CN111767595A - Optimized calculation method for earthwork amount and milling amount of reconstructed or expanded road - Google Patents
Optimized calculation method for earthwork amount and milling amount of reconstructed or expanded road Download PDFInfo
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Abstract
The invention discloses an optimization calculation method for reconstructing or expanding road earthwork and milling amount, which comprises the steps of establishing an original topographic curved surface of a road, and counting construction ranges of all road sections and road design parameters; modeling a road according to the original terrain curve; generating an initial roadbed cross section diagram, replacing elevation data of corresponding positions on an original terrain curved surface with elevation data after road construction, and generating a terrain curved surface and a roadbed cross section diagram after construction; generating a roadbed cross section comparison diagram according to the same pile number, and determining the pile spacing and earth volume calculation boundary; calculating the cross section area of the earthwork of the roadbed before and after construction and the milling area, and calculating the excavation and filling amount and the milling engineering amount according to the cross sections of two adjacent roadbeds; and calculating the earth volume of the road according to the surface clearing thickness, and calculating the road excavation volume to obtain the earth volume and the milling volume. The method improves the calculation accuracy and scientificity of the earth volume and the milling quantity, reduces the calculation workload, improves the calculation operation efficiency and provides a reliable basis for engineering settlement.
Description
Technical Field
The invention relates to the technical field of road engineering, in particular to an optimization calculation method for reconstructing or extending road earthwork and milling amount.
Background
China has a large road mileage base, the road mileage rises year by year at a speed of tens of thousands of kilometers every year, and the service life of the road is basically 10-15 years. Many existing roads in China need to be rebuilt after reaching the maximum service life, or need to be rebuilt and repaired in a large scale after being repaired for a long time, or can not meet the development requirement, and a large number of roads need to be rebuilt and expanded urgently. The road earthwork has important influence on road reconstruction, expansion and the like, and most of the traditional earthwork calculation adopts an estimation mode, so that larger deviation exists. Therefore, the reasonable and accurate road earthwork calculation method is particularly important for road earthwork reconstruction and extension calculation.
Disclosure of Invention
The invention aims to solve the technical problem of providing an optimized calculation method for the earthwork amount and the milling amount of a reconstructed or expanded road, overcoming the defects of the traditional earthwork amount calculation, improving the accuracy and the scientificity of the calculation of the earthwork amount and the milling amount, reducing the calculation workload, improving the calculation operation efficiency and providing a reliable basis for engineering settlement.
In order to solve the technical problem, the method for optimally calculating the earthwork and the milling amount of the reconstructed or expanded road comprises the following steps:
collecting and arranging road site terrain data and reconstructing and expanding road construction files, and establishing an original terrain curved surface of a road;
secondly, surveying the road on site, and counting the construction range of each road section of the road and the road plane, longitudinal section and cross section slope-releasing design parameters;
thirdly, modeling the reconstructed and expanded road on the basis of the original terrain curved surface according to the reconstructed and expanded road construction file and the road site survey data;
step four, generating a roadbed cross section diagram of the initial reconstruction and extension road according to the reconstruction and extension road model;
fifthly, construction is carried out according to the reconstructed and expanded road construction file, the elevation data of the corresponding position on the original terrain curved surface is replaced by the elevation data after construction, the elevation data of the original terrain curved surface which is not constructed or is not in the construction related range is not replaced, and the replaced elevation data is identified to generate the constructed terrain curved surface;
replacing the original terrain curved surface with a constructed terrain curved surface in the reconstructed road model, and generating a constructed roadbed cross sectional diagram;
step seven, generating a roadbed cross section comparison diagram according to the same pile number according to the roadbed cross section diagram of the initially reconstructed and expanded road and the constructed roadbed cross section diagram, wherein the roadbed cross section comprises an initial terrain ground line and a constructed terrain ground line;
step eight, determining the pile spacing of the roadbed cross section comparison diagram according to the reconstructed and expanded road longitudinal section design diagram, wherein the pile spacing of a straight road section is increased, and the pile spacing of a concave and convex curve road section is decreased;
step nine, setting a calculation boundary taking the top of a road slope to the toe of the road as the earth volume, taking the designed elevation and above as the road excavation volume, and taking the height below the designed elevation as the road filling volume;
step ten, calculating the roadbed earthwork cross section areas of the original terrain curve lines and the constructed terrain curve lines in all the roadbed cross section comparison diagrams;
step eleven, according to the reconstructed and expanded road design, calculating the milling area of the existing road according to the thickness of the existing road milled on different road sections in the step eleven;
step twelve, according to the filling and digging areas of the cross sections of the two adjacent roadbeds, the amount of the soil to be dug and filled is calculated according to the formula (1),
Vdigging and filling＝∫∫f(x、y)dxdy×∫f(x、y、r)dx (1)
In the formula: vDigging and fillingThe volume of earth excavated and filled, the integral multiple f (x, y) dx dy is the excavation and filling area of the cross section of the roadbed, the integral multiple f (x, y, r) dx is the distance or the difference of pile numbers of the cross sections of two adjacent roadbeds, x is the value of an x axis in a coordinate system, y is the value of a y axis in the coordinate system, and r is the curve radius or the curvature radius of a turning road section;
step thirteen, calculating the milling engineering quantity of the existing road according to the number of the starting pile and the stopping pile for milling the existing road according to the step twelve;
fourthly, determining the surface clearing thickness in the reconstructed and expanded road design range, and calculating the surface clearing earthwork of the road;
and step fifteen, the surface clearing earth volume is counted into the road excavation volume to obtain the excavation and fill volume of the reconstructed road and the milling and planing project volume of the existing road.
Further, in the eighth step, the pile spacing of the straight road section is increased by no more than 20 meters.
The optimized calculation method for the earthwork amount and the milling amount of the reconstructed or expanded road adopts the technical scheme, namely the method establishes the original topographic curved surface of the road, and calculates the construction range of each road section and the design parameters of the road plane, the longitudinal section and the cross section slope through road survey; modeling a reconstruction and extension road according to the original terrain curved surface; generating an initial roadbed cross section diagram, replacing elevation data of corresponding positions on an original terrain curved surface with elevation data after road construction, and generating a terrain curved surface and a roadbed cross section diagram after construction; according to the initial roadbed cross section diagram and the constructed roadbed cross section diagram, generating a roadbed cross section comparison diagram according to the same pile number, determining the pile spacing of the roadbed cross section comparison diagram by using the road longitudinal section, determining an earth volume calculation boundary, and taking the design elevation and above as an excavation volume and below as a fill volume; calculating the cross section area of the earthwork of the roadbed before and after construction and the milling area of the existing road, and calculating the excavation and filling amount of the earthwork and the milling engineering amount according to the cross sections of two adjacent roadbeds; and calculating the road surface clearing earthwork amount according to the surface clearing thickness, and counting the surface clearing earthwork amount into the road excavation amount to obtain the excavation and fill amount of the reconstructed road and the milling and planing engineering amount of the existing road. The method overcomes the defects of the traditional earth volume calculation, improves the accuracy and the scientificity of the earth volume and milling volume calculation, reduces the calculation workload, improves the calculation operation efficiency, and provides a reliable basis for engineering settlement.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a block diagram of the flow of the method for optimizing and calculating the earthwork and milling amount of a reconstructed or expanded road according to the present invention.
Detailed Description
Embodiment as shown in fig. 1, the method for optimizing and calculating the earthwork and the milling amount of the reconstructed or expanded road of the present invention includes the following steps:
collecting and arranging road site terrain data and reconstructing and expanding road construction files, and establishing an original terrain curved surface of a road;
secondly, surveying the road on site, and counting the construction range of each road section of the road and the road plane, longitudinal section and cross section slope-releasing design parameters;
thirdly, modeling the reconstructed and expanded road on the basis of the original terrain curved surface according to the reconstructed and expanded road construction file and the road site survey data;
step four, generating a roadbed cross section diagram of the initial reconstruction and extension road according to the reconstruction and extension road model;
fifthly, construction is carried out according to the reconstructed and expanded road construction file, the elevation data of the corresponding position on the original terrain curved surface is replaced by the elevation data after construction, the elevation data of the original terrain curved surface which is not constructed or is not in the construction related range is not replaced, and the replaced elevation data is identified to generate the constructed terrain curved surface;
replacing the original terrain curved surface with a constructed terrain curved surface in the reconstructed road model, and generating a constructed roadbed cross sectional diagram;
step seven, generating a roadbed cross section comparison diagram according to the same pile number according to the roadbed cross section diagram of the initially reconstructed and expanded road and the constructed roadbed cross section diagram, wherein the roadbed cross section comprises an initial terrain ground line and a constructed terrain ground line;
step eight, determining the pile spacing of the roadbed cross section comparison diagram according to the reconstructed and expanded road longitudinal section design diagram, wherein the pile spacing of a straight road section is increased, and the pile spacing of a concave and convex curve road section is decreased;
step nine, setting a calculation boundary taking the top of a road slope to the toe of the road as the earth volume, taking the designed elevation and above as the road excavation volume, and taking the height below the designed elevation as the road filling volume;
step ten, calculating the roadbed earthwork cross section areas of the original terrain curve lines and the constructed terrain curve lines in all the roadbed cross section comparison diagrams;
step eleven, according to the reconstructed and expanded road design, calculating the milling area of the existing road according to the thickness of the existing road milled on different road sections in the step eleven; the milling area is compared with the width of the road surface in the figure according to the cross section of the roadbed, and the width of the road surface multiplied by the milling thickness is equal to the milling area;
step twelve, according to the filling and digging areas of the cross sections of the two adjacent roadbeds, the amount of the soil to be dug and filled is calculated according to the formula (1),
Vdigging and filling＝∫∫f(x、y)dxdy×∫f(x、y、r)dx (1)
In the formula: vDigging and fillingThe volume of earth excavated and filled, the integral multiple f (x, y) dx dy is the excavation and filling area of the cross section of the roadbed, the integral multiple f (x, y, r) dx is the distance or the difference of pile numbers of the cross sections of two adjacent roadbeds, x is the value of an x axis in a coordinate system, y is the value of a y axis in the coordinate system, and r is the curve radius or the curvature radius of a turning road section;
step thirteen, calculating the milling engineering quantity of the existing road according to the number of the starting pile and the stopping pile for milling the existing road according to the step twelve; the milling engineering quantity can be calculated by milling area multiplied by the distance ([ integral ] f (x, y, r) dx) between the cross sections of two adjacent roadbeds;
fourthly, determining the surface clearing thickness in the reconstructed and expanded road design range, and calculating the surface clearing earthwork of the road;
and step fifteen, the surface clearing earth volume is counted into the road excavation volume to obtain the excavation and fill volume of the reconstructed road and the milling and planing project volume of the existing road.
Preferably, in the step eight, the pile spacing of the straight road section is increased by no more than 20 meters.
According to the actual construction range of the road and the reconstruction and extension design construction drawing of the road, the method completes the modeling of a road model on the curved surface of the original terrain and generates the cross section design drawing of the roadbed of the original road; surveying the constructed area to obtain topographic data after construction; replacing constructed elevation data in the original terrain curved surface in a designed road model to generate a constructed terrain curved surface, and replacing the original terrain curved surface to generate a constructed roadbed cross sectional diagram; generating a roadbed cross section comparison diagram according to the same pile number, and calculating the earthwork cross section area and the milling area of the existing road according to the earthwork calculation range; and calculating the earthwork amount of the reconstructed and expanded road and the milling engineering amount of the existing road according to the mode of multiplying the cross section area by the pile spacing.
Compared with the traditional earthwork calculation method, the method improves the accuracy and scientificity of the earthwork calculation, and provides a new calculation mode for the earthwork calculation of the reconstruction and extension projects; the method properly increases the density of the roadbed cross sectional diagrams of the concave and convex road sections and reduces the density of the roadbed cross sectional diagrams of the straight road sections so as to improve the efficiency and the accuracy of earth volume calculation and reduce the calculation workload; by determining the calculation boundary of the earth volume and the definition of the earth volume digging and filling, a basis is provided for the calculation of the earth volume of the reconstruction and extension road; the road model for reconstruction and extension is applied to comprehensively consider the relationship between the current situation and the road for reconstruction and extension, so that the reasonability and the scientificity of the calculation of the earthwork amount of the road for reconstruction and extension are improved; and meanwhile, according to the designed milling thickness and the numbers of the start-up piles and the stop piles, the road milling engineering quantity is calculated by utilizing the roadbed cross section comparison diagram, so that reference is provided for road earthwork processing and road reconstruction and extension construction.
Claims (2)
1. An optimized calculation method for reconstructing or extending road earthwork and milling amount is characterized by comprising the following steps:
collecting and arranging road site terrain data and reconstructing and expanding road construction files, and establishing an original terrain curved surface of a road;
secondly, surveying the road on site, and counting the construction range of each road section of the road and the road plane, longitudinal section and cross section slope-releasing design parameters;
thirdly, modeling the reconstructed and expanded road on the basis of the original terrain curved surface according to the reconstructed and expanded road construction file and the road site survey data;
step four, generating a roadbed cross section diagram of the initial reconstruction and extension road according to the reconstruction and extension road model;
fifthly, construction is carried out according to the reconstructed and expanded road construction file, the elevation data of the corresponding position on the original terrain curved surface is replaced by the elevation data after construction, the elevation data of the original terrain curved surface which is not constructed or is not in the construction related range is not replaced, and the replaced elevation data is identified to generate the constructed terrain curved surface;
replacing the original terrain curved surface with a constructed terrain curved surface in the reconstructed road model, and generating a constructed roadbed cross sectional diagram;
step seven, generating a roadbed cross section comparison diagram according to the same pile number according to the roadbed cross section diagram of the initially reconstructed and expanded road and the constructed roadbed cross section diagram, wherein the roadbed cross section comprises an initial terrain ground line and a constructed terrain ground line;
step eight, determining the pile spacing of the roadbed cross section comparison diagram according to the reconstructed and expanded road longitudinal section design diagram, wherein the pile spacing of a straight road section is increased, and the pile spacing of a concave and convex curve road section is decreased;
step nine, setting a calculation boundary taking the top of a road slope to the toe of the road as the earth volume, taking the designed elevation and above as the road excavation volume, and taking the height below the designed elevation as the road filling volume;
step ten, calculating the roadbed earthwork cross section areas of the original terrain curve lines and the constructed terrain curve lines in all the roadbed cross section comparison diagrams;
step eleven, according to the reconstructed and expanded road design, calculating the milling area of the existing road according to the thickness of the existing road milled on different road sections in the step eleven;
step twelve, according to the filling and digging areas of the cross sections of the two adjacent roadbeds, the amount of the soil to be dug and filled is calculated according to the formula (1),
Vdigging and filling＝∫∫f(x、y)dxdy×∫f(x、y、r)dx (1)
In the formula: vDigging and fillingThe amount of earth excavated and filled, the integral multiple f (x, y) dx dy is the excavation and filling area of the cross section of the roadbed, and the integral multiple f (x, y, r) dx is the distance or the difference of pile numbers of the cross sections of two adjacent roadbedsX is the value of the x axis in the coordinate system; y is the value of the y axis in the coordinate system; r is the curve radius or curvature radius of the turning road section;
step thirteen, calculating the milling engineering quantity of the existing road according to the number of the starting pile and the stopping pile for milling the existing road according to the step twelve;
fourthly, determining the surface clearing thickness in the reconstructed and expanded road design range, and calculating the surface clearing earthwork of the road;
and step fifteen, the surface clearing earth volume is counted into the road excavation volume to obtain the excavation and fill volume of the reconstructed road and the milling and planing project volume of the existing road.
2. The method for the optimized calculation of the volume of earth and milling of a rebuilt or expanded road according to claim 1, characterized in that: in the step eight, the pile spacing of the straight road section is increased by not more than 20 meters.
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Cited By (4)
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| CN112560141A (en) * | 2020-12-11 | 2021-03-26 | 中建八局第二建设有限公司 | Method and system for calculating volume of finished earth and stones on highway subgrade |
| CN112765707A (en) * | 2021-01-04 | 2021-05-07 | 浙江交工集团股份有限公司 | Method and system for calculating square amount of roadbed earth and stone |
| CN115787380A (en) * | 2022-12-07 | 2023-03-14 | 中国十七冶集团有限公司 | Municipal road earthwork balance system based on BIM |
| CN112765707B (en) * | 2021-01-04 | 2024-04-26 | 浙江交工集团股份有限公司 | Calculation method and system for road foundation earth and stone square quantity |
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Cited By (4)
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