Research Article
Study on Noise Prediction and Reduction in Coupled Workshops Using SEA Method
Table 1
The material properties and DLFs of structures.
| Material | Density kg/m3 | Young’s modulus Pa | Poisson’s ratio | DLF |
| Concrete (floors) | 1900 | | 0.25 | 0.02 | Brickwork (walls) | 1900 | | 0.2 | 0.02 | Plasterboard (clapboard and ceiling) | 800 | | 0.26 | Calculated by Jaime et al. [14]’s formula | Plywood (doors) | 700 | | 0.25 | 0.01 | Glass (windows) | 2300 | | 0.24 | 0.01 |
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