聚酯纤维温拌再生沥青混合料性能及压实温度研究
|
摘要
为了解决低温地区实体工程中RAP高掺量下路用性能和现场压实温度的问题,针对RAP不同掺量(0%、30%和50%)下温拌再生沥青混合料,通过车辙试验、弯曲试验和冻融劈裂试验及试验掺量的对比,研究聚酯纤维对温拌再生沥青混合料路用性能的影响;通过Superpave试验方法和变温压实试验,以4.0%空隙率为控制指标,研究聚酯纤维对两种RAP掺量(0%、30%)下温拌沥青混合料最佳压实温度的影响。研究结果表明:与不添加纤维相比,聚酯纤维的添加显著改善温拌再生沥青混合料高温稳定性、低温抗裂性和水稳定性,且均满足规范要求;在RAP掺量为0%和30%时,聚酯纤维使温拌沥青混合料最佳压实温度分别提高了9℃和10℃,即聚酯纤维对温拌沥青混合料最佳压实温度影响显著。
In order to solve the problem of road performance and on-site compaction temperature in RAP high-volume physical engineering in low-temperature areas,aiming at the warm mixed recycled asphalt mixture with different RAP content(0%,30%and 50%),the rutting test,bending test and freezing-thawing splitting test were selected.And then the influence of polyester fibers on the pavement performance of the warm mixed recycled asphalt mixture was studied by comparing the content of polyester fibers.Superpave test method and variable temperature compaction test were used to study the effect of polyester fiber on the optimal compaction temperature of the warm mixed asphalt mixture with two kinds of RAP content(0%,30%),with the porosity rate of 4.0% as the control index.The test results show that:compared with no fiber addition,the addition of polyester fiber significantly improves the high-temperature stability,low-temperature crack resistance and water stability of the warm mixed recycled asphalt mixture,which also satisfies the specification requirements.When the RAP content is 0% and 30%,the optimum compaction temperature of the warm mixed asphalt mixture is increased by 9°C and 10°C respectively by the polyester fiber,which means that polyester fiber has a significant influence on the optimal compaction temperature of warm mixed asphalt mixture.
In order to solve the problem of road performance and on-site compaction temperature in RAP high-volume physical engineering in low-temperature areas,aiming at the warm mixed recycled asphalt mixture with different RAP content(0%,30%and 50%),the rutting test,bending test and freezing-thawing splitting test were selected.And then the influence of polyester fibers on the pavement performance of the warm mixed recycled asphalt mixture was studied by comparing the content of polyester fibers.Superpave test method and variable temperature compaction test were used to study the effect of polyester fiber on the optimal compaction temperature of the warm mixed asphalt mixture with two kinds of RAP content(0%,30%),with the porosity rate of 4.0% as the control index.The test results show that:compared with no fiber addition,the addition of polyester fiber significantly improves the high-temperature stability,low-temperature crack resistance and water stability of the warm mixed recycled asphalt mixture,which also satisfies the specification requirements.When the RAP content is 0% and 30%,the optimum compaction temperature of the warm mixed asphalt mixture is increased by 9°C and 10°C respectively by the polyester fiber,which means that polyester fiber has a significant influence on the optimal compaction temperature of warm mixed asphalt mixture.
引文
[1]毛炜峄,南庆红,史红政.新疆气候变化特征及气候分区方法研究[J].气象,2008,34(10):67-73.MAO Weiyi,NAN Qinghong,SHI Hongzheng.Research of climatic regionalization with climate change in Xinjiang[J].Meteorological Monthly,2008,34(10):67-73.
[2]韩永强,程培峰.RAP掺量对温拌再生沥青混合料性能的影响[J].公路交通科技,2015,32(12):38-41.HAN Yongqiang,CHENG Peifeng.Influence of RAP quantity on performance of warm mix recycled asphalt mixture[J].Journal of Highway and Transportation Research and Development,2015,32(12):38-41.
[3]陈静云,马强.温拌—再生改性沥青SMA混合料性能研究[J].沈阳建筑大学学报(自然科学版),2012,02:286-290.CHEN Jingyun,MA Qiang.Properties of warm mix-recycled modified asphalt SMA mixture[J].Journal of Shenyang Jianzhu University(Natural Science),2012,28(2):286-290.
[4]杨丽英,谭忆秋,董雨明,等.温拌再生沥青混合料的疲劳性能[J].公路交通科技,2012,29(10):7-10.YANG Liying,TAN Yiqiu,DONG Yuming,et al.Study on fatigue performance of emulsified asphalt mixture[J].Journal of Highway and Transportation Research and Development,2012,29(10):7-10.
[5]侯月琴,许辉,纪小平.温拌再生沥青混合料的温度控制方法及路用性能[J].长安大学学报(自然科学版),2014,34(2):16-21.HOU Yueqin, XU Hui, JI Xiaoping.Temperaturecontrol method and road performance of warm mixed recycled asphalt mixture[J].Journal of Changan University(Natural Science Edition),2014,34(2):16-21.
[6]董德全.高掺配率AC-13型温拌再生沥青混合料组成设计与路用性能评价[J].中外公路,2014,34(4):250-255.DONG Dequan.Design andpavement performance evaluation of AC-13warm-recycled mixture asphalt with high blending ratio[J].Journal of China&Foreign Highway,2014,34(4):250-255.
[7]廉向东,陈拴发,付其林,等.温拌沥青混合料路用性能研究[J].长安大学学报(自然科学版),2010,30(6):11-15.LIAN Xiangdong,CHEN Shuanfa,FU Qilin,et al.Research on pavement performance of warm mix asphalt[J].Journal of Changan University(Natural Science Edition),2010,30(6):11-15.
[8]孙吉书,肖田,杨春风,等.温拌再生沥青混合料的路用性能研究[J].重庆交通大学学报(自然科学版),2011,30(2):250-253.SUN Jishu,XIAO Tian,YANG Chunfeng,et al.On properties of warm mix recycled asphalt mixture in highway[J].Journal of Chongqing Jiaotong University(Natural Science),2011,30(2):250-253.
[9]李佳坤,孔令云,陈先勇,等.Evotherm温拌再生沥青混合料路用性能研究[J].重庆交通大学学报(自然科学版),2013,32(5):958-960.LI Jiakun,KONG Lingyun,CHEN Xianyong,et al.Pavement performance of Evotherm warm-recycled asphalt mixture[J].Journal of Chongqing Jiaotong University(Natural Science),2013,32(5):958-960.
[10]季节,索智,许鹰,等.SMA温拌再生沥青混合料性能试验[J].中国公路学报,2013,26(5):28-33.JI Jie,SUO Zhi,XU Ying,et al.Experimental reseach on performance of warm-recycled mixture asphalt with SMA[J].China Journal of Highway and Transport,2013,26(5):28-33.
[11]黄明,王鹏,李彦伟,等.温拌再生沥青混合料关键技术研究与性能评价[J].公路,2012(10):162-166.HUANG Ming,WANG Peng,LI Yanwei,et al.Research on key technologies and performance evaluation on recycled warm mix asphalt[J].Highway,2012(10):162-166.
[12]郭乃胜,谭忆秋,赵颖华.温拌再生沥青混合料路用性能关键因素影响分析[J].公路交通科技,2015,32(2):1-7.GUO Naisheng,TAN Yiqiu,ZHAO Yinghua.Effects of key factors on performance of WMA containing RAP material[J].Journal of Highway and Transportation Research and Development,2015,32(2):1-7.
[13]王小明.温拌大比例RAP厂拌热再生沥青混合料应用研究[D].重庆:重庆交通大学,2016.WANG Xiaoming.Application Research on Warm-Recycled Mix Asphalt with High Percentage RAP[D].Chongqing:Chongqing Jiaotong University,2016.
[14]马翔,倪富健,顾兴宇,等.聚脂纤维沥青混合料路用性能研究分析[J].公路交通科技,2006,23(1):24-27.MA Xiang,NI Fujian,GU Xingyu,et al.Study and analysis on pavement performance of the polyester fiber-reinforced asphalt mixture[J].Journal of Highway and Transportation Research and Development,2006,23(1):24-27.
[15]丁智勇,戴经梁,彭波,等.纤维沥青混合料性能试验分析[J].公路交通科技,2008,25(5):8-12.DING Zhiyong,DAI Jingliang,PENG Bo,et al.Test of fiber asphalt mixture performance[J].Journal of Highway and Transportation Research and Development,2008,25(5):8-12.
[2]韩永强,程培峰.RAP掺量对温拌再生沥青混合料性能的影响[J].公路交通科技,2015,32(12):38-41.HAN Yongqiang,CHENG Peifeng.Influence of RAP quantity on performance of warm mix recycled asphalt mixture[J].Journal of Highway and Transportation Research and Development,2015,32(12):38-41.
[3]陈静云,马强.温拌—再生改性沥青SMA混合料性能研究[J].沈阳建筑大学学报(自然科学版),2012,02:286-290.CHEN Jingyun,MA Qiang.Properties of warm mix-recycled modified asphalt SMA mixture[J].Journal of Shenyang Jianzhu University(Natural Science),2012,28(2):286-290.
[4]杨丽英,谭忆秋,董雨明,等.温拌再生沥青混合料的疲劳性能[J].公路交通科技,2012,29(10):7-10.YANG Liying,TAN Yiqiu,DONG Yuming,et al.Study on fatigue performance of emulsified asphalt mixture[J].Journal of Highway and Transportation Research and Development,2012,29(10):7-10.
[5]侯月琴,许辉,纪小平.温拌再生沥青混合料的温度控制方法及路用性能[J].长安大学学报(自然科学版),2014,34(2):16-21.HOU Yueqin, XU Hui, JI Xiaoping.Temperaturecontrol method and road performance of warm mixed recycled asphalt mixture[J].Journal of Changan University(Natural Science Edition),2014,34(2):16-21.
[6]董德全.高掺配率AC-13型温拌再生沥青混合料组成设计与路用性能评价[J].中外公路,2014,34(4):250-255.DONG Dequan.Design andpavement performance evaluation of AC-13warm-recycled mixture asphalt with high blending ratio[J].Journal of China&Foreign Highway,2014,34(4):250-255.
[7]廉向东,陈拴发,付其林,等.温拌沥青混合料路用性能研究[J].长安大学学报(自然科学版),2010,30(6):11-15.LIAN Xiangdong,CHEN Shuanfa,FU Qilin,et al.Research on pavement performance of warm mix asphalt[J].Journal of Changan University(Natural Science Edition),2010,30(6):11-15.
[8]孙吉书,肖田,杨春风,等.温拌再生沥青混合料的路用性能研究[J].重庆交通大学学报(自然科学版),2011,30(2):250-253.SUN Jishu,XIAO Tian,YANG Chunfeng,et al.On properties of warm mix recycled asphalt mixture in highway[J].Journal of Chongqing Jiaotong University(Natural Science),2011,30(2):250-253.
[9]李佳坤,孔令云,陈先勇,等.Evotherm温拌再生沥青混合料路用性能研究[J].重庆交通大学学报(自然科学版),2013,32(5):958-960.LI Jiakun,KONG Lingyun,CHEN Xianyong,et al.Pavement performance of Evotherm warm-recycled asphalt mixture[J].Journal of Chongqing Jiaotong University(Natural Science),2013,32(5):958-960.
[10]季节,索智,许鹰,等.SMA温拌再生沥青混合料性能试验[J].中国公路学报,2013,26(5):28-33.JI Jie,SUO Zhi,XU Ying,et al.Experimental reseach on performance of warm-recycled mixture asphalt with SMA[J].China Journal of Highway and Transport,2013,26(5):28-33.
[11]黄明,王鹏,李彦伟,等.温拌再生沥青混合料关键技术研究与性能评价[J].公路,2012(10):162-166.HUANG Ming,WANG Peng,LI Yanwei,et al.Research on key technologies and performance evaluation on recycled warm mix asphalt[J].Highway,2012(10):162-166.
[12]郭乃胜,谭忆秋,赵颖华.温拌再生沥青混合料路用性能关键因素影响分析[J].公路交通科技,2015,32(2):1-7.GUO Naisheng,TAN Yiqiu,ZHAO Yinghua.Effects of key factors on performance of WMA containing RAP material[J].Journal of Highway and Transportation Research and Development,2015,32(2):1-7.
[13]王小明.温拌大比例RAP厂拌热再生沥青混合料应用研究[D].重庆:重庆交通大学,2016.WANG Xiaoming.Application Research on Warm-Recycled Mix Asphalt with High Percentage RAP[D].Chongqing:Chongqing Jiaotong University,2016.
[14]马翔,倪富健,顾兴宇,等.聚脂纤维沥青混合料路用性能研究分析[J].公路交通科技,2006,23(1):24-27.MA Xiang,NI Fujian,GU Xingyu,et al.Study and analysis on pavement performance of the polyester fiber-reinforced asphalt mixture[J].Journal of Highway and Transportation Research and Development,2006,23(1):24-27.
[15]丁智勇,戴经梁,彭波,等.纤维沥青混合料性能试验分析[J].公路交通科技,2008,25(5):8-12.DING Zhiyong,DAI Jingliang,PENG Bo,et al.Test of fiber asphalt mixture performance[J].Journal of Highway and Transportation Research and Development,2008,25(5):8-12.