| 摘要 |
<p>A sound-absorbing device (10) for use as a sound barrier (11). The device includes at least one elongated tubular member (12) of fiber-reinforced, thermosetting resin formed by pultrusion and having a hollow interior able to receive sound-absorbing material (13). The hollow interior is filled with sound-absorbing material (13) including particulate, recycled polymer firmly compacted within and substantially filling the hollow interior of the tubular member (12).</p> |
