Research Article

Study on Noise Prediction and Reduction in Coupled Workshops Using SEA Method

Table 1

The material properties and DLFs of structures.

MaterialDensity kg/m3Young’s modulus PaPoisson’s ratioDLF

Concrete (floors)1900 1 . 6 × 1 0 1 0 0.250.02
Brickwork (walls)1900 1 . 6 × 1 0 1 0 0.20.02
Plasterboard (clapboard and ceiling)800 2 × 1 0 9 0.26Calculated by Jaime et al. [14]’s formula
Plywood (doors)700 6 × 1 0 9 0.250.01
Glass (windows)2300 6 . 2 × 1 0 1 0 0.240.01