短期老化对岩沥青改性沥青流变性能的影响
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摘要
为探究不同老化温度下,短期老化作用对不同岩沥青改性沥青流变性能的影响,采用室内模拟试验对老化前后不同岩沥青改性沥青的常规性能和流变性能进行研究。结果表明:老化前添加不同岩沥青的改性沥青其高温性能及抗变形能力增强;在5~25℃时(低温区),163℃短期老化作用使布敦岩沥青改性沥青有较好的抗变形能力;在45~65℃时(高温区),178℃和193℃短期老化作用使新疆岩沥青改性沥青具有较好的抗变形能力。在高温区随着老化温度的升高,新疆岩沥青改性沥青抗车辙性能比布敦岩沥青改性沥青的抗车辙性能好。
In order to investigate the effect of short-term aging on the rheological properties of different rock asphalt modified asphalt under different aging temperatures. The conventional properties and rheological properties of different rock asphalt modified asphalt were studied by the Laboratory simulation test. The results show that the addition of different rock asphalt before aging modified asphalt with high temperature performance and deformation resistance capacity increased. In the 5 ~ 25 ℃( low temperature zone),the effect of short-term aging at 163 ℃ has better deformation resistance capacity of the Buton Bock Asphalt modified asphalt. In the 45 ~ 65 ℃( high temperature zone),the effect of short-term aging at 178 ℃ and 193 ℃ has better deformation resistance capacity of the Xinjiang rock asphalt modified asphalt. In the high temperature area,the rutting resistance of Xinjiang rock asphalt modified asphalt is better than that of the Buton Bock Asphalt modified asphalt.
In order to investigate the effect of short-term aging on the rheological properties of different rock asphalt modified asphalt under different aging temperatures. The conventional properties and rheological properties of different rock asphalt modified asphalt were studied by the Laboratory simulation test. The results show that the addition of different rock asphalt before aging modified asphalt with high temperature performance and deformation resistance capacity increased. In the 5 ~ 25 ℃( low temperature zone),the effect of short-term aging at 163 ℃ has better deformation resistance capacity of the Buton Bock Asphalt modified asphalt. In the 45 ~ 65 ℃( high temperature zone),the effect of short-term aging at 178 ℃ and 193 ℃ has better deformation resistance capacity of the Xinjiang rock asphalt modified asphalt. In the high temperature area,the rutting resistance of Xinjiang rock asphalt modified asphalt is better than that of the Buton Bock Asphalt modified asphalt.
引文
[1]王岚,弓宁宁,邢永明.短期老化对聚合物改性沥青流变性能的影响[J].公路工程,2015,40(02):9-14.
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[15]Yi-qiu T,Lei Z,Wei-qiang G,et al.Investigation of the effects of wax additive on the properties of asphalt binder[J].Construction and Building Materials,2012,36:578-584.
[2]Binsheng Zhang,Nenad Bicanic,Christopher J.Pearce,etc.Relationship between brittleness and moisture loss of concrete exposedto high temperatures[J].Cement and Concrete Research.2002,(32):363-364.
[3]宋卿卿,于江,赖万松,等.新疆乌尔禾岩沥青对克90沥青的改性试验研究[J].交通科技与经济,2013,15(06):78-83.
[4]李立群.岩沥青在道路工程中的应用研究[J].中国新技术新产品,2010,(17):51.
[5]蒋兴明.新疆岩沥青在道路工程中的应用研究[D].乌鲁木齐:新疆农业大学,2013.
[6]中华人民共和国交通运输部.公路工程沥青及沥青混合料试验规程[M].北京:人民交通出版社,2011.
[7]张帆,于江,宋卿卿,等.KSH-D温拌剂对基质沥青短期老化的影响[J].中外公路,2013,33(06):230-233.
[8]黄明奎.公路工程材料流变学[M].成都:西南交通大学出版社,2010(6).
[9]王明,林发金,刘黎萍.布敦岩沥青灰分胶浆动态流变性能和微细观特性[J].同济大学学报(自然科学版),2016,44(04):567-571.
[10]李瑞霞,郝培文,王春,等.布敦岩沥青改性机理[J].公路交通科技,2011,28(12):16-20+38.
[11]穆红运.短期老化对聚合物改性沥青流变学特性的影响[J].公路工程,2015,40(01):261-265.
[12]欧阳言嵩.沥青结合料的热老化机理研究[D].西安:长安大学,2014.
[13]马莉骍.沥青及沥青混合料老化过程中的粘弹性能研究[D].武汉:武汉理工大学,2012.
[14]梁果,孙大权.新疆岩沥青改性沥青高温性能试验研究[J].石油沥青,2012,26(04):19-22.
[15]Yi-qiu T,Lei Z,Wei-qiang G,et al.Investigation of the effects of wax additive on the properties of asphalt binder[J].Construction and Building Materials,2012,36:578-584.