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    • 10. 发明专利
    • Concrete sound absorbing structure
    • 混凝土吸声结构
    • JP2007120200A
    • 2007-05-17
    • JP2005315512
    • 2005-10-29
    • Gaeart Tk:KkGeostr CorpKumagai Gumi Co Ltdジオスター株式会社株式会社ガイアートT・K株式会社熊谷組
    • WAKAYAMA HIROYASUITO AKIHIKOGOTO HIROYUKIOWAKI MASANAOKONDO SEIICHITANAKA HIDEKIHOSHINA NORIKONAKATANI IKUO
    • E01F8/00C04B18/14C04B28/02G10K11/16
    • Y02W30/94
    • PROBLEM TO BE SOLVED: To provide a concrete sound absorbing structure at a low cost, which exhibits a high sound absorption coefficient, excellently absorbs noise having a frequency that falls in the range of a main frequency band of traffic noise, and facilitates mounting work thereof. SOLUTION: According to the concrete sound absorbing structure, a porous concrete panel 30 is mounted on a concrete wall body 20. The porous concrete panel 30 has a plurality of mounting fittings 31 embedded therein such that their distal ends protrude to a rear surface of the porous concrete, while the wall body 20 has insertion holes 21 formed therein at locations corresponding to the mounting fittings 31 embedded in the porous concrete panel 30, such that the mounting fittings 31 are loosely insertable in the insertion holes 21. Further the wall body 20 has a recess 22 in which the porous concrete panel 30 is embedded, such that a front surface of the porous concrete panel 30 is almost flush with a front surface of the wall body 20 when the porous concrete panel 30 is bonded to the wall body 20 by means of an adhesive. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了以低成本提供具有高吸声系数的混凝土吸声结构,能够良好地吸收具有落在交通噪声的主频带范围内的频率的噪声,并且便于 安装工作。 解决方案:根据具体的吸音结构,将多孔混凝土面板30安装在混凝土墙体20上。多孔混凝土面板30具有嵌入其中的多个安装配件31,使得其远端突出到后部 多孔混凝土的表面,而壁体20在其中形成有插入孔21中的位置,该位置对应于嵌入多孔混凝土面板30中的安装配件31,使得安装配件31可松动地插入到插入孔21中。此外, 壁体20具有嵌入多孔混凝土面板30的凹部22,使多孔混凝土面板30的前表面与多孔混凝土面板30的前表面几乎与壁体20的前表面平齐时, 壁体20通过粘合剂。 版权所有(C)2007,JPO&INPIT