| 沥青混合料低温冻断试验设备的研发及试验验证 |
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| 引用本文： | 谭忆秋,张磊,薛忠军.沥青混合料低温冻断试验设备的研发及试验验证[J].公路交通科技,2011,28(5):17-22. |
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| 作者姓名： | 谭忆秋 张磊 薛忠军 |
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| 作者单位： | 哈尔滨工业大学;北京市交通委员会路政局; |
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| 基金项目： | 国家自然科学基金项目(50808058); 教育部新世纪优秀人才支持计划项目(NCET-06-0340) |
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| 摘 要： | 通过模拟沥青路面温度裂缝产生原理,自行研发了沥青混合料低温冻断试验设备,并进行了试验验证.通过应用位移实时补偿系统和耐低温高精度传感器,开发试件对心装置,采用不同的试件安放方式,这些措施使得该设备具有试验精度高、试验结果准确等特点.该设备可以完成沥青混合料温度应力试验、应力松弛试验、直接拉伸试验和收缩系数试验.利用该设...
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| 关 键 词： | 道路工程 沥青混合料 低温性能 评价方法 冻断温度 |
Research and Development of Asphalt Mixture Freezing Test Equipment and Experimental Verification |
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| TAN Yiqiu,ZHANG Lei,XUE Zhongjun.Research and Development of Asphalt Mixture Freezing Test Equipment and Experimental Verification[J].Journal of Highway and Transportation Research and Development,2011,28(5):17-22. |
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| Authors: | TAN Yiqiu ZHANG Lei XUE Zhongjun |
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| Institution: | TAN Yiqiu1,ZHANG Lei1,XUE Zhongjun2(1.Harbin Institute of Technology,Harbin Heilongjiang 150090,China,2.Highway Administration Bureau of Beijing Transportation Committee,Beijing 100053,China) |
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| Abstract: | Self-developed freezing test equipment was developed and experimental verified based on the theory of simulated asphalt pavement cracking at low temperature.With displacement real-time compensation system,low-temperature hypersensitive displacement sensor,new developed centering device,and specific part mounting methods,this equipment provides high precision and great accuracy.This equipment is capable of testing temperature stress of asphalt mixture,experimenting on stress relaxation,stretching and testing... |
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| Keywords: | road engineering asphalt mixture low-temperature performance evaluation method cracking temperature |
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