钢渣骨料沥青混合料路用性能研究
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摘要
为了探究钢渣骨料沥青混合料的路用性能,对AC-13与SMA-13两种级配的钢渣沥青混合料和碎石沥青混合料的高温稳定性、水稳定性进行了研究,并对其低温抗裂性及膨胀特性进行评价。结果表明:钢渣沥青混合料具有良好的颗粒间嵌挤作用与较高的摩擦力,钢渣颗粒间形成类纤维结构,可有效分散应力作用,使得钢渣沥青混合料的高温稳定性、水稳定性及低温抗裂性能均优于碎石沥青混合料,同时钢渣沥青混合料的膨胀率满足规范要求。
In order to study the pavement performance of steel slag aggregate asphalt mixture,high temperature stability,water stability and low temperature resistance were applied to the steel slag asphalt mixture and gravel asphalt mixture of AC-13 and SMA-13.The cracking and swelling properties were evaluated.The results show that the steel slag asphalt mixture has good interlocked-denseness and high friction,and the steel slag particles form a fiber-like structure,which can effectively disperse the stress causing that the high temperature stability,water stability and and low temperature crack resistance of the steel slag asphalt mixture are superior to the gravel asphalt mixture.At the same time,the expansion ratio of the steel slag asphalt mixture meets the requirements of the specification.
In order to study the pavement performance of steel slag aggregate asphalt mixture,high temperature stability,water stability and low temperature resistance were applied to the steel slag asphalt mixture and gravel asphalt mixture of AC-13 and SMA-13.The cracking and swelling properties were evaluated.The results show that the steel slag asphalt mixture has good interlocked-denseness and high friction,and the steel slag particles form a fiber-like structure,which can effectively disperse the stress causing that the high temperature stability,water stability and and low temperature crack resistance of the steel slag asphalt mixture are superior to the gravel asphalt mixture.At the same time,the expansion ratio of the steel slag asphalt mixture meets the requirements of the specification.
引文
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[14]杨俊霖,罗蓉,樊向阳,等.基于多孔钢渣的沥青混合料设计与路用性能研究[J].武汉理工大学学报(交通科学与工程版),2018,42(1):68-71.YANG Junlin,LUO Rong,FAN Xiangyang,et al.Research on design and road performance of asphalt mixture with porous steel slag[J].Journal of Wuhan University of Technology(Transportation Science and Engineering Edition),2018,42(1):68-71.
[15]谢勇,张逸圣,辛顺超.基于钢渣骨料的沥青混合料路用性能研究[J].公路,2014,59(12):186-190.XIE Yong,ZHANG Yisheng,XIN Shunchao.Research on road performance of asphalt mixture based on steel slag aggregate[J].Highway,2014,59(12):186-190.
[2]张航,胡建新,刘大洋.泡沫沥青冷再生混合料高温稳定性研究[J].公路交通技术,2016,32(6):17-22.ZHANG Hang,HU Jianxin,LIU Dayang.Study on high temperature stability of cold recycled foamed asphalt mixture[J].Technology of Highway and Transport,2016,32(6):17-22.
[3]谭巍,李菁若,季炜,等.城市生活垃圾焚烧飞灰在沥青混合料中的应用[J].中国公路学报,2016,29(4):14-21.TAN Wei,LI Jingruo,JI Wei,et al.Application of municipal solid waste incinerator fly ash in asphalt mixture[J].China Journal of Highway and Transport,2016,29(4):14-21.
[4]高惠,刘念平.回收废料用于沥青道路铺筑的研究与展望[J].公路交通技术,2012(2):31-36,43.GAO Hui,LIU Nianping.Research and prospect of application of recycled wastes in pavement of asphalt road[J].Technology of Highway and Transport,2012(2):31-36,43.
[5]牛哲.钢渣沥青混合料的制备与性能研究[D].南京:东南大学,2016.NIU Zhe.Study on preparation and properties of steel slag asphalt mixture[D].Nanjing:Southeast University,2016.
[6]孙吉书,许宁乾,李猛.掺钢渣SBS改性沥青混凝土自修复性能研究[J].公路工程,2018,43(3):202-206,251.SUN Jishu,XU Ningqian,LI Meng.Study on self repairing property of sbs modified asphalt concrete mixed with steel slag[J].Highway Engineering,2018,43(3):202-206,251.
[7]陈晓.钢渣SMA-13油石比及路用性能研究[J].公路与汽运,2018(4):54-57.CHEN Xiao.Study on asphalt ratio and road performance of steel slag SMA-13[J].Highways&Automotive Application,2018(4):54-57.
[8]周启伟.公路钢渣基层与钢渣沥青混合料路用性能研究[D].重庆:重庆交通大学,2011.ZHOU Qiwei.Study on road performance of steel slag base and steel slag asphalt mixture for highway[D].Chongqing:Chongqing Jiaotong University,2011.
[9]孙鹏翔.钢渣沥青密级配混合料路用性能试验研究[D].沈阳:沈阳建筑大学,2012.SUN Pengxiang.Experimental study on pavement performance of steel slag asphalt dense graded mixture[D].Shenyang:Shenyang Jianzhu University,2012.
[10]武建民,杨永利,周雄.钢渣在沥青路面工程中的应用[J].筑路机械与施工机械化,2016,33(7):32-35.WU Jianmin,YANG Yongli,ZHOU Xiong.Application of steel slag in asphalt pavement projects[J].Road Machinery&Construction Mechanization,2016,33(7):32-35.
[11]李博.钢渣沥青混合料路用性能及膨胀性能研究[J].交通世界(建养.机械),2013(6):305-307.LI Bo.Study on road performance and expansion performance of steel slag asphalt mixture[J].Transportation World(Maintenance.Machinery),2013(6):305-307.
[12]卢发亮,李晋.济钢转炉钢渣沥青混合料路用性能研究[J].中外公路,2013,33(4):259-263.LU Faliang,LI Jin.Study on road performance of steel slag asphalt mixture for converter at jigang[J].Journal of China&Foreign Highway,2013,33(4):259-263.
[13]李伟,王鹤彬,王达,等.转炉钢渣沥青混合料路用性能试验研究[J].沈阳建筑大学学报(自然科学版),2016,32(6):1062-1069.LI Wei,WANG Hebin,WANG Da,et al.Experimental study on road performance of converter steel slag asphalt mixture[J].Journal of Shenyang Jianzhu University(Natural Science),2016,32(6):1062-1069.
[14]杨俊霖,罗蓉,樊向阳,等.基于多孔钢渣的沥青混合料设计与路用性能研究[J].武汉理工大学学报(交通科学与工程版),2018,42(1):68-71.YANG Junlin,LUO Rong,FAN Xiangyang,et al.Research on design and road performance of asphalt mixture with porous steel slag[J].Journal of Wuhan University of Technology(Transportation Science and Engineering Edition),2018,42(1):68-71.
[15]谢勇,张逸圣,辛顺超.基于钢渣骨料的沥青混合料路用性能研究[J].公路,2014,59(12):186-190.XIE Yong,ZHANG Yisheng,XIN Shunchao.Research on road performance of asphalt mixture based on steel slag aggregate[J].Highway,2014,59(12):186-190.