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【英文标准名称】:Acoustics-Measurementofsoundabsorptionpropertiesofroadsurfacesinsitu-Extendedsurfacemethod
【原文标准名称】:声学.施工现场路面对噪声吸收性能的测量.扩大表面法
【标准号】:BSISO13472-1-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-19
【实施或试行日期】:2002-07-19
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:吸收;声学测量;声学试验;声学;定义;评估;频率;现场;测量;测量技术;路面(道路);性能;道路上层结构;路面;吸声;吸声系数;表面;测试
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Definitions;Evaluations;Frequencies;Insitu;Measurement;Measuringtechniques;Pavements(roads);Properties;Roadsuperstructure;Roadsurfaces;Soundabsorption;Soundabsorptioncoefficient;Surfaces;Testing
【摘要】:ThispartofISO13472describesatestmethodformeasuringinsituthesoundabsorptioncoefficientofroadsurfacesasafunctionoffrequencyintherangefrom250Hzto4kHz.Normalincidenceisassumed.However,thetestmethodcanbeappliedatobliqueincidencealthoughwithsomelimitations(seeannexF).Thetestmethodisintendedforthefollowingapplications:—determinationofthesoundabsorptionpropertiesoftesttracksaccordingtoISO10844,withlimitations,andothersimilarstandards;—determinationofthesoundabsorptionpropertiesofroadsurfacesinactualuse;—comparisonofsoundabsorptiondesignspecificationsofroadsurfaceswithactualperformancedataofthesurfaceaftercompletionoftheconstructionwork.Thecomplexreflectionfactorcanalsobedeterminedbythismethod.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_30;93_080_20
【页数】:36P;A4
【正文语种】:英语