Lightweight Composite Partitions with High Sound Insulation in Hotel Interior Spaces: Design and Application
Abstract
:1. Introduction
2. Theory Analysis
2.1. Simulation of Single Layer Partition
2.2. Sound Insulation Theory of Multilayer Composite Partition
3. Simulation and Experiment Setup
3.1. Configuration Design for Composite Partition
3.2. Simulation Models
3.3. Experimental Settings
4. Results and Discussion
4.1. Insulation Performance of the Base Case
4.2. Elastic Panel Parameters Discussed
4.2.1. Influence of Young’s Modulus
4.2.2. Influence of Gypsum Board’s Thickness
4.2.3. Influence of Density
4.3. Influence of the VEM Core’s Thickness
4.4. Influence of Composite Partition Walls’ Configuration
4.5. Optimal Configuration
5. Conclusions
- (1)
- The parameters of Young’s modulus, thickness, surface density and VEM damping core layer thickness of elastic panel are important factors influencing the sound insulation performance of CLD partitions.
- (2)
- As for lightweight and high sound insulation composite partition, the sound insulation performance can be improved by using different inter-layer combinations.
- (3)
- Adding VEM layer to the configuration can effectively suppress and reduce the resonance valley in the first stiffness control area, which thus can effectively improve the sound insulation performance of the whole structure.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Name | Type | Material Specification (mm) | Thickness (mm) | Surface Density (kg/m2) |
---|---|---|---|---|
Case 1 | Three-layer composite structure | 12 gypsum board + 1 IIR + 12 gypsum board | 25 | 15.4 |
Case 2 | Five-layer composite structure | 12 gypsum board + 2 IIR + 9.5 gypsum board + 1 IIR + 9.5 gypsum board | 34 | 23.8 |
Case 3 | Seven-layer composite structure | 12 gypsum board + 3 IIR + 12 gypsum board + 2 IIR + 9.5 gypsum board + 1 IIR + 9.5 gypsum board | 49 | 36.3 |
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Qu, T.; Wang, B.; Min, H. Lightweight Composite Partitions with High Sound Insulation in Hotel Interior Spaces: Design and Application. Buildings 2022, 12, 2184. https://doi.org/10.3390/buildings12122184
Qu T, Wang B, Min H. Lightweight Composite Partitions with High Sound Insulation in Hotel Interior Spaces: Design and Application. Buildings. 2022; 12(12):2184. https://doi.org/10.3390/buildings12122184
Chicago/Turabian StyleQu, Ting, Bo Wang, and Hequn Min. 2022. "Lightweight Composite Partitions with High Sound Insulation in Hotel Interior Spaces: Design and Application" Buildings 12, no. 12: 2184. https://doi.org/10.3390/buildings12122184