摘要 |
The beams (8) come in slat or plank form both sides of the columns (4,5) and their interposed spaces are filled with acoustic material composed of rubble and clarified slurry bulks, possibly with added wood shavings. The columns or endwalls (4,5) are composed of segments (6) and the beams or slats are set freely in grooves or recessed angled inwards. Segments are made of concrete.
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