| 沥青混合料劈裂抗拉强度影响因素的研究 |
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| 引用本文： | 李立寒,曹林涛,罗芳艳,郭亚兵.沥青混合料劈裂抗拉强度影响因素的研究[J].建筑材料学报,2004,7(1):41-45. |
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| 作者姓名： | 李立寒 曹林涛 罗芳艳 郭亚兵 |
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| 作者单位： | 1. 同济大学,道路与交通工程教育部重点实验室,上海,200092
2. 上海浦东工程建设管理有限公司,上海,200127 |
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| 基金项目： | 上海市科技发展基金资助项目(012112029) |
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| 摘 要： | 采用室内劈拉强度试验，测试了沥青混合料的劈拉强度；分析了沥青混合料压实空隙率、沥青膜厚度、粉胶比、水的冻融作用等因素对沥青混合料劈拉强度的影响及其作用规律；分析了沥青道路面层松散的原因，并提出了控制沥青混合料质量的建议．
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| 关 键 词： | 沥青混合料 劈拉强度 空隙率 沥青膜厚度 粉胶比 沥青路面 |
| 文章编号： | 1007-9629(2004)01-0041-05 |
| 修稿时间： | 2002年12月10 |
Research on the Factors Affecting on the Split Tension Strength of Asphalt Mixes |
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| LI Li-han,CAO Lin-tao,LUO Fang-yan,GUO Ya-binity,Shanghai,Chin,. Ltd. of Engineering Construction Supervise of Shanghai Pudong New District,Shanghai,China.Research on the Factors Affecting on the Split Tension Strength of Asphalt Mixes[J].Journal of Building Materials,2004,7(1):41-45. |
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| Authors: | LI Li-han CAO Lin-tao LUO Fang-yan GUO Ya-binity Shanghai Chin Ltd of Engineering Construction Supervise of Shanghai Pudong New District Shanghai China |
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| Affiliation: | LI Li-han~1,CAO Lin-tao~1,LUO Fang-yan~2,GUO Ya-bin~2ity,Shanghai 200092,China, 2. Ltd. of Engineering Construction Supervise of Shanghai Pudong New District,Shanghai 200127,China) |
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| Abstract: | The influence extent and rule of some factors, including the porosity of the asphalt mixes, the thickness of asphalt film, the dust binder ratio and the freeze and thaw of water, affecting on split tension strength of asphalt mixtures were analyzed by results of laboratory split test. The reason of emergence of raveling on the asphalt pavement surface is discussed, and some ideas to control the quality of asphalt mixtures are put forwarded. |
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| Keywords: | asphalt mixes split tension strength porosity thickness of asphalt film dust binder ratio freeze and thaw of water |
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