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Acoustic classification of building facades using statistical methods

机译：使用统计方法的建筑物外观的声学分类

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Indoor acoustic comfort under existing outdoor noise generally depends on the sound insulation characteristics of the building facade. The importance of the acoustic classification of dwelling facade among the classification of other building elements was presented in a COST Action report and by developing the ISO/AWI TS 19488 project. Two approaches are used to describe the facades classification in Europe: first (indirect), establishing the requirements by indoor sound level and, second (direct), specifying the lowest permissible value for the facade sound insulation descriptor depending on the outdoor noise level. Since 2003, the estimated pre-completion acoustic measurement results of dwellings have made it possible to collect sufficient representative statistics of the relationship between building facade sound insulation and the environmental noise data. Simultaneous measurements of noise levels inside the dwelling and the outdoor noise levels on the dwelling's facade give the correlation between noise levels outdoors and indoors as a function of the facade sound insulation. Measurement data were collected for the typical outdoor environment in the main Lithuanian agglomerations where noise levels range from 46 dBA to 70 dBA. Sound insulation of building facades was expressed in D-2m,D-nT,D-w and ranged from 30 dB to 50 dB in four equal groups. A statistically objective procedure for the acoustic classification of facades was developed using the obtained regressions between the noise levels outside and inside the premises for each of the facade groups. (C) 2020 Elsevier Ltd. All rights reserved.
机译：在现有的室外噪声下室内声学舒适度通常取决于建筑立面的隔音特性。在其他建筑元素的分类中，在其他建筑元素分类中的声学分类的重要性在成本行动报告中呈现，并通过开发ISO / AWI TS 19488项目。两种方法用于描述欧洲的外观分类：首先（间接），通过室内声级建立要求，第二（直接），根据室外噪声水平指定门面隔音描述符的最低允许值。自2003年以来，住宅的估计预先完成声学测量结果使得可以收集建筑物立面隔音和环境噪声数据之间的关系的足够代表性统计。同时测量住宅内的噪声水平和住宅外观上的户外噪音水平具有噪音水平与室内的噪声水平之间的相关性，作为门面隔音的功能。在主立陶宛集聚中的典型室外环境收集测量数据，其中噪声水平范围为46 dBa至70dBa。建筑物外观的隔音在D-2M，D-NT，D-W中表示，并在四个相等的组中为30 dB至50 dB。使用对每个外立组的噪声水平与房地外部的噪声水平之间的所获得的回归产生统计学上的物理过程。 （c）2020 elestvier有限公司保留所有权利。

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