Noise-reducing screens allowing rapid assembly, easy adjustment, acoustic deadening by absorption of the noise by the screens, characterised by : - Supports (reinforced concrete columns or metal columns) making it possible to adjust noise-reducing screens in both dimensions of the horizontal plane and in both dimensions of the vertical plane. - Prefabricated panels comprising : a) a facing metal sheet b) rockwool panels engaged in slideways serving as a guide and as a stiffener for the panels. c) an airspace allowing sound absorption. d) a metal sheet perforated over 30% of its surface to allow the noise to penetrate into the panels. d
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机译：降噪屏可快速组装，轻松调节，通过吸收屏上的噪声来消音，其特点是：-支架（钢筋混凝土柱或金属柱）可在水平两个方向上调整降噪屏平面和垂直平面的两个维度。 -预制板，包括：a）饰面金属板b）嵌在滑道中的岩棉板，用作板的导向件和加强板。 c）允许声音吸收的空域。 d）在其表面上穿孔30％的金属板，以使噪声渗透到面板中。 d
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