南京航空航天大学学报（英文版）2020，Vol.37Issue(2)：343-352,10.
新型无铆型声屏障单元板结构设计及力学与声学性能分析
Mechanical and Acoustic Performance Test of New Designed Metal Noise Barrier Unit Plate with No?Riveted Connection
摘要
Abstract
The modern transportation system is increasingly developed during recent years. It is an effective solutionto set the noise barriers to reduce the traffic noise pollution caused by different kinds of transportation systems. Many deficiencies on concrete noise barriers and metal noise barriers with rivet structure can be eliminated by a new kind of noise barrier with no?riveted structure. The mechanical performance examination and acoustic performance test are conducted on the new?designed noise barrier with no?riveted structure. The results indicate that the maximum stress is 1.74 MPa and the maximum deformation is 1.04 mm with load acting on the unit plate. The noise reduction coefficient of this kind of no?riveted noise barrier unit plate is 0.75 and its noise insulation is 40 dB,which were conform to or superior to the standard requirements. Therefore, this new designed noise barrier meets the field application requirements of mechanical and acoustic performance,which demonstrates the noise barriers can be widely promoted.关键词
声屏障单元板/无铆连接/结构设计/力学性能/声学性能Key words
noise barrier unit plate/no⁃riveted connection/structure design/mechanical performance/acoustic performance分类
交通工程引用本文复制引用
栾皓翔,吴瑾,潘佳玉,朱万旭,周红梅,彭翰泽..新型无铆型声屏障单元板结构设计及力学与声学性能分析[J].南京航空航天大学学报（英文版）,2020,37(2):343-352,10.基金项目
This paper is supported by the Nation?al Natural Science Foundation of China (No. 51768014). Authors also appreciate the assistance from all the staffs at the Shanghai Zhong Chi Group Co.,Ltd. （No. 51768014）
