Characterization of contact chain network for asphalt mixture compaction process based on complex network theory

IF 4.6 2区工程技术 Q2 ENGINEERING, CHEMICAL Powder Technology Pub Date : 2025-01-08 DOI:10.1016/j.powtec.2025.120622

Wan Dai , Guoping Qian , Huanan Yu , Jinguo Ge , Yixiong Zhong , Chao Zhang , Hongyu Zhou

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Abstract

This research analyzed the characteristics of aggregate contact chain networks based on complex network theory. The contact chain network was extracted using Digital Image Processing (DIP) technology and Three-Dimensional (3D) reconstruction technology. The change rule of the contact chain network of asphalt mixture was analyzed using the complex network theory. From the results of the analysis, the filling particles existed during the compaction. The 4.75–9.5 mm and 9.5–13.2 mm aggregates may rotate to increase the stability of the skeleton structure. The clustering coefficient of the aggregate increased as the asphalt mixture was compacted, and the aggregate with a small size had a larger clustering coefficient. The distribution of shortest path length in each compaction stage obeyed the Gaussian distribution. The average shortest path length decreased with the increase of the compactness of the specimen, indicating that there was a good correlation between shortest path length and compactness.

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基于复杂网络理论的沥青混合料压实过程接触链网络表征

基于复杂网络理论，分析了聚合接触链网络的特性。采用数字图像处理（DIP）技术和三维（3D）重建技术提取接触链网络。运用复杂网络理论分析了沥青混合料接触链网络的变化规律。分析结果表明，充填颗粒在压实过程中存在。4.75-9.5 mm和9.5-13.2 mm的骨料可以旋转以增加骨架结构的稳定性。随着沥青混合料的压实，集料的聚类系数增大，且集料粒径越小，聚类系数越大。各压缩阶段最短路径长度的分布服从高斯分布。平均最短路径长度随试件压实度的增加而减小，说明最短路径长度与压实度之间存在较好的相关性。

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来源期刊

Powder Technology 工程技术-工程：化工

CiteScore

9.90

自引率

15.40%

发文量

1047

审稿时长

46 days

期刊介绍： Powder Technology is an International Journal on the Science and Technology of Wet and Dry Particulate Systems. Powder Technology publishes papers on all aspects of the formation of particles and their characterisation and on the study of systems containing particulate solids. No limitation is imposed on the size of the particles, which may range from nanometre scale, as in pigments or aerosols, to that of mined or quarried materials. The following list of topics is not intended to be comprehensive, but rather to indicate typical subjects which fall within the scope of the journal's interests: Formation and synthesis of particles by precipitation and other methods. Modification of particles by agglomeration, coating, comminution and attrition. Characterisation of the size, shape, surface area, pore structure and strength of particles and agglomerates (including the origins and effects of inter particle forces). Packing, failure, flow and permeability of assemblies of particles. Particle-particle interactions and suspension rheology. Handling and processing operations such as slurry flow, fluidization, pneumatic conveying. Interactions between particles and their environment, including delivery of particulate products to the body. Applications of particle technology in production of pharmaceuticals, chemicals, foods, pigments, structural, and functional materials and in environmental and energy related matters. For materials-oriented contributions we are looking for articles revealing the effect of particle/powder characteristics (size, morphology and composition, in that order) on material performance or functionality and, ideally, comparison to any industrial standard.

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