文档介绍：Cadna/A软件与FHWA模型在交通噪声预测中的比较研究 491 文章编号:1006-1355(2009)S1—0491—04 0adna/A软件与FHWA模型在交通噪声预测中的比较研究韩鹏,徐志胜(中铁二院工程集团有限责任公司环境工程研究院,成都61 0031) 摘要:合适的预测模式是准确预测公路交通噪声的基本前提。分别利用基于RLS90模式的Cadna/A软件与基于我国目前使用的FI-IWA模型的Excel表公式计算方法对成一温一邛高速公路噪声进行了计算,并与实际监测结果作了比较。结果显示,在相同工况下,Cadna/A软件计算结果与实际监测结果更为符合,表明基于RLS90模型的CadnaA软件适用于我国公路噪声模拟。关键词:声学;RLS90: Cadna/A:FHWA:道路;噪声;环境影响评价中图分类号::parison ofCadna/A andFHWA Model in Traffic noise Prediction Han Peng,XU Zhisheng (Environmental Engineering Research Institute,China Railway Eryuan Engineering Group ,Chengdu 60031,China) Abstract:It the essential prerequisite forroad noise prediction to afford a appropriate calculating for ahighway calledChengdu—Wen—Qiong was calculated,with theSoftware named Cadna/A based on RLS90 calculating model and with Excel based onFHWA model which used atpresent in our country, ofthe calculating values pared with site—measuring found that the results with Cadna/A were more consistent with the site—measuring based on RLS90 suitablefor roadnoise predicting in our country. Key words:acoustics;RLS90;Ca血a/A;FHWA;road;noise;environmental impact assessment. Cadna/A软件是一款利用WINDOWS作为操作平台的噪声模拟和控制软件。该软件适用于工业设施、道路、铁路和区域等多种噪声源的影响预测、评价、工程设计与控制对策研究。本文首先利用基于RLS90模式的Cadna/A 软件与基于我国目前使用的FHWA模型的Excel 表公式计算方法对成温邛高速公路噪声进行计算,并与实际监测结果作比较?。 1Cadna/A的交通噪声预测计算方法 Cadna/A