| 摘要 |
The present invention aims to provide a sound insulating device that exerts excellent sound insulating property, the sound insulating device capable of maintaining the sound insulating property over a long period, excelling in assembly workability, and being simply manufactured and readily disposed. In the sound insulating device, a long sound insulating member including a polyhedron body bent at a predetermined angle to open a sound source side is sequentially stacked between supporting columns arranged in an upstanding manner at a predetermined spacing to configure a sound insulating wall 10 having an appropriate height; and sound wave from the sound source is interfered with each other by the polyhedron body to reduce noise. |
