Study On Acoustic Environment Of Street Buildings Of Qinling Valley Townships

Nowadays,the noise has broken the tranquility of townships in the past.In the rapid development of townships,the noise pollution has been seriously neglected.In particular,with the advancing development of transportation,the acoustic environment of township residential buildings along the streets has become worse.However,the research on noise pollution at this stage is basically concentrated in the urban area and has not been extended to townships.Therefore,it is extremely urgent to increase the research on acoustic environment of townships.Before the writing of the paper,more than 40 valley townships in the Qinling Mountains were visited and investigated.6 townships were selected for key research.The questionnaires and objective tests were used to conduct in-depth investigations on the acoustic environment of street buildings in six key townships.First,statistics and analyze the results of the questionnaires collected.Understand the individual characteristics of township residents,and learn about the local residents' subjective evaluation on the indoor acoustic environment of buildings along the streets.Through the survey,it was found that 47%of respondents from townships believed that the indoor acoustic environment was noisy.And a total of 59% of respondents hope to improve the status quo of indoor acoustic environment in street buildings.Analyzing the test data,the equivalent sound levels of all six key townships exceeded 60 dB.Second,the characteristics of the acoustic environment in the valley towns of the Qinling Mountains were analyzed.Based on the questionnaire results and monitoring data,a traffic noise prediction model for each township was established and the regression curve between the equivalent A sound level and subjective comfort of townships was fitted.By comparing the current sound environment evaluation standards,we propose the new acoustic environmental quality standards suitable for the region.And using noise simulation software,the representative areas of townships were analyzed.Relying on the established model,a simulation analysis was made of the factors that influenced the noise.Finally,through the study of theory,and combined with the results of the study.Putting forward the acoustic environment optimization design strategy for the valley townships residential buildings along the streets in the Qinling Mountains of township residential buildings along the streets from the macro-levels of the functional zoning and road traffic planning of townships,noise control of building design,as well as setting sound barriers and green belts from the micro-levels.