Optimized Proportioning Techniques and Roadway Performance Evaluation of Colored Asphalt Pavement Materials

Silin Fan, Shaopeng Zheng (), Jian Ma, Liangliang Chen, Xiao Li and Cheng Cheng ()
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Silin Fan: Construction Project Headquarters of Nujiang Beautiful Highway Greenway, Nujiang 673200, China
Shaopeng Zheng: Yunnan Provincial Transportation Planning and Design Research Institute Co., Ltd., Kunming 650000, China
Jian Ma: Construction Project Headquarters of Nujiang Beautiful Highway Greenway, Nujiang 673200, China
Liangliang Chen: Yunnan Provincial Transportation Planning and Design Research Institute Co., Ltd., Kunming 650000, China
Xiao Li: Yunnan Provincial Transportation Planning and Design Research Institute Co., Ltd., Kunming 650000, China
Cheng Cheng: School of Civil Engineering, Southwest Forestry University, Kunming 650224, China

Sustainability, 2024, vol. 16, issue 20, 1-22

Abstract: This study systematically investigated the formulation optimization, performance evaluation, and practical application of epoxy-based composite materials for colored asphalt pavement. By conducting comprehensive experiments, we optimized the composition of epoxy-based composites, verifying their excellent bonding performance, good heat resistance, and UV aging resistance under various temperature conditions. The key optimized component ratios were determined as a 1:1 blend of Type I and Type II epoxy resins, 30 phr of curing agent, 10 phr of toughening agent, 5 phr of diluent, 10% filler, 12% flame retardant, and 10% pigment. At the recommended dosage of 2.0 kg/m 2 of epoxy binder, the composite structure exhibited the best reinforcement effect, improving low-temperature performance significantly. Compared to ordinary asphalt mixtures, the colored pavement composite structure showed superior mechanical strength, deformation capacity, high-temperature stability (dynamic stability approximately three times higher), and water stability (TSR values up to 95.5%). Furthermore, its fatigue life decay rate was significantly lower, with fatigue limit loading frequencies more than three times those of ordinary asphalt mixtures, demonstrating excellent fatigue resistance. This study provides strong technical support and a theoretical basis for the development and practical application of colored asphalt pavement.

Keywords: colored asphalt pavement; pull-out test; fatigue performance; pavement performance evaluation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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