CN111676746B - Municipal road construction method - Google Patents
Municipal road construction method Download PDFInfo
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- CN111676746B CN111676746B CN202010753610.4A CN202010753610A CN111676746B CN 111676746 B CN111676746 B CN 111676746B CN 202010753610 A CN202010753610 A CN 202010753610A CN 111676746 B CN111676746 B CN 111676746B
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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
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
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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
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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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
- E01C3/00—Foundations for pavings
- E01C3/02—Concrete base for bituminous paving
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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
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
Abstract
The invention relates to a municipal road construction method, which comprises the following steps: detecting the surrounding environment by using a construction detector to determine subsequent actual construction parameters; digging a groove at the edge of the roadbed; carrying out layered excavation on a pavement to be constructed; backfilling a closed asphalt layer with a specified thickness; coating the hot-melt asphalt layer by using a coating device; paving gravel, pouring and curing concrete to form a concrete layer; and paving an asphalt layer to finish the construction of the road. According to the method, the construction detector is used for surveying the on-site environment, the temperature t, the humidity s, the rainfall P and the humidity M in the environment of the construction site are detected in sequence, the correction parameter alpha is obtained by calculation through the parameters so as to correct the preset strength C of the road, the subsequent construction process parameters can be ensured to be suitable for specific environments, the influence of environmental factors on the road can be effectively eliminated, the influence of the environment and traffic flow can be stabilized after the road is constructed, and the construction efficiency of the method is improved.
Description
Technical Field
The invention relates to the field of building methods, in particular to a municipal road construction method.
Background
The town road is a road which is distinguished from a highway, the town road needs to consider the arrangement of city pipelines, city green belts, bicycle lanes and the like, and the highway considers the traffic volume and the traffic intensity. Therefore, the municipal roads are more complex than the highways, and the municipal roads are usually arranged in cities, so that the construction process needs to be completed as soon as possible, and urban traffic jam is avoided.
However, in the prior art, the construction process of the municipal road construction is determined only according to the size of the road to be constructed, and environmental factors of the geographical position of the construction area are ignored, so that the constructed road surface is influenced by the environment, the strength of the road surface cannot meet the expected requirement, cracks occur between the road and the surrounding environment, the municipal road is damaged when the surrounding environment is damaged, the traffic safety of the road surface is at risk, and the construction efficiency is low.
Disclosure of Invention
Therefore, the invention provides a municipal road construction method which is used for solving the problem of low construction efficiency caused by the fact that the construction process cannot be adjusted in a targeted manner according to the real-time environment of a construction area in the prior art.
In order to achieve the purpose, the invention provides a municipal road construction method, which comprises the following steps:
step 1: an observer uses a construction detector to detect environmental parameters around a construction road, and the construction detector determines actual construction parameters in the subsequent steps according to the detection result;
step 2: after the actual construction parameters are determined, digging grooves at the edge of the roadbed so as to drain water at the later construction stage;
and step 3: carrying out layered excavation on a pavement to be constructed and gradually adopting a wire netting to protect the inner wall of earthwork in the excavation process;
and 4, step 4: backfilling earthwork, backfilling a closed asphalt layer with a specified thickness, gradually removing the wire netting in the filling process, closing the edge of the closed asphalt layer after the backfilling of the closed asphalt layer is finished, controlling a road roller to compact the closed asphalt layer at a specified moving speed, and cleaning the road surface by using an air suction device after the compaction;
and 5: adjusting the angle of a spray head of coating equipment, coating a hot-melt asphalt layer on the upper surface of the closed asphalt layer at a specified moving speed by using the coating equipment after the adjustment is finished, and manually coating when the coating equipment has a stripe phenomenon in the coating process;
step 6: selecting gravels with a specified size to be laid on the hot-melt asphalt layer, pouring concrete to form a concrete layer, and after pouring is finished, covering the concrete layer with plastic cloth to maintain the concrete layer;
and 7: after the concrete layer is cured, the plastic cloth is removed, the asphalt layers are paved on the upper surface of the concrete layer by layer, and gathering lines are paved among the asphalt layers to complete the construction of the road.
Further, the construction detector searches the geographical position of construction through the cloud database, obtains the average environment parameters of the construction area in the construction period according to the search information aiming at the geographical position, and establishes an average construction environment matrix E0 and a construction road matrix S0 after the search is finished; for the average construction environment matrix E0, E0(t, s, P, M), where t is the average temperature of the construction environment during the construction period, s is the average humidity of the construction environment during the construction period, P is the average rainfall of the construction environment during the construction period, and M is the average soil compactness in the construction environment during the construction period; for the construction road matrix S0, S0(L, D, H, Q), wherein L is the average length of the road to be constructed, D is the average width of the road to be constructed, H is the average depth of the road to be constructed, and Q is the average traffic flow of the road section where the road to be constructed is located;
when the construction detector establishes the average environmental parameter matrix, the required road surface strength C is calculated according to the average environmental parameter,
wherein alpha is a correction coefficient, and alpha is a correction coefficient,
further, a road surface preset strength matrix C0 and a preset construction process matrix group A0 are prestored in the construction detector; for the road surface preset strength matrix C0, C0(C1, C2, C3, C4), wherein C1 is a first preset strength of the road surface, C2 is a second preset strength of the road surface, C3 is a third preset strength of the road surface, C4 is a fourth preset strength of the road surface, and the strength values of the preset strengths are gradually increased in sequence; for the preset construction process matrix groups A0 and A0(A1, A2, A3 and A4), wherein A1 is a first preset construction process matrix, A2 is a second preset construction process matrix, A3 is a third preset construction process matrix, and A4 is a fourth preset construction process matrix;
when the construction detector calculates the required road surface strength C, the construction detector can compare the values in the matrix C and the matrix C0 in sequence:
when C is less than or equal to C1, the construction detector selects each parameter in each matrix in the A1 matrix as the construction standard in the subsequent construction step;
when C is more than C1 and less than or equal to C2, the construction detector selects various parameters in each matrix in the A2 matrix as construction standards in the subsequent construction steps;
when C is more than C2 and less than or equal to C3, the construction detector selects various parameters in each matrix in the A3 matrix as construction standards in the subsequent construction steps;
and when C is more than C3 and less than or equal to C4, the construction detector selects various parameters in each matrix in the A4 matrix as construction standards in the subsequent construction steps.
Further, regarding an ith preset construction process matrix Ai, i is 1, 2, 3, 4, Ai (Wi, Bi, Ri, Ji, Li), wherein Wi is an ith preset earthwork excavation parameter matrix, Bi is an ith preset closed asphalt layer construction parameter matrix, Ri is an ith preset hot-melt asphalt layer construction parameter matrix, Ji is an ith preset concrete layer construction parameter matrix, and Li is an ith preset asphalt layer construction parameter matrix;
when the construction detector selects parameters of each matrix in the Ai matrix group as construction standard in the subsequent construction step, the construction detector selects parameters in the Wi matrix as process standard parameters for earthwork excavation in the step 3, selects parameters in the Bi matrix as process standard parameters for laying the closed asphalt layer in the step 4, selects parameters in the Ri matrix as process standard parameters for coating the hot-melt asphalt layer in the step 5, selects parameters in the Ji matrix as process standard parameters for pouring the concrete layer in the step 6, and selects parameters in the Li matrix as process standard parameters for laying the asphalt layer in the step 7.
Further, for the ith preset earthwork excavation parameter matrix Wi, Wi (Hwi, thetawi), wherein Hwi is the ith preset earthwork excavation depth, and thetawi is the ith preset earthwork excavation sidewall gradient; when the construction detector uses the parameters in the Wi matrix as the process standard parameters for the earth excavation in the step 3, the preset earth excavation depth is set to Hwi, and the slope of the earth excavation is set to θ Wi.
Further, in the step 4, the road roller sequentially performs initial pressing, secondary pressing and final pressing on the closed asphalt layer to ensure the compactness of the closed asphalt layer; for an ith preset closed asphalt layer construction parameter matrix Bi, Bi (Dbi, Tbi, Vbias, Vbb, Vbic), wherein Dbi is the thickness of the ith preset closed asphalt layer, Tbi is the ith preset closed asphalt layer temperature, Vbias is the ith preset initial pressing and moving speed of the road roller, Vbb is the ith preset re-pressing and moving speed of the road roller, and Vbic is the ith preset final pressing and moving speed of the road roller;
when the construction detector uses the parameters in the Bi matrix as the process standard parameters for laying the closed asphalt layer in the step 4, adjusting the thickness of the closed asphalt layer to Dbi and the temperature of the closed asphalt layer to Tbi when the closed asphalt layer is backfilled; after backfilling is finished, controlling the road roller to perform primary pressing on the closed asphalt layer at the moving speed of Vbia; after the initial pressing is finished, controlling the road roller to perform re-pressing on the closed asphalt layer at the Vbb moving speed; and after the re-pressing is finished, controlling the road roller to re-press the closed asphalt layer at the moving speed of Vbic so as to finish the backfilling of the closed asphalt layer.
Further, for an ith preset hot-melt asphalt layer construction parameter matrix Ri, Ri (Dri, θ Ri, Nri, Vri), where Dri is an ith preset hot-melt asphalt layer thickness, θ Ri is an ith preset nozzle angle of the coating equipment, Nri is an ith preset number of used nozzles of the coating equipment, and Vri is an ith preset moving speed of the coating equipment;
when the construction detector uses the parameters in the Ri matrix as the process standard parameters for coating the hot-melt asphalt layer in the step 5, adjusting the thickness of the hot-melt asphalt layer to Dri; starting Nri spray heads on the coating equipment and adjusting the included angle between each spray head and the hot-melt asphalt layer to be theta ri; after the adjustment is completed, the coating apparatus is controlled to move at a speed of Vri to complete the coating of the hot-melt asphalt layer.
Further, for an ith preset concrete layer construction parameter matrix Ji, Ji (Rji, Pji, Dji, Tji), wherein Rji is the ith preset crushed stone average size, Pji is the ith preset flatness, Dji is the ith preset concrete layer thickness, and Tji is the ith preset curing time;
when the parameters in the Ji matrix are used as the technological standard parameters for pouring the concrete layer in the step 6 by the construction detector, gravel with the average size of Rji is selected to be paved on the hot-melt asphalt, and the flatness of the hot-melt asphalt layer is guaranteed to be maintained at Pji in the paving process; after the laying is finished, pouring concrete and keeping the thickness of the concrete at Dji; and (4) completing the pouring, and completing the pouring of the concrete layer after the time of maintaining Tji by covering the plastic cloth.
Further, for an ith preset asphalt layer construction parameter matrix Li, Li (Nli, Dli, Rli), wherein Nli is the number of the ith preset asphalt layer, Dli is the thickness of the ith preset single-layer asphalt layer, and Rli is the ith preset diameter of the gathering line;
when the parameters in the Li matrix are used as the process standard parameters for laying the asphalt layers in the step 7 by the construction detector, sequentially laying a plurality of asphalt layers, setting the laying thickness of each asphalt layer to Dli when laying each asphalt layer, and sequentially transversely laying and longitudinally laying gathering lines with the diameter of Rli on the upper surface of each asphalt layer when laying a single asphalt layer; and when the paved asphalt layer reaches the Nli layer, completing paving of the asphalt layer.
Compared with the prior art, the method has the advantages that the construction detector is used for surveying the environment of the site, the temperature t, the humidity s, the rainfall P and the humidity M in the environment of the construction site are detected in sequence, the correction parameter alpha is obtained by calculating by using the parameters so as to correct the preset strength C of the road, the subsequent construction process parameters can be ensured to be suitable for specific environment, the influence of environmental factors on the road can be effectively eliminated, the influence of the environment and traffic flow can be stabilized after the road is built, and the construction efficiency of the method is improved.
Furthermore, the construction detector is searched by using a cloud database, after the search, the construction detector can obtain the environmental parameters of each time node of the construction area in a specified time interval, the average value of each environmental parameter can be obtained by counting the parameters, and the average parameter is selected when the preset intensity is corrected, so that the road can adapt to the environmental change in a specified time period after being constructed, and the construction efficiency of the method is further improved.
Furthermore, a road surface preset strength matrix C0(C1, C2, C3 and C4) and a preset construction process matrix group A0(A1, A2, A3 and A4) are also prestored in the construction detector, the road surface strength C calculated by the construction detector is sequentially compared with each numerical value in the C0 matrix, and a corresponding preset construction process matrix Ai is selected from the A0 matrix group according to the comparison result, so that the method can select corresponding construction processes according to different construction environment environments, and the construction efficiency of the method is further improved.
Further, for the ith preset construction process matrix Ai, i is 1, 2, 3, 4, Ai (Wi, Bi, Ri, Ji, Li), the ith preset earthwork excavation parameter matrix Wi, the ith preset closed asphalt layer construction parameter matrix Bi, the ith preset hot-melt asphalt layer construction parameter matrix Ri, the ith preset concrete layer construction parameter matrix Ji and the ith preset asphalt layer construction parameter matrix Li are respectively arranged, so that the construction process parameters in each step can be accurately adjusted according to the parameters in each matrix during construction, the construction precision of each step in the road construction process can be effectively ensured, and the construction efficiency of the method is further improved.
Further, for the ith preset earthwork excavation parameter matrix Wi, Wi (Hwi, theta Wi), the corresponding earthwork excavation thickness and gradient are selected according to different strength requirements, so that the stability of the road surface during construction can be improved, and the construction efficiency of the method is further improved.
Furthermore, for the ith preset closed asphalt layer construction parameter matrix Bi, Bi (Dbi, Tbi, Vbias, Vbb, Vbic), the thickness and the temperature of the corresponding closed asphalt layer are selected according to different strength requirements, so that the road surface can be guaranteed to bear the specified pressure after being built, meanwhile, the initial pressure moving speed, the re-pressure moving speed and the final pressure moving speed of the corresponding road roller are selected according to different strength requirements, and the closed asphalt layer is compacted for multiple times, so that the strength of the closed asphalt layer can be effectively guaranteed, the bearing pressure of the road surface is further improved, and the construction efficiency of the method is further improved.
Further, for the ith preset hot-melt asphalt layer construction parameter matrix Ri, Ri (Dri, theta Ri, Nri, Vri), the thickness of the corresponding hot-melt asphalt layer, the nozzle angle of the coating equipment, the number of nozzles and the moving speed are selected according to different strength requirements, so that the hot-melt asphalt layer can be stably and uniformly coated on the surface of the closed asphalt layer by the coating machine, the thickness proportion among all layers is ensured, the pressure bearing capacity of the road surface is improved, and the construction efficiency of the method is further improved.
Further, for the ith preset concrete layer construction parameter matrix Ji, Ji (Rji, Pji, Dji, Tji), the average size of the corresponding broken stones, the flatness of the hot-melt asphalt layer, the thickness of the concrete layer and the maintenance time are selected according to different strength requirements, so that the strength of the concrete layer can be improved while the thickness proportion among layers is further ensured, and the construction efficiency of the method is further improved.
Further, for the ith preset asphalt layer construction parameter matrix Li, Li (Nli, Dli, Rli), the intensity of the asphalt layer can be effectively ensured by selecting the number of the corresponding asphalt layer, the thickness of the single-layer asphalt layer and the diameter of the gathering line according to different intensity requirements, so that the construction efficiency of the method is further improved.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
The invention provides a municipal road construction method, which comprises the following steps:
step 1: an observer uses a construction detector to detect environmental parameters around a construction road, and the construction detector determines actual construction parameters in the subsequent steps according to the detection result;
step 2: after the actual construction parameters are determined, digging grooves at the edge of the roadbed so as to drain water at the later construction stage;
and step 3: carrying out layered excavation on a pavement to be constructed and gradually adopting a wire netting to protect the inner wall of earthwork in the excavation process;
and 4, step 4: backfilling earthwork, backfilling a closed asphalt layer with a specified thickness, gradually removing the wire netting in the filling process, closing the edge of the closed asphalt layer after the backfilling of the closed asphalt layer is finished, controlling a road roller to compact the closed asphalt layer at a specified moving speed, and cleaning the road surface by using an air suction device after the compaction;
and 5: adjusting the angle of a spray head of coating equipment, coating a hot-melt asphalt layer on the upper surface of the closed asphalt layer at a specified moving speed by using the coating equipment after the adjustment is finished, and manually coating when the coating equipment has a stripe phenomenon in the coating process;
step 6: selecting gravels with a specified size to be laid on the hot-melt asphalt layer, pouring concrete to form a concrete layer, and after pouring is finished, covering the concrete layer with plastic cloth to maintain the concrete layer;
and 7: after the concrete layer is cured, the plastic cloth is removed, the asphalt layers are paved on the upper surface of the concrete layer by layer, and gathering lines are paved among the asphalt layers to complete the construction of the road.
Specifically, the construction detector searches the geographical position of construction through a cloud database, obtains an average environment parameter of a construction area in a construction period according to search information aiming at the geographical position, and establishes an average construction environment matrix E0 and a construction road matrix S0 after the search is finished; for the average construction environment matrix E0, E0(t, s, P, M), where t is the average temperature of the construction environment during the construction period, s is the average humidity of the construction environment during the construction period, P is the average rainfall of the construction environment during the construction period, and M is the average soil compactness in the construction environment during the construction period; for the construction road matrix S0, S0(L, D, H, Q), wherein L is the average length of the road to be constructed, D is the average width of the road to be constructed, H is the average depth of the road to be constructed, and Q is the average traffic flow of the road section where the road to be constructed is located;
when the construction detector establishes the average environmental parameter matrix, the required road surface strength C is calculated according to the average environmental parameter,
wherein alpha is a correction coefficient, and alpha is a correction coefficient,
specifically, a road surface preset strength matrix C0 and a preset construction process matrix group A0 are also prestored in the construction detector; for the road surface preset strength matrix C0, C0(C1, C2, C3, C4), wherein C1 is a first preset strength of the road surface, C2 is a second preset strength of the road surface, C3 is a third preset strength of the road surface, C4 is a fourth preset strength of the road surface, and the strength values of the preset strengths are gradually increased in sequence; for the preset construction process matrix groups A0 and A0(A1, A2, A3 and A4), wherein A1 is a first preset construction process matrix, A2 is a second preset construction process matrix, A3 is a third preset construction process matrix, and A4 is a fourth preset construction process matrix;
when the construction detector calculates the required road surface strength C, the construction detector can compare the values in the matrix C and the matrix C0 in sequence:
when C is less than or equal to C1, the construction detector selects each parameter in each matrix in the A1 matrix as the construction standard in the subsequent construction step;
when C is more than C1 and less than or equal to C2, the construction detector selects various parameters in each matrix in the A2 matrix as construction standards in the subsequent construction steps;
when C is more than C2 and less than or equal to C3, the construction detector selects various parameters in each matrix in the A3 matrix as construction standards in the subsequent construction steps;
and when C is more than C3 and less than or equal to C4, the construction detector selects various parameters in each matrix in the A4 matrix as construction standards in the subsequent construction steps.
Specifically, for the ith preset construction process matrix Ai, i is 1, 2, 3, 4, Ai (Wi, Bi, Ri, Ji, Li), where Wi is the ith preset earthwork excavation parameter matrix, Bi is the ith preset closed asphalt layer construction parameter matrix, Ri is the ith preset hot-melt asphalt layer construction parameter matrix, Ji is the ith preset concrete layer construction parameter matrix, and Li is the ith preset asphalt layer construction parameter matrix;
when the construction detector selects parameters of each matrix in the Ai matrix group as construction standard in the subsequent construction step, the construction detector selects parameters in the Wi matrix as process standard parameters for earthwork excavation in the step 3, selects parameters in the Bi matrix as process standard parameters for laying the closed asphalt layer in the step 4, selects parameters in the Ri matrix as process standard parameters for coating the hot-melt asphalt layer in the step 5, selects parameters in the Ji matrix as process standard parameters for pouring the concrete layer in the step 6, and selects parameters in the Li matrix as process standard parameters for laying the asphalt layer in the step 7.
Specifically, for the ith preset earthwork excavation parameter matrix Wi, Wi (Hwi, thetawi), wherein Hwi is the ith preset earthwork excavation depth and thetawi is the ith preset earthwork excavation sidewall gradient; when the construction detector uses the parameters in the Wi matrix as the process standard parameters for the earth excavation in the step 3, the preset earth excavation depth is set to Hwi, and the slope of the earth excavation is set to θ Wi.
Specifically, in the step 4, the road roller sequentially performs initial pressing, secondary pressing and final pressing on the closed asphalt layer to ensure the compactness of the closed asphalt layer; for an ith preset closed asphalt layer construction parameter matrix Bi, Bi (Dbi, Tbi, Vbias, Vbb, Vbic), wherein Dbi is the thickness of the ith preset closed asphalt layer, Tbi is the ith preset closed asphalt layer temperature, Vbias is the ith preset initial pressing and moving speed of the road roller, Vbb is the ith preset re-pressing and moving speed of the road roller, and Vbic is the ith preset final pressing and moving speed of the road roller;
when the construction detector uses the parameters in the Bi matrix as the process standard parameters for laying the closed asphalt layer in the step 4, adjusting the thickness of the closed asphalt layer to Dbi and the temperature of the closed asphalt layer to Tbi when the closed asphalt layer is backfilled; after backfilling is finished, controlling the road roller to perform primary pressing on the closed asphalt layer at the moving speed of Vbia; after the initial pressing is finished, controlling the road roller to perform re-pressing on the closed asphalt layer at the Vbb moving speed; and after the re-pressing is finished, controlling the road roller to re-press the closed asphalt layer at the moving speed of Vbic so as to finish the backfilling of the closed asphalt layer.
Specifically, for an ith preset hot-melt asphalt layer construction parameter matrix Ri, Ri (Dri, Theari, Nri, Vri), wherein Dri is the ith preset hot-melt asphalt layer thickness, Theari is the ith preset nozzle angle of the coating equipment, Nri is the ith preset number of used nozzles of the coating equipment, and Vri is the ith preset moving speed of the coating equipment;
when the construction detector uses the parameters in the Ri matrix as the process standard parameters for coating the hot-melt asphalt layer in the step 5, adjusting the thickness of the hot-melt asphalt layer to Dri; starting Nri spray heads on the coating equipment and adjusting the included angle between each spray head and the hot-melt asphalt layer to be theta ri; after the adjustment is completed, the coating apparatus is controlled to move at a speed of Vri to complete the coating of the hot-melt asphalt layer.
Specifically, for an ith preset concrete layer construction parameter matrix Ji, Ji (Rji, Pji, Dji, Tji), wherein Rji is the ith preset gravel average size, Pji is the ith preset flatness, Dji is the ith preset concrete layer thickness, and Tji is the ith preset maintenance time;
when the parameters in the Ji matrix are used as the technological standard parameters for pouring the concrete layer in the step 6 by the construction detector, gravel with the average size of Rji is selected to be paved on the hot-melt asphalt, and the flatness of the hot-melt asphalt layer is guaranteed to be maintained at Pji in the paving process; after the laying is finished, pouring concrete and keeping the thickness of the concrete at Dji; and (4) completing the pouring, and completing the pouring of the concrete layer after the time of maintaining Tji by covering the plastic cloth.
Specifically, for an ith preset asphalt layer construction parameter matrix Li, Li (Nli, Dli, Rli), where Nli is the number of the ith preset asphalt layer, Dli is the thickness of the ith preset single-layer asphalt layer, and Rli is the ith preset diameter of the gathering line;
when the parameters in the Li matrix are used as the process standard parameters for laying the asphalt layers in the step 7 by the construction detector, sequentially laying a plurality of asphalt layers, setting the laying thickness of each asphalt layer to Dli when laying each asphalt layer, and sequentially transversely laying and longitudinally laying gathering lines with the diameter of Rli on the upper surface of each asphalt layer when laying a single asphalt layer; and when the paved asphalt layer reaches the Nli layer, completing paving of the asphalt layer.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A municipal road construction method is characterized by comprising the following steps:
step 1: an observer uses a construction detector to detect environmental parameters around a construction road, and the construction detector determines actual construction parameters in the subsequent steps according to the detection result;
step 2: after the actual construction parameters are determined, digging grooves at the edge of the roadbed so as to drain water at the later construction stage;
and step 3: carrying out layered excavation on a pavement to be constructed and gradually adopting a wire netting to protect the inner wall of earthwork in the excavation process;
and 4, step 4: backfilling earthwork, backfilling a closed asphalt layer with a specified thickness, gradually removing the wire netting in the filling process, closing the edge of the closed asphalt layer after the backfilling of the closed asphalt layer is finished, controlling a road roller to compact the closed asphalt layer at a specified moving speed, and cleaning the road surface by using an air suction device after the compaction;
and 5: adjusting the angle of a spray head of coating equipment, coating a hot-melt asphalt layer on the upper surface of the closed asphalt layer at a specified moving speed by using the coating equipment after the adjustment is finished, and manually coating when the coating equipment has a stripe phenomenon in the coating process;
step 6: selecting gravels with a specified size to be laid on the hot-melt asphalt layer, pouring concrete to form a concrete layer, and after pouring is finished, covering the concrete layer with plastic cloth to maintain the concrete layer;
and 7: after the concrete layer is cured, removing the plastic cloth, laying asphalt layers on the upper surface of the concrete layer by layer and laying gathering lines among the asphalt layers to finish the construction of the road;
the construction detector searches the geographical position of construction through the cloud database, obtains the average environmental parameters of the construction area in the construction period according to the search information aiming at the geographical position, and establishes an average construction environment matrix E0 and a construction road matrix S0 after the search is finished; for the average construction environment matrix E0, E0(t, s, P, M), where t is the average temperature of the construction environment during the construction period, s is the average humidity of the construction environment during the construction period, P is the average rainfall of the construction environment during the construction period, and M is the average soil compactness in the construction environment during the construction period; for the construction road matrix S0, S0(L, D, H, Q), wherein L is the average length of the road to be constructed, D is the average width of the road to be constructed, H is the average depth of the road to be constructed, and Q is the average traffic flow of the road section where the road to be constructed is located;
when the construction detector establishes the average environmental parameter matrix, the required road surface strength C is calculated according to the average environmental parameter,
wherein alpha is a correction coefficient, and alpha is a correction coefficient,
2. the town road construction method according to claim 1, wherein a road surface preset strength matrix C0 and a preset construction process matrix group A0 are also prestored in the construction detector; for the road surface preset strength matrix C0, C0(C1, C2, C3, C4), wherein C1 is a first preset strength of the road surface, C2 is a second preset strength of the road surface, C3 is a third preset strength of the road surface, C4 is a fourth preset strength of the road surface, and the strength values of the preset strengths are gradually increased in sequence; for the preset construction process matrix groups A0 and A0(A1, A2, A3 and A4), wherein A1 is a first preset construction process matrix, A2 is a second preset construction process matrix, A3 is a third preset construction process matrix, and A4 is a fourth preset construction process matrix;
when the construction detector calculates the required road surface strength C, the construction detector can compare the values in the matrix C and the matrix C0 in sequence:
when C is less than or equal to C1, the construction detector selects each parameter in each matrix in the A1 matrix as the construction standard in the subsequent construction step;
when C is more than C1 and less than or equal to C2, the construction detector selects various parameters in each matrix in the A2 matrix as construction standards in the subsequent construction steps;
when C is more than C2 and less than or equal to C3, the construction detector selects various parameters in each matrix in the A3 matrix as construction standards in the subsequent construction steps;
and when C is more than C3 and less than or equal to C4, the construction detector selects various parameters in each matrix in the A4 matrix as construction standards in the subsequent construction steps.
3. The municipal road construction method according to claim 2, wherein for the ith preset construction process matrix Ai, i is 1, 2, 3, 4, Ai (Wi, Bi, Ri, Ji, Li), where Wi is the ith preset earthwork parameter matrix, Bi is the ith preset closed asphalt layer construction parameter matrix, Ri is the ith preset hot-melt asphalt layer construction parameter matrix, Ji is the ith preset concrete layer construction parameter matrix, and Li is the ith preset asphalt layer construction parameter matrix;
when the construction detector selects parameters of each matrix in the Ai matrix group as construction standard in the subsequent construction step, the construction detector selects parameters in the Wi matrix as process standard parameters for earthwork excavation in the step 3, selects parameters in the Bi matrix as process standard parameters for laying the closed asphalt layer in the step 4, selects parameters in the Ri matrix as process standard parameters for coating the hot-melt asphalt layer in the step 5, selects parameters in the Ji matrix as process standard parameters for pouring the concrete layer in the step 6, and selects parameters in the Li matrix as process standard parameters for laying the asphalt layer in the step 7.
4. The town road construction method according to claim 3, wherein for the ith preset earthwork parameter matrix Wi, Wi (Hwi, θ Wi), where Hwi is the ith preset earthwork depth and θ Wi is the ith preset earthwork sidewall gradient; when the construction detector uses the parameters in the Wi matrix as the process standard parameters for the earth excavation in the step 3, the preset earth excavation depth is set to Hwi, and the slope of the earth excavation is set to θ Wi.
5. The municipal road construction method according to claim 3, wherein in the step 4, the road roller sequentially performs initial pressing, secondary pressing and final pressing on the closed asphalt layer to ensure the compactness of the closed asphalt layer; for an ith preset closed asphalt layer construction parameter matrix Bi, Bi (Dbi, Tbi, Vbias, Vbb, Vbic), wherein Dbi is the thickness of the ith preset closed asphalt layer, Tbi is the ith preset closed asphalt layer temperature, Vbias is the ith preset initial pressing and moving speed of the road roller, Vbb is the ith preset re-pressing and moving speed of the road roller, and Vbic is the ith preset final pressing and moving speed of the road roller;
when the construction detector uses the parameters in the Bi matrix as the process standard parameters for laying the closed asphalt layer in the step 4, adjusting the thickness of the closed asphalt layer to Dbi and the temperature of the closed asphalt layer to Tbi when the closed asphalt layer is backfilled; after backfilling is finished, controlling the road roller to perform primary pressing on the closed asphalt layer at the moving speed of Vbia; after the initial pressing is finished, controlling the road roller to perform re-pressing on the closed asphalt layer at the Vbb moving speed; and after the re-pressing is finished, controlling the road roller to re-press the closed asphalt layer at the moving speed of Vbic so as to finish the backfilling of the closed asphalt layer.
6. The town road construction method according to claim 3, wherein the construction parameter matrix Ri, Ri (Dri, Theari, Nri, Vri) is set for the ith preset hot-melt asphalt layer, wherein Dri is the ith preset hot-melt asphalt layer thickness, Theari is the ith preset nozzle angle of the coating equipment, Nri is the ith preset number of used nozzles of the coating equipment, and Vri is the ith preset moving speed of the coating equipment;
when the construction detector uses the parameters in the Ri matrix as the process standard parameters for coating the hot-melt asphalt layer in the step 5, adjusting the thickness of the hot-melt asphalt layer to Dri; starting Nri spray heads on the coating equipment and adjusting the included angle between each spray head and the hot-melt asphalt layer to be theta ri; after the adjustment is completed, the coating apparatus is controlled to move at a speed of Vri to complete the coating of the hot-melt asphalt layer.
7. The municipal road construction method according to claim 3, wherein for the ith predetermined concrete layer construction parameter matrix Ji, Ji (Rji, Pji, Dji, Tji), wherein Rji is the ith predetermined macadam average size, Pji is the ith predetermined flatness, Dji is the ith predetermined concrete layer thickness, Tji is the ith predetermined curing time;
when the parameters in the Ji matrix are used as the technological standard parameters for pouring the concrete layer in the step 6 by the construction detector, gravel with the average size of Rji is selected to be paved on the hot-melt asphalt, and the flatness of the hot-melt asphalt layer is guaranteed to be maintained at Pji in the paving process; after the laying is finished, pouring concrete and keeping the thickness of the concrete at Dji; and (4) completing the pouring, and completing the pouring of the concrete layer after the time of maintaining Tji by covering the plastic cloth.
8. The municipal road construction method according to claim 3, wherein for the ith preset asphalt layer construction parameter matrix Li, Li (Nli, Dli, Rli), where Nli is the ith preset asphalt layer number, Dli is the ith preset single-layer asphalt layer thickness, and Rli is the gathering line ith preset diameter;
when the parameters in the Li matrix are used as the process standard parameters for laying the asphalt layers in the step 7 by the construction detector, sequentially laying a plurality of asphalt layers, setting the laying thickness of each asphalt layer to Dli when laying each asphalt layer, and sequentially transversely laying and longitudinally laying gathering lines with the diameter of Rli on the upper surface of each asphalt layer when laying a single asphalt layer; and when the paved asphalt layer reaches the Nli layer, completing paving of the asphalt layer.
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Denomination of invention: A Municipal Road Construction Method Effective date of registration: 20230413 Granted publication date: 20210226 Pledgee: Agricultural Bank of China Limited Zhuzhou branch Pledgor: HUNAN ZHONGTIAN CONSTRUCTION GROUP CO.,LTD. Registration number: Y2023980037907 |