WALL STRUCTURE
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A wall structure with a first dampening element (A) includes at least one layer ( 20，20a-c) configured to form an acoustic inner surface and/or to dampen sound; a first stopping element (B) including at least one layer (30) configured to stop sound; a second dampening element (C) including at least one layer (40，40′，50) configured to form an acoustic inner surface and/or to dampen sound; and a second stopping element (D) comprising at least one layer (60) configured to stop sound; wherein the layers of the first (A) and second (C) dampening element comprise porous and/or open cell material.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
