公路混凝土路面噪声分区与限值标准

发布时间：2019-04-19 16:00

【摘要】：为了控制和降低混凝土路面的噪声,对混凝土路面噪声分区和限值参考标准进行了研究。采用随车声强法(OBSI)对多条高速公路混凝土路面与部分沥青路面的噪声水平进行了测试;采用统计产品与服务解决方案软件(SPSS)对样本数据统计分析后,运用K-均值聚类及阈限分析方法,得到了各个混凝土路面噪声K-均值聚类中心终值和所属聚类。在此基础上,初步确定了混凝土路面噪声的分区范围并最终以中间聚类代表的混凝土路面噪声范围的95%分位值为基准,提出了混凝土路面噪声限值参考标准。研究结果表明:混凝土路面随车声强噪声范围可划分为3个区域,1区为低端容许区,OBSI噪声测试值低于100dB(A),多孔和露石等新型降噪混凝土路面的噪声值均在此区域;2区为中端控制区,OBSI噪声测试值介于100~106dB(A),纵向刻槽和部分横向刻槽混凝土路面的噪声均在此区域;3区为高端限值区,OBSI噪声测试值高于106dB(A),大部分横向刻槽和平整度差的混凝土路面的噪声分布在此区域。
[Abstract]:In order to control and reduce the noise of concrete pavement, the noise partition and limit standard of concrete pavement are studied. In this paper, the noise level of concrete pavement and some asphalt pavement of expressway is tested by using the method of along-the-car sound intensity (OBSI). After statistical analysis of sample data with statistical product and service solution software (SPSS), K-means clustering and threshold analysis methods are used to obtain the final value of K-means clustering center and the clustering of each concrete pavement noise. On this basis, the division range of concrete pavement noise is preliminarily determined. Finally, based on 95% of the noise range of concrete pavement represented by intermediate clustering, the reference standard of noise limit value of concrete pavement is put forward. The results show that the noise range of concrete pavement can be divided into three areas, the first area is low-end allowable area, and the OBSI noise test value is lower than that of 100dB (A), porous concrete pavement and dewdrop concrete pavement. The second area is the middle control area, and the OBSI noise test value is in the 100~106dB (A), longitudinal grooves and some transverse grooves of concrete pavement noise in this area; The OBSI noise test value is higher than that of most of the transverse grooves and poor roughness of the concrete pavement in the area 3. The noise distribution of the concrete pavement is in this area.
【作者单位】：兰州交通大学甘肃省道路桥梁与地下工程重点实验室;长安大学道路结构与材料交通行业重点实验室;甘肃长达路业有限责任公司;
【基金】：国家自然科学基金项目(51408287,51568037) 教育部长江学者和创新团队发展计划项目(IRT1139) 甘肃省交通建设科技项目(2011-08) 中央高校基本科研业务费专项资金项目(2013G1502025) 兰州交通大学科技支撑基金项目(ZC2012004)
【分类号】：U491.91

【参考文献】