| Aggregate gradation design of asphalt mixture with stone-to-stone contact based on fuller＇s model |
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| 引用本文： | 王立久,刘慧,赵善宇.Aggregate gradation design of asphalt mixture with stone-to-stone contact based on fuller＇s model[J].上海大学学报(英文版),2010,14(5):387-390. |
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| 作者姓名： | 王立久 刘慧 赵善宇 |
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| 基金项目： | Project supported by the National Mega-Project of Scientific and Technical Programs of Ministry of Science and Technology
of China (Grant No.2006BAJ05B07) |
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| 摘 要： | Based on Fuller＇s model, a gradation design is presented for the load-carrying capacity of an asphalt mixture with stone-to-stone contact. The coarse aggregate gradation, fine aggregate and filler gradation are respectively designed for their different effects on an asphalt mixture with stone-to-stone contact. The equation of coarse aggregate gradation is deduced from the Fuller＇s model. Fine aggregate gradation is calculated by using Fuller＇s equation. The asphalt mixture with the 16 mm maximum size of aggregate is verified. When the coefficient of coarse aggregate gradation is 0.35 and fine aggregate gradation is 0.25, the volume parameters of asphalt mixture meet the technical specifications. Moreover, the high temperature stability and crack resistance at low temperature are all well.
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| 关 键 词： | 沥青混合料 骨料级配 分级设计 模型 石材 低温抗裂性能 集料级配 高温稳定性 |
| 收稿时间： | 2009-04-16 |
| 修稿时间： | 2010-01-04 |
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