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| 硅藻土在改性沥青中的应用 | |
| 引用本文： | 王安平,李殿超,谭惠,于洪林.硅藻土在改性沥青中的应用[J].世界地质,2006,25(4):456-459,464. |
| 作者姓名： | 王安平 李殿超 谭惠 于洪林 |
| 作者单位： | 1. 吉林大学,古生物学与地层学研究中心,吉林,长春,130026 2. 吉林大学,地球科学学院,吉林,长春,130061 3. 吉林大学,测试科学实验中心,吉林,长春,130026 |
| 基金项目： | 致谢：本项研究工作得到长春市公路设计院张兴友高级工程师的大力帮助,样品的测试在哈尔滨工业大学交通科学与工程实验室完成,在此一并表示感谢! |
| 摘 要： | 硅藻土是一种重要的非金属矿产资源,经提纯处理后,制备出硅改沥青。与未改性沥青相比较,其针入度、延度降低,软化点提高,表明硅改沥青的强度、抗低温的变形能力及高温稳定性增强。硅改沥青的针入度指数(PI)和当量软化点(T800)的提高,说明硅改沥青的感温性很好,高温稳定进一步加强。硅改沥青与中性、酸性和碱性石料混合后具有很好的黏附性,可用于公路路面铺设建设中。 |
| 关 键 词： | 硅藻土 硅改沥青 非金属矿产资源 |
| 文章编号： | 1004-5589（2006）04-0456-05 |
| 收稿时间： | 2006-07-04 |
| 修稿时间： | 2006-07-042006-10-09 |
Application of diatomite in modified asphalt |
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| WANG An-ping,LI Dian-chao,TAN Hui,YU Hong-lin.Application of diatomite in modified asphalt[J].World Geology,2006,25(4):456-459,464. | |
| Authors: | WANG An-ping LI Dian-chao TAN Hui YU Hong-lin |
| Institution: | 1. Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun 130026, Jilin , China;2. College of Earth Sciences, Jilin University , Changchun 130061 , Jilin , China ; 3.Center of Test and Science Experiment, Jilin University, Changchun 130026, Jilin, China |
| Abstract: | Diatomite is one of important nonmetallic mineral resources and can be transformed to diatomite-modified-asphalt after being purified.Compared with normal asphalt,it is low in penetration and ductility and is high in softening point.The study indicates that after modification by diatomite,the asphalt becomes better in strength,resisting low-temperature deformation ability and high-temperature stability.The improvement of the penetration index(PI) and equivalent weight softening point(T_(800)) show that diatomite-modified-asphalt is good in temperature susceptibility and being enhanced in high-temperature stability. The diatomite-modified-asphalt possesses strong stickiness after being mixed with stone stock of neutrality,acidity and alkalinity,and can be applied in the constructions of highway. |
| Keywords: | diatomite diatomite-modified-asphalt nonmetallic mineral resources |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |