| 沥青发泡性能机理分析及评价指标优化研究 |
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| 引用本文： | 李强,李豪,卢勇,吉增辉.沥青发泡性能机理分析及评价指标优化研究[J].现代交通技术,2011,8(4):7-10. |
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| 作者姓名： | 李强 李豪 卢勇 吉增辉 |
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| 作者单位： | 1. 扬州市公路管理处,江苏扬州,225000
2. 江苏省交通科学研究院股份有限公司,江苏南京,210017 |
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| 基金项目： | 江苏省交通厅科研项目(项目编号:10Y06) |
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| 摘 要： | 通过对沥青发泡过程的微观分析,深入研究了沥青发泡各环节的主要影响因素（发泡温度和用水量）的作用机理,提出微观沥青泡沫的膨胀曲线与宏观沥青泡沫的衰落曲线之间的联系。在此基础上,对现有的沥青发泡特性评价方法进行了比较分析,分析了现行评价体系的缺陷,并综合考虑试验方法的准确性、评价指标的合理性,施工应用的可操作性提出了优化后...
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| 关 键 词： | 泡沫沥青 发泡机理 评价指标 膨胀率 半衰期 衰减期 |
Research on Asphalt Foaming Characteristic Mechanism Analysis and Foaming Index Optimization |
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| Li Qiang,Li Hao,Lu Yong,Ji Zenghui.Research on Asphalt Foaming Characteristic Mechanism Analysis and Foaming Index Optimization[J].Modern Transportation Technology,2011,8(4):7-10. |
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| Authors: | Li Qiang Li Hao Lu Yong Ji Zenghui |
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| Institution: | Li Qiang1,Li Hao2,Lu Yong2,Ji Zenghui1(1.Yangzhou Highway Administration,Yangzhou 225000,China,2.Jiangsu Transportation Research Institute Co.,Ltd.,Nanjing 210017,China) |
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| Abstract: | In this paper,by microscopic analysis of asphalt forming,the relations between asphalt foaming characteristic and its effect factor were studied,the relations between the volume change of single asphalt bubble and the decline curve of foamed asphalt were also discussed.On this basis,the existing evaluation indexes of the asphalt foaming characteristic were compared and analyzsed.Considering the accuracy of test method,the rationality of evaluation indexes and construction operability,optimized evaluation in... |
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| Keywords: | foamed asphalt foaming mechanism evaluation indexes expansion ratio half-life attenuation period |
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