| 摘要 |
Anti-noise constructions. The screen is characterised in that it comprises: . at least one container 5 which can hold a mass of soil, arranged along the span above an absorbent panel 3, wedged by its ends between posts 2 and pressed against the panel 3, so that the container 5 and the panel 3 constitute an acoustic screen in which the container 5 constitutes the top, . sound insulation means 12, 26, 27, forming joints between the absorbent panel 3, the container 5 and the posts 2, . and in that the longitudinal walls 14, 15, of the holding container at least partially jut out on each side of the limits defined by the two faces of the absorbent panel 3. Application to anti-noise constructions for road or railway traffic. <IMAGE>
|
