CN-121981600-A - Asphalt pavement compaction quality evaluation method, system, equipment and storage medium

CN121981600ACN 121981600 ACN121981600 ACN 121981600ACN-121981600-A

Abstract

A method for evaluating compaction quality of asphalt pavement includes selecting representative road sections to construct experimental road sections on construction sites, compacting the experimental road sections by different rolling passes, measuring compaction degree after each rolling pass is completed to obtain compaction degree data corresponding to the different rolling passes of the experimental road sections, analyzing variation trend of the compaction degree data corresponding to the different rolling passes to determine optimal rolling passes, taking the compaction degree corresponding to the optimal rolling passes as a reference value, calculating compaction degree differences between other rolling passes and the optimal rolling passes, determining process weights of the different rolling passes according to the compaction degree differences, calculating the ratio of the area of a pavement occupied by the different rolling passes to the area of the whole pavement, and calculating the comprehensive evaluation index of compaction quality of the whole asphalt pavement by combining the process weights of the different rolling passes. The invention can realize comprehensive quantitative evaluation of compaction quality and has stronger adaptability.

Inventors

XIA XIAOHUA
YAN YUQIAO
DUAN ZHIWEI
Miao Longlong
Huo Zhimiao

Assignees

长安大学

Dates

Publication Date: 20260505
Application Date: 20260113

Claims (10)

1. A method for evaluating compaction quality of an asphalt pavement, comprising: Selecting a representative road section to construct an experimental road section at a construction site; compacting the test road sections by different rolling passes; after each rolling pass is completed, compaction degree measurement is carried out, and compaction degree data corresponding to different rolling passes of the experimental road section are obtained; Analyzing the variation trend of compaction degree data corresponding to different rolling times, and determining the optimal rolling times; taking the compaction degree corresponding to the optimal compaction time as a reference value, calculating the compaction degree difference between other compaction times and the optimal compaction time, and determining the process weights of different compaction times according to the compaction degree difference; and counting the ratio of the area of the road surface occupied by different rolling passes to the area of the whole road surface area, and calculating the comprehensive evaluation index of the compaction quality of the whole asphalt road surface by combining the process weights of different rolling passes.
2. The method for evaluating compaction quality of an asphalt pavement according to claim 1, wherein in the step of selecting a representative road section to construct an experimental road section at a construction site, the representative road section can reflect actual construction conditions, the road section width can cover the whole width of the compaction of the road roller, and the length can support compaction of the road roller in different compaction passes; The actual construction conditions comprise base material, asphalt mixture type, paving thickness and temperature conditions.
3. The method for evaluating the compaction quality of the asphalt pavement according to claim 1, wherein in the step of compacting the experimental road section by different rolling passes, the experimental road section is divided into a plurality of areas, the compaction is performed by different rolling passes in the different areas divided by the experimental road section, and after each rolling pass is completed, compaction degree measurement is performed on the corresponding area of the experimental road section and recorded respectively, so as to obtain compaction degree data corresponding to the different rolling passes of the experimental road section.
4. The method for evaluating the compaction quality of the asphalt pavement according to claim 1, wherein in the step of compacting the asphalt pavement on the experimental road section by different rolling passes, the compaction is sequentially performed on the experimental road section by different rolling passes according to the order of the rolling passes from low to high, and compaction degree data corresponding to the different rolling passes of the experimental road section are obtained by recording one by one.
5. The method for evaluating compaction quality of an asphalt pavement according to claim 1, wherein in the step of analyzing the change trend of compaction degree data corresponding to different rolling passes and determining the optimal rolling pass, the compaction degree data corresponding to the different rolling passes are drawn into a curve, the change trend of the curve is analyzed, the compaction degree is gradually increased along with the increase of the rolling passes until the curve reaches a stable value or an inflection point with slow compaction degree increase occurs, and the corresponding rolling passes meet the compaction degree requirement of an experimental road section; The optimal rolling pass is the pass without excessive rolling while ensuring that the compactness reaches the requirement.
6. The method for evaluating compaction quality of an asphalt pavement according to claim 1, wherein in the step of determining process weights of different rolling passes according to the compaction degree differences between other rolling passes and the optimal rolling passes by taking the compaction degree corresponding to the optimal rolling pass as a reference value, the compaction degree differences between the other rolling passes and the optimal rolling passes are added to obtain a sum of the compaction degree differences, the compaction degree differences between the other rolling passes and the optimal rolling passes are divided by the sum of the compaction degree differences, weight values corresponding to the different rolling passes are obtained through normalization, the weight value of the process weight is larger when the compaction degree difference between the rolling passes is larger, the weight value corresponding to the optimal rolling passes is 0, and the sum of all the weight values is 1.
7. The method for evaluating the compaction quality of an asphalt pavement according to claim 6, wherein in the step of calculating the overall compaction quality comprehensive evaluation index of the asphalt pavement by counting the ratio of the area of the pavement occupied by different rolling passes to the area of the whole pavement, and combining the process weights of the different rolling passes, the calculation expression is as follows: In the formula, A cost value; For rolling and repeating; is the optimal rolling time; is a weight value; for the ratio of the area of the road surface occupied by the corresponding rolling pass to the area of the whole road surface area, the method is calculated according to the following formula: In the formula, The area of the road surface area occupied by the corresponding rolling pass is calculated; Is the whole pavement area; the cost value Smaller represents better compaction quality of the whole asphalt pavement by comparing cost value And determining an optimal rolling construction scheme.
8. An asphalt pavement compaction quality evaluation system, comprising: The experimental road section construction module is used for selecting a representative road section to construct an experimental road section on a construction site; the rolling pass control module is used for compacting on the experimental road section with different rolling passes; The compaction degree measurement module is used for carrying out compaction degree measurement after each rolling time is completed, and obtaining compaction degree data corresponding to different rolling times of the experimental road section; The optimal rolling time determining module is used for analyzing the variation trend of the compaction degree data corresponding to different rolling times and determining the optimal rolling time; the process weight determining module is used for taking the compaction degree corresponding to the optimal compaction time as a reference value, calculating the compaction degree difference between other compaction times and the optimal compaction time, and determining the process weights of different compaction times according to the compaction degree difference; The compaction quality calculation and evaluation module is used for counting the ratio of the area of the road surface area occupied by different rolling passes to the area of the whole road surface area, and calculating the compaction quality comprehensive evaluation index of the whole asphalt road surface by combining the process weights of different rolling passes.
9. An electronic device comprising a processor and a memory, the processor being configured to execute a computer program stored in the memory to implement the asphalt pavement compaction quality evaluation method according to any one of claims 1 to 7.
10. A computer readable storage medium having stored therein at least one instruction for execution by a processor in an electronic device to implement the asphalt pavement compaction quality evaluation method according to any one of claims 1 to 7.

Description

Asphalt pavement compaction quality evaluation method, system, equipment and storage medium Technical Field The invention belongs to the technical field of asphalt pavement construction quality evaluation, and particularly relates to an asphalt pavement compaction quality evaluation method, an asphalt pavement compaction quality evaluation system, an asphalt pavement compaction quality evaluation equipment and a storage medium. Background The existing compactness detection method has the defects that single-point detection cannot fully reflect the pavement compaction quality and the like, and takes the core drilling method for detecting the compactness of an asphalt pavement as an example, a small amount of core samples are drilled in a limited area, the compactness is calculated by measuring the gross volume relative density of the core samples and the indoor maximum theoretical relative density, the problems that single-point sampling is insufficient in representativeness and the whole pavement compaction quality is difficult to fully reflect exist, and the single-point destructive detection mode is low in efficiency and limited in representativeness, and is difficult to capture the compactness distribution and fluctuation of the pavement on the spatial scale, so that the comprehensive and accurate construction quality is seriously influenced. Therefore, under the condition that the space variability of the pavement material or the compaction process is different, the actual compaction state of the whole road section is difficult to comprehensively represent only through a limited core sample, and quality misjudgment or defect omission is easily caused. In view of this, existing conventional core drilling methods have significant shortcomings in fully assessing road surface compaction uniformity and overall quality. Disclosure of Invention The invention aims to provide an asphalt pavement compaction quality evaluation method, an asphalt pavement compaction quality evaluation system, an asphalt pavement compaction quality evaluation equipment and an asphalt pavement compaction quality storage medium, which are used for realizing comprehensive quantitative evaluation of compaction quality and have stronger adaptability, aiming at the problems that a limited core sample in the prior art is difficult to comprehensively represent the actual compaction state of the whole road section and a core drilling method can cause pavement damage and low efficiency. In order to achieve the above purpose, the present invention has the following technical scheme: In a first aspect, there is provided a method for evaluating compaction quality of an asphalt pavement, comprising: Selecting a representative road section to construct an experimental road section at a construction site; compacting the test road sections by different rolling passes; after each rolling pass is completed, compaction degree measurement is carried out, and compaction degree data corresponding to different rolling passes of the experimental road section are obtained; Analyzing the variation trend of compaction degree data corresponding to different rolling times, and determining the optimal rolling times; taking the compaction degree corresponding to the optimal compaction time as a reference value, calculating the compaction degree difference between other compaction times and the optimal compaction time, and determining the process weights of different compaction times according to the compaction degree difference; and counting the ratio of the area of the road surface occupied by different rolling passes to the area of the whole road surface area, and calculating the comprehensive evaluation index of the compaction quality of the whole asphalt road surface by combining the process weights of different rolling passes. As a preferable scheme, in the step of selecting a representative road section to construct an experimental road section on a construction site, the representative road section can reflect actual construction conditions, the road section width can cover the whole rolling width of the road roller, and the length can support compaction of the road roller in different rolling passes; The actual construction conditions comprise base material, asphalt mixture type, paving thickness and temperature conditions. As a preferable scheme, in the step of compacting by different rolling passes on the experimental road section, the experimental road section is divided into a plurality of areas, the compaction is performed by different rolling passes on different areas divided by the experimental road section, after each rolling pass is completed, compaction degree measurement is performed on the corresponding area of the experimental road section and recorded respectively, and compaction degree data corresponding to different rolling passes of the experimental road section are obtained. As a preferable scheme, in the step of compacting by different r