Table 1 Construction properties of the double leaf wall cases.
From: Airborne sound insulation performance of lightweight double leaf walls with different stud types
Case No. | Stud properties | Wall properties | ||
|---|---|---|---|---|
Type | Spacing (mm) | Cavity | Leafâ‘ | |
A1 | Woodâ‘¡ | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
A2 | Wood | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 2 × 13 mm |
B1 | C-type Steel (Thickness: 0.53 mm; Flange width: 31 mm) | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
B2 | C-type Steel (Thickness: 0.53 mm; Flange width: 31 mm) | 600 | Air: 90 mm | Top: 13 mm Bottom: 13 mm |
B3 | C-type Steel (Thickness:1.22 mm; Flange width: 34 mm) | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
B4 | H-type Steel (Thickness:0.53 mm; Flange width: 31 mm) | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
B5 | W-type Steel (Thickness:0.53 mm; Flange width: 36 mm) | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
B6 | Z-type Steel (Thickness:0.53 mm; Flange width: 38 mm) | 600 | Mineral Fiber: 90 mm | Top: 13 mm Bottom: 13 mm |
C1 | Staggered Wood | 600 | Cavity width: 145 mm; Mineral Fiber (Partial filling):130 mm | Top: 13 mm Bottom: 13 mm |
C2 | Double Wood | 600 | Cavity width: 205 mm Mineral Fiber (Partial filling):180 mm | Top: 13 mm Bottom: 13 mm |
C3 | Staggered C-type Steel (Thickness: 0.53 mm; Flange width: 31 mm) | 600 | Cavity width: 145 mm Mineral Fiber (Partial filling):130 mm | Top: 13 mm Bottom: 13 mm |
C4 | Double C-type Steel (Thickness: 0.53 mm; Flange width: 31 mm) | 600 | Cavity width: 205 mm Mineral Fiber (Partial filling):130 mm | Top: 13 mm Bottom: 13 mm |
C5 | Rubber isolation clip with C-type Steel (Thickness: 0.53 mm; Flange width: 31 mm) | 600 | Cavity width: 145 mm Mineral Fiber (Partial filling):130 mm | Top: 13 mm Bottom: 13 mm |
