城市道路低噪声路面改造的降噪效果研究:《环境科技》2010年S1期

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城市道路低噪声路面改造的降噪效果研究水利论文M$F_/A"o

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)op!u!u5Lf d x'E A0【摘要】:选择杭州市建国路和庆春路进行一般沥青路面和疏水性低噪声沥青路面降噪比较试验,结果表明在试验条件下采用疏水性低噪声路面在晴天气象条件的降噪效果Leq可达3.8~9.3dB,雨天气象条件的降噪效果Leq可达7.2~8.7dB,疏水性低噪声沥青路面降噪效果明显,并且在城市道路中控制适当的车速有利于减轻交通噪声。

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城市道路 低噪声路面 降噪水利论文!b F+N1`G6H

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0引言城市道路交通噪声主要由汽车排气、车辆齿轮和车体结构、轮胎和地面的相互摩擦、汽车鸣笛等产生。城市交通噪声会对道路沿线居民的身体健康和生活质量产生不利影响,如造成人体听觉受损、引起失眠,降低工作效率等,同时也会对道路沿线的经济发展产生负面的影响,如为治理噪

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