Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The following describes a slope slip monitoring method and apparatus according to an embodiment of the present application with reference to the drawings.
Fig. 1 is a flowchart of a slope slip monitoring method according to an embodiment of the present application, as shown in fig. 1, the method includes the following steps:
s101, obtaining GNSS monitoring data of each monitoring point on the slope.
The side slope refers to a slope surface with a certain slope which is formed on two sides of the roadbed to ensure the stability of the roadbed. In the embodiment of the application, a plurality of monitoring points capable of reflecting the change characteristics of the slope are directly or indirectly arranged on the slope according to the priori knowledge.
Optionally, the monitoring point may be disposed on the surface of the side slope, or may be disposed in the ground-near space of the side slope, which is not limited in this application.
Monitoring data of the monitoring point is acquired by using a Global Navigation Satellite System (GNSS), and optionally, the monitoring data includes a three-dimensional coordinate of the monitoring point and time information when the three-dimensional coordinate is acquired.
S102, determining displacement information of the monitoring points according to the monitoring data of the monitoring points and the reference data of the reference monitoring points.
In some implementations, each monitoring point has a corresponding reference monitoring point, in the present application, reference data of the reference monitoring point can be obtained by using GNSS, and it should be noted that the reference data of the reference monitoring point is reference data corresponding to the monitoring point.
Optionally, in the embodiment of the present application, before determining the displacement information of the monitoring point according to the monitoring data of the monitoring point and the reference data of the reference monitoring point, a coordinate system needs to be converted, that is, the GNSS monitoring data of each monitoring point is converted from a latitude and longitude coordinate system to a geodetic coordinate system.
In some implementations, the monitored data of the monitored point is subtracted from the reference data of the reference monitored point to determine displacement information of the monitored point at the ith time.
And S103, acquiring a slope direction angle.
In some implementations, a slope inclination is obtained based on the monitored site terrain data, and a slope heading angle is determined based on the slope inclination. In some implementations, at the beginning of the survey, a slope inclination is obtained from mapping the terrain of the slope, and the slope bearing angle is confirmed from the slope inclination. In the embodiment of the application, the slope direction angle is an angle corresponding to the slope tendency.
And S104, generating a monitoring radar map of slope sliding according to the displacement information of the monitoring points.
And acquiring a displacement azimuth angle and a displacement variable quantity of the monitoring point at the ith moment according to the displacement information of the monitoring point at the ith moment, and further generating a monitoring radar map of the side slope sliding according to the displacement azimuth angle and the displacement variable quantity at each moment.
Optionally, the horizontal direction displacement azimuth angle of the monitoring point at the ith moment is used as a polar angle, the displacement variation of the monitoring point at the ith moment is used as a polar diameter, and a polar coordinate in a polar coordinate system is determined, so that the monitoring radar map of the slope sliding is generated.
And S105, determining the spatial relationship between the main sliding direction of the slope and the slope surface according to the slope direction angle and the monitoring radar map.
And acquiring the main sliding direction of the slope according to the deviation of the monitoring point position in the monitoring radar chart, and acquiring the spatial relation of the slope surface according to the main sliding direction and the slope direction angle.
In the embodiment of the application, displacement information of the monitoring point is determined according to the monitoring data of the monitoring point and the reference data of the reference monitoring point; generating a monitoring radar map of slope sliding according to the displacement information of the monitoring points; and determining the spatial relationship between the main sliding direction of the side slope and the slope surface according to the side slope direction angle and the monitoring radar map. The deformation direction of monitoring point department can be directly perceived to this application, monitors the slip direction of side slope according to the relative deformation between side slope and the monitoring point, combines together monitoring data and map display to the rate of accuracy and the efficiency of slip monitoring have been improved.
Fig. 2 is a flowchart of a slope slip monitoring method according to an embodiment of the present application, as shown in fig. 2, and based on the above facts, the method further includes the following steps:
s201, acquiring first coordinate information of a monitoring point from the monitoring data.
In the embodiment of the application, one of the sensors is used for monitoringThe points are introduced as examples, and table 1 is monitoring data of one monitoring point provided in the embodiment of the present application, please refer to table 1, wherein, year, month, day, hour, minute, and second are time information corresponding to the monitoring point, Xi,Yi,ZiCoordinate values of three-dimensional coordinates corresponding to the monitoring points, wherein XiIs a coordinate value of the transverse horizontal direction, YiIs a coordinate value of the longitudinal horizontal direction, ZiAre coordinate values in the vertical direction. Alternatively, in the embodiment of the present application, the unit of the coordinate value may be meter.
TABLE 1
In the embodiment of the present application, the monitoring data of the monitoring point may be represented as (T)i,Xi,Yi,Zi) Wherein, TiAcquiring first coordinate information (X) of the monitoring point at the ith moment for the time information corresponding to the monitoring point at the ith moment, namely the information of the year, the month, the day, the hour, the minute and the second corresponding to the monitoring point at the ith momenti,Yi,Zi)。
And S202, acquiring second coordinate information of the reference monitoring point from the reference data.
Table 2 shows the reference data of the reference monitoring points provided in the embodiment of the present application, please refer to table 2, wherein, year, month, day, hour, minute, and second are time information corresponding to the reference monitoring points, and X is0,Y0,Z0Coordinate values of three-dimensional coordinates corresponding to the reference monitoring points, wherein X0Is a coordinate value of the transverse horizontal direction, Y0Is a coordinate value of the longitudinal horizontal direction, Z0Are coordinate values in the vertical direction. Alternatively, in the embodiment of the present application, the unit of the coordinate value may be meter.
TABLE 2
In the embodiment of the present application, the reference data of the reference monitoring point can be represented as (T)0,X0,Y0,Z0) Wherein, T0For the time information corresponding to the reference monitoring point, namely the information of year, month, day, hour, minute and second of the reference monitoring point, the second coordinate information (X) of the reference monitoring point is obtained0,Y0,Z0)。
And S203, determining displacement information according to the first coordinate information and the second coordinate information.
The first coordinate information of any moment of the monitoring point is differed with the second coordinate information of the reference monitoring point, and the displacement information (x) of the monitoring point at the ith moment is obtainedi,yi,zi)。
Optionally, in this embodiment of the present application, the following formula may be adopted to obtain the displacement information of the monitoring point at the ith time:
(xi,yi,zi)=(Xi,Yi,Zi)-(X0,Y0,Z0)
in the embodiment of the application, first coordinate information of a monitoring point is obtained from monitoring data, second coordinate information of a reference monitoring point is obtained from reference data, and displacement information is determined according to the first coordinate information and the second coordinate information. The deformation direction of monitoring point department can be directly perceived to this application, monitors the slip direction of side slope according to the relative deformation between side slope and the monitoring point, combines together monitoring data and map display to the rate of accuracy and the efficiency of slip monitoring have been improved.
Fig. 3 is a flowchart of a slope slip monitoring method according to an embodiment of the present application, as shown in fig. 3, and based on the above facts, the method further includes the following steps:
s301, aiming at each monitoring point, according to the displacement information of the monitoring point, determining the displacement azimuth angle and the target displacement variation of the monitoring point in the horizontal direction.
In order to improve the accuracy of slope detection, the embodiment of the application is based on the vector value between the horizontal direction and the longitudinal horizontal directionAnd confirming the displacement azimuth angle of the monitoring point in the horizontal direction. For example, the displacement information at the ith time point for the monitoring point is (t)i,xi,yi,zi) The following formula can be adopted to confirm the displacement azimuth angle alpha of the monitoring point at the ith momenti:
In some implementations, the horizontal displacement variation of the monitoring point is obtained as the target displacement variation of the monitoring point according to the displacement information, and optionally, the following formula may be adopted to obtain the horizontal displacement variation L of the monitoring point at the ith momenti:
In some implementations, the amount of displacement change z in the vertical direction of the monitoring point is obtained according to the displacement informationiAs the target displacement variation amount of the monitoring point.
In some implementations, the total displacement variation of the monitoring point is obtained as the target displacement variation of the monitoring point according to the displacement information, and optionally, the following formula may be adopted to obtain the total displacement variation dis of the monitoring point at the ith momenti:
And S302, determining the position of the monitoring point in the geological compass map based on the displacement azimuth and the target displacement variation.
Optionally, in this embodiment of the application, a geological compass chart may be established with a reference monitoring point corresponding to the monitoring point as a center of a circle, a due north direction as 0 °, and a clockwise direction as a positive direction, an angle of the monitoring point in the geological compass chart is determined based on the displacement azimuth, and a distance between the monitoring point and the center of the geological compass chart is determined based on the target displacement variation.
In some implementations, a maximum of the target displacement variation is selected from all the monitoring points, and the display radius of the geological compass map is determined. In some implementations, the display radius of the geological compass map is determined to be L, with the displacement variation in the horizontal direction as the target displacement variationm=max[|Lmax|,|Lmin|]Wherein max.]For maximum value operation, LmaxIs the maximum value of the horizontal direction in the geological compass map at each moment of the monitoring point, LminIs the minimum value of the horizontal direction in the geological compass map at each moment of the monitoring point.
In some implementations, the display radius of the geological compass map is determined to be z, with the displacement variation in the vertical direction as the target displacement variationm=max[|zmax|,|zmin|]Wherein z ismaxIs the maximum value of the monitoring point in the vertical direction in the geological compass chart at each moment, zminThe minimum value of the monitoring points in the vertical direction in the geological compass map at each moment is shown.
In some implementations, the display radius of the geological compass map is determined to be dis, with the total displacement variation serving as a target displacement variationm=max[|dismax|,|dismin|]Wherein, dismaxIs the maximum value dis of the total displacement of the monitoring points in the geological compass chart at each momentminThe minimum value of the total displacement of the monitoring points in the geological compass chart at each moment.
And S303, marking the positions of the monitoring points on the geological compass map to generate a monitoring radar map.
And marking the initial radar map based on the position of the monitoring point in the geological compass map to generate a monitoring radar map.
In the embodiment of the application, the displacement azimuth angle and the target displacement variation of the monitoring point in the horizontal direction are determined according to the displacement information of the monitoring point, the position of the monitoring point in the geological compass map is determined based on the displacement azimuth angle and the target displacement variation, and the position of the monitoring point is marked on the geological compass map so as to generate the monitoring radar map. The deformation direction of monitoring point department can be directly perceived to this application, monitors the slip direction of side slope according to the relative deformation between side slope and the monitoring point, combines together monitoring data and map display to the rate of accuracy and the efficiency of slip monitoring have been improved.
In order to accurately monitor the stability of the side slope and improve the safety, in some implementations, after generating the monitoring radar map of the side slope sliding according to the displacement information of the monitoring point, the method further includes: and dividing the display radius of the monitoring radar map according to the set step length so as to generate a plurality of concentric circles on the monitoring radar map. In the embodiment of the present application, 0.02 unit length is taken as a set step length for example, as shown in fig. 4, each "+" indicates a monitoring point position, the number of monitoring points in each concentric circle is counted, a step length interval with the largest number of monitoring points is obtained, and then a sliding alarm threshold is determined; as shown in fig. 4, the step length interval with the largest number of monitoring points is between 0.02 and 0.04 unit length, in some implementations, the sliding alarm threshold may be determined to be 0.02 or 0.04, and in some implementations, the sliding alarm threshold may be further determined according to the displacement variation of the monitoring points between 0.02 and 0.04 unit length, for example, an average value of the displacement variations of the monitoring points between 0.02 and 0.04 unit length is used as the sliding alarm threshold, and a slope safety early warning level is obtained according to the sliding alarm threshold, so as to perform slope monitoring early warning. Optionally, the larger the sliding alarm threshold is, the lower the slope stability is, and the higher the slope safety precaution level is.
Fig. 5 is a flowchart of a slope slip monitoring method according to an embodiment of the present application, as shown in fig. 5, the method includes the following steps:
s501, acquiring a target area with the largest number of monitoring points in the monitoring radar map as a main sliding direction of the slope.
In some implementations, the number of monitoring points in each quadrant of the monitored radar map is counted, and the quadrant with the largest number of monitoring points is used as the target area, for example, if the displacement azimuth angle is 0<αi<90, the monitoring point is in the first quadrant of the geological compass map, if the azimuth angle 90 is displaced<αi<180, the monitoring point is in the second quadrant of the geological compass map, if the displacement azimuth angle is 180<αi<270, the monitoring point isThird quadrant of geological compass plot if azimuth is displaced 270<αi<And 360, the monitoring point is in the fourth quadrant of the geological compass map.
S502, determining the main sliding direction angle of the slope according to the displacement azimuth angle of the monitoring point in the target area.
As shown in fig. 6, in some implementations, the displacement azimuth of each monitoring point within the target area is counted, and the mode of the displacement azimuth of the monitoring point is taken as the main sliding direction angle of the slope. In some implementations, the displacement azimuth of each monitoring point in the target area is counted, the first preset angle is used as a step length, the number of monitoring points of the candidate angle in the preset range is counted, the candidate angle with the largest number is used as the main sliding direction of the side slope, for example, if the target area is a first quadrant, the first preset angle is 1 °, the preset range is ± 1 °, the 1 st candidate angle is 1 °, the number of monitoring points in the range of (0 °, 2 ° ] is counted as the number of monitoring points of the 1 st candidate angle, and the 2 nd candidate angle, that is, the number of monitoring points of 2 ° is continuously counted until the number of monitoring points of all candidate angles in the first quadrant is obtained, and the candidate angle corresponding to the maximum value of the number of monitoring points is used as the main sliding direction angle of the side slope.
And S503, forming a spatial relationship between the main sliding direction and the slope surface according to the main sliding direction angle and the slope direction angle.
Obtaining the angle difference between the main sliding direction angle gamma and the slope direction angle beta
Wherein,
and determining the spatial relationship between the main sliding direction and the slope according to the range of the angle difference.
Alternatively, if
The spatial relationship between the main sliding direction and the slope surface is nearly vertical if
Or
The spatial relationship between the main sliding direction and the slope is an oblique angle if
Or
The spatial relationship between the main sliding direction and the slope is a large oblique angle if
Or
The spatial relationship between the main sliding direction and the slope surface is nearly horizontal.
As shown in fig. 6, the slope direction angle and the main slip direction angle are marked in the monitoring radar chart, and for example, if the main slip direction angle γ is 150 °, the slope direction angle β is 225 °, the angle difference is large
The space relation between the main sliding direction and the slope surface is nearly horizontal.
In the embodiment of the application, the target area with the largest number of monitoring points in the monitoring radar map is obtained and used as the main sliding direction of the side slope, the main sliding direction angle of the side slope is determined according to the displacement azimuth angle of the monitoring points in the target area, and the space relation between the main sliding direction and the slope surface is formed according to the main sliding direction angle and the side slope direction angle. The deformation direction of monitoring point department can be directly perceived to this application, monitors the slip direction of side slope according to the relative deformation between side slope and the monitoring point, combines together monitoring data and map display to the rate of accuracy and the efficiency of slip monitoring have been improved.
In summary, in the embodiment of the present application, the positions of the monitoring points in the geological compass map can be determined according to the reference data of the reference monitoring points and the monitoring data of each monitoring point, so as to generate the monitoring radar map, the main sliding direction of the side slope is obtained by combining the relative positions of the monitoring points and the reference monitoring points, further, the direction angle of the side slope is marked in the monitoring radar map, and the spatial relationship between the main sliding direction and the slope surface is obtained by combining the main sliding direction of the side slope. Furthermore, the detection radar map can be divided into a plurality of concentric circles, a sliding alarm threshold value is determined according to the number of monitoring points in the concentric circles and monitoring data, and safety early warning is carried out on the stability of the side slope.
As shown in fig. 7, based on the same application concept, the present application further provides a slope sliding monitoring device 700, including:
the first obtaining module 710 is configured to obtain GNSS monitoring data of each monitoring point on the slope;
the first determining module 720 is configured to determine displacement information of the monitoring point according to the monitoring data of the monitoring point and the reference data of the reference monitoring point;
a second obtaining module 730, configured to obtain a slope direction angle;
the generating module 740 is configured to generate a monitoring radar map of slope sliding according to the displacement information of the monitoring points;
and a second determining module 750, configured to determine a spatial relationship between the main sliding direction of the slope and the slope surface according to the slope direction angle and the monitoring radar map.
In one possible implementation, the generating module 740 is further configured to: aiming at each monitoring point, determining a displacement azimuth angle and a target displacement variation of the monitoring point in the horizontal direction according to the displacement information of the monitoring point; determining the position of the monitoring point in the geological compass map based on the displacement azimuth and the target displacement variation; and marking the positions of the monitoring points on the geological compass map to generate a monitoring radar map.
In one possible implementation, the generating module 740 is further configured to: determining the angle of the monitoring point in the geological compass map based on the displacement azimuth; and determining the distance between the monitoring point and the circle center of the geological compass chart based on the target displacement variation, wherein the circle center is a reference monitoring point corresponding to the monitoring point.
In a possible implementation manner, the second determining module 750 is further configured to: acquiring a target area with the largest number of monitoring points in a monitoring radar map as a main sliding direction of the slope; determining the main sliding direction angle of the slope according to the displacement azimuth angle of the monitoring point in the target area; and forming a spatial relation between the main sliding direction and the slope surface according to the main sliding direction angle and the slope direction angle.
In a possible implementation manner, the second determining module 750 is further configured to: acquiring an angle difference between a main sliding direction angle and a side slope direction angle; and determining the spatial relationship between the main sliding direction and the slope according to the range of the angle difference.
In one possible implementation, the generating module 740 is further configured to: determining the display radius of the geological compass chart based on the displacement information of the monitoring points; a geological compass plot is generated based on the display radius.
In one possible implementation, the generating module 740 is further configured to: based on the displacement information of the monitoring points, acquiring the horizontal direction variation, the vertical direction variation and the total displacement variation of the monitoring points; taking one of the displacement variation in the horizontal direction, the displacement variation in the vertical direction and the total displacement variation as a target displacement variation; and selecting the maximum value of the target displacement variation from all the monitoring points, and determining the display radius of the geological compass chart.
In one possible implementation, the first determining module 720 is further configured to: acquiring first coordinate information of a monitoring point from monitoring data; acquiring second coordinate information of the reference monitoring point from the reference data; and determining displacement information according to the first coordinate information and the second coordinate information.
In a possible implementation manner, the slope sliding monitoring apparatus 700 further includes an alarm threshold determining module 760, which divides the display radius of the monitoring radar map according to a set step length to generate a plurality of concentric circles on the monitoring radar map; counting the number of monitoring points in each concentric circle; and determining a sliding alarm threshold according to the number of the monitoring points in the concentric circles and the displacement variation of the monitoring points.
The deformation direction of monitoring point department can be directly perceived to this application, monitors the slip direction of side slope according to the relative deformation between side slope and the monitoring point, combines together monitoring data and map display to the rate of accuracy and the efficiency of slip monitoring have been improved.
Based on the same application concept, the embodiment of the application also provides the electronic equipment.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 8, the electronic device 800 includes a memory 810, a processor 820 and a computer program product stored in the memory 810 and executable on the processor 820, and when the processor executes the computer program, the method for monitoring the sliding of the slope is implemented.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Based on the same application concept, the embodiment of the present application further provides a computer-readable storage medium, on which computer instructions are stored, where the computer instructions are used to enable a computer to execute the slope slip monitoring method in the foregoing embodiment.
Based on the same application concept, the present application further provides a computer program product, including a computer program, where the computer program is executed by a processor, and the method for monitoring sliding of a slope in the foregoing embodiment is provided.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
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 application, "a plurality" means two or more unless specifically limited otherwise.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.