| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a porous, sound-absorbing and vibration-damping block produced by using, as its main raw materials, water granulated iron-blast-furnace slag and glass cullet. SOLUTION: This method for using the above block, comprises: further combining this block having a 30 mm thickness with soft butyl rubber having a 3 mm thickness to form a combined block used as a sound-absorbing and vibration-damping block; or placing this block (described in PURPOSE) having a 100 mm thickness in the vicinity of a railway slab track (solid bed track) as a measure to counter noise.</p> |
