声学.用声屏蔽法控制办公室和工作场所噪音的指南

[中文适用范围]： 本标准论述了声屏障的效用。它规定丁声屏障用户与供应商或厂家需协商一—致的声学和使用要 求。本标准可用于下列各种声屏障： a) 用于办公室、服务区、展区及类似场所的独立声屏障； b) 与此类场所的家具设施相结合的声屏障； c) 用于车间的便携式和移动式声屏障； d) 未作声学处理的、具有10％以上开口面积的房间固定分隔墙。 与房间边界面一起同样将房间分隔的局部隔声罩和工作问的墙体，其表面未做声学处理，并且具有 10％以—卜开口面积，也可看作为声屏障。 注：GB／T 19886给出了全封闭隔声罩的指南。 本标准不适用于小房间的墙和厚度超过o．2 m的类似多层墙，也不适用于横幅和其他类型的悬吊 障板。 [外文原描述]： ISO 17624:2004 deals with the effectiveness of acoustical screens. It specifies the acoustical and operational requirements to be agreed upon between the supplier or manufacturer and the user of acoustical screens. ISO 17624:2004 is applicable to the following types of acoustical screens: free-standing acoustical screens for offices, service areas, exhibition areas, and similar rooms; acoustical screens integrated in the furniture of such rooms; portable and removable acoustical screens for workshops; fixed room partitions with more than 10 % of the connecting area open and acoustically untreated. Walls of partial acoustic enclosures and cabins which, together with the room boundary surfaces, also partition a room and provide more than 10 % open and acoustically untreated area, are also treated as acoustical screens. ISO 17624:2004 is not applicable to cabinet walls and similar multi-layer walls whose thickness exceeds 0,2 m, nor to banners and other types of suspended baffles.