Noise pollution measurement and analysis of Wuhan-Guangzhou express railway train interior and exterior

By measurement and analysis of the noise along Wuhan-Guangzhou express railway, conclusions as follows can be educed: during the measurement, noise in the railway passenger coach go beyond GB/T12816-2006, and some go beyond severly(more than 11.65dB(A)); noise on the boundary alongside express railway line measure up to GB12525-90; in 2 noise environment functional area, day-time noise measure up to GB3096-2008 hardly on the boundary of functional area, night-time noise go beyond the limit generally, night-time burst noise go beyond the limit severly (more than 18.4 dB(A)); the more train density, the more noise pollution along express railway, in 2 noise environment functional area, whether the day-time noise can measure up to GB3096-2008 has been a question, and along with the delay of train finishing business, night-time noise go beyond the limit more.