铁路声屏障抗疲劳性能试验机设计  

Design of Anti-fatigue Performance Testing Machine for Railway Sound Barrier

作　　者：刘烁 洪蔚 李鹏 董大为 LIU Shuo;HONGWei;LI Peng;DONG Dawei(Energy Saving&Environmental Protection&Occupational Safety and Health Research Institute,China Academy of Railway Sciences Co.,Ltd.,Beijing 100081,China)

机构地区：[1]中国铁道科学研究院集团有限公司节能环保劳卫研究所,北京100081

出　　处：《铁路节能环保与安全卫生》2020年第6期5-7,51,共4页Railway Energy Saving & Environmental Protection & Occupational Safety and Health

基　　金：中国铁道科学研究院集团有限公司科研开发基金项目(2017YJ106)。

摘　　要：铁路多采用声屏障措施以减少运行产生的噪声污染,抗疲劳性能是声屏障研发设计中的一项重要指标。在阐述声屏障抗疲劳性能的基础上,结合列车脉动风压作用及声屏障特点,从设计背景、主要结构和设备可靠性等方面设计一种适用于铁路声屏障抗疲劳试验的疲劳试验机,并对其应用前景进行分析。Sound barriers are used along the railway line to reduce noise pollution caused by operation,anti-fatigue performance is an important indicator in research,develop and design of sound barrier.On the basis of expounding the antifatigue performance of sound barrier,combined with train fluctuating wind pressure and the characteristics of sound barrier,a fatigue testing machine suitable for anti-fatigue test of railway sound barrier is put forward from the aspects of design background,main structure and equipment reliability,and its application prospect is analyzed.

关 键 词：声屏障 列车气动力 抗疲劳性能 试验机 

分 类 号：U213.8[交通运输工程—道路与铁道工程]