CN114111697A - Monitoring and early warning device and monitoring and early warning method for toppling deformation body - Google Patents
Monitoring and early warning device and monitoring and early warning method for toppling deformation body Download PDFInfo
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- CN114111697A CN114111697A CN202111422234.1A CN202111422234A CN114111697A CN 114111697 A CN114111697 A CN 114111697A CN 202111422234 A CN202111422234 A CN 202111422234A CN 114111697 A CN114111697 A CN 114111697A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention discloses a monitoring and early warning device and a monitoring and early warning method for a toppled deformation body, which relate to the technical field of slope monitoring, and have the technical scheme that: the device comprises a processor, a main substrate and two curved substrates; the two curved-surface substrates are distributed on two sides of the main substrate, and the spherical centers corresponding to the two curved-surface substrates are positioned at the oblique lower parts of the two sides of the main substrate; the homonymy surface of main substrate and two curved surface base plates all is equipped with a plurality of foil gage sensors, foil gage sensor and treater electric connection. When the toppling deformation occurs, the main substrate and the two curved surface substrates can adaptively generate cooperative deformation, a row of strain gauge sensors are started simultaneously for detection to obtain deformation data under corresponding dimensionality, after the data are subjected to analog analysis, conversion and other processing, a detection result which visually represents the toppling deformation condition can be directly obtained, the toppling deformation is efficiently and simply monitored on line, the overall structure is convenient to install, maintain and operate, and the application cost is low.
Description
Technical Field
The invention relates to the technical field of slope monitoring, in particular to a monitoring and early warning device and a monitoring and early warning method for a toppled deformation body.
Background
The toppling deformation body is a typical deformation phenomenon of a reverse-dumping layered rock slope, the slope deformation is further aggravated under the influence of human engineering activities and the like, and collapse or superficial local landslide geological disasters can be generated along with the continuous development of deformation, and finally step-shaped sliding and pulling type landslides are generated.
At present, the monitoring and early warning technology for the toppled deformation body is less researched, and the monitoring means commonly used is to regularly measure a monitoring pier poured on the toppled deformation body through measuring instruments such as a theodolite, a level gauge and a total station so as to analyze the deformation development condition of the toppled deformation body, wherein the method has the following problems: the method has the advantages of large field operation amount, inconvenient monitoring in adverse weather and at night, low accuracy, incapability of accurately obtaining the deformation depth and bending inclination angle change conditions of the toppled deformation body, and incapability of providing uninterrupted monitoring and timely early warning. In addition, a technology for realizing monitoring of the toppled deformation body by combining a strain gauge sensor with detection sensors of part of directions, angles and the like is also provided, and the workload and the working difficulty of installation and periodic maintenance are increased due to more types of required electronic products; meanwhile, the processing and conversion of various data are relatively complex, and are not beneficial to the large-scale monitoring of the toppled deformation body.
Therefore, how to research and design a monitoring and early warning device and a monitoring and early warning method for the toppling deformation body, which can overcome the defects, is a problem which is urgently needed to be solved at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a monitoring and early warning device and a monitoring and early warning method for a toppled deformation body, which have the characteristics of uninterrupted multipoint monitoring, simple structure, convenience in maintenance, high data processing efficiency and the like, and can accurately obtain the deformation depth and bending inclination angle change condition of the toppled deformation body and perform early warning in time.
The technical purpose of the invention is realized by the following technical scheme:
the first aspect provides a toppling deformation body monitoring and early warning device which comprises a processor, a main substrate and two curved surface substrates;
the two curved-surface substrates are distributed on two sides of the main substrate, and the spherical centers corresponding to the two curved-surface substrates are positioned at the oblique lower parts of the two sides of the main substrate;
the surfaces of the main substrate and the two curved surface substrates on the same side are provided with a plurality of strain gauge sensors, and the strain gauge sensors are electrically connected with the processor;
the plurality of strain gauge sensors of the main substrate and the two curved surface substrates are distributed in a linear mode to form a first sensor array, a second sensor array and a third sensor array;
and the processor is used for comprehensively analyzing three different dimensions according to strain values detected by each strain gauge sensor in the first sensor array, the second sensor array and the third sensor array to obtain a detection result of the toppled deformation body, and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
Further, the main substrate is a straight steel sheet.
Furthermore, the main substrate is an arc-shaped steel sheet, and the circle center of the arc-shaped steel sheet and the sphere center of the curved surface substrate are distributed on the same side.
Furthermore, the inclination angle value of the two curved substrates relative to the main substrate ranges from 20 degrees to 30 degrees.
Furthermore, the output end of the processor is provided with any combination of a signal emitter, an alarm and a display lamp.
Further, the strain gauge sensors are fixed on the corresponding substrate surfaces in an adhesion mode, and the end portions between the adjacent strain gauge sensors are fixedly connected through connectors.
Furthermore, the connector comprises a base and a fixing bolt, wherein a slot is formed in one symmetrical side face of the base, and the fixing bolt is in threaded fit with the base, and the end part of the fixing bolt can extend into the slot.
Further, both ends of the main substrate are provided with mounting plates, and at least one mounting hole is arranged in the mounting plates in a penetrating mode.
Further, the processor comprises a sequence conversion unit, a single-dimensional analysis unit, a dumping analysis unit and a monitoring and early warning unit;
the sequence conversion unit is used for respectively converting strain values detected by each strain gauge sensor in the first sensor array, the second sensor array and the third sensor array into a corresponding first sequence, a second sequence and a third sequence;
the single-dimension analysis unit is used for respectively carrying out simulation analysis on strain values in the first sequence, the second sequence and the third sequence according to the laying track parameters of the main substrate and the two curved-surface substrates to obtain deformation information, and adjusting the corresponding deformation information into corresponding single-dimension dumping deformation information according to the laying orientation parameters of the main substrate and the two curved-surface substrates;
the dumping analysis unit is used for fusing three single-dimensional dumping deformation information according to the relative position parameters of the main substrate and the two curved surface substrates to obtain the detection result of the dumping deformation body;
and the monitoring and early warning unit is used for analyzing the detection result into a plurality of index results, comparing and analyzing the index results with corresponding threshold values one by one, and outputting an early warning signal if the index results exceed the threshold values.
In a second aspect, a method for monitoring and early warning of toppling deformation bodies is provided, and comprises the following steps:
acquiring deformation data of a slope rock body according to the toppling deformation monitoring and early warning device in the first aspect;
comprehensively analyzing from three different dimensions according to strain values detected by each strain gauge sensor in the first sensor array, the second sensor array and the third sensor array to obtain a detection result of the toppled deformation body;
and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
Compared with the prior art, the invention has the following beneficial effects:
according to the monitoring and early warning device for the toppling deformation body, the main substrate and the two curved surface substrates which are distributed in three dimensions are respectively provided with the strain gauge sensors in a row, when toppling deformation occurs, the main substrate and the two curved surface substrates can adaptively generate cooperative deformation, the strain gauge sensors in a row are started to detect at the same time, deformation data in corresponding dimensions can be obtained, after the data are subjected to analog analysis, conversion and other processing, a detection result which visually represents the toppling deformation condition can be directly obtained, efficient and simple online monitoring of toppling deformation is achieved, the overall structure is convenient to install and maintain, the application cost is low, and the monitoring device can be widely popularized and applied in toppling deformation monitoring.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a connector in an embodiment of the invention;
FIG. 3 is a schematic diagram of the distribution of a main substrate and two curved substrates in an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
1. mounting a plate; 2. mounting holes; 3. a main substrate; 4. a curved substrate; 5. a strain gauge sensor; 6. a connector; 7. a base; 8. a slot; 9. and (5) fixing the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" 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" or "second" 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 specifically defined otherwise.
Example 1: a monitoring and early warning device for toppling deformation bodies is shown in figure 1 and comprises a processor, a main substrate 3 and two curved substrates 4. The two curved substrates 4 are distributed on two sides of the main substrate 3, and the spherical centers O1, O2 corresponding to the two curved substrates 4 are located at the oblique lower positions of the two sides of the main substrate 3, wherein A, B, C is the position point of the main substrate 3 and the two curved substrates 4 on the same straight line, and B is the symmetrical point of A, C two points. The homonymy surface of main substrate 3 and two curved surface base plates 4 all is equipped with a plurality of foil gage sensors 5, foil gage sensor 5 and treater electric connection. The plurality of strain gauge sensors 5 of the main substrate 3 and the two curved substrates 4 are distributed in a linear manner to form a first sensor array, a second sensor array and a third sensor array. And the processor is used for comprehensively analyzing three different dimensions according to strain values detected by each strain gauge sensor 5 in the first sensor array, the second sensor array and the third sensor array to obtain a detection result of the toppled deformation body, and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
When the curved substrate 4 has a flexibility that satisfies the requirement, the curved substrate 4 may be replaced with an arc-shaped substrate.
As an alternative embodiment, the main substrate 3 is a straight steel sheet, and other materials meeting the flexibility requirement may be substituted.
As another alternative, the main substrate 3 is an arc-shaped steel plate, and the center of the arc-shaped steel plate is located on the same side as the center of the sphere of the curved substrate 4. It should be noted that, in order to meet the requirement of the edge of the curved substrate 4, the corresponding radian or curved surface design may be performed according to the requirement of the deformation limit.
In the present embodiment, as shown in fig. 3, the inclination angles m and n of the two curved substrates 4 with respect to the main substrate 3 range from 20 degrees to 30 degrees.
In this embodiment, the output end of the processor is provided with any combination of a signal emitter, an alarm and a display lamp. The on-site early warning can be realized, and the remote early warning can also be realized.
In the present embodiment, as shown in fig. 1, the strain gauge sensors 5 are adhesively fixed to the respective substrate surfaces, and the end portions between the adjacent strain gauge sensors 5 are fixedly connected by the connector 6.
As shown in fig. 1, the connector 6 includes a base 7 and a fixing bolt 9, wherein a slot 8 is disposed on a symmetrical side of the base 7, the fixing bolt 9 is in threaded engagement with the base 7, and an end of the fixing bolt can extend into the slot 8.
As shown in fig. 1, the main substrate 3 is provided with mounting plates 1 at both ends thereof, and the mounting plates 1 are penetrated with at least one mounting hole 2.
In this embodiment, the processor includes a sequence conversion unit, a single-dimensional analysis unit, a dumping analysis unit, and a monitoring and early warning unit. The sequence conversion unit is used for converting strain values detected by the strain gauge sensors 5 in the first sensor array, the second sensor array and the third sensor array into corresponding first sequence, second sequence and third sequence. And the single-dimensional analysis unit is used for respectively carrying out simulation analysis on strain values in the first sequence, the second sequence and the third sequence according to the laying track parameters of the main substrate 3 and the two curved substrates 4 to obtain deformation information, and adjusting the corresponding deformation information into corresponding single-dimensional toppling deformation information according to the laying orientation parameters of the main substrate 3 and the two curved substrates 4. And the toppling analysis unit is used for fusing three pieces of single-dimensional toppling deformation information according to the relative position parameters of the main substrate 3 and the two curved substrates 4 to obtain the detection result of the toppling deformation body. And the monitoring and early warning unit is used for analyzing the detection result into a plurality of index results, comparing and analyzing the index results with corresponding threshold values one by one, and outputting an early warning signal if the index results exceed the threshold values.
Example 2: a method for monitoring and early warning of toppling deformation bodies comprises the following steps:
s1: acquiring deformation data of a slope rock body according to the dumping deformation monitoring and early warning device in the embodiment 1;
s2: comprehensively analyzing from three different dimensions according to strain values detected by each strain gauge sensor 5 in the first sensor array, the second sensor array and the third sensor array to obtain detection results of the toppled deformation body;
s3: and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
Specifically, first, the strain values detected by the strain gauge sensors 5 in the first sensor array, the second sensor array, and the third sensor array are converted into the corresponding first sequence, second sequence, and third sequence, respectively. Then, strain values in the first sequence, the second sequence and the third sequence are simulated and analyzed respectively according to the laying track parameters of the main substrate 3 and the two curved substrates 4 to obtain deformation amount information, and the corresponding deformation amount information is adjusted to corresponding single-dimensional toppling deformation information according to the laying orientation parameters of the main substrate 3 and the two curved substrates 4. And then, fusing three pieces of single-dimensional toppling deformation information according to the relative position parameters of the main substrate 3 and the two curved substrates 4 to obtain the detection result of the toppling deformation body. And finally, analyzing the detection result into a plurality of index results, comparing and analyzing the index results with corresponding threshold values one by one, and outputting an early warning signal if the index results exceed the threshold values.
The working principle is as follows: according to the invention, the main substrate 3 and the two curved substrates 4 distributed in three dimensions are respectively provided with the strain gauge sensors 5 in a row, when the toppling deformation occurs, the main substrate 3 and the two curved substrates 4 can be adaptively deformed in a coordinated manner, the strain gauge sensors 5 in a row are started and detected at the same time to obtain the deformation data in the corresponding dimension, after the data are subjected to analog analysis, conversion and other processing, the detection result which visually represents the toppling deformation condition can be directly obtained, the toppling deformation is efficiently and simply monitored on line, the integral structure is convenient to install, maintain and operate, the application cost is low, and the method can be widely popularized and applied in the toppling deformation monitoring.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A monitoring and early warning device for a toppling deformation body is characterized by comprising a processor, a main substrate (3) and two curved surface substrates (4);
the two curved-surface substrates (4) are distributed on two sides of the main substrate (3), and the corresponding spherical centers of the two curved-surface substrates (4) are positioned at the oblique lower parts of the two sides of the main substrate (3);
the surfaces of the main substrate (3) and the two curved surface substrates (4) on the same side are provided with a plurality of strain gauge sensors (5), and the strain gauge sensors (5) are electrically connected with the processor;
the main substrate (3) and the plurality of strain gauge sensors (5) of the two curved surface substrates (4) are distributed in a linear mode to form a first sensor array, a second sensor array and a third sensor array;
and the processor is used for comprehensively analyzing three different dimensions according to strain values detected by each strain gauge sensor (5) in the first sensor array, the second sensor array and the third sensor array to obtain a detection result of the toppled deformation body, and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
2. A monitoring and early warning device for a toppling deformation body according to claim 1, wherein the main substrate (3) is a straight steel sheet.
3. The device for monitoring and warning the toppling deformation body is characterized in that the main substrate (3) is an arc-shaped steel sheet, and the circle center of the arc-shaped steel sheet is distributed on the same side as the sphere center of the curved substrate (4).
4. A monitoring and early-warning device for a toppling deformation body, as claimed in claim 3, wherein the inclination angle of the two curved base plates (4) relative to the main base plate (3) is in the range of 20-30 degrees.
5. A monitoring and early warning device for a toppled deformation body as claimed in claim 1, wherein the output end of the processor is provided with any combination of a signal emitter, an alarm and a display lamp.
6. A monitoring and warning device for a toppled deformation body, according to claim 1, characterized in that said strain gauge sensors (5) are fixed on the corresponding substrate surface in an adhesive manner, and the ends between the adjacent strain gauge sensors (5) are fixedly connected through a connector (6).
7. A toppling deformation body monitoring and early warning device as claimed in claim 1, wherein the connector (6) comprises a base (7) and a fixing bolt (9), a slot (8) is formed in each symmetrical side face of the base (7), the fixing bolt (9) is in threaded fit with the base (7), and the end part of the fixing bolt can extend into the slot (8).
8. A monitoring and early-warning device for a toppling deformation body, as claimed in claim 1, wherein both ends of the main substrate (3) are provided with mounting plates (1), and at least one mounting hole (2) is arranged on each mounting plate (1) in a penetrating manner.
9. The dumping deformation body monitoring and early warning device as claimed in any one of claims 1 to 8, wherein the processor comprises a sequence conversion unit, a single-dimensional analysis unit, a dumping analysis unit and a monitoring and early warning unit;
the sequence conversion unit is used for respectively converting strain values detected by each strain gauge sensor (5) in the first sensor array, the second sensor array and the third sensor array into a corresponding first sequence, a second sequence and a third sequence;
the single-dimension analysis unit is used for respectively carrying out simulation analysis on strain values in the first sequence, the second sequence and the third sequence according to the laying track parameters of the main substrate (3) and the two curved substrates (4) to obtain deformation information, and adjusting the corresponding deformation information into corresponding single-dimension dumping deformation information according to the laying orientation parameters of the main substrate (3) and the two curved substrates (4);
the dumping analysis unit is used for fusing three single-dimensional dumping deformation information according to the relative position parameters of the main substrate (3) and the two curved surface substrates (4) to obtain the detection result of the dumping deformation body;
and the monitoring and early warning unit is used for analyzing the detection result into a plurality of index results, comparing and analyzing the index results with corresponding threshold values one by one, and outputting an early warning signal if the index results exceed the threshold values.
10. A method for monitoring and early warning of toppling deformation bodies is characterized by comprising the following steps:
the device for monitoring and early warning of toppling deformation bodies according to any one of claims 1 to 8 is used for acquiring deformation data of slope rock masses;
comprehensively analyzing from three different dimensions according to strain values detected by each strain gauge sensor (5) in the first sensor array, the second sensor array and the third sensor array to obtain a detection result of the toppled deformation body;
and outputting an early warning signal when the detection result exceeds a corresponding threshold value.
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