基于感应加热的钢丝绒纤维沥青混合料除冰性能评价
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长安大学 材料科学与工程学院

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U416

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国家自然科学基金项目(51608046);中国博士后科学基金项目( 2014M550476);中央高校基本科研业务费专项资金项目(300102319202)(3001102319501),(300102318301);中央 高校基本科研业务费资助项目(300102218502)


Evaluation of deicing performance of steel wool fiber asphalt mixture based on induction heating
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Engineering Research Center of Transportation Materials of Ministry of Education, Chang’an University

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Project of national natural science foundation of China (51608046);China postdoctoral science foundation project (2014M550476);Special fund project for basic scientific research operating expenses of central universities (300102319202),(3001102319501),(300102318301);Project funded by basic scientific research operating expenses of central universities (300102218502)

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    摘要:

    为有效解决冬季冰雪覆盖对沥青路面行车安全的困扰,采用电磁感应加热的方式,研究了钢丝绒纤维长度、掺量对沥青混合料除冰效果与路用性能的影响,并探讨了钢丝绒纤维沥青混合料电磁感应加热除冰机理。结果表明:钢丝绒纤维沥青混合料电磁感应加热除冰效果显著,钢丝绒纤维长度、掺量与感应加热平均融冰速率呈正相关趋势;掺量6%的5mm钢丝绒纤维沥青混合料平均融冰速率最快,达0.47℃·s-1;掺入钢丝绒纤维后,沥青混合料高温稳定性与低温抗裂性均得到改善;4%掺量的5mm钢丝绒纤维沥青混合料路用性能达到最佳;综合考虑,推荐掺入4%的5mm钢丝绒纤维为沥青混合料电磁感应加热除冰最佳方案。

    Abstract:

    In order to effectively solve the traffic safety problem caused by the snow and ice cover pavement in winter. The effect of the length and content of steel wool fiber on the deicing effect and road performance of asphalt mixture was studied by means of electromagnetic induction heating, and the deicing mechanism of steel wool fiber asphalt mixture by electromagnetic induction heating was discussed. The results show that the steel wool fiber asphalt mixture heated by electromagnetic induction obtained satisfactory result according to engineering test, and the length and content of steel wool fiber are positively correlated with the average melting ice rate of induction heating. The average melting ice rate of asphalt mixture containing 6% steel wool fiber with length of 5 mm is the highest, 0.47 ℃·s-1. By adding steel wool fiber, performance of asphalt mixture is greatly improved in both high-temperature stability and low-temperature cracking resistance. Asphalt mixture containing4% steel wool fiber with length of 5 mm has achieved the best road performance. Comprehensive consideration, it is recommended that steel wool fiber containing 4% with length of 5 mm is the best solution for the deicing of asphalt mixture by electromagnetic induction heating.

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引用本文

李科宏,熊 锐. 基于感应加热的钢丝绒纤维沥青混合料除冰性能评价[J]. 科学技术与工程, 2019, 19(32): 313-321.
LI Ke-hong and. Evaluation of deicing performance of steel wool fiber asphalt mixture based on induction heating[J]. Science Technology and Engineering,2019,19(32):313-321.

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历史
  • 收稿日期:2019-03-26
  • 最后修改日期:2019-05-05
  • 录用日期:2019-05-27
  • 在线发布日期: 2019-12-04
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