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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(Amendments Included) SUBJECT of the Invention The sound-insulating-wall structure where appropriate sound quality can be compactly ensured in sound-insulation space is provided. PROBLEM to be solved It is a wall structure， Comprising: At least 1 layer 20 a-b comprised so that a sound may be attenuated is provided so that the inner surface which has a sound effect may be formed. At least 1 layer 30 comprised so that the 1st damping element A and sound may be interrupted|blocked is provided. At least 1 layers 40 and 50 comprised so that a sound may be attenuated are provided so that the inner surface which has the 1st blockage element B and sound effect may be formed. At least 1 layer 60 comprised so that the 2nd damping element C and sound may be interrupted|blocked is provided. Providing the 2nd blockage element D， said 1st damping element A and said 2nd damping element C have porous or the material of an open cell type|mold. SELECTED DRAWINGS FIG. 2 [MAT_IMAGE 000002]
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
