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不同类型沥青胶浆路用性能对比
引用本文:彭波,丁智勇,戴经梁.不同类型沥青胶浆路用性能对比[J].交通运输工程学报,2007,7(3):61-65.
作者姓名:彭波  丁智勇  戴经梁
作者单位:1. 长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064
2. 长安大学,特殊地区公路工程教育部重点实验室,陕西,西安,710064;长安大学,道路施工技术与装备教育部重点实验室,陕西,西安,710064
基金项目:国家自然科学基金项目(50478095)
摘    要:为了研究不同类型沥青胶浆对沥青混合料路用性能影响,应用沥青胶浆针入度、锥入度、网篮析出、粘附性、动态剪切、弯曲梁流变等试验方法,研究了沥青胶浆组成、温度及不同比例对沥青混合料性能影响,分析了沥青胶浆的作用机理。分析结果表明:纤维能够增大集料表面沥青膜的厚度,增强沥青胶浆的粘滞性,提高沥青胶浆的耐老化性和水稳定性,从而提高沥青路面的耐久性和抗裂性能;纤维能够减少纤维沥青胶浆针入度,提高软化点,增强沥青胶浆的弹性恢复性能。

关 键 词:路面工程  沥青胶浆  路用性能  评价方法
文章编号:1671-1637(2007)03-0061-05
修稿时间:2006-12-13

Road performance comparison of different asphalt mastics
Peng Bo,Ding Zhi-yong,Dai Jing-liang.Road performance comparison of different asphalt mastics[J].Journal of Traffic and Transportation Engineering,2007,7(3):61-65.
Authors:Peng Bo  Ding Zhi-yong  Dai Jing-liang
Abstract:In order to study the road properties of different asphalt mastics,some systematic tests on penetration,cone penetration,basket drainage,adhesion quality,dynamic shear,bending beam rheometer were done,the influences of the constituters,temperature and proportion of asphalt mastic on the road properties of asphalt mixture were analyzed,and the strengthening mechanism of asphalt mastic was studied.Analysis result indicates that fiber can thicken asphalt membrane on aggregate surface,improve the viscosity,aging resistance and water stability of asphalt mastic,so that the durability and rupture resistance of asphalt mixture are improved;fiber can decrease the penetration of asphalt mastic,advance its softening point,and reinforce its elasticity comeback capacity.7 tabs,1 fig,10 refs.
Keywords:pavement engineering  asphalt mastic  road performance  evaluation method
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