Method, device and equipment for determining asphalt binder type and storage medium

Abstract

The application relates to a method, device, equipment and storage medium for determining the type of asphalt binder. The method comprises the following steps: determining a reference meteorological station corresponding to a target road and acquiring reference meteorological data from the reference meteorological station; the target road is in a misalignment meteorological range of the reference meteorological station; determining temperature difference data between the target road and the reference meteorological station according to position data corresponding to the target road and position data corresponding to the reference meteorological station; determining target meteorological data corresponding to the target road according to the temperature difference data and the reference meteorological data acquired from the reference meteorological station; and determining the type of asphalt binder corresponding to the target road according to the target meteorological data corresponding to the target road. When there is no suitable meteorological data for the target road, the application determines the temperature difference data to correct the reference meteorological data, obtains target meteorological data, and accurately determines the type of asphalt binder corresponding to the target road based on the target meteorological data.

Description

Technical Field

[0001] This application relates to the field of road engineering technology, and in particular to a method, apparatus, equipment and storage medium for determining the type of asphalt binder. Background Technology

[0002] In the field of road engineering, asphalt binder is a material used for paving roads. To ensure the road performance of asphalt binders and extend the service life of roads, it is necessary to select a suitable asphalt binder before paving. The Road Performance Classification (PG) specification for asphalt binders proposed by the Strategic Highway Research Program (SHRP) in the United States provides an important basis for the design and construction of asphalt pavements. The PG classification uses the design service temperature to indicate the applicable range of asphalt binders. The design service temperature includes the maximum design temperature and the minimum design temperature. For example, in PG 70-22, 70 indicates a maximum design temperature of 70°C, and -22 indicates a minimum design temperature of -22°C. The maximum design temperature is related to the 7-day maximum average pavement temperature, and the minimum design temperature is related to the annual extreme minimum pavement temperature. That is to say, meteorological data is needed to support the determination of the PG classification of asphalt binders.

[0003] However, in some application scenarios, the inability to obtain suitable meteorological data can prevent the determination of the PG (Precipitation Grade) of the asphalt binder, thus affecting the engineering quality of the asphalt pavement. For example, if there is no meteorological station at the project location, there is no meteorological data available for determining the PG grade of the asphalt binder. Alternatively, the available meteorological data at the project location may be insufficient, rendering the data unreliable. Summary of the Invention

[0004] This application provides a method, apparatus, equipment, and storage medium for determining the type of asphalt binder, in order to solve the problem that the PG classification of asphalt binder cannot be determined due to the inability to obtain suitable meteorological data.

[0005] To address the aforementioned technical problems, the technical solution of this application is provided through the following embodiments:

[0006] This application provides a method for determining the type of asphalt binder, comprising: determining a reference weather station corresponding to a target road and obtaining reference meteorological data from the reference weather station; wherein the target road is within the inaccurate meteorological range of the reference weather station; determining temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station; determining target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference weather station and the reference meteorological data obtained from the reference weather station; and determining the type of asphalt binder corresponding to the target road based on the target meteorological data corresponding to the target road.

[0007] The step of determining the reference weather station corresponding to the target road includes: acquiring the location data corresponding to the target road and the location data corresponding to each preset weather station; wherein the target road is within the inaccurate meteorological range of each weather station; and determining the reference weather station corresponding to the target road among the various weather stations based on the location data corresponding to the target road and the location data corresponding to each weather station.

[0008] The location data includes altitude data and coordinate data. The step of determining a reference meteorological station for the target road based on the location data corresponding to the target road and the location data corresponding to each meteorological station includes: comparing the altitude data corresponding to the target road with multiple pre-divided altitude intervals; if the altitude data corresponding to the target road falls within an altitude interval, determining meteorological stations within a preset range of the target road based on the coordinate data corresponding to the target road and the coordinate data corresponding to each meteorological station; and, based on the altitude data corresponding to the target road and the altitude data corresponding to the meteorological stations within the preset range of the target road, determining meteorological stations whose altitude difference from the target road is less than an altitude difference threshold among the meteorological stations within the preset range of the target road, and using these as reference meteorological stations for the target road.

[0009] The step of determining, based on the altitude data corresponding to the target road and the altitude data corresponding to meteorological stations within a preset range of the target road, the meteorological stations within the preset range of the target road whose altitude difference with the target road is less than an altitude difference threshold include: when there are multiple meteorological stations whose altitude difference with the target road is less than the altitude difference threshold, for each meteorological station, acquiring the climate data corresponding to the target road and the climate data corresponding to the meteorological station, and determining the similarity between the climate data corresponding to the target road and the climate data corresponding to the meteorological station; and determining the meteorological station with the highest similarity as the reference meteorological station corresponding to the target road.

[0010] The location data includes altitude data and coordinate data. The step of determining a reference meteorological station for the target road based on the location data corresponding to the target road and the location data corresponding to each meteorological station includes: comparing the altitude data corresponding to the target road with multiple pre-divided altitude intervals; dividing the target road into multiple road segments if the altitude data corresponding to the target road falls within multiple altitude intervals; wherein adjacent road segments fall within different altitude intervals; for each road segment, determining meteorological stations within a preset range of the road segment based on the coordinate data corresponding to the road segment and the coordinate data corresponding to each meteorological station; and determining, among the meteorological stations within the preset range of the road segment, a meteorological station whose altitude difference from the road segment is less than an altitude difference threshold, as the reference meteorological station for the road segment; wherein all reference meteorological stations corresponding to the multiple road segments are used as the reference meteorological station for the target road.

[0011] The step of determining, based on the elevation data corresponding to the road segment and the elevation data corresponding to meteorological stations within a preset range of the road segment, that the elevation difference between the meteorological stations within the preset range of the road segment and the target road is less than an elevation difference threshold includes: when there are multiple meteorological stations with an elevation difference less than the elevation difference threshold between the road segment and the target road segment, acquiring, for each meteorological station, the climate data corresponding to the road segment and the climate data corresponding to the meteorological station, and determining the similarity between the climate data corresponding to the road segment and the climate data corresponding to the meteorological station; and determining the meteorological station with the highest similarity as the reference meteorological station corresponding to the road segment.

[0012] The location data includes altitude data. Determining the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station includes: when the target road corresponds to one reference weather station, determining the temperature difference data between the target reference point and the reference weather station based on the altitude data corresponding to the target reference point on the target road, the altitude data corresponding to the reference weather station, and a preset altitude-temperature change gradient; or, when the target road corresponds to multiple reference weather stations, for each segment of the target road, determining the temperature difference data between the target reference point and the reference weather station corresponding to the segment based on the altitude data corresponding to the target reference point on the segment, the altitude data corresponding to the reference weather station, and the altitude-temperature change gradient; wherein the target road includes multiple segments, and adjacent segments are located in different altitude ranges.

[0013] This application embodiment also provides an apparatus for determining the type of asphalt binder, comprising: a determination and acquisition module, configured to determine a reference weather station corresponding to a target road and acquire reference meteorological data from the reference weather station; wherein the target road is within the inaccurate meteorological range of the reference weather station; a first determination module, configured to determine temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station; a second determination module, configured to determine target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference weather station and the reference meteorological data acquired from the reference weather station; and a third determination module, configured to determine the type of asphalt binder corresponding to the target road based on the target meteorological data corresponding to the target road.

[0014] This application embodiment also provides an asphalt binder type determination device, comprising: at least one communication interface; at least one bus connected to the at least one communication interface; at least one processor connected to the at least one bus; and at least one memory connected to the at least one bus, wherein the processor is configured to execute an asphalt binder type determination program stored in the memory to implement the asphalt binder type determination method described in any of the above claims.

[0015] This application also provides a computer-readable storage medium storing computer-executable instructions, which are executed to implement the method for determining the asphalt binder type described in any of the preceding claims.

[0016] Compared with the prior art, the technical solution provided in this application has the following advantages: The method provided in this application can determine the reference meteorological station corresponding to the target road and obtain reference meteorological data from the reference meteorological station; wherein, the target road is within the inaccurate meteorological range of the reference meteorological station; based on the location data corresponding to the target road and the location data corresponding to the reference meteorological station, the temperature difference data between the target road and the reference meteorological station is determined; based on the temperature difference data between the target road and the reference meteorological station and the reference meteorological data obtained from the reference meteorological station, the target meteorological data corresponding to the target road is determined; based on the target meteorological data corresponding to the target road, the asphalt binder type corresponding to the target road is determined. In cases where there is no suitable meteorological data for the target road, for example: there is no meteorological data at the location of the target road, the amount of meteorological data is too small, or the altitude difference between the meteorological station that can cover the target road and the target road is too large, resulting in inaccurate meteorological data, the maximum and minimum design temperatures of the target road cannot be determined due to the lack of suitable meteorological data, thus making it impossible to accurately obtain the asphalt binder type corresponding to the target road. To address this issue, this application embodiment obtains reference meteorological data monitored by a reference meteorological station. Based on the location difference between the reference meteorological station and the target road, it determines the temperature difference data between the reference meteorological station and the target road. Then, it uses this temperature difference data to correct the reference meteorological data to obtain the target meteorological data corresponding to the target road. Based on this target meteorological data, it can accurately determine the type of asphalt binder corresponding to the target road, ensuring the accuracy of material usage for the target road and guaranteeing the construction quality of the target road. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0020] Figure 1This is a flowchart of a method for determining the type of asphalt binder according to an embodiment of this application;

[0021] Figure 2 This is a flowchart illustrating the steps for determining a reference weather station according to an embodiment of this application;

[0022] Figure 3 A flowchart illustrating the steps for determining a reference weather station according to another embodiment of this application;

[0023] Figure 4 This is a schematic diagram showing the positional relationship between five weather stations and a target road according to an embodiment of this application;

[0024] Figure 5 This is a structural diagram of an apparatus for determining the type of asphalt binder according to an embodiment of this application;

[0025] Figure 6 This is a structural diagram of an apparatus for determining the type of asphalt binder according to an embodiment of this application. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0028] This application provides a method for determining the type of asphalt binder. For example... Figure 1 The diagram shown is a flowchart of a method for determining the type of asphalt binder according to an embodiment of this application.

[0029] Step S110: Determine the reference weather station corresponding to the target road and obtain reference meteorological data from the reference weather station; wherein the target road is within the inaccurate meteorological range of the reference weather station.

[0030] The target road refers to the road for which the asphalt binder type is to be determined. The target road can be a road in the design phase or a road for which asphalt binder will be laid.

[0031] A reference weather station is a weather station that provides reference for meteorological data of the target road. The reference weather station can be a pre-designated weather station or a weather station determined through data analysis.

[0032] Reference meteorological data refers to meteorological data from the location of a reference meteorological station. This meteorological data includes, but is not limited to, temperature.

[0033] Inaccurate meteorological range refers to the area where meteorological data is inaccurate. More specifically, inaccurate meteorological range refers to the area where meteorological stations cannot monitor meteorological data; or, where meteorological data can be monitored, but the amount of data is too small or the data is inaccurate.

[0034] For example, monitoring the area where the target road is located on a monthly basis results in too little meteorological data, which is not helpful for determining the type of asphalt binder.

[0035] In this embodiment of the application, by determining a reference weather station and obtaining reference meteorological data from the reference weather station, the problem of no suitable meteorological data for the target road is made up for, and the meteorological data of the target road is analyzed by using the reference meteorological data.

[0036] Step S120: Determine the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station.

[0037] Location data is used to represent the geographical location of the target road. Location data includes, but is not limited to, coordinate data and elevation data. Coordinate data includes, but is not limited to, latitude and longitude data.

[0038] Temperature difference data refers to the temperature difference between the target road and the reference weather station.

[0039] Specifically, since the target road is not a point location, a target reference point can be set on the target road, and the location data of the target reference point can be used as the location data corresponding to the target road. In this way, the temperature difference data between the target road and the reference weather station can be determined based on the location data corresponding to the target reference point on the target road and the location data corresponding to the reference weather station.

[0040] The location of the target reference point on the target road includes, but is not limited to: the starting position, the intermediate position, and the ending position.

[0041] In this embodiment of the application, the temperature difference between the target road and the reference weather station can be analyzed by using the location data of the target road and the location data of the reference weather station. This temperature difference can then be used to correct the reference weather data so that the corrected reference weather data is more consistent with the actual situation of the target road.

[0042] Step S130: Determine the target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference meteorological station and the reference meteorological data obtained from the reference meteorological station.

[0043] Reference meteorological data refers to the meteorological data used to determine the type of asphalt binder corresponding to the target road. Reference meteorological data includes, but is not limited to, the daily maximum and minimum temperatures at the reference weather station.

[0044] Target meteorological data refers to the meteorological data corresponding to the target road.

[0045] Since temperature difference data can reflect the temperature difference between the target road and the reference weather station, the temperature difference data can be adjusted based on the reference weather data to obtain the target weather data corresponding to the target road.

[0046] Step S140: Determine the asphalt binder type (PG grade) corresponding to the target road based on the target meteorological data corresponding to the target road.

[0047] In this embodiment, a reference weather station corresponding to the target road is determined, and reference meteorological data is obtained from the reference weather station. The target road is located within the inaccurate meteorological range of the reference weather station. Based on the location data corresponding to the target road and the location data corresponding to the reference weather station, temperature difference data between the target road and the reference weather station is determined. Based on the temperature difference data between the target road and the reference weather station, and the reference meteorological data obtained from the reference weather station, target meteorological data corresponding to the target road is determined. Based on the target meteorological data corresponding to the target road, the asphalt binder type corresponding to the target road is determined. In cases where suitable meteorological data for the target road is unavailable—for example, if there is no meteorological data for the location of the target road, the amount of meteorological data is too small, or the altitude difference between the meteorological station covering the target road and the target road is too large, resulting in inaccurate meteorological data—the lack of suitable meteorological data for the target road makes it impossible to determine the maximum and minimum design temperatures of the target road, thus making it impossible to accurately obtain the asphalt binder type corresponding to the target road. To address this issue, this application embodiment obtains reference meteorological data monitored by a reference meteorological station. Based on the location difference between the reference meteorological station and the target road, it determines the temperature difference data between the reference meteorological station and the target road. Then, it uses this temperature difference data to correct the reference meteorological data to obtain the target meteorological data corresponding to the target road. Based on this target meteorological data, it can accurately determine the type of asphalt binder corresponding to the target road, ensuring the accuracy of material usage for the target road and guaranteeing the construction quality of the target road.

[0048] To make the embodiments of this application easier to understand, the method for determining the asphalt binder type of the embodiments of this application will be further described below.

[0049] In this embodiment of the application, before determining the type of asphalt binder corresponding to the target road, it is necessary to first determine the reference weather station corresponding to the target road.

[0050] Method 1: A weather station that provides meteorological coverage of the target road and whose meteorological data monitoring accuracy exceeds a preset accuracy threshold and whose meteorological data volume exceeds a preset quantity threshold can be designated as the weather station corresponding to the target road. Meteorological coverage refers to the weather station's ability to monitor meteorological data in the area where the target road is located. If no weather station is available to provide meteorological coverage of the target road, a weather station that is closest to the target road and has the closest altitude to it can be designated as a reference weather station for the target road.

[0051] Method 2 involves acquiring the location data corresponding to the target road and the location data corresponding to each preset weather station; wherein the target road is within the inaccurate meteorological range of each weather station; based on the location data corresponding to the target road and the location data corresponding to each weather station, a reference weather station corresponding to the target road is determined among the various weather stations.

[0052] The target road being in the inaccurate meteorological range of each meteorological station means that: for each meteorological station, the target road is outside the meteorological coverage area of ​​that meteorological station; or, the meteorological data of the target road monitored by that meteorological station within the preset monitoring period is less than the quantity threshold; or, the monitoring accuracy of the target road monitored by that meteorological station is less than the accuracy threshold.

[0053] The endpoint of the monitoring period can be the current time, and the length of the monitoring period can be an empirical value or a value obtained through experiments. For example, the length of this monitoring period is 30 years.

[0054] Monitoring accuracy can be the ratio of the number of times meteorological data monitoring is correct to the total number of times meteorological data is monitored.

[0055] Both the quantity threshold and the accuracy threshold are empirical values ​​or values ​​obtained through experiments.

[0056] Furthermore, a weather station database can be pre-configured. This database can contain location and climate data for multiple weather stations. For example, it could contain location and climate data for weather stations in various regions of Asia, Europe, and so on. Based on the location data corresponding to the target road, the database can be used to retrieve location data for weather stations in the same region as the target road.

[0057] Furthermore, location data includes: elevation data and coordinate data. The types of coordinate data include, but are not limited to: latitude and longitude data and GPS (Global Positioning System) data. The location data corresponding to the weather station can be the location data of the weather station's actual location. The paving plan for the target road is known. The location data for the target road includes, but is not limited to: the location data corresponding to each reference point along the target road. A reference point is a point within the target road. The number of reference points along the target road is at least one. For example, a reference point can be set at preset road intervals, and location data can be set for that reference point.

[0058] Furthermore, the number of reference weather stations corresponding to the target road can be one or more. The following explains the cases where there is only one reference weather station and the cases where there are multiple reference weather stations.

[0059] First, let's explain the case where the number of reference weather stations is determined to be one.

[0060] Specifically, the elevation data corresponding to the target road can be compared with multiple pre-divided elevation intervals. If the elevation data corresponding to the target road falls within an elevation interval, the meteorological stations within the preset range of the target road are determined based on the coordinate data corresponding to the target road and the coordinate data corresponding to each meteorological station. Based on the elevation data corresponding to the target road and the elevation data corresponding to the meteorological stations within the preset range of the target road, the meteorological station with the smallest elevation difference from the target road is determined among the meteorological stations within the preset range of the target road and is used as the reference meteorological station corresponding to the target road. Alternatively, the meteorological station with an elevation difference less than an elevation difference threshold from the target road is determined and used as the reference meteorological station corresponding to the target road.

[0061] Figure 2 This is a flowchart illustrating the steps for determining a reference weather station according to an embodiment of this application.

[0062] Step S210: Compare the elevation data corresponding to the target road with the pre-divided multiple elevation intervals respectively.

[0063] The elevation data corresponding to the target road includes, but is not limited to, the elevation values ​​corresponding to multiple reference points along the target road.

[0064] The elevation is pre-divided into multiple altitude intervals, with consecutive endpoints between adjacent intervals. For example, multiple altitude intervals are [0-1000), [1000-2000), [2000-3000).

[0065] For each reference point on the target road, determine the altitude range to which the altitude value corresponding to that reference point belongs; determine whether the altitude values ​​corresponding to each reference point on the target road are all within the same altitude range; if the altitude values ​​corresponding to each reference point on the target road are all within the same altitude range, it can be determined that the altitude data corresponding to the target road is within the same altitude range.

[0066] Different altitude ranges reflect different altitude levels. The temperature varies between road sections at different altitude levels. By comparing the altitude data of each reference point on the target road with multiple pre-divided altitude ranges, it can be determined whether the target road as a whole is in the same altitude range. Subsequently, a reference weather station can be determined based on the altitude level of the target road to obtain meteorological data that is more in line with the actual road conditions.

[0067] Step S220: If the elevation data corresponding to the target road is within an elevation range, determine the meteorological stations within the preset range of the target road based on the coordinate data corresponding to the target road and the coordinate data corresponding to each meteorological station.

[0068] If the elevation data corresponding to the target road falls within a certain elevation range, a reference weather station can be determined for the target road.

[0069] Specifically, for each weather station, the distance between the target road and the weather station can be determined based on the coordinate data of the target road and the coordinate data of the weather station itself; and the weather stations within the preset range of the target road can be determined based on the distances of each weather station to the target road.

[0070] The preset range is used to distinguish available weather stations among various weather stations. Further, this preset range can be formed by connecting the coordinate data of each reference point along the target road to obtain a centerline, and then extending the preset range outwards to the left and right of this centerline to form an area. For example, the preset range can be an area extending 1000 kilometers to the left and 1000 kilometers to the right from each reference point along the target road, thereby identifying weather stations within the preset range of the target road and narrowing down the scope for determining reference weather stations.

[0071] Step S230: Based on the altitude data corresponding to the target road and the altitude data corresponding to the meteorological stations within the preset range of the target road, determine the meteorological stations within the preset range of the target road whose altitude difference with the target road is less than the altitude difference threshold, and use them as the reference meteorological stations corresponding to the target road.

[0072] The altitude difference refers to the difference between the altitude value of a target reference point on the target road and the altitude value of a weather station. The target reference point is one of the reference points on the target road. The location of the target reference point includes, but is not limited to, the starting, middle, or ending point of the target road.

[0073] The elevation difference threshold is used to measure whether the elevation difference between a target road and a weather station is within acceptable limits. The elevation difference threshold can be an empirical value or a value obtained through experiments.

[0074] In this embodiment, when there are many weather stations within the preset range of the target road, the weather station with the smallest elevation difference from the target road can be selected as the reference weather station. When there are few weather stations within the preset range of the target road, the weather station with an elevation difference from the target road less than the elevation difference threshold can be selected as the reference weather station.

[0075] Furthermore, if there are multiple weather stations whose altitude difference with the target road is less than the altitude difference threshold, for each weather station (for each weather station whose altitude difference with the target road is less than the altitude difference threshold), the climate data corresponding to the target road and the climate data corresponding to the weather station are obtained, and the similarity between the climate data corresponding to the target road and the climate data corresponding to the weather station is determined; the weather station with the highest similarity is determined as the reference weather station corresponding to the target road.

[0076] Climate data refers to data used to reflect climate characteristics. Climate data includes, but is not limited to, climate types and seasonal alternation types. Climate types include, but are not limited to, subtropical monsoon climate, tropical savanna climate, tropical monsoon climate, polar climate, and highland mountain climate. Seasonal alternation types include, but are not limited to, spring-summer-autumn-winter alternation types and dry-wet season alternation types.

[0077] Furthermore, for each weather station within the preset range of the target road, climate data corresponding to each weather station can be obtained from a preset weather station database. The climate data corresponding to the target road can be preset data.

[0078] Furthermore, for each weather station within the preset range of the target road, a preset similarity algorithm can be used to determine the similarity between the weather station's climate data and the target road's climate data. A higher similarity indicates that the climate corresponding to the weather station is more similar to the climate corresponding to the target road; a lower similarity indicates that the climate corresponding to the weather station is less similar to the climate corresponding to the target road.

[0079] In this embodiment of the application, among the meteorological stations within a preset range, the meteorological station with the smallest altitude difference from the target road is selected as the reference meteorological station, or the meteorological station with an altitude difference from the target road that is less than the altitude difference threshold is selected as the reference meteorological station. If there are multiple selected meteorological stations, the similarity between the climate data of each meteorological station and the climate data of the target road can be determined, and the meteorological station with the highest similarity is selected as the reference meteorological station. This ensures that the meteorological data monitored by the reference meteorological station can better represent the meteorological conditions of the target road, and avoids the reference meteorological station and the target road being in different climates, which would weaken the referenceability of the meteorological data.

[0080] Secondly, an explanation will be given for cases where multiple reference weather stations are identified.

[0081] Specifically, since the target road may be long in some cases, may pass through multiple regions, and may involve different altitudes, the altitude data corresponding to the target road can be compared with multiple pre-divided altitude intervals. If the altitude data of the target road falls within multiple altitude intervals, the target road is divided into multiple road segments, where adjacent road segments fall within different altitude intervals. For each road segment, based on the coordinate data of the road segment and the coordinate data of each weather station, weather stations within a preset range of the road segment are determined. Based on the altitude data of the road segment and the altitude data of the weather stations within the preset range of the road segment, the weather station with the smallest altitude difference from the road segment is determined as the reference weather station for that road segment; or, the weather station with an altitude difference less than an altitude difference threshold is determined as the reference weather station for the target road. All the reference weather stations corresponding to the multiple road segments are used as the reference weather station for the target road.

[0082] Figure 3 This is a flowchart illustrating the steps for determining a reference weather station according to another embodiment of this application. This process can be referred to... Figure 2 Each step is executed.

[0083] Step S310: Compare the elevation data corresponding to the target road with the pre-divided multiple elevation intervals respectively.

[0084] Step S320: If the elevation data corresponding to the target road falls within multiple elevation ranges, the target road is divided into multiple road segments; wherein adjacent road segments fall within different elevation ranges.

[0085] Because temperatures vary at different altitudes, the target road is divided into multiple consecutive segments by comparing its altitude data with multiple altitude ranges. Adjacent segments are located at different altitudes, making the reference weather stations determined in this way more reliable.

[0086] Step S330: For each road segment, determine the meteorological stations within the preset range of the road segment based on the coordinate data corresponding to the road segment and the coordinate data corresponding to each meteorological station.

[0087] For each road segment, the preset range corresponding to the reference point in the road segment can be determined based on the coordinate data; and the meteorological stations within the preset range of the road segment can be determined based on the coordinate data of each meteorological station.

[0088] Step S340: Based on the altitude data corresponding to the road segment and the altitude data corresponding to the meteorological stations within the preset range of the road segment, among the meteorological stations within the preset range of the road segment, determine the meteorological stations whose altitude difference with the road segment is less than the altitude difference threshold, and use them as the reference meteorological stations corresponding to the road segment; wherein, all the reference meteorological stations corresponding to the multiple road segments are used as the reference meteorological stations corresponding to the target road.

[0089] The reference weather stations corresponding to multiple road sections may be the same or different.

[0090] This application embodiment takes into account the impact of temperature differences at different altitudes on meteorological data. When the target road is located in multiple altitude ranges, it is divided into multiple continuous road segments at different altitude levels, making the determination of reference weather stations more targeted. Then, for each road segment, weather stations within a preset range are determined based on the coordinate data of the road segment and weather stations, narrowing the selection range of reference weather stations. Finally, the reference weather station corresponding to the road segment is determined using the altitude difference. This process allows different road segments to correspond to the same or different reference weather stations, so as to obtain suitable reference meteorological data for different road segments more accurately.

[0091] In this embodiment of the application, when there are multiple weather stations whose altitude difference with the road segment is less than the altitude difference threshold, for each weather station, the climate data corresponding to the road segment and the climate data corresponding to the weather station are obtained, and the similarity between the climate data corresponding to the road segment and the climate data corresponding to the weather station is determined; the weather station with the highest similarity is determined as the reference weather station corresponding to the road segment.

[0092] In this embodiment, for each road segment, if the length of the road segment is greater than a preset length threshold, the road segment can be divided into at least two sub-segments according to a preset division length. The length of the last sub-segment can be less than or equal to the division length. For each sub-segment, refer to... Figure 3 The process shown determines the corresponding reference weather station for each sub-segment, and the reference weather station for each sub-segment also serves as the reference weather station for the target road.

[0093] In this embodiment of the application, after determining the reference weather station corresponding to the target road, reference weather data can be obtained from the reference weather station; after obtaining the reference weather data, the temperature difference data between the target road and the reference weather station can be determined based on the location data corresponding to the target road and the location data corresponding to the reference weather station.

[0094] Reference meteorological data refers to meteorological data collected by a reference meteorological station at its location within a preset monitoring period. The end point of the monitoring period can be the current time, and the length of the monitoring period can be an empirical value or a value obtained through experiments. For example, the length of this monitoring period is 30 years.

[0095] Specifically, the altitude difference between the target road and the reference weather station can be determined based on the altitude data corresponding to the target road and the altitude data corresponding to the reference weather station; the temperature difference data corresponding to the altitude difference can be determined based on a preset altitude-temperature change gradient, and the obtained temperature difference data can be determined as the temperature difference data between the target road and the reference weather station.

[0096] The altitude-temperature gradient refers to the temperature change value for each preset altitude gradient change. Based on this altitude-temperature gradient, it can be determined that: with reference weather station altitude data as a baseline, for each preset altitude increase, the temperature decreases by a preset temperature change value; and for each preset altitude decrease, the temperature increases by a preset temperature change value. For example: with reference weather station altitude data as a baseline, for every 100m increase in altitude (altitude gradient), the temperature decreases by 0.6℃ (temperature change value), and for every 100m decrease in altitude, the temperature increases by 0.6℃.

[0097] Furthermore, if the target road corresponds to a reference weather station, the temperature difference data between the target reference point and the reference weather station is determined based on the altitude data corresponding to the target reference point on the target road, the altitude data corresponding to the reference weather station, and a preset altitude-temperature change gradient.

[0098] Furthermore, when the target road corresponds to multiple reference weather stations, for each segment of the target road, the temperature difference data between the target reference point and the reference weather station corresponding to the segment is determined based on the altitude data of the target reference point in the segment, the altitude data of the reference weather station, and the altitude-temperature change gradient; wherein the target road includes multiple segments, and adjacent segments are located in different altitude ranges. The reference weather stations corresponding to different segments may be the same or different.

[0099] Furthermore, the altitude data is the altitude value; the altitude-temperature change gradient includes the altitude gradient and the temperature change value; the altitude difference is obtained by subtracting the altitude value of the target reference point from the altitude value of the reference weather station; the altitude difference is then divided by the altitude gradient and multiplied by the temperature change value to obtain the temperature difference data.

[0100] Specifically, when the altitude of the reference weather station is lower than that of the target reference point, the temperature difference data is negative; when the altitude of the reference weather station is higher than that of the target reference point, the temperature difference data is positive.

[0101] In this embodiment of the application, after determining the temperature difference data between the target road and the reference weather station, the target meteorological data corresponding to the target road can be determined based on the temperature difference data between the target road and the reference weather station and the reference meteorological data obtained from the reference weather station.

[0102] The reference meteorological data refers to the meteorological data monitored by the reference meteorological station at its location within a preset monitoring period. This meteorological data can be temperature values.

[0103] Temperature difference data refers to the temperature difference between the target road and the reference weather station.

[0104] Furthermore, if the target road corresponds to a reference weather station, the temperature difference data is added to each temperature value in the reference weather data to obtain the target weather data corresponding to the target road.

[0105] Furthermore, when the target road corresponds to multiple reference meteorological stations, for each segment of the target road, the temperature difference data is added to each temperature value in the reference meteorological data corresponding to that segment to obtain the target meteorological data for that segment. The target meteorological data corresponding to each segment of the target road is then used as the target meteorological data for the target road itself.

[0106] In this embodiment of the application, after determining the target meteorological data corresponding to the target road, the asphalt binder type corresponding to the target road can be determined based on the target meteorological data corresponding to the target road.

[0107] Furthermore, if the target road corresponds to a reference weather station, the asphalt binder type corresponding to the target road as a whole can be determined based on the target meteorological data corresponding to the target road.

[0108] Furthermore, when the target road corresponds to multiple reference weather stations, the type of asphalt binder for each road segment can be determined based on the target meteorological data corresponding to that segment. In other words, different asphalt binder types can be used for different road segments, allowing each segment to adapt to different weather conditions.

[0109] Specifically, when determining the asphalt binder type based on target meteorological data, the following steps can be taken: First, determine the average 7-day maximum and minimum pavement temperatures corresponding to the target road based on the target meteorological data; obtain traffic volume forecast data corresponding to the target road, and determine the traffic load equivalent temperature based on the traffic volume forecast data; calibrate the average 7-day maximum pavement temperature using the traffic load equivalent temperature; determine the maximum design temperature based on the calibrated 7-day maximum pavement temperature, and determine the minimum design temperature based on the minimum pavement temperature; finally, determine the asphalt binder type corresponding to the target road based on the maximum and minimum design temperatures.

[0110] For example, the average 7-day maximum and minimum pavement temperatures for a target road can be determined using the following formula:

[0111] ;

[0112] in, This represents the average maximum pavement temperature over 7 days at the middle depth of the target road design layer (unit: °C). This represents the average of the highest temperatures over 7 days in a year (unit: °C). Indicates the latitude (unit: º) of the project (target reference point); Indicates the road surface distance between the design layers (unit: mm); The reliability coefficient represents the standard normal distribution, and is taken as 2.055 for 98% reliability. This represents the standard deviation of the highest temperature over 7 days in a year (unit: °C). and It can be a preset value.

[0113] Furthermore, the 7-day maximum temperature can be calculated from the target meteorological data by using a time window (7 days) to calculate the average of the daily maximum temperatures over each consecutive 7 days, and taking the maximum value as the corresponding 7-day maximum temperature for that year. Based on the corresponding 7-day maximum temperatures for each year, the average 7-day maximum temperature for the year can be calculated. and its standard deviation .

[0114] ;

[0115] in, Indicates the lowest pavement temperature at the top surface depth of the target road design layer (unit: °C); This represents the average annual minimum temperature (unit: °C). Indicates the latitude (unit: º) of the project (target reference point); Indicates the road surface distance between the design layers (unit: mm); The reliability coefficient represents the standard normal distribution, and is taken as 2.055 for 98% reliability. The standard deviation of the lowest annual temperature (unit: °C).

[0116] Furthermore, the annual minimum temperature can be determined from the target meteorological data by looking up the daily minimum temperatures for each day of the year and using this as the corresponding annual minimum temperature; then, the average annual minimum temperature can be calculated based on the corresponding daily minimum temperatures for each year. and its standard deviation .

[0117] After determining the average 7-day maximum and minimum pavement temperatures, the traffic load equivalent temperature can be determined based on the traffic volume forecast data corresponding to the target road. The traffic volume forecast data can be a pre-defined traffic load quantification index for the target road. For example, the traffic load quantification index could be the cumulative standard axle loads.

[0118] For example, you can look up the traffic load equivalent temperature corresponding to the cumulative standard axle number in Table 1 below.

[0119]

[0120] Table 1

[0121] For example: the cumulative standard number of axle cycles is 20 million, which can be converted to... The format is 20× Since n=20, which belongs to n<30, the equivalent temperature of traffic load can be obtained as 11.8.

[0122] After determining the equivalent temperature of traffic load, the average 7-day maximum pavement temperature can be calibrated. Furthermore, the average 7-day maximum pavement temperature can be calculated. Equivalent temperature of traffic load The sum of these values ​​is used as the calibration value for the average 7-day maximum road surface temperature.

[0123] After determining the calibration value of the average 7-day maximum pavement temperature, the maximum design temperature can be determined based on the calibrated average 7-day maximum pavement temperature, and the minimum design temperature can be determined based on the minimum pavement temperature.

[0124] Furthermore, considering the combined effects of pavement temperature and load, the calibrated average 7-day maximum and minimum pavement temperatures can be rounded up to obtain the maximum and minimum design temperatures. The rounding up process involves pre-setting multiple first value intervals, determining the maximum value of the first interval containing the calibrated average 7-day maximum pavement temperature as the maximum design temperature, and pre-setting multiple second value intervals, determining the minimum value of the second interval containing the minimum pavement temperature as the minimum design temperature.

[0125] For example: Table 2 is set as the maximum design temperature lookup table, and Table 3 is set as the minimum design temperature lookup table. The average 7-day maximum pavement temperature after calibration is determined (…). After that, the maximum design temperature is determined by referring to Table 2; after determining the minimum road surface temperature, the minimum design temperature is determined by referring to Table 3.

[0126]

[0127] Table 2

[0128]

[0129] Table 3

[0130] This application embodiment first identifies a reference meteorological station and obtains reference meteorological data from it, such as the daily maximum and minimum temperatures over 30 years. Based on the location data corresponding to the target road and the reference meteorological station, the temperature difference data between the target road and the reference meteorological station is determined. Combining the reference meteorological data with the temperature difference data yields relatively accurate target meteorological data for the target road or road segment. Finally, based on the target meteorological data, the asphalt binder type corresponding to the entire target road or different segments of the target road is determined, effectively ensuring the adaptability and stability of the target road under different meteorological conditions and improving the quality and durability of road construction.

[0131] For example, meteorological data is lacking for the target road to determine the required asphalt binder type. Within the preset range of the target road, five meteorological stations—A, B, C, D, and E—have sufficient meteorological data. Figure 4 This is a schematic diagram showing the positional relationship between five weather stations and a target road according to an embodiment of this application.

[0132] The elevation of the target road is between 2200m and 3600m.

[0133] Weather station A: Located at the same longitude as the target road, approximately 80km from the starting point of the target road, at an altitude of 391m.

[0134] Weather station B: It is located at a latitude close to the starting point of the target road, approximately 220 km from the starting point, at an altitude of 815 m.

[0135] Weather station C: It is located at a latitude close to the end of the target road, approximately 180km from the end point, at an altitude of 2183m.

[0136] Weather station D: It is located at a latitude close to the end of the target road, approximately 100km from the end point, at an altitude of 2800mm.

[0137] Weather station E: It is located at a latitude close to the end of the target road, approximately 90km from the end point, at an altitude of 2550m.

[0138] For the five weather stations A, B, C, D, and E, latitude data can be queried separately, and the average annual 7-day maximum temperature can be determined based on their respective historical meteorological data. Standard deviation of the highest temperature over 7 days in a year The average annual minimum temperature Standard deviation of annual minimum temperature Furthermore, based on this data, the average 7-day maximum road surface temperature of the weather station can be determined. and minimum road surface temperature Please refer to Table 4 for details. Table 4 uses the design level as the upper layer as an example.

[0139]

[0140] Table 4

[0141] Based on the data in Table 4, the PG classification (asphalt binder type) of the highways in the cities where the five meteorological stations A, B, C, D, and E are located can be determined. The specific results are shown in Table 5.

[0142]

[0143] Table 5

[0144] In Table 5, the PG classifications of weather stations A and B are significantly different from those of weather stations C, D, and E. The first two stations show higher temperatures and less pronounced low temperatures, while the latter three stations show more pronounced low temperatures and less severe high temperatures. During the research for this application, it was found that the difference in altitude is the main reason for the significant temperature differences among the five weather stations, and that temperature decreases with increasing altitude; for example, the temperature decreases by 0.6℃ for every 100m increase in altitude.

[0145] Weather station A has an altitude of 391m, weather station B has an altitude of 815m, weather station C has an altitude of 2183m, weather station D has an altitude of 2800m, and weather station E has an altitude of 2550m, while some sections of the target road have an altitude as high as 3600m. If only the distance to the target road is used as a reference condition, and weather station A, which is closest to the target road and has the same longitude as the target road, is selected as the reference weather station, the difference in altitude between the target road and weather station A will cause errors in the PG classification of the target road, ultimately resulting in poor road quality and a short service life. Since different altitudes lead to temperature differences, in this embodiment, among the weather stations within the preset range of the target road, weather stations A and B with low altitudes (i.e., weather stations with altitude differences greater than the altitude difference threshold) can be excluded first; among the remaining weather stations C, D, and E, the weather station with the smallest altitude difference from the target reference point on the target road can be selected as the reference weather station.

[0146] This application also provides a device for determining the type of asphalt binder. For example... Figure 5 The diagram shown is a structural diagram of an apparatus for determining the type of asphalt binder according to an embodiment of this application.

[0147] The device for determining the type of asphalt binder includes:

[0148] The determination and acquisition module 510 is used to determine the reference weather station corresponding to the target road and acquire reference meteorological data from the reference weather station; wherein the target road is within the inaccurate meteorological range of the reference weather station.

[0149] The first determining module 520 is used to determine the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station.

[0150] The second determining module 530 is used to determine the target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference meteorological station and the reference meteorological data obtained from the reference meteorological station.

[0151] The third determining module 540 is used to determine the type of asphalt binder corresponding to the target road based on the target meteorological data corresponding to the target road.

[0152] The functions of the apparatus described in this application embodiment have been described in the above method embodiments. Therefore, for any parts not detailed in the description of this embodiment, please refer to the relevant descriptions in the foregoing embodiments, which will not be repeated here.

[0153] This application also provides a device for determining the type of asphalt binder, such as... Figure 6 The diagram shown is a structural diagram of an equipment for determining the type of asphalt binder according to an embodiment of this application.

[0154] The device for determining the type of asphalt binder includes a processor 610, a communication interface 620, a memory 630, and a communication bus 640. The processor 610, communication interface 620, and memory 630 communicate with each other via the communication bus 640.

[0155] The memory 630 is used to store computer programs.

[0156] In one embodiment of this application, when the processor 610 executes the program stored in the memory 630, it implements the method for determining the asphalt binder type provided in any of the foregoing method embodiments, including: determining a reference weather station corresponding to a target road and obtaining reference meteorological data from the reference weather station; wherein the target road is within the inaccurate meteorological range of the reference weather station; determining temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station; determining target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference weather station and the reference meteorological data obtained from the reference weather station; and determining the asphalt binder type corresponding to the target road based on the target meteorological data corresponding to the target road.

[0157] The step of determining the reference weather station corresponding to the target road includes: acquiring the location data corresponding to the target road and the location data corresponding to each preset weather station; wherein the target road is within the inaccurate meteorological range of each weather station; and determining the reference weather station corresponding to the target road among the various weather stations based on the location data corresponding to the target road and the location data corresponding to each weather station.

[0158] The location data includes altitude data and coordinate data. The step of determining a reference meteorological station for the target road based on the location data corresponding to the target road and the location data corresponding to each meteorological station includes: comparing the altitude data corresponding to the target road with multiple pre-divided altitude intervals; if the altitude data corresponding to the target road falls within an altitude interval, determining meteorological stations within a preset range of the target road based on the coordinate data corresponding to the target road and the coordinate data corresponding to each meteorological station; and, based on the altitude data corresponding to the target road and the altitude data corresponding to the meteorological stations within the preset range of the target road, determining meteorological stations whose altitude difference from the target road is less than an altitude difference threshold among the meteorological stations within the preset range of the target road, and using these as reference meteorological stations for the target road.

[0159] The step of determining, based on the altitude data corresponding to the target road and the altitude data corresponding to meteorological stations within a preset range of the target road, the meteorological stations within the preset range of the target road whose altitude difference with the target road is less than an altitude difference threshold include: when there are multiple meteorological stations whose altitude difference with the target road is less than the altitude difference threshold, for each meteorological station, acquiring the climate data corresponding to the target road and the climate data corresponding to the meteorological station, and determining the similarity between the climate data corresponding to the target road and the climate data corresponding to the meteorological station; and determining the meteorological station with the highest similarity as the reference meteorological station corresponding to the target road.

[0160] The location data includes altitude data and coordinate data. The step of determining a reference meteorological station for the target road based on the location data corresponding to the target road and the location data corresponding to each meteorological station includes: comparing the altitude data corresponding to the target road with multiple pre-divided altitude intervals; dividing the target road into multiple road segments if the altitude data corresponding to the target road falls within multiple altitude intervals; wherein adjacent road segments fall within different altitude intervals; for each road segment, determining meteorological stations within a preset range of the road segment based on the coordinate data corresponding to the road segment and the coordinate data corresponding to each meteorological station; and determining, among the meteorological stations within the preset range of the road segment, a meteorological station whose altitude difference from the road segment is less than an altitude difference threshold, as the reference meteorological station for the road segment; wherein all reference meteorological stations corresponding to the multiple road segments are used as the reference meteorological station for the target road.

[0161] The step of determining, based on the elevation data corresponding to the road segment and the elevation data corresponding to meteorological stations within a preset range of the road segment, that the elevation difference between the meteorological stations within the preset range of the road segment and the target road is less than an elevation difference threshold includes: when there are multiple meteorological stations with an elevation difference less than the elevation difference threshold between the road segment and the target road segment, acquiring, for each meteorological station, the climate data corresponding to the road segment and the climate data corresponding to the meteorological station, and determining the similarity between the climate data corresponding to the road segment and the climate data corresponding to the meteorological station; and determining the meteorological station with the highest similarity as the reference meteorological station corresponding to the road segment.

[0162] The location data includes altitude data. Determining the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station includes: when the target road corresponds to one reference weather station, determining the temperature difference data between the target reference point and the reference weather station based on the altitude data corresponding to the target reference point on the target road, the altitude data corresponding to the reference weather station, and a preset altitude-temperature change gradient; or, when the target road corresponds to multiple reference weather stations, for each segment of the target road, determining the temperature difference data between the target reference point and the reference weather station corresponding to the segment based on the altitude data corresponding to the target reference point on the segment, the altitude data corresponding to the reference weather station, and the altitude-temperature change gradient; wherein the target road includes multiple segments, and adjacent segments are located in different altitude ranges.

[0163] This application also provides a computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements the steps of the method for determining the asphalt binder type as provided in any of the foregoing method embodiments. Since the method for determining the asphalt binder type has been described in detail above, any omissions or deficiencies in this embodiment can be found in the relevant descriptions in the foregoing embodiments, and will not be repeated here.

[0164] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0165] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented using software plus a general-purpose hardware platform, or of course, using hardware. Based on this understanding, the above technical solutions, in essence or the parts that contribute to the related technology, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0166] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0167] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A method for determining the type of asphalt binder, characterized in that, include: Identify the reference weather station corresponding to the target road and obtain reference meteorological data from the reference weather station; wherein the target road is located within the inaccurate meteorological range of the reference weather station; Based on the location data corresponding to the target road and the location data corresponding to the reference weather station, the temperature difference data between the target road and the reference weather station is determined; Based on the temperature difference data between the target road and the reference weather station, and the reference weather data obtained from the reference weather station, the target weather data corresponding to the target road is determined; Based on the target meteorological data corresponding to the target road, determine the type of asphalt binder corresponding to the target road.

2. The method according to claim 1, characterized in that, The reference weather station corresponding to the target road includes: The location data corresponding to the target road and the location data corresponding to each preset weather station are obtained; wherein, the target road is within the inaccurate meteorological range of each weather station; Based on the location data corresponding to the target road and the location data corresponding to each weather station, a reference weather station corresponding to the target road is determined among the weather stations.

3. The method according to claim 2, characterized in that, The location data includes: elevation data and coordinate data; The step of determining the reference weather station corresponding to the target road from among the various weather stations, based on the location data corresponding to the target road and the location data corresponding to each weather station, includes: The elevation data corresponding to the target road is compared with multiple pre-divided elevation intervals; If the elevation data corresponding to the target road is within an elevation range, the meteorological stations within the preset range of the target road are determined based on the coordinate data corresponding to the target road and the coordinate data corresponding to each meteorological station. Based on the altitude data corresponding to the target road and the altitude data corresponding to the meteorological stations within the preset range of the target road, among the meteorological stations within the preset range of the target road, the meteorological station whose altitude difference with the target road is less than the altitude difference threshold is determined as the reference meteorological station corresponding to the target road.

4. The method according to claim 3, characterized in that, The step of determining, based on the altitude data corresponding to the target road and the altitude data corresponding to weather stations within a preset range of the target road, which have an altitude difference less than an altitude difference threshold from the target road among the weather stations within the preset range of the target road, includes: If there are multiple weather stations whose altitude difference with the target road is less than the altitude difference threshold, for each weather station, obtain the climate data corresponding to the target road and the climate data corresponding to the weather station, and determine the similarity between the climate data corresponding to the target road and the climate data corresponding to the weather station. The weather station with the highest similarity is determined as the reference weather station for the target road.

5. The method according to claim 2, characterized in that, The location data includes: elevation data and coordinate data; The step of determining the reference weather station corresponding to the target road from among the various weather stations, based on the location data corresponding to the target road and the location data corresponding to each weather station, includes: The elevation data corresponding to the target road is compared with multiple pre-divided elevation intervals; If the elevation data corresponding to the target road falls within multiple elevation ranges, the target road is divided into multiple road segments; wherein adjacent road segments fall within different elevation ranges. For each road segment, the meteorological stations within the preset range of the road segment are determined based on the coordinate data corresponding to the road segment and the coordinate data corresponding to each meteorological station. Based on the elevation data corresponding to the road segment and the elevation data corresponding to the meteorological stations within the preset range of the road segment, among the meteorological stations within the preset range of the road segment, the meteorological stations whose elevation difference with the road segment is less than the elevation difference threshold are determined as the reference meteorological stations corresponding to the road segment; wherein, the reference meteorological stations corresponding to the multiple road segments are all used as the reference meteorological stations corresponding to the target road.

6. The method according to claim 5, characterized in that, The step of determining, based on the elevation data corresponding to the road segment and the elevation data corresponding to meteorological stations within a preset range of the road segment, meteorological stations within the preset range of the road segment whose elevation difference with the target road is less than an elevation difference threshold includes: If there are multiple weather stations whose altitude difference with the road segment is less than the altitude difference threshold, for each weather station, obtain the climate data corresponding to the road segment and the climate data corresponding to the weather station, and determine the similarity between the climate data corresponding to the road segment and the climate data corresponding to the weather station. The weather station with the highest similarity is determined as the reference weather station for the road segment.

7. The method according to claim 1, characterized in that, The location data includes: altitude data; The step of determining the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station includes: When the target road corresponds to a reference weather station, the temperature difference data between the target reference point and the reference weather station is determined based on the elevation data of the target reference point on the target road, the elevation data of the reference weather station, and a preset elevation-temperature change gradient; or, In the case where the target road corresponds to multiple reference weather stations, for each segment of the target road, the temperature difference data between the target reference point and the reference weather station corresponding to the segment is determined based on the altitude data of the target reference point in the segment, the altitude data of the reference weather station, and the altitude-temperature change gradient; wherein, the target road includes multiple segments, and adjacent segments are located in different altitude ranges.

8. A device for determining the type of asphalt binder, characterized in that, include: The determination and acquisition module is used to determine the reference weather station corresponding to the target road and acquire reference meteorological data from the reference weather station; wherein the target road is located within the inaccurate meteorological range of the reference weather station; The first determining module is used to determine the temperature difference data between the target road and the reference weather station based on the location data corresponding to the target road and the location data corresponding to the reference weather station; The second determining module is used to determine the target meteorological data corresponding to the target road based on the temperature difference data between the target road and the reference meteorological station and the reference meteorological data obtained from the reference meteorological station. The third determining module is used to determine the type of asphalt binder corresponding to the target road based on the target meteorological data corresponding to the target road.

9. A device for determining the type of asphalt binder, characterized in that, include: At least one communication interface; At least one bus connected to the at least one communication interface; At least one processor connected to the at least one bus; At least one memory connected to the at least one bus, wherein the processor is configured to execute a program for determining the type of asphalt binder stored in the memory to implement the method for determining the type of asphalt binder according to any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which are executed to implement the method for determining the type of asphalt binder according to any one of claims 1-7.

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