标准编号：ISO 140-18:2006
中文名称：声学 建筑物和建筑构件的隔声测量 第18部分：建筑构件上降雨发声的实验室测量
英文名称：Acoustics — Measurement of sound insulation in buildings and of building elements — Part 18: Laboratory measurement of sound generated by rainfall on building elements
发布日期：2006-11
标准范围
This part of ISO 140 specifies a laboratory method of measurement of the impact sound insulation of roofs,roof/ceiling systems and skylights excited by artificial rainfall. The results obtained can be used for assessingthe noise to be produced by rainfall on a given building element in the room or space below. The results canalso be used to compare rainfall sound insulation capabilities of building elements and to design buildingelements with appropriate rainfall sound insulation properties.This part of ISO 140 is based on measurements with artificial raindrops under controlled conditions using awater tank in a laboratory test facility in which flanking sound transmission is suppressed. Measurementsusing real rain, although a useful means for validation purposes, are not included because of the variable,unpredictable and intermittent nature of real rain. Other mechanical simulation methods under investigation byresearchers are not sufficiently well developed at present to adequately simulate real rain both in terms ofsound levels and spectra generated.
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