CN116770675A - Digital model measuring method for highway asphalt paving construction - Google Patents
Digital model measuring method for highway asphalt paving construction Download PDFInfo
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- CN116770675A CN116770675A CN202310631613.4A CN202310631613A CN116770675A CN 116770675 A CN116770675 A CN 116770675A CN 202310631613 A CN202310631613 A CN 202310631613A CN 116770675 A CN116770675 A CN 116770675A
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- aerial vehicle
- unmanned aerial
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000010426 asphalt Substances 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 70
- 239000002344 surface layer Substances 0.000 claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 8
- 238000005457 optimization Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Abstract
The invention relates to a digital model measuring method for highway asphalt paving construction, which comprises the following steps: setting an initial ground point position of the unmanned aerial vehicle, and setting a laser range finder at the lower end of the unmanned aerial vehicle; and II: after the road bed is cleaned, before paving the cushion layer, recording a flight route and three-dimensional point positions of the unmanned aerial vehicle and distances between the unmanned aerial vehicle and the road bed through the flight of the unmanned aerial vehicle; thirdly,: after the cushion layer is paved, before the base layer is paved, the base layer is measured to the other side of the highway through unmanned aerial vehicle flight; fourth, the method comprises the following steps: after the basic layer is paved, before the surface layer is paved, the surface layer is measured to the other side of the highway through unmanned aerial vehicle flight; fifth step: after the pavement of the surface layer is completed, the pavement is measured to the other side of the highway through unmanned aerial vehicle flight; sixth,: and summarizing the coordinate information of the base layer, the cushion layer, the base layer and the surface layer. According to the invention, the unmanned aerial vehicle is utilized to continuously measure the paving flatness of each layer of the road surface of the whole road section, a digital model is formed, construction is assisted, and complete data support is provided for later-stage road surface health monitoring, operation and maintenance.
Description
Technical Field
The invention relates to the field of municipal engineering, in particular to a digital model measurement method for highway asphalt paving construction.
Background
The pavement of the expressway is mostly an asphalt pavement, the pavement is generally paved in four layers in the construction process, the existing measurement method for paving evenness is mostly manually measured through a total station and the like, so that limited measurement can only be carried out according to a method of selecting route midpoints every other distance, the real evenness of the pavement cannot be reflected, and after the paving is finished, the pavement still has uneven places, later repair is needed, and the cost and the waste of materials are increased; in addition, the efficiency of manual measurement is low, and the time cost is high; finally, although these measurements are also archived, the number of spots is insufficient and the maintenance of the asphalt pavement at a later stage of operation is not helpful.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a digital model measuring method for highway asphalt paving construction, and solves the problems of uneven road surface, high labor cost and long construction period in the later period.
In order to solve the technical problems, the invention is realized as follows:
a digital model measuring method for highway asphalt paving construction is characterized by comprising the following steps:
step one: setting an effective initial ground point position of the unmanned aerial vehicle, wherein the initial ground point position is an initial point position for subsequent repeated measurement, and setting a laser range finder capable of continuously measuring at the lower end of the unmanned aerial vehicle;
step two: after the road bed is cleaned up, before paving the cushion layer, the unmanned aerial vehicle is controlled to fly at a constant speed along the expressway boundary, and the flight route, the three-dimensional point position of the unmanned aerial vehicle and the distance between the unmanned aerial vehicle and the road bed are recorded;
step three: after the cushion layer is paved, before the basic layer is paved, the unmanned plane is controlled to measure the other side of the highway according to the recorded flight track by a reciprocating flight method;
step four: after the base layer is paved, before the surface layer is paved, measuring the other side of the highway by controlling the unmanned aerial vehicle according to the recorded flight track and by a reciprocating flight method;
step five: after finishing paving the surface layer, measuring the surface layer to the other side of the highway by controlling the unmanned aerial vehicle according to the recorded flight track and by a reciprocating flight method;
step six: and summarizing the coordinate information of the base layer, the cushion layer, the base layer and the surface layer to form a digital model of the whole expressway pavement, archiving the digital model, and taking the digital model as initial data of pavement health monitoring or comparing the digital model at any time during later operation and maintenance.
The digital model measurement method for the highway asphalt paving construction is characterized by comprising the following steps of: in the second step, the road surface flatness can be measured according to the recorded flight track and a certain translation distance along the width direction of the road, wherein the translation distance is selected according to 1/2 of the width of the road traffic lane; processing the data, subtracting the corresponding instantaneous relative height from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the base layer can be obtained, the transverse dotted lines are connected linearly, the coordinate plane of the roadbed can be obtained, the flatness of the roadbed can be checked more intuitively through the coordinate plane, or the flatness condition of the roadbed can be judged through the coordinate abrupt change condition in the direction perpendicular to the road surface.
The digital model measurement method for the highway asphalt paving construction is characterized by comprising the following steps of: step three, processing data, namely subtracting corresponding instantaneous relative heights from the height point positions of three-dimensional relative coordinate points of the unmanned aerial vehicle to obtain continuous coordinate point connecting lines of the cushion layer, selecting graded broken stone and the like for the cushion layer, performing calculation optimization processing on the vertical coordinate points of the cushion layer, ensuring the most points to pass through by the finally optimized straight line, checking the discrete condition of the original point positions, and checking the site when the point positions with larger discrete values appear; connecting the transverse dotted lines; the paving thickness of the cushion layer can be obtained by subtracting the height point of the coordinate point of the roadbed from the height point of the coordinate point of the cushion layer.
The digital model measurement method for the highway asphalt paving construction is characterized by comprising the following steps of: processing the data, subtracting the corresponding instantaneous relative height from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, so as to obtain continuous coordinate point connection lines of the base layer, connecting the transverse point lines linearly, so as to obtain a coordinate plane of the base layer, checking the flatness of the base layer through the coordinate plane more intuitively, and judging the flatness of the base layer through the coordinate abrupt change condition of the direction perpendicular to the road surface; the paving thickness condition of the base layer can be obtained by subtracting the height point of the coordinate point of the cushion layer from the height point of the coordinate point of the surface layer.
The digital model measurement method for the highway asphalt paving construction is characterized by comprising the following steps of: in the fifth step, the data are processed, the corresponding instantaneous relative height is subtracted from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, continuous coordinate point connection lines of the surface layer can be obtained, the transverse point lines are connected linearly, the coordinate plane of the surface layer can be obtained, the flatness of the surface layer can be checked more intuitively through the coordinate plane, and the flatness condition of the surface layer can be judged through the coordinate abrupt change condition in the direction perpendicular to the road surface; the paving thickness condition of the surface layer can be obtained by subtracting the height point position of the coordinate point of the base layer from the height point position of the coordinate point of the surface layer.
The beneficial effects of the invention are as follows: the unmanned plane measurement is adopted to replace manual measurement, so that the labor cost and the construction period cost are saved; more and consecutive points can be recorded; digitizing, modeling and visualizing the asphalt paving construction condition of the pavement; the digital model is formed to archive, can be used as initial data of road surface health monitoring, and can be compared and taken at any time during later operation and maintenance.
Detailed Description
A digital model measuring method for highway asphalt paving construction is characterized by comprising the following steps:
step one: an effective unmanned aerial vehicle initial ground point position (the point position suggests to select a point which can be reserved for a long time so as to facilitate the comparison of later operation and maintenance) is set, the point position is an initial point position for the subsequent repeated measurement, and a laser range finder capable of continuously measuring is arranged at the lower end of the unmanned aerial vehicle.
Step two: after the road bed is cleaned up, before paving the cushion layer, carrying out uniform speed flight by controlling the unmanned aerial vehicle to extend the boundary of the expressway (the inner side which is about 10cm away from the boundary of the expressway in general), and recording the flight route, the three-dimensional point position of the unmanned aerial vehicle and the distance between the unmanned aerial vehicle and the road bed; then, according to the recorded flight tracks, the road width direction is translated for a certain distance, and the translation distance is generally selected according to 1/2 of the width of the road lane, namely, one lane meets the minimum measurement of 3 flight tracks (two sides and middle positions respectively), if the road flatness measurement accuracy is required to be high, the measurement quantity can be increased. The data are processed, namely, the corresponding instantaneous relative height is subtracted from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the base layer can be obtained, the transverse (road width direction) point lines are connected linearly, the coordinate plane of the road bed can be obtained, the flatness of the road bed can be checked through the relatively visual coordinate plane, and the flatness condition of the road bed can be judged through the coordinate abrupt change condition in the direction perpendicular to the road surface.
Step three: after the paving of the cushion layer is completed, before the paving of the base layer, the unmanned plane is controlled to select a translation distance from one side of the highway according to the recorded flight track and 1/2 of the width of the roadway, and the distance is measured to the other side of the highway by a reciprocating flight method. Processing data, namely subtracting corresponding instantaneous relative heights from the height point positions of three-dimensional relative coordinate points of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the cushion layer can be obtained, if the cushion layer is selected from graded broken stone and the like, calculation optimization processing can be performed on the vertical (vertical to the road surface) coordinate points of the cushion layer, finally, the optimized straight line ensures to pass through the most points, discrete conditions of the original point positions are checked, and when the point positions with larger discrete values appear, the site needs to be checked; connecting the lateral (road width direction) dotted lines; the paving thickness of the cushion layer can be obtained by subtracting the height point of the coordinate point of the roadbed from the height point of the coordinate point of the cushion layer.
Step four: after the base layer is paved, before the surface layer is paved, the unmanned aerial vehicle is controlled to select a translation distance from one side of the highway according to the recorded flight track and 1/2 of the width of the roadway, and the distance from the other side of the highway is measured by a reciprocating flight method. Processing data, namely subtracting corresponding instantaneous relative heights from height points of three-dimensional relative coordinate points of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the base layer can be obtained, and connecting transverse (road width direction) point lines linearly, so that a coordinate plane of the base layer can be obtained, the flatness of the base layer can be checked more intuitively through the coordinate plane, and the flatness condition of the base layer can be judged through the coordinate abrupt change condition in the direction perpendicular to a road surface; the paving thickness condition of the base layer can be obtained by subtracting the height point of the coordinate point of the cushion layer from the height point of the coordinate point of the surface layer.
Step five: after the surface layer is paved, the unmanned aerial vehicle is controlled to select a translation distance from one side of the highway according to the recorded flight track and 1/2 of the width of the traffic lane of the highway, and the distance from the other side of the highway is measured by a reciprocating flight method. Processing data, namely subtracting corresponding instantaneous relative heights from height points of three-dimensional relative coordinate points of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the surface layer can be obtained, and connecting transverse (road width direction) point lines to obtain a coordinate plane of the surface layer, wherein the flatness of the surface layer can be checked more intuitively through the coordinate plane, and the flatness condition of the surface layer can be judged through the coordinate abrupt change condition of the direction perpendicular to the road surface; the paving thickness condition of the surface layer can be obtained by subtracting the height point position of the coordinate point of the base layer from the height point position of the coordinate point of the surface layer.
Step six: the coordinate information of the base layer, the cushion layer, the base layer and the surface layer are summarized to form a digital model archive of the whole expressway road surface, and the digital model archive can be used as initial data for road surface health monitoring and can be compared and taken at any time during later operation and maintenance.
According to the invention, the unmanned aerial vehicle is utilized to continuously measure the asphalt paving thickness of the whole road section, so that a large amount of continuous three-dimensional point location data can be accumulated, a digital model is formed, construction is assisted, and complete data support is provided for later-stage road health monitoring, operation and maintenance; and the labor cost and the time cost are saved, and a visualized digital model can be formed by effectively processing the data, so that the method is greatly helpful for both the construction stage and the operation stage.
Claims (5)
1. A digital model measuring method for highway asphalt paving construction is characterized by comprising the following steps:
step one: setting an effective initial ground point position of the unmanned aerial vehicle, wherein the initial ground point position is an initial point position for subsequent repeated measurement, and setting a laser range finder capable of continuously measuring at the lower end of the unmanned aerial vehicle;
step two: after the road bed is cleaned up, before paving the cushion layer, the unmanned aerial vehicle is controlled to fly at a constant speed along the expressway boundary, and the flight route, the three-dimensional point position of the unmanned aerial vehicle and the distance between the unmanned aerial vehicle and the road bed are recorded;
step three: after the cushion layer is paved, before the basic layer is paved, the unmanned plane is controlled to measure the other side of the highway according to the recorded flight track by a reciprocating flight method;
step four: after the base layer is paved, before the surface layer is paved, measuring the other side of the highway by controlling the unmanned aerial vehicle according to the recorded flight track and by a reciprocating flight method;
step five: after finishing paving the surface layer, measuring the surface layer to the other side of the highway by controlling the unmanned aerial vehicle according to the recorded flight track and by a reciprocating flight method;
step six: and summarizing the coordinate information of the base layer, the cushion layer, the base layer and the surface layer to form a digital model of the whole expressway pavement, archiving the digital model, and taking the digital model as initial data of pavement health monitoring or comparing the digital model at any time during later operation and maintenance.
2. The method for measuring the digital model of the asphalt paving construction of the expressway according to claim 1, which is characterized by comprising the following steps: in the second step, the road surface flatness can be measured according to the recorded flight track and a certain translation distance along the width direction of the road, wherein the translation distance is selected according to 1/2 of the width of the road traffic lane; processing the data, subtracting the corresponding instantaneous relative height from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, so that continuous coordinate point connection lines of the base layer can be obtained, the transverse dotted lines are connected linearly, the coordinate plane of the roadbed can be obtained, the flatness of the roadbed can be checked more intuitively through the coordinate plane, or the flatness condition of the roadbed can be judged through the coordinate abrupt change condition in the direction perpendicular to the road surface.
3. The method for measuring the digital model of the asphalt paving construction of the expressway according to claim 1, which is characterized by comprising the following steps: step three, processing data, namely subtracting corresponding instantaneous relative heights from the height point positions of three-dimensional relative coordinate points of the unmanned aerial vehicle to obtain continuous coordinate point connecting lines of the cushion layer, selecting graded broken stone and the like for the cushion layer, performing calculation optimization processing on the vertical coordinate points of the cushion layer, ensuring the most points to pass through by the finally optimized straight line, checking the discrete condition of the original point positions, and checking the site when the point positions with larger discrete values appear; connecting the transverse dotted lines; the paving thickness of the cushion layer can be obtained by subtracting the height point of the coordinate point of the roadbed from the height point of the coordinate point of the cushion layer.
4. The method for measuring the digital model of the asphalt paving construction of the expressway according to claim 1, which is characterized by comprising the following steps: processing the data, subtracting the corresponding instantaneous relative height from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, so as to obtain continuous coordinate point connection lines of the base layer, connecting the transverse point lines linearly, so as to obtain a coordinate plane of the base layer, checking the flatness of the base layer through the coordinate plane more intuitively, and judging the flatness of the base layer through the coordinate abrupt change condition of the direction perpendicular to the road surface; the paving thickness condition of the base layer can be obtained by subtracting the height point of the coordinate point of the cushion layer from the height point of the coordinate point of the surface layer.
5. The method for measuring the digital model of the asphalt paving construction of the expressway according to claim 1, which is characterized by comprising the following steps: in the fifth step, the data are processed, the corresponding instantaneous relative height is subtracted from the height point position of the three-dimensional relative coordinate point of the unmanned aerial vehicle, continuous coordinate point connection lines of the surface layer can be obtained, the transverse point lines are connected linearly, the coordinate plane of the surface layer can be obtained, the flatness of the surface layer can be checked more intuitively through the coordinate plane, and the flatness condition of the surface layer can be judged through the coordinate abrupt change condition in the direction perpendicular to the road surface; the paving thickness condition of the surface layer can be obtained by subtracting the height point position of the coordinate point of the base layer from the height point position of the coordinate point of the surface layer.
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