| 集料吸水率对沥青混合料最佳油石比的影响 |
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| 引用本文： | 杨瑞华,李宇峙,黄云涌.集料吸水率对沥青混合料最佳油石比的影响[J].长沙交通学院学报,2006,22(4):52-55. |
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| 作者姓名： | 杨瑞华 李宇峙 黄云涌 |
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| 作者单位： | 1. 同济大学,交通运输学院,上海,200092
2. 长沙理工大学,公路工程学院,湖南,长沙,410076 |
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| 摘 要： | 试验时发现集料吸水率对沥青混合料最佳油石比有着较大的影响。采用正交试验方法分析集料吸水率、纤维用量、水泥掺量及成型温度这4个因素对沥青混合料最佳油石比的影响程度。试验结果表明:在4个因素中,纤维用量对沥青混合料最佳油石比的影响最大,而集料吸水率的影响有所减弱。通过验证试验得出:沥青混合料中添加纤维能有效地减小集料吸水率的波动对沥青混合料最佳油石比的影响。
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| 关 键 词： | 道路工程 沥青混合料 集料吸水率 最佳油石比 正交试验 |
| 文章编号： | 1000-9779(2006)04-0052-04 |
| 收稿时间： | 06 5 2006 12:00AM |
| 修稿时间： | 2006年6月5日 |
Effects of Specific Absorption of Aggregate on Optimum Proportion of Asphalt |
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| YANG Rui-hua,LI Yu-zhi,HUANG Yun-yong.Effects of Specific Absorption of Aggregate on Optimum Proportion of Asphalt[J].Journal of Changsha Communications University,2006,22(4):52-55. |
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| Authors: | YANG Rui-hua LI Yu-zhi HUANG Yun-yong |
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| Institution: | 1. College of Transportation and Communication, Tongji University, Shanghai 200092, China; 2. College of Highway Engineering, Changsha University of Science and Technology, Changsha 410076,China |
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| Abstract: | The fact that specific absorption of aggregate has important effects on the optimum proportion of asphalt is detected by the tests.The 4 factors,such as specific absorption of aggregate,dosage of fiber,dosage of cement and molding temperature,were assembled properly by orthogonal design method,the effects of the factors on the optimum proportion of asphalt were studied at the same time.The results of the test indicate that the dosage of fiber in asphalt mixture is the most important factor in the 4 factors and the effect of specific absorption of aggregate is weakened at the same time.Verifying test indicates adding fiber into asphalt mixture can weaken the effect of specific absorption of aggregate on the optimum proportion of asphalt. |
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| Keywords: | road engineering asphalt mixture specific absorption of aggregate optimum proportion of asphalt orthogonal test |
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