A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Research on Design and Performance of Microsurfacing Asphalt Mixture with Waste Glass Aggregate
Waste glass as a solid waste is urgently needed to utilize and alleviate the shortage of natural aggregate. In this paper, a styrene-butadiene rubber (SBR) modified emulsified asphalt microsurfacing mixture was prepared by partially replacing basalt aggregate with waste glass, and the interlayer shear resistance and night visibility were explored. The optimum content of SBR was determined by evaluating the properties of SBR-modified emulsified asphalt. The wet track abrasion and load wheel test were chosen to optimize the content of asphalt. Moreover, Leutner shear strength was measured to characterize the interlayer shear resistance, and the night visibility was certified through qualitative and quantitative methods. The experimental results indicate that modified emulsified asphalt exhibits good properties when the dosage of SBR is 4%. The addition of waste glass exerts a certain weakening effect on interlayer shear resistance of the microsurfacing mixture, but the adverse impact could be neglected when the content of coarse and fine waste glass is less than 15%. The night visibility is improved significantly when the waste glass is added; the retroreflection coefficients are 52.2 and , respectively, when the content of waste glass fine aggregate and waste glass coarse aggregate reaches 20%, and the reflective effect brought by waste glass fine aggregate is more remarkable. The application of waste glass in the microsurfacing mixture realizes the resource utilization of solid waste, provides a safe environment for driving at night, and achieves the effects of traffic guidance and landscape.
Research on Design and Performance of Microsurfacing Asphalt Mixture with Waste Glass Aggregate
Waste glass as a solid waste is urgently needed to utilize and alleviate the shortage of natural aggregate. In this paper, a styrene-butadiene rubber (SBR) modified emulsified asphalt microsurfacing mixture was prepared by partially replacing basalt aggregate with waste glass, and the interlayer shear resistance and night visibility were explored. The optimum content of SBR was determined by evaluating the properties of SBR-modified emulsified asphalt. The wet track abrasion and load wheel test were chosen to optimize the content of asphalt. Moreover, Leutner shear strength was measured to characterize the interlayer shear resistance, and the night visibility was certified through qualitative and quantitative methods. The experimental results indicate that modified emulsified asphalt exhibits good properties when the dosage of SBR is 4%. The addition of waste glass exerts a certain weakening effect on interlayer shear resistance of the microsurfacing mixture, but the adverse impact could be neglected when the content of coarse and fine waste glass is less than 15%. The night visibility is improved significantly when the waste glass is added; the retroreflection coefficients are 52.2 and , respectively, when the content of waste glass fine aggregate and waste glass coarse aggregate reaches 20%, and the reflective effect brought by waste glass fine aggregate is more remarkable. The application of waste glass in the microsurfacing mixture realizes the resource utilization of solid waste, provides a safe environment for driving at night, and achieves the effects of traffic guidance and landscape.
Research on Design and Performance of Microsurfacing Asphalt Mixture with Waste Glass Aggregate
J. Mater. Civ. Eng.
Fan, Yansong (author) / Chen, Meizhu (author) / Liu, Wei (author) / Lv, Zhenglong (author) / Cheng, Ming (author) / Zhang, Jianwei (author)
2024-10-01
Article (Journal)
Electronic Resource
English
Performance evaluation of microsurfacing mixture containing reclaimed asphalt pavement
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