| 摘要 |
<p>The device (2) has a sound proofing unit (4) and a dimensionally stable support unit supporting the sound proofing unit, where the support unit is formed by a profile unit (6). The profile unit is composed of a fiber-reinforced material e.g. fiber-reinforced plastic, fiber-reinforced concrete and/or fiber-reinforced polymer concrete, where material of the profile unit is reinforced with glass fiber, metal fiber and/or aramid fiber.</p> |
