| 摘要 |
A sound-insulating partition wall comprises vertical studs (2) at a distance of about 40-60 cm from each other, at least one wallboard (3), preferably a gypsum wallboard, attached at each side of the stud, and optionally mineral wool wholly or partly filling the cavity between the studs. Each stud of bent sheet steel has two parallel flanges (12, 13) and an intermediate web (14-18), being retracted at at least half the length between the flanges (12, 13) a distance that is between 1/3 and 2/3 of the width of the flanges.
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