HET-Y(C)型沥青混凝土在提升隧道路面质量中的关键工艺研究  

Research on the Key Process of HET-Y(C)Asphalt Concrete in the Improvement of Tunnel Pavement Quality

作　　者：周勇 邓星鹤 许新权 李善强 吴传海 Zhou Yong;Deng Xinghe;Xu Xinquan;Li Shanqiang;Wu Chuanhai(Guangdong Hualu Transportation Technology Co.,Ltd.,Guangzhou 510420,China;Guangdong Jiaoke Technology R&D Co.,Ltd.,Guangzhou 510420,China)

机构地区：[1]广东华路交通科技有限公司,广州市510420 [2]广东交科技术研发有限公司,广州市510420

出　　处：《北方交通》2024年第8期74-77,82,共5页Northern Communications

摘　　要：HET-Y(C)型半开级配沥青混凝土具有较大的孔隙及良好的抗滑能力,能够较好地吸收噪声,解决隧道水泥混凝土路面行车噪声大、抗滑性能衰减快、行车舒适性差等问题。文章依托实体工程进行研究,得到拌和时间、摊铺速度、碾压工艺等影响HET-Y(C)型沥青混凝土路面质量的关键施工参数。通车1年后,路面国际平整度指数约为1.0m/km,横向力系数大于62,等级均为优;100km/h行车速度下路面噪声小于73dB,极大提高了隧道路面的行车安全性及舒适性。HET-Y(C)semi-open graded asphalt concrete has large pores and good anti-skid ability,which can absorb noise well,and solve the problems of large driving noise,rapid attenuation of anti-skid performance and poor driving comfort of tunnel cement concrete pavement.Based on the physical engineering,the key construction parameters affecting the quality of HET-Y(C)asphalt concrete pavement are obtained,such as mixing time,paving speed,rolling process and so on.After one year of traffic opening,the international flatness index of the pavement is about 1.0m/km,and the transverse force coefficient is greater than 62,and the grades are excellent.The pavement noise is less than 73dB at 100km/h driving speed,which can greatly improve the driving safety and comfort of the tunnel pavement.

关 键 词：HET-Y(C)型沥青混凝土 隧道路面 降噪 

分 类 号：U453.82[建筑科学—桥梁与隧道工程]