CN113418496A - Slope deformation monitoring and early warning method and system and intelligent terminal - Google Patents
Slope deformation monitoring and early warning method and system and intelligent terminal Download PDFInfo
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Abstract
The application relates to the technical field of slope monitoring, in particular to a slope deformation monitoring and early warning method, a system and an intelligent terminal, comprising: acquiring displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope, and generating a displacement time curve graph of each monitored particle; judging whether the region where the monitoring particles are located is deformed or not based on the displacement time curve graph and a preset deformation mechanism; monitoring the deformation of a region where the particles are located, determining the region as a dangerous deformation region, and acquiring the deformation amount of the dangerous deformation region; and carrying out region division on the dangerous deformation region based on the deformation and a preset processing mechanism, and acquiring corresponding monitoring data according to the divided regions. The displacement data of each monitoring particle is acquired in real time, whether the region where the monitoring particle is located is deformed or not is judged, the dangerous deformation region is monitored in a full-coverage mode, accurate monitoring of deformation of the whole side slope is achieved, and accuracy of the deformation data of the side slope is improved conveniently.
Description
Technical Field
The application relates to the technical field of slope monitoring, in particular to a slope deformation monitoring and early warning method, a slope deformation monitoring and early warning system and an intelligent terminal.
Background
The side slope is a very complex system engineering, is governed by the engineering geological characteristics of rock-soil bodies, and is continuously developed and evolved under the influence of various factors such as human engineering activities, underground water, rainfall, landforms and the like. As important information fed back in the excavation process and the operation of the slope engineering, the slope displacement has uncertainty. The stability of the system is related to the safety of the whole project, and once the system is deformed and unstable, the system can seriously threaten the construction and safe operation of nearby projects, cause personal casualties and property loss, and even bring about a devastating disaster.
The deformation of the slope body and the reinforced structure is a remarkable characteristic of the instability damage of the slope body, so that the method is an effective means for monitoring the slope safety by monitoring the displacement of the slope in real time and sending out an early warning signal before the occurrence of large deformation.
At present, slope displacement monitoring systems mainly comprise the following two types, one is monitoring of surface displacement, and displacement of a slope meter is monitored by means of theodolite, a total station, GPS and the like; the other type is monitoring of deep displacement, and the layered horizontal displacement of the underground rock mass is monitored through a deep hole inclinometer. However, the two monitoring methods are time-consuming and labor-consuming when the topographic data and the surface data are regularly acquired, and the acquired data are relatively inaccurate.
Disclosure of Invention
In order to improve the accuracy of slope deformation data, the application provides a slope deformation monitoring and early warning method, a slope deformation monitoring and early warning system and an intelligent terminal.
In a first aspect, the application provides a slope deformation monitoring and early warning method, which adopts the following technical scheme:
a slope deformation monitoring and early warning method comprises the following steps:
acquiring displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope, and generating a displacement time curve graph of each monitored particle;
judging whether the region where the monitoring particles are located is deformed or not based on the displacement time curve graph and a preset deformation mechanism;
if the region where the monitored particles are located deforms, determining the region as a dangerous deformation region, and acquiring displacement variation of the dangerous deformation region;
and carrying out region division on the dangerous deformation region based on the displacement variable quantity and a preset processing mechanism, and acquiring corresponding monitoring data according to the divided regions.
Through adopting above-mentioned technical scheme, obtain the displacement data of each monitoring particle in real time and judge whether this monitoring particle is in the region and take place to warp, the region that will take place to warp is confirmed to dangerous deformation region to carry out the monitoring of full coverage to dangerous deformation region, realize the accurate monitoring of whole slope deformation, thereby be convenient for improve the accuracy of slope deformation data.
Optionally, the step of performing area division on the dangerous deformation area based on the displacement variation and a preset processing mechanism, and acquiring corresponding monitoring data according to the divided area specifically includes:
judging whether the displacement variation of the dangerous deformation area is larger than a first preset threshold value or not, and determining the area of which the displacement variation is larger than the first preset threshold value as a primary key monitoring area; the first preset threshold is a preset first critical value of slope deformation from a uniform deformation stage to an initial accelerated deformation stage;
acquiring the three-dimensional deformation of the primary key monitoring area;
judging whether the three-dimensional deformation of the primary key monitoring area is larger than a second preset threshold value or not, and determining an area, of which the three-dimensional deformation is larger than a second preset deformation, of the primary key monitoring area as a secondary key monitoring area; the second preset threshold is a preset second critical value from the initial accelerated deformation stage to the rapid accelerated deformation stage of the slope deformation;
acquiring three-dimensional coordinates of all monitoring particles in the secondary key monitoring area;
preprocessing the three-dimensional coordinates of the monitoring particles to obtain a three-dimensional coordinate change value, and selecting the monitoring particles with the three-dimensional coordinate change value larger than a third preset threshold value as key monitoring particles;
acquiring real-time monitoring data of the key monitoring particles; the real-time monitoring data comprise deformation, relative deformation, seepage mutation and vibration information of the side slope.
By adopting the technical scheme, the three-dimensional deformation of the primary key monitoring area, the three-dimensional coordinates of the secondary key monitoring area and the real-time monitoring data of key monitoring particles are sequentially acquired, seamless monitoring from transportation deformation to initial accelerated deformation to rapid accelerated deformation and to collapse moment and full-coverage monitoring from a large area to a small area to particles are performed, and the accuracy of slope deformation data monitoring is further improved conveniently.
Optionally, the method further includes:
and sending the real-time monitoring data to appointed terminal equipment at appointed time.
Through adopting above-mentioned technical scheme, send the real-time supervision data of gathering to appointed terminal equipment in real time, the staff of being convenient for in time knows the side slope dynamic change condition.
Optionally, the step of obtaining the displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope, and generating the displacement time curve graph of each monitored particle is executed before the step of:
acquiring original data of a slope field structure; the original data of the side slope field structure comprise the length and the width of the side slope;
calculating the area of the side slope according to the original data of the side slope field structure;
the slope is uniformly divided into a plurality of areas according to the area of the slope, and the center of each area is used as a monitoring particle.
By adopting the technical scheme, the side slope is uniformly divided into the plurality of areas according to the area of the side slope, and the center of each area is used as a monitoring particle, so that the side slope can be monitored in a full-coverage mode, and the accuracy of the side slope data can be improved.
Optionally, the original data of the side slope field structure specifically includes length, width, gradient and height of the side slope; further comprising:
generating a slope three-dimensional model according to the slope field structure original data and the real-time monitoring parameters; wherein the real-time monitoring parameters comprise the deformation of the side slope.
By adopting the technical scheme, the three-dimensional slope model is established according to the length, the width, the gradient and the width of the slope, and corresponding data and the deformation of the slope are updated in real time, so that the established three-dimensional slope model is relatively accurate, and a worker can conveniently acquire the real condition of the slope according to the three-dimensional slope model and predict the danger.
Optionally, the step of determining whether the region where the monitored particle is located is deformed based on the displacement time graph and a preset deformation mechanism specifically includes:
judging whether the displacement time curve graph is a trend sequence or not, if so, deforming the area where the monitoring particles corresponding to the displacement time curve are located;
wherein, the trend sequence refers to the increasing trend of the displacement curve along with time.
By adopting the technical scheme, when the displacement time curve graph is a trend sequence, namely the displacement curve is in an increasing trend along with time, the deformation of the area where the monitoring particles corresponding to the displacement time curve are located is indicated.
Optionally, if the region where the monitored particle is located deforms, the region is determined as a dangerous deformation region, and the step of obtaining the deformation amount of the dangerous deformation region specifically includes:
acquiring geographical position information of a dangerous deformation area;
judging whether the dangerous deformation area is a continuous area; wherein, the continuous area refers to two or more dangerous deformation areas as adjacent areas;
if the deformation amount of the dangerous deformation area is judged to be the same as the deformation amount of the dangerous deformation area, periodically scanning the continuous area at intervals of a first scanning period to obtain the deformation amount of the dangerous deformation area; if not, periodically scanning the dangerous deformation area at intervals of a second scanning period to obtain the deformation amount of the dangerous deformation area; wherein the first scanning period is less than the second scanning period.
By adopting the technical scheme, if the dangerous deformation area is a continuous area, the collapse speed is relatively high, and the continuous area needs to be monitored in a short period, so that the accuracy of the side slope data is improved conveniently.
In a second aspect, the application provides a slope deformation early warning monitoring system, adopts following technical scheme:
a slope deformation monitoring and early warning system comprises:
the displacement time curve generation module is used for acquiring the displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope and generating a displacement time curve graph of each monitored particle;
the deformation judgment module is used for judging whether the area where the monitoring particles are located deforms or not according to the displacement time curve graph and a preset deformation mechanism;
the deformation amount acquisition module is used for determining the region as a dangerous deformation region when the region where the monitoring particles are located deforms, and acquiring the deformation amount of the dangerous deformation region;
and the region division module is used for carrying out region division on the dangerous deformation region according to the deformation and a preset processing mechanism and acquiring corresponding monitoring data according to the divided regions.
Through adopting above-mentioned technical scheme, obtain the displacement data of each monitoring particle in real time and judge whether this monitoring particle is in the region and take place to warp, the region that will take place to warp is confirmed to dangerous deformation region to carry out the monitoring of full coverage to dangerous deformation region, realize the accurate monitoring of whole slope deformation, thereby be convenient for improve the accuracy of slope deformation data.
In a third aspect, the present application provides an intelligent terminal, which adopts the following technical scheme:
an intelligent terminal comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the slope deformation monitoring and early warning method.
Through adopting above-mentioned technical scheme, obtain the displacement data of each monitoring particle in real time and judge whether this monitoring particle is in the region and take place to warp, the region that will take place to warp is confirmed to dangerous deformation region to carry out the monitoring of full coverage to dangerous deformation region, realize the accurate monitoring of whole slope deformation, thereby be convenient for improve the accuracy of slope deformation data.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer readable storage medium, storing a computer program capable of being loaded by a processor and executing the slope deformation monitoring and early warning method.
Through adopting above-mentioned technical scheme, obtain the displacement data of each monitoring particle in real time and judge whether this monitoring particle is in the region and take place to warp, the region that will take place to warp is confirmed to dangerous deformation region to carry out the monitoring of full coverage to dangerous deformation region, realize the accurate monitoring of whole slope deformation, thereby be convenient for improve the accuracy of slope deformation data.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps of acquiring displacement data of each monitored particle in real time, judging whether the region where the monitored particle is located is deformed or not, determining the deformed region as a dangerous deformation region, and carrying out full-coverage monitoring on the dangerous deformation region to realize accurate monitoring of the whole slope deformation, so that the accuracy of slope deformation data is improved conveniently;
2. the method comprises the steps of sequentially obtaining the three-dimensional deformation of a primary key monitoring area, the three-dimensional coordinates of a secondary key monitoring area and the real-time monitoring data of key monitoring particles, carrying out seamless monitoring from transportation deformation to initial accelerated deformation to rapid accelerated deformation and to collapse moment, and carrying out full-coverage monitoring from a large area to a small area to the particles, so that the accuracy of slope deformation data monitoring is improved conveniently.
Drawings
Fig. 1 is a block flow diagram of a slope deformation monitoring and early warning method according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of region division in the slope deformation monitoring and early warning method shown in the embodiment of the application.
Fig. 3 is a block diagram of a flow of S16 in the slope deformation monitoring and warning method according to the embodiment of the present application.
Fig. 4 is a flowchart of a slope deformation monitoring and early warning system according to an embodiment of the present application.
Description of reference numerals: 1. a displacement time curve generation module; 2. a deformation judgment module; 3. a deformation amount obtaining module; 4. a region dividing module; 5. the edge computing gateway.
Detailed Description
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application. In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a slope deformation monitoring and early warning method. Referring to fig. 1, the slope deformation monitoring and early warning method includes the following steps:
s10, acquiring original data of a side slope field structure, and generating a side slope three-dimensional model according to the original data of the side slope field structure and the real-time monitoring parameters; the original data of the side slope field structure comprise the length, the width, the gradient and the height of the side slope; the real-time monitoring parameters include the deformation of the side slope.
It should be noted that the height, the length and the width of the side slope are obtained through the unmanned aerial vehicle, and the gradient of the side slope is obtained through the gradiometer. Because dispose GIS orientation module on the unmanned aerial vehicle for acquire unmanned aerial vehicle's height and position, thereby be convenient for obtain the height, length and the width of side slope.
And establishing a three-dimensional slope model according to the length, the width, the gradient and the width of the slope and the picture, and updating corresponding data and the deformation of the slope in real time, so that the established three-dimensional slope model is relatively accurate, and a worker can conveniently acquire the real condition of the slope according to the three-dimensional slope model and predict the danger.
And S11, calculating the area of the side slope according to the length and the width of the side slope.
And S12, uniformly dividing the slope into a plurality of areas according to the area of the slope, and taking the center of each area as a monitoring particle.
As shown in fig. 2, displacement meters are installed at monitoring quality points of each area, a plurality of displacement meters form a slope neural sensing network for acquiring slope displacement data, the slope displacement data acquired by the displacement meters in real time is transmitted to the edge computing gateway 5, and the edge computing gateway 5 transmits the received slope displacement data to the monitoring and early warning center for processing, storing and displaying.
S13, acquiring slope displacement data of each monitored particle of the slope, and generating a displacement time curve graph of each monitored particle according to the slope displacement data;
specifically, the time is taken as an X axis, the slope displacement data is taken as a Y axis, and the slope displacement data collected in real time is in one-to-one correspondence with the time to form a displacement coordinate point; and drawing lines between two adjacent displacement coordinate points according to a Bezier curve principle, and connecting the adjacent lines to form a displacement time curve graph.
The bezier curve is also called a bezz curve or a bezier curve, and is a mathematical curve applied to a two-dimensional graphic application program. A straight line between two coordinate points is drawn according to bezier curve formula b (t) ═ p0+ (p 1-p 0) × (1-t) × p0+ p1, te [0, 1], where p0 and p1 are two adjacent coordinate points.
And S14, judging whether the region where the monitoring particles are located is deformed or not based on the displacement time curve graph and a preset deformation mechanism.
Specifically, when the displacement time curve graph is a trend sequence, that is, the displacement curve is in an increasing trend along with time, it indicates that the region where the monitoring particles corresponding to the displacement time curve are located is deformed; when the displacement time curve graph is a stable sequence, that is, the displacement curve oscillates up and down on the horizontal line, it indicates that the deformation of the region where the monitored particles corresponding to the displacement time curve are located is relatively small, and the region belongs to a relatively safe region.
And S15, if the region where the monitoring particles are located is deformed, determining the region as a dangerous deformation region, and acquiring the displacement variation of the dangerous deformation region.
Wherein, S15 specifically includes:
s151, acquiring geographical position information of the dangerous deformation area;
specifically, the geographical position information of the dangerous deformation area is obtained through a geographical information system, and the dangerous deformation area is marked on the slope scattering comfort model according to the geographical position information, so that the working personnel can know the real-time state of the slope in time.
S152, judging whether the dangerous deformation area is a continuous area or not according to the geographical position information of the dangerous deformation area, wherein the continuous area refers to two or more dangerous deformation areas as adjacent areas;
s153, if yes, regularly scanning the continuous area at intervals of a first scanning period to obtain the displacement variation of the dangerous deformation area; if not, periodically scanning the dangerous deformation area by taking a second scanning period as an interval to obtain the displacement variation of the dangerous deformation area; wherein the first scanning period is smaller than the second scanning period, for example: the first scanning period is 1h, and the second scanning period is 2 h.
Specifically, the interferometric radar measuring system is arranged in a dangerous deformation area, and when a continuous area exists in the dangerous deformation area, the continuous area is scanned at intervals of a first scanning period to obtain displacement variation of the continuous area; and when the discontinuous region exists in the dangerous deformation region, scanning the discontinuous region by taking the second scanning period as an interval to obtain the displacement variation of the discontinuous region.
The interference radar measurement system is a synthetic aperture radar adopting an interference measurement technology, microwaves are transmitted to a target area by utilizing the radar, echoes reflected by the target area are received, an SAR complex image pair imaged by the same target area is obtained, if a coherence condition exists between the complex image pair, an interference pattern can be obtained by conjugate multiplication of the SAR complex image pair, and a path difference of the microwaves in two imaging processes is obtained according to a phase value of the interference pattern, so that the terrain, the landform and the surface micro-change of the target area are calculated.
And S16, carrying out region division on the dangerous deformation region based on the displacement variation and a preset processing mechanism, and acquiring corresponding monitoring data according to the divided regions.
As shown in fig. 3, S16 specifically includes the following steps:
s161, judging whether the displacement variation of the dangerous deformation area is larger than a first preset threshold value or not, and determining the area with the displacement variation larger than the first preset threshold value as a primary key monitoring area; the first preset threshold is a preset first critical value of slope deformation from a uniform deformation stage to an initial accelerated deformation stage;
it should be noted that, in the uniform deformation stage, the deformation develops at a constant speed, and the speed is substantially unchanged; in the initial accelerated deformation stage, the deformation of the slope is rapidly increased from the critical point, and the deformation rate is obviously accelerated.
The method comprises the steps of obtaining critical points of a plurality of slopes from a uniform velocity deformation stage to an initial acceleration deformation stage, obtaining displacement variation of each critical point, and selecting a minimum value as a preset first critical value.
And S162, acquiring the three-dimensional deformation of the primary key monitoring area.
Specifically, the primary key monitoring area is scanned at intervals of 30min through a three-dimensional laser radar measuring system, and the three-dimensional deformation of the primary key monitoring area is obtained.
The three-dimensional laser radar measuring system is a radar system which emits laser beams to detect space three-dimensional spherical coordinates of a target. And transmitting a detection signal to a target by adopting a coherent angle measurement and frequency modulation distance measurement principle, comparing a received echo signal reflected from the target with a transmission signal, and processing to obtain the three-dimensional deformation of the target.
S163, judging whether the three-dimensional deformation of the primary key monitoring area is larger than a second preset threshold value, and determining the area, of which the three-dimensional deformation is larger than the second preset threshold value, of the primary key monitoring area as a secondary key monitoring area; the second preset threshold is a preset second threshold value from the initial acceleration deformation stage to the rapid acceleration deformation stage of slope deformation.
It should be noted that when the slope enters the rapid acceleration deformation stage, the deformation rate sharply increases.
And obtaining critical points of the slopes from the initial accelerated deformation stage to the rapid accelerated deformation stage, obtaining three-dimensional deformation of each critical point, and selecting the minimum value as a preset second critical value.
Acquiring the lowest points of all critical points of the slope from the initial accelerated deformation stage to the rapid accelerated deformation stage in historical data, and taking the lowest points
S164, acquiring three-dimensional coordinates of all monitoring particles in a secondary key monitoring area;
it should be noted that the global satellite navigation system scans the secondary key monitoring area at intervals of 15min to obtain the three-dimensional coordinates of all monitored particles in the secondary key monitoring area.
Among them, the global satellite navigation system is a space-based radio navigation positioning system that can provide users with all-weather three-dimensional coordinates and speed and time information at any place on the earth's surface or in near-earth space.
S165, preprocessing the three-dimensional coordinates of the monitored particles to obtain a three-dimensional coordinate change value, and selecting the monitored particles with the three-dimensional coordinate change value larger than a third preset threshold value as key monitored particles;
specifically, three-dimensional coordinates of the monitored particle in two adjacent scanning periods t1 and t2, namely A1 (x 1, y1, z 1) and A2 (x 2, y2, z 2), are obtained, a difference value A '(x 2-x1, y2-y1, z2-z 1) of the two three-dimensional coordinates and a three-dimensional coordinate change value of any numerical value between two adjacent scanning periods, namely x' = (x 2-x 1)/(t 2-t 1), y '= (y 2-y 1)/(t 2-t 1), z' = (z 2-z 1)/(t 2-t 1) are calculated; and judging whether any three-dimensional coordinate change value is larger than a third preset threshold value, and determining the monitored particles as key monitored particles when one three-dimensional coordinate change value is larger than the third preset threshold value.
S166, acquiring real-time monitoring data of key monitoring particles; the real-time monitoring data comprise deformation, relative deformation, seepage mutation and vibration information of the side slope.
Particularly, the micro-core pile is installed at the key monitoring particles, and the collapse process of the area where the key monitoring particles are located is monitored and early warned.
The micro-core pile is an active monitoring device researched and developed based on a instability dynamics theory and instability early warning indexes, and sensing, acquisition, transmission, analysis and early warning 1-second response are realized by adopting a high-precision micro-motion displacement sensing technology. The micro-core pile is arranged on key monitoring particles which are large in deformation and easy to collapse in a side slope region, so that data such as deformation, relative deformation, seepage mutation, 100Hz frequency vibration data of the side slope and the like can be collected conveniently.
And S167, sending the real-time monitoring data to the appointed terminal equipment at the appointed time.
Particularly, the micro-core pile sends acquired real-time monitoring data to the appointed terminal equipment in real time, so that the working personnel can know the dynamic change condition of the side slope in time.
In addition, when the real-time monitoring data collected by the micro-core pile exceeds a preset range, the micro-core pile continuously vibrates and sends warning information to the appointed terminal equipment.
Based on the above method, the embodiment of the application further discloses a slope deformation monitoring and early warning system, with reference to fig. 4, including:
the displacement time curve generation module 1 is used for acquiring displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope and generating a displacement time curve graph of each monitored particle;
the deformation judgment module 2 is used for judging whether the area where the monitored particles are located is deformed or not according to the displacement time curve graph and a preset deformation mechanism;
the deformation amount acquisition module 3 is used for determining the region where the monitored particles are located as a dangerous deformation region when the region is deformed, and acquiring the deformation amount of the dangerous deformation region;
and the region division module 4 is used for performing region division on the dangerous deformation region according to the deformation and a preset processing mechanism and acquiring corresponding monitoring data according to the divided region.
The embodiment of the application further discloses an intelligent terminal which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the slope deformation monitoring and early warning method.
The embodiment of the application also discloses a computer-readable storage medium, which stores a computer program that can be loaded by a processor and execute the slope deformation monitoring and early warning method, and the computer-readable storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and the division of the modules or units is merely a logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The above embodiments are only used to describe the technical solutions of the present application in detail, but the above embodiments are only used to help understanding the method and the core idea of the present application, and should not be construed as limiting the present application. Those skilled in the art should also appreciate that various modifications and substitutions can be made without departing from the scope of the present disclosure.
Claims (10)
1. A slope deformation monitoring and early warning method is characterized by comprising the following steps:
acquiring displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope, and generating a displacement time curve graph of each monitored particle;
judging whether the region where the monitoring particles are located is deformed or not based on the displacement time curve graph and a preset deformation mechanism;
if the region where the monitored particles are located deforms, determining the region as a dangerous deformation region, and acquiring displacement variation of the dangerous deformation region; and the number of the first and second groups,
and carrying out region division on the dangerous deformation region based on the displacement variable quantity and a preset processing mechanism, and acquiring corresponding monitoring data according to the divided regions.
2. The slope deformation monitoring and early warning method according to claim 1, wherein the step of performing area division on the dangerous deformation area based on the displacement variation and a preset processing mechanism, and the step of acquiring corresponding monitoring data according to the divided areas specifically comprises:
judging whether the displacement variation of the dangerous deformation area is larger than a first preset threshold value or not, and determining the area of which the displacement variation is larger than the first preset threshold value as a primary key monitoring area; the first preset threshold is a preset first critical value of slope deformation from a uniform deformation stage to an initial accelerated deformation stage;
acquiring the three-dimensional deformation of the primary key monitoring area;
judging whether the three-dimensional deformation of the primary key monitoring area is larger than a second preset threshold value or not, and determining an area, of which the three-dimensional deformation is larger than a second preset deformation, of the primary key monitoring area as a secondary key monitoring area; the second preset threshold is a preset second critical value from the initial accelerated deformation stage to the rapid accelerated deformation stage of the slope deformation;
acquiring three-dimensional coordinates of all monitoring particles in the secondary key monitoring area;
preprocessing the three-dimensional coordinates of the monitoring particles to obtain a three-dimensional coordinate change value, and selecting the monitoring particles with the three-dimensional coordinate change value larger than a third preset threshold value as key monitoring particles;
acquiring real-time monitoring data of the key monitoring particles; the real-time monitoring data comprise deformation, relative deformation, seepage mutation and vibration information of the side slope.
3. The slope deformation monitoring and early warning method according to claim 2, further comprising:
and sending the real-time monitoring data to appointed terminal equipment at appointed time.
4. The slope deformation monitoring and early warning method according to claim 1, wherein the step of obtaining the displacement data of each monitored particle of the slope in real time, preprocessing the displacement data of each monitored particle of the slope, and generating the displacement time curve graph of each monitored particle is preceded by the step of:
acquiring original data of a slope field structure; the original data of the side slope field structure comprise the length and the width of the side slope;
calculating the area of the side slope according to the original data of the side slope field structure;
the slope is uniformly divided into a plurality of areas according to the area of the slope, and the center of each area is used as a monitoring particle.
5. The slope deformation monitoring and early warning method according to claim 4, characterized in that: the original data of the side slope field structure specifically comprise the length, the width, the gradient and the height of a side slope; further comprising:
generating a slope three-dimensional model according to the slope field structure original data and the real-time monitoring parameters; the real-time monitoring parameters comprise the deformation of the slope and the rainfall intensity.
6. The slope deformation monitoring and early warning method according to claim 1, characterized in that: the step of judging whether the region where the monitored particles are located is deformed or not based on the displacement time curve graph and a preset deformation mechanism specifically comprises the following steps of:
judging whether the displacement time curve graph is a trend sequence or not, if so, deforming the area where the monitoring particles corresponding to the displacement time curve are located;
wherein, the trend sequence refers to the increasing trend of the displacement curve along with time.
7. The slope deformation monitoring and early warning method according to claim 1, wherein if the region where the monitored particles are located deforms, the region is determined as a dangerous deformation region, and the step of obtaining the deformation amount of the dangerous deformation region specifically comprises the following steps:
acquiring geographical position information of a dangerous deformation area;
judging whether the dangerous deformation area is a continuous area; wherein, the continuous area refers to two or more dangerous deformation areas as adjacent areas;
if the deformation amount of the dangerous deformation area is judged to be the same as the deformation amount of the dangerous deformation area, periodically scanning the continuous area at intervals of a first scanning period to obtain the deformation amount of the dangerous deformation area; if not, periodically scanning the dangerous deformation area at intervals of a second scanning period to obtain the deformation amount of the dangerous deformation area; wherein the first scanning period is less than the second scanning period.
8. The utility model provides a slope deformation monitoring early warning system which characterized in that includes:
the displacement time curve generation module (1) is used for acquiring the displacement data of each monitored particle of the side slope in real time, preprocessing the displacement data of each monitored particle of the side slope and generating a displacement time curve graph of each monitored particle;
the deformation judgment module (2) is used for judging whether the area where the monitoring particles are located deforms or not according to the displacement time curve graph and a preset deformation mechanism;
the deformation acquisition module (3) is used for determining the region where the monitoring particles are located as a dangerous deformation region when the region is deformed, and acquiring the deformation of the dangerous deformation region;
and the region division module (4) is used for carrying out region division on the dangerous deformation region according to the deformation and a preset processing mechanism and acquiring corresponding monitoring data according to the divided region.
9. The utility model provides an intelligent terminal which characterized in that: comprising a memory and a processor, said memory having stored thereon a computer program which can be loaded by the processor and which performs the method according to any of claims 1-7.
10. A computer-readable storage medium characterized by: a computer program which can be loaded by a processor and which executes the method according to any of claims 1-7.
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