摘要
在概述中国和印尼铁路噪声标准的基础上,对两者差异进行分析,认为印尼昼间噪声限值严于中国标准。采用声学有限元-无限元耦合仿真方法,预测雅万高铁桥梁区段、24 h全天、5个速度等级条件下无声屏障及常规2种高度声屏障的等效声级,结合声屏障结构检算,建议在桥梁声屏障设计中采用轨顶以上3.3 m高插板式金属声屏障。
On the basis of summarizing the railway noise standards of China and Indonesia,the differences between them are analyzed,and it is considered that the daytime noise limit in Indonesia is stricter than that in China.The acoustic finite element-infinite element coupling simulation method is used to predict the equivalent sound level of the soundless barrier and the conventional sound barrier with two heights in the Jakarta-Bandung high-speed railway bridge section,24 hours a day,five speed levels.Combined with the sound barrier structure calculation,it is suggested that the metal sound barrier with a height of 3.3 m above the top of the rail should be used in the design of the bridge sound barrier.
作者
刘鹏
LIU Peng(Designing and Research Institute of Mechanical Power and Environmental Engineering,China Railway Design Group Co.,Ltd.,Tianjin 300308,China)
出处
《铁路节能环保与安全卫生》
2020年第6期8-11,共4页
Railway Energy Saving & Environmental Protection & Occupational Safety and Health
关键词
雅万高铁
噪声标准
声屏障
Jakarta-Bandung high-speed railway
Noise standards
Sound barrier
