延安市圣地路临街某住宅楼环境噪声评价

EVALUATION OF ENVIRONMENTAL NOISE IN A RESIDENTIAL BUILDING OF THE SHENGDI ROAD IN YAN′AN

以延安市圣地路区党校住宅楼为研究对象,通过现场监测、车流量调研及居民问卷调查,评价了该住宅楼的声环境质量.结果表明:该住宅楼室内的昼、夜噪声均已超标,最大Ld为61.9dB,超标率达23.8%,最大Ln为58.3dB,超标率达45.8%,PNC值为45,声环境质量较差.结合圣地路环境特征,提出了改善临街居住声环境质量的措施.

Set Yan′an City Party School of the Shengdi road area residential building for the study object,by field measurement,resident survey,analysis and evaluate the impact of traffic noise on the street residential building.The results indicated that,in Yan′an City Party School of the Shengdi road area residential building,different floor′s street side monitoring points exceed the indoor environmental noise standard,maximum of Ld and Ln was 61.9 dB and 58.3 dB,excessive rate was 23.8% and 45.8%,the value of perfect noise standard curve was 45,sound quality of the environment was poor.According to environmental characteristics of the Shengdi road,proposed to improve acoustic quality of the street construction environmental.