conveniently kept in a horizontal state during installation.
Preferably, the water storage tank is filled with liquid, the liquid accounts for 60-80% of the volume of the water storage tank, and the top of the water storage tank is provided with a vent valve, so that the pressure of the liquid in the water storage tank can be ensured to be stable.
Preferably, the water storage tank is a square tank body, the water level detectors are at least provided with four groups, the four groups of water level detectors are respectively arranged at four corners of the top of the water storage tank, the inclination direction of the settling pipe can be calculated through data detected by the four groups of water level detectors, and the inclination condition of the settling pipe can be better monitored.
Preferably, the storage water tank is a cylindrical tank body, the water level detectors are at least provided with three groups, the three groups of water level detectors are uniformly distributed at the top of the storage water tank along the central axis of the storage water tank, the inclination condition of the sedimentation pipe can be well monitored, and the inclination direction of the sedimentation pipe can be calculated.
Preferably, the sedimentation magnetic ring is arranged on at least three groups of supporting claws, the supporting claws are fixed on the outer peripheral side of the sedimentation magnetic ring at equal intervals, and the supporting claws can enable the sedimentation magnetic ring to be inserted into the soil layer and settle along with the soil layer.
Preferably, one end of the sedimentation pipe embedded in the soil layer is provided with a base and a steel fork fixed on the base independently, so that the sedimentation pipe is convenient to fix and is ensured to be stably inserted into the soil layer.
Preferably, the two ends of the measuring rod are provided with fixing sleeves, the fixing sleeves are provided with at least three sliding wheels, the three sliding wheels are uniformly installed along the periphery of the fixing sleeves, and the measuring rod can move up and down in the inner cavity of the settling tube conveniently.
Preferably, a plurality of wire grooves are formed in the wire spool, one wire groove corresponds to one group of magnetic ring settlement measuring assemblies, the driving motor operates to drive the wire spool to rotate, synchronous measurement of the plurality of groups of magnetic ring settlement measuring assemblies is achieved, the use of the driving motor and the like is reduced, the cost is lower, and errors caused by the lifting assemblies can be reduced through synchronous measurement.
Compared with the prior art, the invention has the beneficial effects that:
the settlement monitoring device is specially suitable for slope soil settlement monitoring, and compared with the existing settlement monitoring system, the settlement monitoring device does not consider the soil layer collapse phenomenon when monitoring the soil layer settlement, and has large detection errors. This settlement monitoring device can monitor the condition of subsiding of sloping field soil layer and the condition of falling down of sloping field soil layer respectively simultaneously through the magnetic ring settlement measuring subassembly and the balanced monitoring subassembly that set up, when the sloping field soil layer takes place to fall down, through water level detector detection data, then get rid of the data that the magnetic ring settlement measuring subassembly obtained under the tilt state, improve the accuracy of monitoring sloping field soil layer settlement data to can indicate the staff and check this department domatic, prevent dangers such as domatic collapse.
Drawings
Fig. 1 is a schematic structural view of a state of use of the sedimentation monitoring device in this embodiment.
Fig. 2 is a partial structural schematic view of the sedimentation monitoring device in this embodiment.
Fig. 3 is a sectional view showing a state of use of the sedimentation monitoring device according to the present embodiment.
Fig. 4 is a cross-sectional view of a magnetic ring settlement measuring component and a balance monitoring component in the settlement monitoring device.
Fig. 5 is a partial sectional view of the magnetic ring settlement measuring assembly and the balance monitoring assembly in a vertical state.
Fig. 6 is a partial cross-sectional view of the magnetic ring settlement measuring assembly and the balance monitoring assembly in an inclined state.
In the drawings: 1-base station, 2-magnetic ring settlement measuring component, 21-settling pipe, 211-base, 212-steel fork, 22-settlement magnetic ring, 221-grab, 23-measuring rod, 231-fixed sleeve, 232-sliding wheel, 3-lifting component, 31-driving motor, 32-wire reel, 33-fixed pulley, 4-balance monitoring component, 41-water storage tank, 411-hollow column, 42-water level detector, 43-level gauge, 44-vent valve and 5-controller.
Detailed Description
Example 1: referring to fig. 1-6, a preferred embodiment of the present invention provides a settlement monitoring device, which is specially adapted for monitoring settlement of soil layers on a slope, wherein the soil layers on the slope not only have a phenomenon of soil layer settlement but also have a phenomenon of soil layer collapse on a slope.
Specifically, the settlement monitoring device comprises a base platform 1 arranged at the top of a slope, a plurality of groups of magnetic ring settlement measuring assemblies 2 arranged along the slope surface and a lifting assembly 3; the magnetic ring settlement measuring component 2 comprises a settlement pipe 21, a settlement magnetic ring 22 which is sleeved outside the settlement pipe 21 in a sliding mode and a measuring rod 23 which ascends and descends along the inner cavity of the settlement pipe 21, the settlement pipe 21 and the settlement magnetic ring 22 are embedded into a slope soil layer along the slope in advance in a drilling mode and the like, the number of the magnetic ring settlement measuring components 2 to be installed is determined according to the inclination condition of the slope, and 6 groups of magnetic ring settlement measuring components 2 are selected in the embodiment; subside measuring subassembly 2 through the magnetic ring and detect the sloping ground soil layer condition of subsiding, and subside the magnetic ring 22 and will bury the domatic soil layer different degree of depth, two at least degree of depth, degree of depth difference about 1 meter, the domatic top soil layer topples during the prevention monitoring, and causes the monitoring to divide sloping ground soil layer to subside the data inaccurate.
The sedimentation magnetic ring 22 is provided with at least three groups of supporting claws 221 which are fixed on the outer peripheral side of the sedimentation magnetic ring 22 at equal intervals, and the supporting claws 221 can enable the sedimentation magnetic ring 22 to be inserted into a soil layer and subside along with the soil layer.
The base 211 and the steel fork 212 fixed at the base 211 independently are arranged at one end of the settling pipe 21 buried in the soil layer, when the settling pipe 21 is drilled and placed to a preset depth, clear water is used for replacing slurry, a measuring hole is formed by lifting a drill, cement mortar with the thickness of about 20cm is backfilled, the settling pipe 21 is buried and placed in the measuring hole, the steel fork 212 is inserted into the cement mortar, the settling pipe 21 is convenient to fix, the settling pipe 21 is guaranteed to be stably inserted into the soil layer, and sand blockage at the bottom end of the settling pipe 21 is also prevented.
The measuring stick 23 comprises middle support rod and positioning sensor, and middle support rod both ends are provided with fixed cover 231, are equipped with at least three movable pulley 232 on the fixed cover 231, and three movable pulley 232 is along fixed cover 231 periphery evenly installed for measuring stick 23 can remove on the sedimentation pipe 21 inner chamber.
The lifting component 3 comprises a driving motor 31 arranged on the base platform 1, a wire spool 32 connected with the driving motor 31 and a fixed pulley 33 arranged at the upper end of each settling tube 21, the wire spool 32 is connected with the measuring rod 23 by winding around the fixed pulley 33 through a steel wire rope, and the fixed pulley 33 is arranged on the water storage tank 41. When the driving motor 31 works, the wire spool 32 rotates to perform a wire releasing operation, the measuring rod 23 slides downwards along the inner cavity of the sedimentation pipe 21, and when the positioning sensor reaches the sedimentation magnetic ring 22, the positioning sensor senses the sedimentation magnetic ring 22 and transmits a detection signal to the controller 5; after data acquisition of the 6 groups of magnetic ring settlement measurement assemblies 2 is completed, the winding operation is performed when the driving motor 31 controls the winding disc 32 to rotate. Furthermore, be equipped with a plurality of wire casings on the wire reel 32, a wire casing corresponds a set of magnetic ring settlement measuring component 2, and driving motor 31 operates and drives wire reel 32 and rotate, realizes the synchronous measurement of multiunit magnetic ring settlement measuring component 2, reduces the use of driving motor etc. and the cost is lower, and synchronous measurement also can reduce the error that lifting unit 3 brought.
This settlement monitoring device still includes balanced monitoring subassembly 4, and balanced monitoring subassembly 4 is used for monitoring the water level's water level detector 42 including locating the storage water tank 41 of settling leg 21 tip and locating in the storage water tank 41, and water level detector 42 can select for use current ultrasonic ranging detector, and its record launch sound wave and receive the time difference between the echo signal, obtain the distance of probe and barrier through calculating the product of sound wave propagation speed and time difference. The hollow column 411 is located at the center of the water storage tank 41, the settling pipe 21 penetrates through the hollow column 411 and is coaxially arranged with the hollow column 411, and the water level gauge 43 is arranged at the top of the water storage tank 41, so that the water storage tank 41 is ensured to be in a horizontal state during installation. The water storage tank 41 is filled with liquid, the liquid accounts for 60-80% of the volume of the water storage tank 41, the top of the water storage tank 41 is provided with a vent valve 44, and the vent valve 44 is an existing vent valve, so that the pressure of the liquid in the water storage tank 41 can be ensured to be stable.
The water level of the water storage tank 41 is monitored by the water level detectors 42, as shown in fig. 5 and 6, at least two sets of water level detectors 42 are arranged in the water storage tank 41, the two sets of water level detectors 42 are arranged along the slope, and during installation, the water storage tank 41 is parallel to the horizontal plane, so that h detected by the two sets of water level detectors 42 is obtained1And h2The values are equal, the deviation is compensated by 0.5%, and when the soil layer of the sloping field collapses, namely the sedimentation pipe 21 inclines, H obtained by detection is obtained1And H2，H2＞H1If the data obtained by the magnetic ring settlement measuring component 2 is adopted, a large error exists. Therefore, when the difference between the two sets of water level detectors 42 is large, and the difference between the two numerical values exceeds 5% in practice, the data obtained by the magnetic ring settlement measuring component 2 is eliminated, the worker is prompted to check the slope surface, if the soil layer of the slope is not seriously collapsed, the magnetic ring settlement measuring component 2 is righted again, and if the soil layer of the slope is seriously collapsed, the slope surface is reinforced according to the engineering requirements and the like.
Example 2: a preferred embodiment of the present invention provides a settlement monitoring device, which is different from the above embodiments only in that: the water storage tank 41 is a square tank body, the water level detectors 42 are at least provided with four groups, the four groups of water level detectors 42 are respectively arranged at four corners of the top of the water storage tank 41, the inclination direction of the settling pipe 21 can be calculated through data detected by the four groups of water level detectors 42, and the inclination condition of the settling pipe 21 can be better monitored.
Example 3: a preferred embodiment of the present invention provides a settlement monitoring device, which is different from the above embodiments only in that: the water storage tank 41 is a cylindrical tank body, the water level detectors 42 are at least provided with three groups, the three groups of water level detectors 42 are uniformly distributed at the top of the water storage tank 41 along the central axis of the water storage tank 41, the inclination condition of the settling pipe 21 can be well monitored, and the inclination direction of the settling pipe 21 can be calculated.
Claims (9)
1. A settlement monitoring device is suitable for slope soil layer settlement monitoring and is characterized by comprising a base platform (1) arranged at the top of a slope, a plurality of groups of magnetic ring settlement measuring assemblies (2) arranged along the slope and a lifting assembly (3); the magnetic ring settlement measuring component (2) comprises a settlement pipe (21), a settlement magnetic ring (22) which is slidably sleeved on the outer side of the settlement pipe (21) and a measuring rod (23) which ascends and descends along the inner cavity of the settlement pipe (21), and the settlement pipe (21) is buried in a slope soil layer along the slope;
still including balanced monitoring subassembly (4), balanced monitoring subassembly (4) are including locating storage water tank (41) of settling leg (21) tip and locating water level detector (42) that are used for monitoring the water level in storage water tank (41), and cavity post (411) are located in storage water tank (41) center, and settling leg (21) run through cavity post (411) and with cavity post (411) coaxial setting.
2. The sedimentation monitoring device according to claim 1, wherein the lifting assembly (3) comprises a driving motor (31) arranged on the base (1), a wire spool (32) connected with the driving motor (31), and a fixed pulley (33) arranged at the upper end of each sedimentation tube (21), the wire spool (32) is connected with the measuring rod (23) by passing around the fixed pulley (33) through a steel wire rope, and the fixed pulley (33) is arranged on the water storage tank (41).
3. A sedimentation monitoring device according to claim 1, characterised in that a level (43) is provided on top of the tank (41) to ensure that the tank (41) is level when installed.
4. A sedimentation monitoring device according to claim 2, wherein the tank (41) is filled with a liquid which occupies 60-80% of the volume of the tank (41), and the top of the tank (41) is provided with a vent valve (44).
5. The sedimentation monitoring device according to claim 3 or 4, wherein the water storage tank (41) is a square box, the water level detectors (42) are provided in at least four groups, and the four groups of water level detectors (42) are respectively arranged at four corners of the top of the water storage tank (41).
6. The sedimentation monitoring device according to claim 3 or 4, wherein the water storage tank (41) is a cylindrical tank, and the water level detectors (42) are provided with at least three groups, and the three groups of water level detectors (42) are uniformly distributed on the top of the water storage tank (41) along the central axis of the water storage tank (41).
7. A sedimentation monitoring device according to claim 1, wherein the sedimentation pipe (21) is provided with a base (211) at one end buried in the earth and a separate steel fork (212) fixed to the base (211).
8. A sedimentation monitoring device according to claim 1, wherein the measuring rod (23) is provided with fixing sleeves (231) at both ends thereof, the fixing sleeves (231) being provided with at least three sliding wheels (232), the three sliding wheels (232) being uniformly mounted along the outer periphery of the fixing sleeves (231).
9. The settlement monitoring device as claimed in claim 1, wherein the winding disc (32) has a plurality of slots, one slot corresponds to one magnetic ring settlement measuring assembly (2), and the driving motor (31) is operated to drive the winding disc (32) to rotate, so as to achieve synchronous measurement of the magnetic ring settlement measuring assemblies (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441278.8A CN111637862A (en) | 2020-05-22 | 2020-05-22 | Settlement monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441278.8A CN111637862A (en) | 2020-05-22 | 2020-05-22 | Settlement monitoring device |
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| CN111637862A true CN111637862A (en) | 2020-09-08 |
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| CN202010441278.8A Pending CN111637862A (en) | 2020-05-22 | 2020-05-22 | Settlement monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343026A (en) * | 2020-11-19 | 2021-02-09 | 山东大学 | Monitoring device and method for settlement of soft soil foundation of reinforced highway by preloading method |
| US20210270685A1 (en) * | 2021-04-28 | 2021-09-02 | Shenzhen University | Optical fiber sensing monitoring device for soil settlement and settlement amount measurement method |
| CN114076587A (en) * | 2021-11-19 | 2022-02-22 | 山西路桥第一工程有限公司 | Ground settlement monitoring device for tunnel construction and detection method thereof |
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| CN205665842U (en) * | 2016-05-19 | 2016-10-26 | 湖北华锐新能电业科技有限公司 | Optical fiber sensing slope monitoring early warning system |
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| CN206803999U (en) * | 2017-05-25 | 2017-12-26 | 北京中船信息科技有限公司 | A kind of landslide dynamic level multi-point settlement measuring system |
| CN109695263A (en) * | 2019-02-28 | 2019-04-30 | 广东广强基础工程有限公司 | A kind of building foundation sedimentation monitoring system |
| CN209230680U (en) * | 2019-01-21 | 2019-08-09 | 上海颖川佳固信息工程股份有限公司 | A kind of high-speed railway side slope automatic monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112343026A (en) * | 2020-11-19 | 2021-02-09 | 山东大学 | Monitoring device and method for settlement of soft soil foundation of reinforced highway by preloading method |
| US20210270685A1 (en) * | 2021-04-28 | 2021-09-02 | Shenzhen University | Optical fiber sensing monitoring device for soil settlement and settlement amount measurement method |
| CN114076587A (en) * | 2021-11-19 | 2022-02-22 | 山西路桥第一工程有限公司 | Ground settlement monitoring device for tunnel construction and detection method thereof |
| CN114076587B (en) * | 2021-11-19 | 2024-02-09 | 山西路桥第一工程有限公司 | Ground subsidence monitoring device for tunnel construction and detection method thereof |
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Application publication date: 20200908 |