不同级配类型增韧型环氧沥青混合料路用性能研究
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摘要
针对环氧沥青材料在钢桥面铺装中的应用,制备了增韧型环氧沥青混合料,并研究了5种级配类型对增韧型环氧沥青混合料马歇尔性能、高温稳定性、低温抗裂性、水稳定性能、抗疲劳性能及抗滑性能的影响。试验结果表明,级配类型对增韧型环氧沥青混合料的抗滑性能影响较大,对混合料的其他路用性能影响较小,不同级配类型下的混合料均具有良好的路用性能。增韧型环氧沥青混合料能够满足钢桥面铺装对材料性能的要求。
For the application of epoxy asphalt materials in steel bridge deck pavement,toughened epoxy asphalt mixture is prepared,and its Marshall performance,high temperature stability,low temperature crack resistance,water stability performance,resistance fatigue performance and anti-sliding performance with five gradation types are studied.The test results show that gradation type has a great influence on anti-sliding performance of toughened epoxy asphalt mixture,while minor effect on the other pavement performance.Toughened epoxy asphalt mixture with different gradation has good pavement performance,which could meet the material performance requirements of steel bridge deck pavement.
For the application of epoxy asphalt materials in steel bridge deck pavement,toughened epoxy asphalt mixture is prepared,and its Marshall performance,high temperature stability,low temperature crack resistance,water stability performance,resistance fatigue performance and anti-sliding performance with five gradation types are studied.The test results show that gradation type has a great influence on anti-sliding performance of toughened epoxy asphalt mixture,while minor effect on the other pavement performance.Toughened epoxy asphalt mixture with different gradation has good pavement performance,which could meet the material performance requirements of steel bridge deck pavement.
引文
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[12]傅栋梁,钱振东.不同级配类型沥青混合料抗剪性能研究[J].土木建筑与环境工程,2008,30(2):98-102.
[13]郭德栋,许宏妹,李小刚,等.级配类型对纤维沥青混合料路用性能的影响[J].广西大学学报:自然科学版,2010,35(1):116-119.
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[15]陈国明.矿料级配走向对沥青混合料性能的影响[J].公路,2009,(3):135-138.
[2]Chen F,Ma R,Sheng X J.Study andapplication on cold blended epoxy asphalt mixture for steel bridge deck pavement[J].Key Engineering Materials,2017,744:190-195.
[3]丛培良,刘建飞,赵志强,等.混凝土桥面铺装用环氧沥青的制备与性能研究[J].郑州大学学报:工学版,2014,35(6):78-81.
[4]徐伟,李孝旭,苏权科,等.热拌环氧沥青混凝土钢桥面铺装施工控制试验研究[J].公路,2014,(10):17-21.
[5]Li S,Huang K,Yang X,et al.Design,preparation and characterization of novel toughened epoxy asphalt based on a vegetable oil derivative for bridge deck paving[J].Rsc Advances,2014,4(84):44741-44749.
[6]Xu P J,Zhu X T,Cong P L,et al.Modification of alkyl group terminated hyperbranched polyester on paving epoxy asphalt[J].Construction&Building Materials,2018,165:295-302.
[7]Hao Z H,Li L,Liao X,et al.Preparation and toughening performance investigation of epoxy resins containing carbon nanotubes modified with hyperbranched polyester[J].Polymer Bulletin,2017,(4):1-14.
[8]陈利东,李璐,郝增恒.聚氨酯-环氧树脂复合改性沥青混合料的研究[J].公路工程,2013,38(2):214-218.
[9]钱振东,王睿,陈团结.橡胶粉掺量对环氧沥青及其混合料性能的影响[J].建筑材料学报,2014,17(2):331-335.
[10]郝增恒,李璐,盛兴跃,等.基于高温固化的环氧沥青开发及性能表征[J].化工新型材料,2017,(10):208-210.
[11]张宜洛.抗滑级配类型沥青混合料的抗滑性能[J].长安大学学报:自然科学版,2003,23(1):7-10.
[12]傅栋梁,钱振东.不同级配类型沥青混合料抗剪性能研究[J].土木建筑与环境工程,2008,30(2):98-102.
[13]郭德栋,许宏妹,李小刚,等.级配类型对纤维沥青混合料路用性能的影响[J].广西大学学报:自然科学版,2010,35(1):116-119.
[14]黄明,黄卫东.级配对环氧沥青混合料高温性能的影响[J].现代交通技术,2008,5(6):10-11.
[15]陈国明.矿料级配走向对沥青混合料性能的影响[J].公路,2009,(3):135-138.