CN111626451A - Highway construction and maintenance method - Google Patents
Highway construction and maintenance method Download PDFInfo
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- CN111626451A CN111626451A CN202010568451.0A CN202010568451A CN111626451A CN 111626451 A CN111626451 A CN 111626451A CN 202010568451 A CN202010568451 A CN 202010568451A CN 111626451 A CN111626451 A CN 111626451A
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- G06Q10/00—Administration; Management
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention relates to a method for highway construction and maintenance, which comprises the steps of obtaining a road information matrix R (Li, Pi) of a current road section, wherein Li represents the position information of a corresponding ith road section, Pi represents the flatness information of the corresponding ith road section, and i is equal to 1-N; acquiring a historical use information matrix U (Wni, Tni, n) of the current road section, wherein Wni represents the weight of the nth vehicle passing through the current road section within a preset time, and Tni represents the passing time period of the nth vehicle; n represents that the current road section passes n vehicles in total, and the optimal bearing capacity W0 of the current road section is set; the road section collapse degree Di, Di is (| W1i-W0| + | W2i-W0| + … … + | Wni-W0|)/(W1i + W2i + … … + Wni), the road construction maintenance urgency degree Gi is set, Gi is K1 × Pi + K2 × Di, K1 and K2 are constants, and K1+ K2 is 1. The highway construction and maintenance method provided by the invention can effectively select the time for highway construction and maintenance by setting the urgency of road construction and maintenance, and reduce the maintenance cost or the road maintenance cost.
Description
Technical Field
The invention relates to the field of urban traffic, in particular to a highway construction and maintenance method.
Background
Along with the rapid increase of the road traffic volume, certain challenges are brought to the important carrier road for bearing the road traffic, the proportion of trucks is increased, and the overload phenomenon is serious, so that various damages are caused to the road surface of the road, the traffic transportation is seriously influenced, and huge economic losses are caused.
At present, the maintenance of the highway is more and more important to the normal operation of the highway, the existing highway maintenance methods are more and more, but the highway section targeted by the highway maintenance method in the prior art is single, for example, only the protection of the asphalt pavement of the highway is targeted, and an effective maintenance means is lacked in the case of a complicated highway section. And how to select the optimal maintenance time for different road surfaces is also an important subject, some road surfaces have serious cracks to influence normal transportation, and the road construction maintenance is equivalent to partial re-repairing of the road surface, so that the time consumption is long and the cost is high.
Disclosure of Invention
Therefore, the highway construction and maintenance method provided by the invention can effectively select the time for highway construction and maintenance and reduce the maintenance cost or road maintenance cost.
In order to achieve the purpose, the invention provides a highway construction maintenance method, which comprises the following steps: acquiring a road information matrix R (Li, Pi) of the current road section, wherein Li represents the position information of the corresponding ith road section, Pi represents the flatness information of the corresponding ith road section, and i is equal to 1-N; acquiring a historical use information matrix U (Wni, Tni, n) of the current road section, wherein Wni represents the weight of the nth vehicle passing through the current road section within a preset time, and Tni represents the passing time period of the nth vehicle; n represents that the current road section passes n vehicles in total, and the optimal bearing capacity W0 of the current road section is set; the road section distrust Di adopts the expression as follows:
Di＝(|W1i-W0|+|W2i-W0|+……+|Wni-W0|)/(W1i+W2i+……+Wni) (1)
setting the road construction maintenance urgency Gi, wherein the adopted expression is as follows:
Gi＝K1×Pi+K2×Di (2)
wherein K1 and K2 are constants, and K1+ K2 is 1.
Further, setting a highway construction and maintenance urgency degree standard G0, and immediately stopping the highway for maintenance when the highway construction and maintenance urgency degree G is greater than G0; and when the road construction maintenance urgency G is less than or equal to G0, the road construction maintenance urgency G is continuously used.
Further, acquiring a leveling grade function PM (A, B, C, D, E) of the current road section, and setting the current road section to have M cracks, wherein A represents the number of cracks with the width of less than 2mm on the current road section, B represents the number of cracks with the width of 2-6mm on the current road section, C represents the number of cracks with the width of 6-12.7mm on the current road section, and D represents the number of cracks with the width of 12.7-25mm on the current road section; e represents the number of cracks having a crack width of 25mm or more in the current link, and the severity of cracks in the current link is set to CL ═ 2 × a +5 × B +10 × C +20 × D +25 × E)/M, (3)
If the crack degree of the current road section is less than 6, the current road section belongs to a first grade PL1, if the crack degree of the current road section is between 6 and 12.7, the current road section belongs to a second grade PL2, and if the crack degree of the current road section is more than 12.7, the current road section belongs to a third grade PL 3.
Further, the N road sections are sorted from large to small according to the flatness information of the road sections, wherein P1> P2> … … > PN; and when K1 is larger than K2, maintaining the road sections according to the sequence of the flatness information from small to large.
Further, the N road sections are arranged from large to small according to the total weight, and when K2 is larger than K1, maintenance is performed according to the sequence of the total weight of the load bearing from large to small.
Further, when the ith road section is constructed and maintained, according to the position information of the road section, the road construction and maintenance urgency levels Gi-1 and Gi +1 of the ith-1 road section and the (i + 1) th road section which are adjacent in position are firstly subjected to subsequent maintenance on the road section with high urgency level.
Further, the maintenance comprises a crack filling method, a thin layer coating method, a surface sealing method and/or a regeneration method.
Further, setting the flatness information to be judged by adopting flatness levels, wherein the flatness levels comprise a first level PL1, a second level PL2 and a third level PL3, and assigning a value of 1 to the first level, a value of 2 to the second level and a value of 3 to the third level respectively; the first grade represents that the current road section is flat, the second grade represents that the current road section is not flat and is not maintained, and the third grade represents that maintenance construction is in progress;
the road flatness P adopts the following expression:
P＝(P1L+P2L+……+PNL)/N (4)
in the formula, P1L represents the flatness level assignment corresponding to the first road segment, P2L represents the flatness level assignment corresponding to the second road segment, and PNL represents the flatness level assignment corresponding to the nth road segment;
road distressing degree D ═ (D1+ D2+ … … + DN)/N (5)
The road maintenance urgency degree G is k3 XP + k4 XD, k3 and k4 are constants, and k3+ k4 is 1.
And further, setting a camera, processing and analyzing the road surface image information acquired by the camera, and acquiring the flatness information of the current road section according to an image analysis result.
Further, the camera is arranged on the street lamp of the road section.
Compared with the prior art, the road maintenance method has the advantages that the corresponding construction maintenance urgency is calculated for each road section by setting the road construction maintenance urgency Gi, then the maintenance urgency is higher, maintenance can be carried out as early as possible, if the maintenance urgency is lower, maintenance is not needed urgently, time arrangement of time intervals for maintenance of all road sections is facilitated, cost increase caused by too early maintenance time is avoided, and investment of road repair cost caused by too late maintenance time is also avoided.
Particularly, the correlation between the road section flatness and the road section bearing capacity is large, the weight of vehicles passing through the road section in history far exceeds the maximum bearing capacity of the road section, the damage to the road section is serious, a plurality of large-size cracks are formed on the road surface, and at the moment, the vehicles passing through the road section are far larger than the bearing range of the vehicles, and the phenomena of obvious damage to the road surface and the like are generated. At the moment, the weight of the historical vehicles on the road section is far larger than the maximum bearing range, so the absolute value of the difference between the historical vehicles and the maximum bearing capacity is larger, the occupation ratio is correspondingly large, and the road construction and maintenance urgency Gi needs to be calculated by taking the historical bearing information of the road as a main factor.
In addition, the correlation between the road section flatness and the road section bearing capacity is not large, the weight of vehicles passing through the road section historically is smaller than the maximum bearing capacity of the road section, the damage to the road section is not serious, a large number of large-size cracks do not exist on the road surface, the vehicles passing through the road section are not larger than the bearing range of the vehicles, and the phenomena of obvious damage to the road surface and the like do not exist. At the moment, the weight of the historical vehicles on the road section is smaller than the maximum bearing range, so the absolute value of the difference between the historical vehicles and the maximum bearing capacity is smaller, the occupation ratio is correspondingly small, and the road construction and maintenance urgency Gi needs to be calculated by taking the flatness information of the road as a main factor. So set up for construction maintenance urgency Gi can reflect the actual influence factor of current highway section, and the accuracy is higher, more accords with actual needs.
In particular, the weight of each vehicle is compared with the optimal bearing capacity, then the absolute value of the difference is taken, then the absolute values of all the differences are summed, and the ratio of the sum of the total weight of all the passing vehicles is taken, wherein if the proportion is larger, the larger the degree of damage is, the more the passing vehicles are or the weight of each passing vehicle is larger, the damage to the road is larger, and the degree of damage to the road is larger.
Drawings
Fig. 1 is a flowchart of a method for highway construction and maintenance according to an embodiment of the present invention.
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.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. 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.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an embodiment of the present invention provides a highway construction and maintenance method, including:
s10, acquiring a road information matrix R (Li, Pi) of the current road section, wherein Li represents the position information of the corresponding ith road section, Pi represents the flatness information of the corresponding ith road section, and i is equal to 1-N;
s20, obtaining a historical usage information matrix U (Wni, Tni, n) of the current road segment, Wni indicating a weight of an nth vehicle passing through the current road segment within a preset time, Tni indicating a passing time period of the nth vehicle; n represents that the current road section passes n vehicles in total, and the optimal bearing capacity W0 of the current road section is set;
s30, the road section distrust Di adopts the expression:
Di＝(|W1i-W0|+|W2i-W0|+……+|Wni-W0|)/(W1i+W2i+……+Wni)
s40, setting the short circuit construction maintenance urgency Gi, wherein the expression is as follows:
Gi＝K1×Pi+K2×Di
wherein K1 and K2 are constants, and K1+ K2 is 1.
In particular, various problems arise after a road has been used for a period of time, requiring maintenance of the road to extend its useful life. In actual life, the time selection of highway maintenance is crucial, maintenance cost is increased if the time selection of highway construction and maintenance is earlier, and the maintenance cost is increased if the time selection of highway construction and maintenance is later, a highway is seriously damaged and may need to be repaired again instead of maintenance.
Specifically, in step S10, a road information matrix R (Li, Pi) of the current road segment is established, and each road segment has corresponding position information Li and flatness information Pi of the road segment, the position information of the road segment can be obtained according to the GPS positioning system, and the flatness information of the road segment can be obtained according to a monitoring probe arranged on the road surface or a record of the road patrol car.
In step S20, the historical usage information matrix U (Wni, Tni, n) for the current road segment needs to be established because the determination of the actual road maintenance time is related to the historical usage information of the current road segment, specifically, if the historical usage information of the current road segment includes a plurality of vehicles exceeding the load bearing capacity of the current road segment, the damage to the current road segment is very large; if vehicles passing through the current road section in the historical use information of the current road section are all in the optimal weighing range of the current road section, but the number of the passing vehicles is large, the influence on the road is also certain, and if the road section is designed, the number of times of passing through the vehicles is 5 ten thousand, and the road section needs to be maintained when the number of times is reached.
In step S30, the link deterioration degree Di is expressed by:
Di＝(|W1i-W0|+|W2i-W0|+……+|Wni-W0|)/(W1i+W2i+……+Wni)，
in the embodiment of the invention, the weight of each vehicle is compared with the optimal bearing capacity, then the absolute value of the difference is taken, then the absolute values of all the differences are summed, and the proportion of the sum to the total weight of all passing vehicles is taken, wherein if the degree of deterioration is larger, the proportion indicates that more passing vehicles pass or the weight of each passing vehicle is larger, the damage to the road is larger, and the degree of deterioration of the road is larger.
In step S40, the road construction and maintenance urgency Gi adopts the expression:
Gi＝K1×Pi+K2×Di
where K1 and K2 are constants, K1+ K2 is 1, specifically, K1 is 0.95, K2 is 0.05, K1 is 0.05, K2 is 0.95, and K1 is 0.5 — K2. The road construction and maintenance urgency level is closely related to the historical use information of the road and the flatness of the current road, the flatness information of the current road section can be represented by the ratio of the area of an uneven road surface to the actual area of the road section, and the flatness level of the current road section can be determined by carrying out level division according to cracks on the road surface. In the highway construction and maintenance method provided by the embodiment of the invention, the historical use information of the road, which is a factor influencing the road construction urgency, and the flatness of the road section are expressed in a correlation manner, specifically, K1 is used as a coefficient of the flatness information of the road section, and K2 is used as a coefficient of the road deterioration, in the practical application process, if K1 is greater than K2, the influence of the flatness information on the road construction and maintenance urgency is larger, if K1 is less than K2, the influence of the historical use information of the road section on the road construction and maintenance urgency is larger, and if K1 is equal to K2, the influence of the two factors on the road construction and maintenance urgency is the same.
According to the highway construction and maintenance method provided by the embodiment of the invention, the corresponding construction and maintenance urgency is calculated for each road section by setting the road construction and maintenance urgency Gi, then the maintenance urgency is higher, the road construction and maintenance urgency can be maintained as early as possible, if the maintenance urgency is lower, the road construction and maintenance method is not urgent to maintain, time arrangement of time intervals for maintaining all road sections is facilitated, cost increase caused by too early maintenance time is avoided, and investment of road repair cost caused by too late maintenance time is also avoided.
Specifically, as will be understood by those skilled in the art, a highway construction maintenance urgency level standard G0 is set, and when the highway construction maintenance urgency level Gi is greater than G0, the highway is immediately maintained without being used;
and when the road construction maintenance urgency Gi is less than or equal to G0, the road construction maintenance urgency Gi is continuously used.
It can be understood by those skilled in the art that a plurality of highway construction and maintenance urgency degree standards G1, G2 and the like can be set, maintenance is performed immediately if the construction and maintenance urgency degree of the current road section is greater than G0, when the highway construction and maintenance urgency degree Gi is less than or equal to G0, maintenance can be performed after one month if the construction and maintenance urgency degree of the current road section is between G0 and G1, maintenance can be performed after two months if the construction and maintenance urgency degree of the current road section is between G1 and G2, and so on. That is, when the road construction maintenance urgency degree is less than or equal to G0, the road section can be continuously used for one month or 2 months.
Specifically, a leveling level function PM (A, B, C, D, E) of the current road section is obtained, and the current road section is set to have M cracks, wherein A represents the number of cracks with the width of less than 2mm on the current road section, B represents the number of cracks with the width of 2-6mm on the current road section, C represents the number of cracks with the width of 6-12.7mm on the current road section, and D represents the number of cracks with the width of 12.7-25mm on the current road section; and E represents the number of cracks with the crack width of more than 25mm on the current road section, the crack severity of the current road section is set to be CL ═ 2 xA +5 xB +10 xC +20 xD +25 xE)/M, if the crack severity of the current road section is less than 6, the current road section belongs to a first grade PL1, if the crack severity of the current road section is between 6 and 12.7, the current road section belongs to a second grade PL2, and if the crack severity of the current road section is more than 12.7, the current road section belongs to a third grade PL 3.
Specifically, in one specific embodiment, a road segment has 5 cracks, where the number of cracks having a crack width of 2mm or less is 2, and the number of cracks having a crack width of 6 to 12.7mm is 3, the leveling class function PM (2,0,3,0,0) of the road segment, and the crack severity of the current road segment is CL ═ 2 × 2+5 × 0+10 × 3+20 × 0+25 × 0)/5 ═ 6.8, which indicates that the crack severity of the current road segment is between 6 and 12.7, and belongs to the second grade PL2, and the corresponding value is 2.
Specifically, in the actual road maintenance, the N road sections are sorted from large to small according to the flatness information of the road sections, wherein P1> P2> … … > PN; when K1> K2, the influence of the flatness information on the road construction maintenance urgency is large, and the road sections are maintained according to the sequence of the flatness information from small to large.
In the actual road maintenance, the correlation between the road section flatness and the road section load bearing capacity is not large, the weight of vehicles passing through the road section historically is smaller than the maximum load bearing capacity of the road section, the damage to the road section is not serious, a large number of large-size cracks do not exist on the road surface, the vehicles passing through the road section are not larger than the load bearing range of the vehicles, and the phenomena of obvious damage to the road surface and the like do not exist. At the moment, the weight of the historical vehicles on the road section is smaller than the maximum bearing range, so the absolute value of the difference between the historical vehicles and the maximum bearing capacity is smaller, the occupation ratio is correspondingly small, and the road construction and maintenance urgency Gi needs to be calculated by taking the flatness information of the road as a main factor. So set up for construction maintenance urgency Gi can reflect the actual influence factor of current highway section, and the accuracy is higher, more accords with actual needs.
Specifically, in the embodiment of the present invention, the N road segments may be arranged from large to small according to the total weighing amount, and when K2> K1, the historical load bearing information of the road has a large influence on the urgency of road construction and maintenance, and maintenance is performed in the order of the total load bearing amount from large to small.
In actual road maintenance, the correlation between the road section flatness and the road section bearing capacity is large, the weight of vehicles passing through the road section historically exceeds the maximum bearing capacity of the road section, the damage to the road section is serious, a large number of large-size cracks are formed on the road surface, and at the moment, the vehicles passing through the road section are far larger than the bearing range of the vehicles, so that the road surface is obviously damaged. At the moment, the weight of the historical vehicles on the road section is far larger than the maximum bearing range, so the absolute value of the difference between the historical vehicles and the maximum bearing capacity is larger, the occupation ratio is correspondingly large, and the road construction and maintenance urgency Gi needs to be calculated by taking the historical bearing information of the road as a main factor. So set up for construction maintenance urgency Gi can reflect the actual influence factor of current highway section, and the accuracy is higher, more accords with actual needs.
Specifically, in order to further save the time for road maintenance, the location is optimized, that is, a road section which is closer to the current road section and has a higher maintenance urgency is maintained first, when the ith road section is constructed and maintained, according to the location information of the road section, the highway construction and maintenance urgency Gi-1 and Gi +1 of the ith-1 road section and the (i + 1) th road section which are adjacent to each other in location are maintained, and the road section with the higher urgency is maintained subsequently first. So set up when needing to carry out the while maintenance multistage road, can arrange in order in the position and the urgency degree, reasonable arrangement shortens highway maintenance time.
Specifically, the curing method may be various and may include a crack sealing method, a thin layer coating method, a surface sealing method, and/or a recycling-type method. Some methods are applied to the road sections with smaller cracks and some methods are applied to the road sections with larger cracks, and in the road sections with different curing urgency degrees, the combination of the methods or one of the methods can be adopted, so that the method is not limited, and the user can select the method according to the actual road section condition.
Specifically, a road segment may be divided into a plurality of road segments, the flatness information is set to be determined by using flatness levels, the flatness levels include a first level PL1, a second level PL2 and a third level PL3, and the first level is assigned a value of 1, the second level is assigned a value of 2, and the third level is assigned a value of 3, respectively; the first grade represents that the current road section is flat, the second grade represents that the current road section is not flat and is not maintained, and the third grade represents that maintenance construction is in progress; the road flatness P adopts the following expression:
p ═ P1L + P2L + … … + PNL)/N, where P1L represents the flatness level assignment corresponding to the first road segment, the flatness level assignment of the first road segment may be 1, 2, or 3, P2L represents the flatness level assignment corresponding to the second road segment, and PNL represents the flatness level assignment corresponding to the nth road segment; the flatness grade assignment of other road sections can be 1, 2 or 3, the flatness of the road is obtained by utilizing the sum and average of the flatness of a plurality of road sections according to the dynamic change of external factors such as the service time of the road, the numerical value is dynamically changed and dynamically changed according to the flatness of the road sections and is in positive correlation.
The road distressing degree D is (D1+ D2+ … … + DN)/N, and the distressing degree of the road is closely related to the distressing degree of each road section, and the distressing degree of each road section changes according to the actual condition of the road. The road maintenance urgency degree G is k3 XP + k4 XD, k3 and k4 are constants, and k3+ k4 is 1. k3 is 0.95, k4 is 0.05, k3 may be 0.05, k4 is 0.95, and k3 ═ k4 ═ 0.5.
Specifically, in the kilometer construction maintenance process, the camera is arranged to acquire road surface image information, process and analyze the road surface image information, and acquire the flatness information of the current road section according to an image analysis result. The camera is simple and convenient to use, the data acquisition speed is high, the data acquisition is accurate, and the method is quicker and more accurate compared with manual acquisition.
Particularly, the camera is arranged on the street lamp of the road section, and the road surface image information is obtained through the camera on the street lamp, so that the road surface image information is clear, accurate and quick.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, 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 (7)
1. A method for highway construction and maintenance is characterized by comprising the following steps:
acquiring a road information matrix R (Li, Pi) of the current road section, wherein Li represents the position information of the corresponding ith road section, Pi represents the flatness information of the corresponding ith road section, and i is equal to 1-N;
acquiring a historical use information matrix U (Wni, Tni, n) of the current road section, wherein Wni represents the weight of the nth vehicle passing through the current road section within a preset time, and Tni represents the passing time period of the nth vehicle; n represents that the current road section passes n vehicles in total, and the optimal bearing capacity W0 of the current road section is set;
the road section distrust Di adopts the expression as follows:
Di＝(|W1i-W0|+|W2i-W0|+……+|Wni-W0|)/(W1i+W2i+……+Wni) (1)
setting the road construction maintenance urgency Gi, wherein the adopted expression is as follows:
Gi＝K1×Pi+K2×Di (2)
wherein K1 and K2 are constants, K1+ K2 is 1;
setting a highway construction and maintenance urgency degree standard G0, and immediately stopping the highway for maintenance when the highway construction and maintenance urgency degree G is greater than G0;
and when the road construction maintenance urgency G is less than or equal to G0, the road construction maintenance urgency G is continuously used.
2. The method of highway construction maintenance according to claim 1,
acquiring a leveling grade function PM (A, B, C, D, E) of the current road section, setting that the current road section has M cracks, wherein A represents the number of cracks with the width of less than 2mm on the current road section, B represents the number of cracks with the width of 2-6mm on the current road section, C represents the number of cracks with the width of 6-12.7mm on the current road section, and D represents the number of cracks with the width of 12.7-25mm on the current road section; e represents the number of cracks with the width of more than 25mm on the current road section, and the severity of the cracks on the current road section is set to
CL＝(2×A+5×B+10×C+20×D+25×E)/M, (3)
If the crack degree of the current road section is less than 6, the current road section belongs to a first grade PL1, if the crack degree of the current road section is between 6 and 12.7, the current road section belongs to a second grade PL2, and if the crack degree of the current road section is more than 12.7, the current road section belongs to a third grade PL 3.
3. The method for highway construction maintenance according to claim 2, wherein N said road segments are sorted from big to small according to their flatness information, wherein P1> P2> … … > PN;
and when K1 is larger than K2, maintaining the road sections according to the sequence of the flatness information from small to large.
4. The method for highway construction maintenance according to claim 2, wherein N said road sections are arranged from big to small according to the total weight, and when K2> K1, maintenance is performed in the order of the total weight bearing from big to small.
5. The method for highway construction and maintenance according to claim 3, wherein when said ith road section is constructed and maintained, according to the position information of the road section, the road sections with high urgency levels Gi-1 and Gi +1 of highway construction and maintenance of the i-1 th road section and the i +1 th road section which are adjacent to each other are firstly maintained.
6. A method of highway construction maintenance according to claim 5 wherein said maintenance comprises a crack-filling method, a thin-layer overlay method, a surface-sealing method and/or a regenerative-type method.
7. The method of highway construction maintenance according to claim 1,
setting the flatness information to be judged by adopting flatness grades, wherein the flatness grades comprise a first grade PL1, a second grade PL2 and a third grade PL3, and assigning a value of 1 to the first grade, a value of 2 to the second grade and a value of 3 to the third grade respectively; the first grade represents that the current road section is flat, the second grade represents that the current road section is not flat and is not maintained, and the third grade represents that maintenance construction is in progress;
the road flatness P adopts the following expression:
P＝(P1L+P2L+……+PNL)/N (4)
in the formula, P1L represents the flatness level assignment corresponding to the first road segment, P2L represents the flatness level assignment corresponding to the second road segment, and PNL represents the flatness level assignment corresponding to the nth road segment;
road distressing degree D ═ (D1+ D2+ … … + DN)/N (5)
The road maintenance urgency degree G is k3 XP + k4 XD, k3 and k4 are constants, and k3+ k4 is 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568451.0A CN111626451B (en) | 2020-06-19 | 2020-06-19 | Highway construction and maintenance method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010568451.0A CN111626451B (en) | 2020-06-19 | 2020-06-19 | Highway construction and maintenance method |
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| CN113344228A (en) * | 2021-06-18 | 2021-09-03 | 中铁二十局集团有限公司 | Running road maintenance method and system based on operation data |
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