砂粒式超薄磨耗层的路用性能对比
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摘要
为了给路面养护选择一种性能优良的砂粒式超薄磨耗层材料,采用UTAC-5、NovaChip(B型)、OGFC-5三种沥青混合料,经过配合比设计并确定最佳油石比后,进行一系列路用性能测试,包括高温稳定性、低温抗裂性、抗水损害性能和抗滑性能,并针对同种性能分析不同类型的混合料。结果表明:NovaChip(B型)的高温性能、水稳性能和抗滑性能较其他2类沥青混合料优秀,低温性能较UTAC-5稍差。将各指标综合起来考虑,得出NovaChip(B型)有较好的路用性能,适合作为砂粒式超薄磨耗层材料运用到实际工程中。
In order to select a kind of material for ultra-thin bonded wearing course with excellent performance in pavement maintenance,UTAC-5,NovaChip(Type B)and OGFC-5 asphalt mixtures were used.After mix design and determination of the optimum asphalt-aggregate ratio,a series of pavement performance tests were carried out on high temperature stability,low temperature crack resistance,water damage resistance and skid resistance,and different types of mixtures were analyzed for the same performance.The results show that NovaChip(Type B)has better high temperature performance,moisture susceptibility and skid resistance than the other two asphalt mixtures,and its low temperature performance is slightly not as good as that of UTAC-5.Taking all the indicators into consideration,it is concluded that NovaChip(Type B)has better pavement performance and is suitable for application in practical engineering as material for ultra-thin bonded wearing course.
In order to select a kind of material for ultra-thin bonded wearing course with excellent performance in pavement maintenance,UTAC-5,NovaChip(Type B)and OGFC-5 asphalt mixtures were used.After mix design and determination of the optimum asphalt-aggregate ratio,a series of pavement performance tests were carried out on high temperature stability,low temperature crack resistance,water damage resistance and skid resistance,and different types of mixtures were analyzed for the same performance.The results show that NovaChip(Type B)has better high temperature performance,moisture susceptibility and skid resistance than the other two asphalt mixtures,and its low temperature performance is slightly not as good as that of UTAC-5.Taking all the indicators into consideration,it is concluded that NovaChip(Type B)has better pavement performance and is suitable for application in practical engineering as material for ultra-thin bonded wearing course.
引文
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[18]蔡旭,王端宜,张吉庆,等.微表处混合料室内加速加载试验[J].浙江大学学报(工学版),2012,46(5):791-797.
[19]王勇,袁腾,杨建波,等.基于加速磨耗的沥青路面抗滑性能衰减特性研究[J].筑路机械与施工机械化,2016,33(1):71-74.
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[2]成发科,董彪.沥青混凝土薄层罩面路用性能及施工技术研究[J].筑路机械与施工机械化,2016,33(7):71-74.
[3]曾梦澜,彭良清,吴超凡,等.超薄磨耗层沥青混合料使用性能试验研究[J].武汉理工大学学报,2012,34(4):27-31.
[4]谭忆秋,姚李,王海朋,等.超薄磨耗层沥青混合料评价指标[J].哈尔滨工业大学学报,2012,44(12):73-77.
[5]杨永奇.超薄抗滑表层在济青高速公路路面养护中的应用[J].公路工程,2012,37(6):166-171.
[6]李蕊,李彦伟,石鑫,等.薄层罩面沥青混合料的设计方法及其路用性能研究[J].中外公路,2012,32(4):263-266.
[7]钟科,罗桑.小粒径大空隙排水沥青混合料性能试验[J].公路交通科技,2013,30(6):1-5.
[8]王萍.超薄沥青混凝土UTAC预防性养护效果研究[J].筑路机械与施工机械化,2014,31(4):72-75.
[9]刘好,刘超,刘庚.超薄磨耗层NovaChip层间粘结技术研究[J].筑路机械与施工机械化,2013,30(3):59-61.
[10]李晓娟,周新锋,徐希娟,等.沥青性质对超薄层罩面路用性能的影响[J].筑路机械与施工机械化,2017,34(4):66-69.
[11]张肖宁,王绍怀,吴旷怀,等.沥青混合料组成设计的CAVF法[J].公路,2001,46(12):17-21.
[12]肖鑫,张肖宁.基于CAVF法的排水沥青混合料组成设计[J].公路交通科技,2016,33(10):07-12.
[13]冯新军,郝培文.密级配沥青稳定碎石基层混合料级配设计方法[J].中国公路学报,2009,22(4):33-38.
[14]祁峰,刘崭,苏彦龙.沥青混合料高温稳定性参数研究[J].筑路机械与施工机械化,2014,31(6):58-61.
[15]宋子房.SBS改性沥青混合料低温性能研究[J].筑路机械与施工机械化,2014,31(8):76-78.
[16]齐琳,夏伟龙.劈裂试验评价沥青混合料低温性能指标研究[J].公路交通科技(应用技术版),2012(5):59-63.
[17]李兆生,谭忆秋,吴思刚,等.冻融循环对沥青混合料力学性能的影响[J].哈尔滨工程大学学报,2014,35(3):378-382.
[18]蔡旭,王端宜,张吉庆,等.微表处混合料室内加速加载试验[J].浙江大学学报(工学版),2012,46(5):791-797.
[19]王勇,袁腾,杨建波,等.基于加速磨耗的沥青路面抗滑性能衰减特性研究[J].筑路机械与施工机械化,2016,33(1):71-74.
[20]孙晓立,张肖宁,蔡旭.基于加速加载试验的微表处长期路用性能[J].同济大学学报(自然科学版),2012,40(5):691-695.