CN212082318U - Expansive soil side slope displacement monitoring device - Google Patents

Expansive soil side slope displacement monitoring device Download PDF

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Publication number
CN212082318U
CN212082318U CN202021134840.4U CN202021134840U CN212082318U CN 212082318 U CN212082318 U CN 212082318U CN 202021134840 U CN202021134840 U CN 202021134840U CN 212082318 U CN212082318 U CN 212082318U
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rigid connecting
connecting rods
expansive soil
data
wireless transmitting
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储城鑫
刘健
陆愉
梁超
陈大伟
陈雁萍
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Nanjing Tech University
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Nanjing Tech University
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Abstract

The utility model discloses an expansive soil side slope displacement monitoring device, which comprises rigid connecting rods, wherein a plurality of sections of rigid connecting rods are connected in sequence, adjacent rigid connecting rods are hinged with each other, and the plurality of sections of rigid connecting rods are integrally embedded in soil bodies of expansive soil side slopes; the data collection wireless transmitting component is positioned at the top end of the rigid connecting rod; the angle sensor is positioned at the hinge joint of the adjacent rigid connecting rods; the data transmission line is in communication connection with each section of rigid connecting rod, the angle sensor and the data collection wireless transmitting part; the angle sensor detects the change of the corner between the two rigid connecting rods, transmits the change to the data collection wireless transmitting component, and sends the change to the monitoring terminal for real-time monitoring. The utility model discloses convenient dismantlement and equipment are fit for the reconnaissance personnel and carry and use, can in time monitor the slope of the native side slope body of inflation, warp, not hard up condition, and automation and precision have had very big improvement.

Description

Expansive soil side slope displacement monitoring device
Technical Field
The utility model relates to an early warning field and disaster prevention and reduction technical field, more specifically say, relate to an inflation soil side slope displacement monitoring devices.
Background
The expansive soil in China is widely distributed, the expansive soil slope disasters are particularly serious in seasons and regions with more rainfall every year, the expansive soil slope disasters are widely distributed in China, such as Yunnan, Hubei, Guangxi, Henan, Shaanxi, Sichuan, Jiangsu, Anhui and other places, and the requirements of national development and social construction are added, the transformation of nature is more and more large, the design and construction method is improper, the high expansive soil slope is easy to deform and damage and the like, so that the expansive soil slope disasters are frequently caused.
The expansive soil is unsaturated soil with strong water sensitivity, volume expansion is severe after soaking, volume shrinkage is obvious after dehydration, clay minerals such as montmorillonite and illite are contained in the soil, hydrophilicity is strong, and therefore the expansive soil has the characteristics of water absorption expansion, water loss shrinkage, repeated expansion and shrinkage deformation, water soaking bearing capacity attenuation and the like, and properties are extremely unstable.
The mechanical analysis of expansive soil is mainly obtained after the research on the expansion potential and the expansion pressure of the expansive soil. The first aspect is that the expansion potential, i.e. the expansion rate, can be used to predict the maximum potential expansion of the structure, and the environmental conditions affecting the magnitude of the expansion, such as the degree of wetting, the duration of wetting, and the manner of moisture transfer.
When the water content of the expansive soil changes, the expansive soil immediately generates volume expansion in the vertical direction and the horizontal direction, and the expansive soil generates expansion and contraction deformation under the influence of rainfall, evaporation and other natural environments, so that the damages of cracking, uneven deformation and the like of engineering structures, such as house cracking, uneven or cracked road surface structures, deformation of railway subgrades, channel leakage and the like, can be caused.
Another aspect is the expansion force, i.e. the expansion pressure. For a given clay, the swelling pressure is a constant that varies only with dry volume weight, and therefore, the swelling force can be conveniently used as a measure of the swelling characteristics of the clay.
Expansive soil landslide hazards include two types: the slope is characterized in that the local instability of the shallow layer of the expansive soil slope is caused due to the long-term influence of the natural environment and the swelling and shrinking action of the expansive soil, and further the slope is continuously generated and gradually worsened to cause the damages of road subgrade collapse, upwarp and subsidence, structural deformation and cracking and the like. The other type of landslide belongs to deep integral landslide and mainly depends on the distribution, scale and expansion degree of native cracks in the expansive soil side slope, and the landslide is large in scale and high in destructiveness and can bring disastrous damage to railways, house buildings, hydraulic engineering and the like.
Aiming at the engineering hazard caused by the swelling and shrinking deformation of the expansive soil, the generation of the swelling and shrinking deformation is controlled.
The conditions for generating the expansion deformation are insufficient constraint and moisture change, so that two ideas and countermeasures exist in the engineering field. One is weight processing, which restrains the generation of expansion and shrinkage deformation by covering a soil layer without expansion and shrinkage with a certain thickness on the upper part; the other is a seepage-proofing means for controlling the moisture change, and the weight treatment is the most common means because the moisture is very difficult to control completely.
In addition, at present, there are two monitoring methods for the domestic expansive soil slope: the slope monitoring and early warning system is monitored and established manually at regular intervals, automation and accuracy of manual regular monitoring are low, manual work is needed to be carried out to a specified site, workload is high, mountain roads are rugged, traffic is blocked, personnel are inconvenient to move, many instruments cannot be carried and installed, severe weather such as severe heavy rainfall is mostly caused when slope disasters occur, manual work cannot be used for measurement, high risks exist, manual regular measurement consumes manpower and material resources, and early warning cannot be accurately made.
The slope monitoring and early warning system has the advantages of high construction difficulty, high equipment system price, high technical cost, large errors of test results and field conditions, complex and variable field conditions, sensor protection failure and the like, and is easy to cause data errors and loss.
Landslide hazard occurrence is a process of accumulated deformation and generally has obvious precursor characteristics. The slope soil deformation is the most intuitive reflection of slope instability, the monitoring of the deformation is an important mode for evaluating the stability of the slope, the stability of the slope is evaluated according to the data of the slope soil deformation, and the method is the basis of deformation monitoring and is an important means for realizing quantitative evaluation of the slope deformation.
Therefore, the existing expansive soil side slope is complex in condition and cannot be fundamentally treated and monitored, so that higher requirements are provided for the stability and the monitoring system of the expansive soil side slope at present, how to monitor the expansive soil side slope in real time and issue danger early warning in time are more and more emphasized, and the loss is reduced.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the not enough of inflation soil side slope monitoring system among the prior art, provide an inflation soil side slope displacement monitoring devices, adopt the technical scheme of the utility model, simple structure, degree of automation and precision are high, realize real time monitoring inflation soil side slope and in time issue the work of dangerous early warning.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does: the utility model provides an inflation soil side slope displacement monitoring devices which characterized in that: the soil slope expansion device comprises rigid connecting rods, wherein a plurality of sections of rigid connecting rods are sequentially connected, adjacent rigid connecting rods are hinged with each other, and the plurality of sections of rigid connecting rods are integrally embedded in soil bodies of the expansion soil slope;
the data collection wireless transmitting component is positioned at the top end of the rigid connecting rod;
the angle sensor is positioned at the hinge joint of the adjacent rigid connecting rods;
the data transmission line is in communication connection with each section of rigid connecting rod, the angle sensor and the data collection wireless transmitting part;
the angle sensor detects the change of the corner between the two rigid connecting rods, transmits the change to the data collection wireless transmitting component, and sends the change to the monitoring terminal for real-time monitoring.
As a further improvement of the present invention, the data collection wireless transmitter is located on the rigid top of the rigid connection and exposed to the earth surface.
As a further improvement of the present invention, the data wireless transmitting unit includes a data collector and a data transmitter.
As a further improvement, the data wireless transmitter unit is provided with a solar panel and a power supply.
As a further improvement, the multi-section rigid connecting rod is cylindrical.
As a further improvement, the rigid connecting rod is externally provided with an anti-skid layer.
As a further improvement of the utility model, the rigid connecting rod is externally covered with a permeable material.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
1. the utility model discloses a nimble mechanical structure, convenient dismantlement and equipment are fit for the reconnaissance personnel and carry and use, can in time monitor the slope of the native side slope body of inflation, warp, not hard up the condition to real-time transmission returns monitor terminal and carries out the analysis, and is automatic and the precision has had very big improvement. Through certain density and degree of depth embedding in the native side slope of inflation, the continuity of hosepipe in can also completely cut off the native side slope of inflation reduces the risk that the side slope warp the destruction, the utility model discloses wholly receive external environment influence little, the precision is high, and the durability is good.
2. The utility model discloses need not to execute survey personnel and arrive the monitoring point position that has the potential safety hazard, also need not to install check out test set repeatedly and relapse periodic monitoring, it is lower with the accuracy to have changed artifical periodic monitoring, it goes to measure to the appointed measurement station in scene to need artifical, and work load is big, and mountain road is rugged and bumpy, and the traffic is occlusive, personnel move inconveniently, and many instruments can't carry and install, and be mostly bad weather such as abominable heavy rainfall when taking place the side slope calamity moreover, the condition that the artifical unable measurement just has very high risk.
3. The utility model discloses the side slope monitoring early warning system construction degree of difficulty is low, equipment system low price, and technical cost is low, and test result and site conditions error are less, this utility model discloses the variety of densely covered mode combination, avoided the complicated changeable influence of field situation, the sensor protection is in place and is not disturbed the wait condition, avoids appearing the data error and the condition lost, and theoretical model is comparatively simple understandable simultaneously, and factors such as monitoring conditions system influence it not greatly to its result.
Drawings
FIG. 1 is a schematic structural view of the expansive soil slope displacement monitoring device of the present invention,
FIG. 2 is a schematic view of a slope monitoring process
The reference numerals in the schematic drawings illustrate:
1. a data collection wireless transmission component; 2. a rigid connecting rod; 3. an angle sensor; 4. a data transmission line; 5. expanding soil slope; 6. and monitoring the terminal.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1, a device for monitoring the displacement of an expansive soil side slope comprises rigid connecting rods 2, wherein a plurality of sections of rigid connecting rods 2 are sequentially connected, adjacent rigid connecting rods 2 are hinged with each other, and the plurality of sections of rigid connecting rods 2 are integrally embedded in the soil body of an expansive soil side slope 5; the data collection wireless transmitting part 1 is positioned at the top end of the rigid connecting rod 2; the angle sensor 3 is positioned at the hinge joint of the adjacent rigid connecting rods 2; the data transmission line 4 is in communication connection with each section of rigid connecting rod 2, the angle sensor 3 and the data collection wireless transmitting part 1; the angle sensor 3 detects the change of the corner between the two rigid connecting rods 2 and transmits the change to the data collection wireless transmitting part 1, and the data collection wireless transmitting part 1 sends the change to the monitoring terminal 6 for real-time monitoring.
The utility model discloses a principle is that multisection articulated rigid link 2 receives the irregular back that changes of soil body on every side, can produce between two liang of rigid link 2 and rotate, is measured and is transmitted the data collection wireless transmitting part 1 on device top by the angle sensor 3 of articulated department, collects data and wireless transmission by data collection wireless transmitting part 1 and gives monitor terminal 6.
The utility model discloses a working process does: the native slope of inflation produces the deformation displacement, produce thrust to multistage rigid connection pole 2, angle sensor 3 between two liang of rigid connection poles 2 produces the corner, the data that angle sensor 3 measured gathers data collection wireless transmitting part 1 through data transmission line 4, wireless transmission sends back monitor terminal 6, combine current data transmission and analytic technique such as data acquisition and data processing, the realization is to the inside deep slip of side slope, the side slope is out of shape, long-range real-time continuous monitoring is carried out to slope displacement etc., the engineer of being convenient for in time knows the particular case of side slope, can monitor the data that the side slope more has advance and authenticity simultaneously.
The utility model discloses can carry out certain range density according to the inflation soil side slope condition on scene, its distribution density on the side slope can be confirmed according to the side slope actual conditions, generally is neatly arranged in the side slope and arranges, like the rectangle array of NXN formula, the degree of depth also can be decided according to the particular case of each layer soil of side slope.
Compared with the prior art, the utility model discloses a nimble mechanical structure, convenient dismantlement and equipment are fit for the reconnaissance personnel to carry and use, can in time monitor slope, the deformation of inflation soil side slope body, not hard up condition to real-time transmission returns monitor terminal and carries out the analysis, and automation and precision have had very big improvement.
The angle sensor 3 is a high-precision angle sensor, which has the characteristics of high precision, wide range and low cost, and the structure and principle thereof are well known to those skilled in the art and will not be described herein.
The monitoring terminal 6 is a physical terminal device of the monitoring point, which detects the parameters and working state of the monitoring point, uploads the data to the monitoring management platform, and can receive the instruction of the monitoring management platform and perform corresponding operation according to the instruction. The slope monitoring terminals 6 are conventional, and many publications describe different monitoring terminals, such as patent application No. 201910045257.1 and patent application No. 201810442771.4. The utility model discloses aim at adopting current side slope monitor terminal 6 to combine foretell institutional advancement, realize the purpose of monitoring.
In a preferred embodiment, the data collection radio transmission unit 1 is installed out of the ground. The other parts are all embedded in the soil body of the expansive soil slope 6, are less influenced by external factors and have high precision.
In a preferred embodiment, the data wireless transmitter part 1 is provided with a solar panel and a power supply, so that the power supply carried by the data wireless transmitter part can be supplied with electric energy, the time length of single use is prolonged, the frequency of manual repair and maintenance is reduced, and clean solar energy can be effectively utilized.
In a preferred embodiment, the data wireless transmitting unit 1 includes a data collector and a data transmitter for collecting and transmitting data, and the data collector and the data transmitter are in the prior art and will not be described in detail herein.
In a preferred embodiment, the multi-section rigid connecting rod 2 is generally cylindrical, and the bottom end of the multi-section rigid connecting rod is reinforced so that the multi-section rigid connecting rod can be easily inserted into the interior of the expansive soil slope 5.
In a preferred embodiment, the rigid connecting rod 2 is externally provided with an anti-slip layer to ensure that the surface expansive soil on the exterior of the rigid connecting rod falls off. At the same time, it is preferable to add a layer of permeable material in order not to prevent the water from contacting with the expansive soil, and the permeable material can be selected from the earth-work cloth or other permeable materials. In the multisection rigid link 2 buries in the side slope soil body, combine the outside antiskid of doing of rigid link to handle and the material that permeates water, make the utility model discloses can sensitively catch the deformation displacement of the soil body on every side.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (7)

1. The utility model provides an inflation soil side slope displacement monitoring devices which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the rigid connecting rods are connected in sequence, adjacent rigid connecting rods are hinged with each other, and the rigid connecting rods are integrally embedded in the soil body of the expansive soil side slope;
the data collection wireless transmitting component is positioned at the top end of the rigid connecting rod;
the angle sensor is positioned at the hinge joint of the adjacent rigid connecting rods;
the data transmission line is in communication connection with each section of rigid connecting rod, the angle sensor and the data collection wireless transmitting part;
the angle sensor detects the change of the corner between the two rigid connecting rods, transmits the change to the data collection wireless transmitting component, and sends the change to the monitoring terminal for real-time monitoring.
2. The expansive soil slope displacement monitoring device of claim 1, wherein: the data collection wireless transmitting component is installed out of the ground surface.
3. The expansive soil slope displacement monitoring device of claim 1, wherein: the data wireless transmitting component comprises a data collector and a data transmitter.
4. The expansive soil slope displacement monitoring device of claim 1, wherein: and the data wireless transmitter part is provided with a solar panel and a power supply.
5. The expansive soil slope displacement monitoring device of claim 1, wherein: the multi-section rigid connecting rod is integrally cylindrical.
6. The expansive soil slope displacement monitoring device of claim 1, wherein: and an anti-skid layer is arranged outside the rigid connecting rod.
7. The expansive soil slope displacement monitoring device of claim 1, wherein: the rigid connecting rod is covered with a water permeable material.
CN202021134840.4U 2020-06-18 2020-06-18 Expansive soil side slope displacement monitoring device Active CN212082318U (en)

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CN202021134840.4U CN212082318U (en) 2020-06-18 2020-06-18 Expansive soil side slope displacement monitoring device

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Application Number Priority Date Filing Date Title
CN202021134840.4U CN212082318U (en) 2020-06-18 2020-06-18 Expansive soil side slope displacement monitoring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114001619A (en) * 2021-07-15 2022-02-01 广州市地质调查院(广州市地质环境监测中心) Slope displacement monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114001619A (en) * 2021-07-15 2022-02-01 广州市地质调查院(广州市地质环境监测中心) Slope displacement monitoring device

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