CN117870626B - Monitoring method for pile casting process in lava region - Google Patents
Monitoring method for pile casting process in lava region Download PDFInfo
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Abstract
The invention provides a monitoring method for a piling pouring process of a lava region, which comprises the steps of cruising shooting and analyzing a target region of the lava region before piling pouring construction to obtain surface profile data of the target region, constructing an original surface morphology model of the target region, and carrying out geological characterization on the target region from a surface layer; the stratum dynamic characteristic information is obtained based on the first stratum internal dynamic data of the target area in the piling pouring construction process, so that an original surface morphology characteristic model is corrected, potential subsidence subareas of the target area are determined, and the settlement risk distinction in the target area is realized; and the formation movement characteristic information is obtained based on the second formation internal dynamic data of all the potential sedimentation subareas, so that whether the target area has abnormal sedimentation conditions or not is judged, the sedimentation problems possibly induced by pile pouring construction are accurately identified through the earth surface and the ground bottom, the monitoring workload is reduced, and the monitoring accuracy is improved.
Description
Technical Field
The invention relates to the field of building operation monitoring, in particular to a monitoring method for pile driving pouring process in lava areas.
Background
The main geological component of the lava region is lava, and the lava region has the characteristics of small mechanical rigidity, fragility and the like, and when construction operations such as piling and pouring are carried out in the lava region, accidents such as sedimentation or collapse and the like are easily induced in the lava region, so that the construction safety cannot be ensured. Therefore, a plurality of earth surface monitoring points are usually arranged in a construction area, the earth surface of the construction area is mapped and monitored in real time in the construction process, and whether the construction area has a geological structure problem is judged according to mapping data generated by all earth surface monitoring points. However, the above mode can only carry out data acquisition from the surface layer to the construction area, can not carry out data monitoring from the surface layer to the construction area, reduces the reliability of data acquisition and analysis, and the above mode needs all surface monitoring points to complete monitoring in a simultaneous cooperation way, thereby increasing the workload and difficulty of monitoring, being incapable of acquiring comprehensive monitoring data in real time, and reducing the monitoring accuracy of the influence of piling pouring construction on a geological structure.
Disclosure of Invention
The invention aims to provide a monitoring method for a piling pouring process of a lava region, which is used for cruising shooting and analyzing a target region of the lava region before piling pouring construction to obtain surface profile data of the target region, so as to construct an original surface morphology model of the target region, and carrying out geological characterization on the target region from a surface layer; the stratum dynamic characteristic information is obtained based on the first stratum internal dynamic data of the target area in the piling pouring construction process, so that an original surface morphology characteristic model is corrected, potential subsidence subareas of the target area are determined, and the settlement risk distinction in the target area is realized; and based on the dynamic data in the second stratum of all the potential sedimentation subareas, stratum movement characteristic information is obtained, so that whether abnormal sedimentation conditions occur in the target area or not is judged, the sedimentation problems possibly induced by pile casting construction are accurately identified through the earth surface and the ground bottom, corresponding early warning notification is carried out, the monitoring workload is reduced, and the monitoring accuracy is improved.
The invention is realized by the following technical scheme:
a method for monitoring a pile casting process in a lava region, comprising:
Cruising shooting is carried out on a target area of a lava region before piling and pouring construction, so that a ground surface image of the target area is obtained; analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data;
acquiring first stratum internal dynamic data of the target area in the piling pouring construction process, and analyzing the first stratum internal dynamic data to obtain stratum dynamic characteristic information of the target area; correcting the original surface morphology model based on the stratum dynamic characteristic information, and determining a potential sedimentation subarea of the target area;
Acquiring second stratum internal dynamic data of all potential sedimentation subareas, and analyzing the second stratum internal dynamic data to obtain stratum movement characteristic information of the potential sedimentation subareas; judging whether abnormal sedimentation occurs in the target area or not based on the stratum movement characteristic information;
and carrying out corresponding early warning notification based on the judging result of the abnormal sedimentation condition.
Optionally, cruising shooting is carried out on a target area of a lava region before pile casting construction, so as to obtain a surface image of the target area, and the method comprises the following steps:
Constructing a communication channel between an unmanned aerial vehicle and a plurality of ground base stations arranged on the boundary of a target area of a lava region, and limiting the cruising flight range of the unmanned aerial vehicle through the ground base stations so that the unmanned aerial vehicle can only cruise and fly in an upper empty area corresponding to the target area;
Determining a cruise flight path corresponding to cruise shooting of the target area by the unmanned aerial vehicle based on the area of the target area and the shooting view field range of the unmanned aerial vehicle, so as to obtain a plurality of aerial shooting surface sub-images about the target area; and then based on the shooting sequence of all aerial earth surface sub-images, splicing all aerial earth surface sub-images to form an earth surface image of the global range of the target area.
Optionally, analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data, including:
Performing surface contour depth recognition processing on the surface image to obtain surface contour relief depth data of the target area; and performing simulation processing on the surface contour relief depth data to construct an original surface morphology model of the target area.
Optionally, acquiring first stratum internal dynamic data of the target area in the pile pouring construction process, analyzing the first stratum internal dynamic data to obtain stratum dynamic characteristic information of the target area, including:
Acquiring stratum internal vibration dynamic data of the target area in the pile pouring construction process through distributed grating sensing equipment installed at different depth positions and different horizontal positions of the ground of the target area; wherein the dynamic data of the internal vibration of the stratum comprises data of the internal vibration amplitude of the stratum and data of the internal vibration frequency of the stratum;
and analyzing the vibration dynamic data in the stratum to obtain transmission state information of each vibration wave of stratum planes corresponding to different depth positions in the stratum bottom of the target area, and taking the transmission state information as stratum dynamic characteristic information of the target area.
Optionally, based on the formation dynamic feature information, correcting the original surface morphology model to determine a potential subsidence subarea of the target area, including:
Determining all subareas of the vibration wave energy collected in the original surface morphology model exceeding a preset energy threshold based on the vibration wave transmission state information;
And acquiring the thickness of the subarea of the vibration wave energy exceeding the preset energy threshold value on the surface layer of the original surface morphology model, and determining the subarea of the vibration wave energy exceeding the preset energy threshold value as a potential sedimentation subarea if the thickness of the surface layer is smaller than the preset thickness threshold value.
Optionally, acquiring second formation internal dynamic data of all potential sedimentation subareas, and analyzing the second formation internal dynamic data to obtain formation movement characteristic information of the potential sedimentation subareas, including:
the method comprises the steps of obtaining stratum internal displacement dynamic data of a target area after pile casting construction is completed through distributed ultrasonic equipment installed at different depth positions and different horizontal positions of the ground of the target area, and extracting stratum internal displacement dynamic data corresponding to all potential sedimentation subareas based on the positions of all potential sedimentation subareas in the target area;
Analyzing the stratum internal displacement dynamic data corresponding to the potential sedimentation subarea to obtain movement characteristic information of all stratum subordinate to the potential sedimentation subarea; wherein the movement characteristic information includes displacement amount information and displacement direction information.
Optionally, based on the stratum movement characteristic information, judging whether abnormal settlement occurs in the target area or not includes:
Judging whether displacement amount inconsistency or displacement direction dislocation exists in all strata subordinate to the potential sedimentation subarea or not based on displacement amount information and displacement direction information of all strata subordinate to the potential sedimentation subarea, and if so, judging that abnormal sedimentation occurs in the target area; and if the abnormal sedimentation condition does not exist, judging that the abnormal sedimentation condition does not occur in the target area.
Optionally, based on the determination result of the abnormal sedimentation condition, performing a corresponding early warning notification, including:
when abnormal settlement occurs in the target area, a corresponding early warning notification message is generated based on the position information of the potential settlement sub-area corresponding to the condition that the displacement is inconsistent or the displacement direction is misplaced, and the corresponding early warning notification message is sent to a corresponding monitoring platform.
Optionally, sending the corresponding early warning notification message to the corresponding monitoring platform includes: selecting a corresponding mode to send the corresponding early warning notification message to a corresponding monitoring platform according to the early warning grade and the data length of the corresponding early warning notification message by at least one of a 4G communication mode, a Beidou short message communication mode and a GPS real-time satellite communication mode, and comprising:
step S1, selecting a main communication mode from a 4G communication mode and a GPS real-time satellite communication mode according to the early warning grade of the corresponding early warning notification message and the 4G communication signal strength by using the following formula (1),
（1）
In the above-mentioned formula (1),A selection control value indicating a main communication mode; /(I)Representing the early warning grade value of the corresponding early warning notification message; /(I)Representing the maximum early warning grade value of the early warning notice; /(I)Representing the 4G communication signal strength value; /(I)Representing a maximum signal strength value in the 4G communication full signal state; /(I)Representing natural constants;
If it is The GPS real-time satellite communication mode is selected as the main communication mode;
If it is The method indicates that the 4G communication mode is selected as the main communication mode;
Step S2, when the GPS real-time satellite communication mode is selected as the main communication mode, the Beidou short message communication mode is used as the auxiliary communication mode, the following formula (2) is utilized to divide the corresponding early warning notification message data according to the maximum transmission quantity of the Beidou short message communication mode and the data length of the corresponding early warning notification message, so that the divided data are sent one by utilizing the Beidou short message communication mode,
（2）
In the above-mentioned formula (2),Representing the number of parts for dividing the corresponding early warning notification message data; /(I)A binary form representing corresponding warning notification message data; /(I)Representing the total number of bits of data for obtaining the binary number in brackets; representing the maximum transmission data total bit number of the Beidou short message; /(I) Representing an upward rounding;
Dividing corresponding early warning notification message data into The number of data bits is/>Is less than or equal to/>Then all the sub-data are sent one by one according to the segmentation sequence by using the Beidou short message communication mode;
Step S3, selecting the 4G communication mode as the main communication mode, controlling the sending times of the 4G module to the corresponding monitoring platform according to the signal state of the 4G communication mode by using the following formula (3),
（3）
In the above-mentioned formula (3),Representing the number of times of transmission to the corresponding monitoring platform through a 4G communication mode; representing the minimum number of transmissions by means of 4G communication; /(I) Indicating the maximum number of transmissions by the 4G communication scheme.
Compared with the prior art, the invention has the following beneficial effects:
The monitoring method for the pile casting process of the lava region provided by the application carries out cruising shooting and analysis on a target region of the lava region before pile casting construction to obtain the surface profile data of the target region, so as to construct an original surface morphology model of the target region, and carry out geological characterization on the target region from a surface layer; the stratum dynamic characteristic information is obtained based on the first stratum internal dynamic data of the target area in the piling pouring construction process, so that an original surface morphology characteristic model is corrected, potential subsidence subareas of the target area are determined, and the settlement risk distinction in the target area is realized; and based on the dynamic data in the second stratum of all the potential sedimentation subareas, stratum movement characteristic information is obtained, so that whether abnormal sedimentation conditions occur in the target area or not is judged, the sedimentation problems possibly induced by pile casting construction are accurately identified through the earth surface and the ground bottom, corresponding early warning notification is carried out, the monitoring workload is reduced, and the monitoring accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
Fig. 1 is a schematic flow chart of a method for monitoring pile casting process in lava areas according to the present invention.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, a method for monitoring pile casting in a lava region is provided in an embodiment of the present application. The monitoring method for the pile casting process in the lava region comprises the following steps:
Cruising shooting is carried out on a target area of a lava region before piling and pouring construction, so that a ground surface image of the target area is obtained; analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data;
acquiring first stratum internal dynamic data of the target area in the piling pouring construction process, and analyzing the first stratum internal dynamic data to obtain stratum dynamic characteristic information of the target area; correcting the original surface morphology model based on the stratum dynamic characteristic information, and determining a potential subsidence subarea of the target area;
Acquiring second stratum internal dynamic data of all potential sedimentation subareas, and analyzing the second stratum internal dynamic data to obtain stratum movement characteristic information of the potential sedimentation subareas; judging whether abnormal sedimentation occurs in the target area based on the stratum movement characteristic information;
based on the judgment result of the abnormal sedimentation condition, corresponding early warning notification is carried out.
The method for monitoring the pile casting process of the lava region has the beneficial effects that cruise shooting and analysis are carried out on the target region of the lava region before pile casting construction, so that the surface profile data of the target region is obtained, an original surface morphology model of the target region is constructed, and geological characterization is carried out on the target region from a surface layer; the stratum dynamic characteristic information is obtained based on the first stratum internal dynamic data of the target area in the piling pouring construction process, so that an original surface morphology characteristic model is corrected, potential subsidence subareas of the target area are determined, and the settlement risk distinction in the target area is realized; and based on the dynamic data in the second stratum of all the potential sedimentation subareas, stratum movement characteristic information is obtained, so that whether abnormal sedimentation conditions occur in the target area or not is judged, the sedimentation problems possibly induced by pile casting construction are accurately identified through the earth surface and the ground bottom, corresponding early warning notification is carried out, the monitoring workload is reduced, and the monitoring accuracy is improved.
In another embodiment, cruising shooting is performed on a target area of a lava region before pile casting construction, so as to obtain a surface image of the target area, and the method comprises the following steps:
Constructing a communication channel between an unmanned aerial vehicle and a plurality of ground base stations arranged on the boundary of a target area of a lava region, and limiting the cruising flight range of the unmanned aerial vehicle through the ground base stations so that the unmanned aerial vehicle can only cruise and fly in an upper empty area corresponding to the target area;
Based on the area of the target area and the shooting view field range of the unmanned aerial vehicle, determining a cruise flight path corresponding to cruise shooting of the target area by the unmanned aerial vehicle, so as to obtain a plurality of aerial earth surface sub-images related to the target area; and then based on the shooting sequence of all aerial earth surface sub-images, splicing all aerial earth surface sub-images to form an earth surface image of the global range of the target area.
The beneficial effect of the above-mentioned embodiment is that the range of the target area for building construction in lava areas is usually larger, in order to carry out continuous visual identification on the target area, the target area needs to be shot by means of an unmanned aerial vehicle in an air-to-ground mode, and meanwhile, in order to ensure that the unmanned aerial vehicle can accurately shoot the target area, a plurality of ground base stations are arranged along the boundary of the target area, and a communication channel between the unmanned aerial vehicle and all the ground base stations is constructed, so that all the ground base stations can limit the flight of the unmanned aerial vehicle, and the limitation of the cruising flight range in the cruising shooting process of the unmanned aerial vehicle on the target area is formed, so that the unmanned aerial vehicle is prevented from exceeding the corresponding range and cannot carry out accurate directional aerial shooting on the target area. Because the shooting view field range of the camera of the unmanned aerial vehicle is limited, the unmanned aerial vehicle cannot shoot the target area globally at one time, only a part of the range of the target area can be shot, and in order to obtain the global image of the target area, the cruising flight path corresponding to cruising shooting of the target area by the unmanned aerial vehicle is determined based on the area of the target area and the shooting view field range of the unmanned aerial vehicle, and when the unmanned aerial vehicle flies along the cruising flight path, different parts of the target area can be shot continuously, so that a plurality of aerial earth surface sub-images related to the target area are obtained; and then based on the shooting sequence of all aerial earth surface sub-images, all aerial earth surface sub-images are spliced to form earth surface images of the global range of the target area, so that shooting accuracy of the target area is ensured.
In another embodiment, analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data, including:
performing surface contour depth recognition processing on the surface image to obtain surface contour relief depth data of the target area; and performing simulation processing on the surface contour relief depth data to construct an original surface morphology model of the target area.
The method has the beneficial effects that the surface contour depth recognition processing is carried out on the surface image to obtain the surface contour relief depth data of the target area, the simulation processing is carried out on the surface contour relief depth data, and the original surface morphology model of the target area is constructed, so that the surface relief morphology of the target area is globally and accurately represented.
In another embodiment, obtaining the dynamic data of the first stratum in the pile pouring construction process of the target area, analyzing the dynamic data of the first stratum to obtain the stratum dynamic characteristic information of the target area, including:
Acquiring stratum internal vibration dynamic data of the target area in the pile casting construction process through distributed grating sensing equipment installed at different depth positions and different horizontal positions of the ground of the target area; wherein the dynamic data of the internal vibration of the stratum comprises data of the amplitude of the internal vibration of the stratum and data of the frequency of the internal vibration of the stratum;
and analyzing the vibration dynamic data in the stratum to obtain the transmission state information of the vibration waves of the stratum surface corresponding to different depth positions in the stratum bottom of the target area, and taking the transmission state information as the stratum dynamic characteristic information of the target area.
The method has the beneficial effects that the distributed grating sensing equipment is arranged at the ground bottom part of the target area at different depth positions and different horizontal positions, and the grating sensing equipment can monitor vibration of the position where the grating sensing equipment is located, so that the dynamic data of the vibration of the target area in the stratum in the pile pouring construction process are obtained, and the vibration of the ground bottom part of the target area caused by pile pouring can be continuously and accurately detected. And analyzing the vibration dynamic data in the stratum to obtain the transmission state information of the vibration waves of the stratum surface corresponding to the different depth positions in the ground of the target area, so that the existence state of the vibration waves in the global range of the ground of the target area is accurately identified, and a reliable basis is provided for the subsequent identification of potential sedimentation subareas in the vibration dynamic data.
In another embodiment, modifying the original earth morphology model based on the formation dynamic feature information to determine potential subsidence subareas of the target zone includes:
Determining all subareas of which the collected vibration wave energy exceeds a preset energy threshold value in the original surface morphology model based on the vibration wave transmission state information;
and acquiring the thickness of the subarea of the vibration wave energy exceeding the preset energy threshold value on the surface layer of the original surface morphology model, and determining the subarea of the vibration wave energy exceeding the preset energy threshold value as a potential sedimentation subarea if the thickness of the surface layer is smaller than the preset thickness threshold value.
The method has the beneficial effects that all subareas, which are collected in the original surface morphology model and have the vibration wave energy exceeding the preset energy threshold value, are determined based on the vibration wave transmission state information, so that the areas, which are seriously affected by the vibration wave, in the target area are distinguished and identified. And the thickness of the subarea of the vibration wave energy exceeding the preset energy threshold value on the surface layer of the original surface morphology model is also obtained, and the threshold value comparison is carried out on the surface layer thickness, so that the potential sedimentation subarea existing in the subarea is identified, and the corresponding subarea is conveniently and pertinently analyzed and identified in a deeper mode.
In another embodiment, obtaining second formation internal dynamic data of all potential sedimentation subareas, analyzing the second formation internal dynamic data to obtain formation movement characteristic information of the potential sedimentation subareas, including:
The method comprises the steps of obtaining stratum internal displacement dynamic data of a target area after pile casting construction is completed through distributed ultrasonic equipment installed at different depth positions and different horizontal positions of the ground of the target area, and extracting stratum internal displacement dynamic data corresponding to all potential sedimentation subareas based on the positions of all the potential sedimentation subareas in the target area;
analyzing the stratum internal displacement dynamic data corresponding to the potential sedimentation subarea to obtain movement characteristic information of all stratum subordinate to the potential sedimentation subarea; wherein the movement characteristic information includes displacement amount information and displacement direction information.
The method has the beneficial effects that the distributed ultrasonic equipment of the ground bottom part of the target area at different depth positions and different horizontal positions can monitor the movement of the stratum where the ultrasonic equipment is located, so that the stratum internal displacement dynamic data of the target area after pile casting construction is completed can be obtained, and the stratum internal displacement dynamic data can represent the mutual displacement conditions of different strata of the target area for quantitative analysis. And analyzing the dynamic data of the displacement in the stratum corresponding to the potential sedimentation subarea to obtain the movement characteristic information of all stratum subordinate to the potential sedimentation subarea, so that the sedimentation displacement of the potential sedimentation subarea can be comprehensively represented.
In another embodiment, determining whether abnormal settlement occurs in the target area based on the formation movement characteristic information includes:
judging whether displacement amount inconsistency or displacement direction dislocation exists in all strata subordinate to the potential sedimentation subarea based on displacement amount information and displacement direction information of all strata subordinate to the potential sedimentation subarea, and if so, judging that abnormal sedimentation occurs in the target area; if the abnormal sedimentation condition does not exist, judging that the abnormal sedimentation condition does not occur in the target area.
The method has the beneficial effects that based on the displacement amount information and the displacement direction information of all stratums under the potential sedimentation subarea, whether the displacement amount inconsistency or the displacement direction dislocation situation exists in all stratums under the potential sedimentation subarea is judged, when the displacement amount inconsistency or the displacement direction dislocation situation exists in all stratums under the potential sedimentation subarea, the situation that the high potential sedimentation subarea cannot generate integral sedimentation is indicated, the sedimentation action which occurs at present is uneven on the whole horizontal plane of the subarea, so that a building formed by piling and pouring is clear, the current abnormal sedimentation situation of the target area can be judged, and the follow-up early warning notification is convenient to carry out timely.
In another embodiment, based on the determination result of the abnormal sedimentation condition, a corresponding early warning notification is performed, including:
when abnormal settlement occurs in the target area, a corresponding early warning notification message is generated based on the position information of the potential settlement sub-area corresponding to the condition that the displacement is inconsistent or the displacement direction is misplaced, and the corresponding early warning notification message is sent to a corresponding monitoring platform.
The method and the device have the beneficial effects that when the abnormal settlement condition occurs in the target area, corresponding early warning notification messages are generated based on the position information of the potential settlement sub-areas corresponding to the conditions of inconsistent displacement or dislocation of the displacement directions, so that corresponding measures can be taken in time to treat the settlement condition.
In another embodiment, sending the respective early warning notification message to the respective monitoring platform comprises: selecting a corresponding mode to send the corresponding early warning notification message to a corresponding monitoring platform according to the early warning level and the data length of the corresponding early warning notification message by at least one of a 4G communication mode, a Beidou short message communication mode and a GPS real-time satellite communication mode, and comprising:
Step S1, selecting a main communication mode from a 4G communication mode and a GPS real-time satellite communication mode according to the early warning grade of the corresponding early warning notification message and the 4G communication signal intensity by using the following formula (1),
（1）
In the above-mentioned formula (1),A selection control value indicating a main communication mode; /(I)Representing the early warning grade value of the corresponding early warning notification message; /(I)Representing a maximum warning level value of the warning notification; /(I)Representing the 4G communication signal strength value; A maximum signal strength value representing the full signal state of the 4G communication; /(I) Representing natural constants;
If it is The GPS real-time satellite communication mode is selected as the main communication mode;
If it is The method indicates that the 4G communication mode is selected as the main communication mode;
Step S2, when the GPS real-time satellite communication mode is selected as the main communication mode, the Beidou short message communication mode is used as the auxiliary communication mode, the following formula (2) is utilized to divide the corresponding early warning notification message data according to the maximum transmission quantity of the Beidou short message communication mode and the data length of the corresponding early warning notification message, so that the divided data are sent one by utilizing the Beidou short message communication mode,
（2）
In the above-mentioned formula (2),Representing the number of parts for dividing the corresponding early warning notification message data; /(I)A binary form representing corresponding warning notification message data; /(I)Representing the total number of bits of data for obtaining the binary number in brackets; Representing the maximum transmission data total bit number of the Beidou short message; /(I) Representing an upward rounding;
Dividing corresponding early warning notification message data into The number of data bits is/>Is less than or equal to/>Then all the sub-data are sent one by one according to the segmentation sequence by using the Beidou short message communication mode;
Step S3, selecting the 4G communication mode as the main communication mode, controlling the sending times of the 4G module to the corresponding monitoring platform according to the signal state of the 4G communication mode by using the following formula (3),
（3）
In the above-mentioned formula (3),Representing the number of times of transmission to the corresponding monitoring platform through a 4G communication mode; representing the minimum number of transmissions by means of 4G communication; /(I) Indicating the maximum number of transmissions by the 4G communication scheme.
The beneficial effects of the embodiment are that by using the formula (1), a main communication mode is selected from a 4G communication mode and a GPS real-time satellite communication mode according to the early warning level and the 4G communication signal intensity of the corresponding early warning notification message, so that the reliability of communication is ensured by taking the GPS real-time satellite communication as the main communication mode when the early warning level is higher and the signal intensity of the 4G module is lower, and the resource is saved and the power consumption is reduced by taking the 4G module as the main communication mode when the early warning level is lower and the signal intensity of the 4G module is higher; then, by utilizing the formula (2), according to the maximum transmission amount of the Beidou short message communication mode and the data length of the corresponding early warning notification message, the corresponding early warning notification message data are segmented, so that the segmented data are sent one by utilizing the Beidou short message communication mode, and then the Beidou short message is used as backup for sending, and the important early warning notification message can be transmitted to a monitoring platform on time; and finally, controlling the sending times of the 4G module to the corresponding monitoring platform according to the signal state of the 4G communication mode by utilizing the formula (3), thereby ensuring the reliability of the system.
In general, the monitoring method for the pile casting process of the lava region carries out cruising shooting and analysis on a target region of the lava region before pile casting construction to obtain surface profile data of the target region, so as to construct an original surface morphology model of the target region, and carry out geological characterization on the target region from a surface layer; the stratum dynamic characteristic information is obtained based on the first stratum internal dynamic data of the target area in the piling pouring construction process, so that an original surface morphology characteristic model is corrected, potential subsidence subareas of the target area are determined, and the settlement risk distinction in the target area is realized; and based on the dynamic data in the second stratum of all the potential sedimentation subareas, stratum movement characteristic information is obtained, so that whether abnormal sedimentation conditions occur in the target area or not is judged, the sedimentation problems possibly induced by pile casting construction are accurately identified through the earth surface and the ground bottom, corresponding early warning notification is carried out, the monitoring workload is reduced, and the monitoring accuracy is improved.
The foregoing is merely one specific embodiment of the invention, and any modifications made in light of the above teachings are intended to fall within the scope of the invention.
Claims (7)
1. A method for monitoring a pile casting process in a lava region, comprising:
Cruising shooting is carried out on a target area of a lava region before piling and pouring construction, so that a ground surface image of the target area is obtained; analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data;
acquiring first stratum internal dynamic data of the target area in the piling pouring construction process, and analyzing the first stratum internal dynamic data to obtain stratum dynamic characteristic information of the target area; correcting the original surface morphology model based on the stratum dynamic characteristic information, and determining a potential sedimentation subarea of the target area;
Acquiring second stratum internal dynamic data of all potential sedimentation subareas, and analyzing the second stratum internal dynamic data to obtain stratum movement characteristic information of the potential sedimentation subareas; judging whether abnormal sedimentation occurs in the target area or not based on the stratum movement characteristic information;
Based on the judgment result of the abnormal sedimentation condition, carrying out corresponding early warning notification; acquiring first stratum internal dynamic data of the target area in the piling pouring construction process, analyzing the first stratum internal dynamic data to obtain stratum dynamic characteristic information of the target area, wherein the method comprises the following steps:
Acquiring stratum internal vibration dynamic data of the target area in the pile pouring construction process through distributed grating sensing equipment installed at different depth positions and different horizontal positions of the ground of the target area; wherein the dynamic data of the internal vibration of the stratum comprises data of the internal vibration amplitude of the stratum and data of the internal vibration frequency of the stratum;
and analyzing the vibration dynamic data in the stratum to obtain transmission state information of each vibration wave of stratum planes corresponding to different depth positions in the stratum bottom of the target area, and taking the transmission state information as stratum dynamic characteristic information of the target area.
2. A method of monitoring a pile casting process for a lava region according to claim 1, wherein:
cruising shooting is carried out on a target area of a lava region before piling pouring construction, so as to obtain a ground surface image of the target area, and the method comprises the following steps:
Constructing a communication channel between an unmanned aerial vehicle and a plurality of ground base stations arranged on the boundary of a target area of a lava region, and limiting the cruising flight range of the unmanned aerial vehicle through the ground base stations so that the unmanned aerial vehicle can only cruise and fly in an upper empty area corresponding to the target area;
Determining a cruise flight path corresponding to cruise shooting of the target area by the unmanned aerial vehicle based on the area of the target area and the shooting view field range of the unmanned aerial vehicle, so as to obtain a plurality of aerial shooting surface sub-images about the target area; and then based on the shooting sequence of all aerial earth surface sub-images, splicing all aerial earth surface sub-images to form an earth surface image of the global range of the target area.
3. A method of monitoring a pile casting process for a lava region according to claim 2, wherein:
analyzing the surface image to obtain surface profile data of the target area, and constructing an original surface morphology model of the target area based on the surface profile data, wherein the method comprises the following steps:
Performing surface contour depth recognition processing on the surface image to obtain surface contour relief depth data of the target area; and performing simulation processing on the surface contour relief depth data to construct an original surface morphology model of the target area.
4. A method of monitoring a pile casting process for a lava region according to claim 1, wherein:
Correcting the original surface morphology model based on the stratum dynamic characteristic information to determine a potential sedimentation sub-region of the target region, wherein the method comprises the following steps:
Determining all subareas of the vibration wave energy collected in the original surface morphology model exceeding a preset energy threshold based on the vibration wave transmission state information;
And acquiring the thickness of the subarea of the vibration wave energy exceeding the preset energy threshold value on the surface layer of the original surface morphology model, and determining the subarea of the vibration wave energy exceeding the preset energy threshold value as a potential sedimentation subarea if the thickness of the surface layer is smaller than the preset thickness threshold value.
5. A method of monitoring a pile casting process for a lava region according to claim 4, wherein:
acquiring second stratum internal dynamic data of all potential sedimentation subareas, analyzing the second stratum internal dynamic data to obtain stratum movement characteristic information of the potential sedimentation subareas, wherein the method comprises the following steps:
the method comprises the steps of obtaining stratum internal displacement dynamic data of a target area after pile casting construction is completed through distributed ultrasonic equipment installed at different depth positions and different horizontal positions of the ground of the target area, and extracting stratum internal displacement dynamic data corresponding to all potential sedimentation subareas based on the positions of all potential sedimentation subareas in the target area;
Analyzing the stratum internal displacement dynamic data corresponding to the potential sedimentation subarea to obtain movement characteristic information of all stratum subordinate to the potential sedimentation subarea; wherein the movement characteristic information includes displacement amount information and displacement direction information.
6. A method of monitoring a pile casting process for a lava region according to claim 5, wherein:
Based on the stratum movement characteristic information, judging whether abnormal settlement occurs in the target area or not, wherein the method comprises the following steps:
Judging whether displacement amount inconsistency or displacement direction dislocation exists in all strata subordinate to the potential sedimentation subarea or not based on displacement amount information and displacement direction information of all strata subordinate to the potential sedimentation subarea, and if so, judging that abnormal sedimentation occurs in the target area; and if the abnormal sedimentation condition does not exist, judging that the abnormal sedimentation condition does not occur in the target area.
7. A method of monitoring a pile casting process for a lava region according to claim 6, wherein:
based on the judgment result of the abnormal sedimentation condition, corresponding early warning notification is carried out, and the method comprises the following steps:
when abnormal settlement occurs in the target area, a corresponding early warning notification message is generated based on the position information of the potential settlement sub-area corresponding to the condition that the displacement is inconsistent or the displacement direction is misplaced, and the corresponding early warning notification message is sent to a corresponding monitoring platform.
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