| 纤维沥青混合料的低温抗裂性能 |
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| 引用本文： | 陈华鑫,张争奇,胡长顺.纤维沥青混合料的低温抗裂性能[J].华南理工大学学报(自然科学版),2004,32(4):82-86. |
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| 作者姓名： | 陈华鑫 张争奇 胡长顺 |
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| 作者单位： | 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 |
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| 摘 要： | 从不同纤维的微观特性和纤维沥青胶浆的沉锤试验出发，通过3种级配的纤维沥青混合料低温弯曲蠕变试验，分析了纤维和级配对沥青混合料低温抗裂性能的影响，并从复合材料角度对纤维的加强和改善作用机理进行了剖析。结果表明，纤维的加入可明显提高沥青混合料的低温抗裂性能，其中聚酯纤维的作用效果最为显著。
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| 关 键 词： | 纤维沥青混合料 低温抗裂性能 纤维增强机理 沉锤试验 弯曲蠕变试验 |
| 文章编号： | 1000-565X(2004)04-0082-05 |
| 修稿时间： | 2003年8月20日 |
Low-temperature Anti-cracking Performance of Fiber-reinforced Asphalt Mixture |
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| Chen Hua-xin,Zhang Zheng-qi,Hu Chang-shun.Low-temperature Anti-cracking Performance of Fiber-reinforced Asphalt Mixture[J].Journal of South China University of Technology(Natural Science Edition),2004,32(4):82-86. |
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| Authors: | Chen Hua-xin Zhang Zheng-qi Hu Chang-shun |
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| Abstract: | Based on the micro-characteristics of fibers and te penetration test of fibrous asphalt gel, as well as the low-temperature bending-creeping test of fiber-reinforced asphalt mixtures with 3 kinds of proportions, the effects of fiber addition and proportion on the low-temperature anti-cracking performance of the mixture were analyzed. The mechanism of performance improvement resulting from fiber addition was then investigated by means of the compound-material theory. The results reveal that the addition of fibers can evidently improve the low-temperature anti-cracking performance of the fiber-reinforced asphalt mixture, and that polyester fiber has the most remarkable effect on the performance improvement. |
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| Keywords: | fiber-reinforced asphalt mixture low-temperature anti-cracking performance fiber-reinforced mechanism penetration test bending-creeping test |
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