可降解汽车尾气的沥青混合料开发及工程应用

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (4): 1405-1412.

• 道路材料 • 上一篇

可降解汽车尾气的沥青混合料开发及工程应用

李威睿¹, 彭庚¹, 伍燕华², 董学乾³, 徐世法⁴

1.北京建筑大学,北京市城市交通基础设施工程技术中心,北京 100044;
2.濮阳市公路管理局,河南 457000;
3.濮阳市通达路桥工程监理有限公司,河南 457000;
4.北京建筑大学,未来城市设计高精尖创新中心,北京 100044

收稿日期:2020-12-25 修回日期:2021-01-25 出版日期:2021-04-15 发布日期:2021-05-11
通讯作者: 徐世法,博士,教授。E-mail:xu-sf@126.com
作者简介:李威睿(1995—),男,硕士研究生。主要从事道路工程方面的研究。E-mail:957523383@qq.com
基金资助:
国家自然科学基金面上项目(51678028,51978034);北京建筑大学未来城市设计高精尖创新中心重大科技项目(X18159);北京建筑大学市属高校基本科研业务费专项资金资助(X20105);北京市交通委员会科技项目(XM-0170104230180726004);北京市交通行业科技项目(2020-kjc-01-360)

Automobile Exhaust Degradable Asphalt Mixture Development and Engineering Application

LI Weirui¹, PENG Geng¹, WU Yanhua², DONG Xueqian³, XU Shifa⁴

1. Beijing Urban Traffic Infrastructure Engineering Research Center, Beijing University of Civil Engineering and Architecture,Beijing 100044, China;
2. Puyang Highway Administration Bureau, Henan 457000, China;
3. Puyang Tongda Road and BridgeEngineering Supervision Co., Ltd., Henan 457000, China;
4. Beijing Advanced Innovation Center for Future Urban Design,Beijing University of Civil Engineering and Architecture, Beijing 100044, China

Received:2020-12-25 Revised:2021-01-25 Online:2021-04-15 Published:2021-05-11

摘要/Abstract

摘要： 针对城市汽车尾气所造成的空气污染问题,开发了纳米二氧化钛基光催化降解材料(WLSF-TiO₂),将其添加到薄层罩面沥青混合料中,并在北京市景山前街路面预防性养护工程中进行了应用。室内研究与对比评价表明,添加该材料后,沥青混合料的路用性能仍然满足规范要求,与普通二氧化钛基光触媒材料相比,其对汽车尾气中主要污染物(NO_x、HC、CO)的降解效果提高约30%;实体工程应用检测结果表明,添加WLSF-TiO₂的路面,其路幅范围内汽车尾气中主要污染物降解效果可达10%左右。

关键词: 汽车尾气, 降解, 沥青混合料, 二氧化钛基光催化降解材料, 性能评价, 工程应用

Abstract: A new type of nano-TiO₂-based photocatalytic degradation material (WLSF-TiO₂) was developed to degrade automobile exhaust in urban areas. The thin-layer overlay asphalt mixture was prepared by the addition of WLSF-TiO₂ and applied in the pavement preventive maintenance project of Beijing Jingshan Qian Avenue. The indoor evaluation indicated that, with the addition of WLSF-TiO₂, the road performance of asphalt mixture still meets the Chinese specification of asphalt mixture, while the effect of automobile exhaust (NO_x, HC, CO) degradation is increased by more than 30% contrast to asphalt mixture with traditional TiO₂ additive. The outdoor measurements in pavement site show that the automobile exhaust degradation effect of WLSF-TiO₂ reaches about 10%.

Key words: automobile exhaust, degradation, asphalt mixture, TiO₂-based photocatalytic degradation material, performance evaluation, engineering application

中图分类号:

U416.217

李威睿, 彭庚, 伍燕华, 董学乾, 徐世法. 可降解汽车尾气的沥青混合料开发及工程应用[J]. 硅酸盐通报, 2021, 40(4): 1405-1412.

LI Weirui, PENG Geng, WU Yanhua, DONG Xueqian, XU Shifa. Automobile Exhaust Degradable Asphalt Mixture Development and Engineering Application[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(4): 1405-1412.

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可降解汽车尾气的沥青混合料开发及工程应用

Automobile Exhaust Degradable Asphalt Mixture Development and Engineering Application

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