| 基于流变特性的硅藻土与沥青配伍性分析 |
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| 引用本文： | 姚鸿儒,张君韬,杜守继,侯东伟.基于流变特性的硅藻土与沥青配伍性分析[J].河北工程大学学报,2018,35(3):59-63. |
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| 作者姓名： | 姚鸿儒 张君韬 杜守继 侯东伟 |
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| 作者单位： | 上海交通大学船舶海洋与建筑工程学院;上海公路桥梁(集团)有限公司;中交上海三航科学研究院 |
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| 基金项目： | 国家自然科学基金资助项目（项目编号：51479113） |
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| 摘 要： | 分别选用不同选矿阶段的硅藻土、不同油源及标号基质沥青制备改性沥青,基于动态剪切流变试验,分析硅藻土品质及基质沥青差异对改性沥青流变性能的影响。研究结果表明:经选矿提纯后所得硅藻精土能有效改善沥青抗变形性能,硅藻原土和尾矿改性效果较差;改性沥青的抗变形性能受基质沥青油源影响,油源不同,改性效果也不同;同时,标号越小的基质沥青,经改性后抗变形能力越好。
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| 关 键 词： | 配伍性 不同选矿阶段 硅藻土 基质沥青差异 流变 |
| 收稿时间： | 2017/12/7 0:00:00 |
Analysis on compatibility of diatomite and asphalt base on rheological properties |
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| Authors: | YAO Hongru ZHANG Juntao DU Shouji and HOU Dongwei |
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| Affiliation: | School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200140, China;Shanghai Road and Bridge Group Co. Ltd, Shanghai 200433, China;and Technology Research Institute Co., Ltd, Shanghai 200032, China,School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200140, China;CCCC Shanghai Third Harbor Engineering Science,School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200140, China and School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200140, China |
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| Abstract: | On the basis of DSR test,the influence of diatomite quality and difference in base asphalt on the rheological property of modified asphalt was analyzed by choosing diatomite from different phase of mineral refining and base asphalt with different oil source and grade to modify asphalt separately. The results indicate that purified diatomite obtained after mineral refining can improve the anti-deformation property of asphalt effectively,but the modification effect of original diatomite and tailing diatomite is no good;the anti-deformation property of modified asphalt is also affected by base asphalt with different oil source,and it will make a different modification effect;at the same time,the higher grade of base asphalt,the lower anti-deformation property of asphalt after modification. |
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| Keywords: | compatibility different phase of mineral refining diatomite difference of base asphalt rheology |
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