| 矿粉比表面积对沥青胶浆性能的影响 |
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| 引用本文： | 郑嘉,史洋博,赵阳.矿粉比表面积对沥青胶浆性能的影响[J].山西交通科技,2013(2):30-32. |
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| 作者姓名： | 郑嘉 史洋博 赵阳 |
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| 作者单位： | [1]重庆交通大学土木建筑学院,重庆400074 [2]重庆交通大学河海学院,重庆400074 |
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| 摘 要： | 比表面积和填料干压空隙率是评价矿粉性能的两个指标,矿粉质量的优劣直接影响着沥青混合料性能的好坏。通过对沥青胶浆进行针入度、软化点、延度等试验,从比表面积和填料干压空隙率的角度分析矿粉粒径大小与混合料性能的关系。研究结果表明:同粉胶比时,沥青胶浆的软化点随着矿粉粒径的减小而增大,而延度、针入度则随着矿粉粒径的减小而减小;矿粉粒径相同时,沥青胶浆延度与针入度随着粉胶比的增大而减小,沥青胶浆软化点随着粉胶比的增大而增大。
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| 关 键 词： | 矿粉 粒径 比表面积 沥青 胶浆 影响 |
The Influence of Mineral Powder Specific Surface Area on Asphalt Mortar Performance |
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| ZHENG Jia,SHI Yang-bo,ZHAO Yang.The Influence of Mineral Powder Specific Surface Area on Asphalt Mortar Performance[J].Shanxi Science & Technology of Communications,2013(2):30-32. |
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| Authors: | ZHENG Jia SHI Yang-bo ZHAO Yang |
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| Institution: | 1. School of Civil Engineering ＆ Architecture,Chongqing Jiaotong University, Chongqing 400074, China 2.Hehai School ,Chongqing Jiaotong University, Chongqing 400074,China) |
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| Abstract: | Mineral powder quality directly affected the performance of asphalt mixture.Based on the asphalt mortar tests by penetration,softening point and ductility etc. ,the paper analyzed the relationship between the powder panicle size and mixture performance from the specific surface area and the filler dry pressing voidage. |
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| Keywords: | powder panicle specific surface area asphalt mortar affect |
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