Field Measurement and Numerical Simulation of Sound Insulation Characteristics of Buildings Along Elevated Urban Rail Lines
Abstract
:1. Introduction
1.1. Sources and Characteristics of Noise from Elevated Urban Rail Lines
1.2. Research Progress on Sound Insulation of Buildings
1.3. Structure of This Paper
2. Field Measurement
2.1. Description of Test Site
2.2. Test Setup
2.3. Test Results
3. Numerical Simulation of Acoustic Insulation Performance Based on the Window-Wall Assembly Model
3.1. Principles and Assumptions of the Numerical Model
3.2. Parameters for Acoustic Calculations
3.3. Sound Insulation Analysis Using the Window-Wall Assembly Model
3.4. Sound Insulation Analysis Using the Window-Wall Assembly Model with Air Gaps
4. Discussion
4.1. Effect of Windows on Sound Insulation Capability
4.2. Effect of Wall on Sound Insulation Capability
4.3. Limitations of the Current Work
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Type of Wall | Type of Window | Wall Size | Window Size |
---|---|---|---|
Aerated concrete block | Single-glazed sliding windows | 5000 × 3000 × 200 | 2700 × 1500 (Single glazing 5 mm thick) |
Material | Size (mm) | Density (kg/m3) | Elastic Modulus (Pa) | Poisson’s Ratio |
---|---|---|---|---|
Single-pane glass window | 1500 × 1250 × 3 | 2500 | 7.2 × 1010 | 0.2 |
Concrete wall | 5000 × 5000 × 200 | 2500 | 3 × 1010 | 0.2 |
Materials | Size of Components (mm) | Densities (kg/m3) | Elastic Modulus (Pa) | Poisson’s Ratio |
---|---|---|---|---|
Single-pane glass window | 2700 × 1500 × 5 | 2500 | 7.2× 1010 | 0.2 |
Aerated concrete wall | 5000 × 3000 × 200 | 1300 | 4.5× 109 | 0.2 |
Type of Windows | Thickness (mm) | Density (kg/m3) | Elastic Modulus (Pa) | Poisson’s Ratio | Damping Ratio |
---|---|---|---|---|---|
Single-pane glass | 5 | 2500 | 7.2 × 1010 | 0.2 | 0.05 |
Double-pane glass | 5 + 6air + 5 | ||||
PVB Laminated glass | 5 + 0.38PVB + 5 5 + 0.76PVB + 5 | ||||
Double-layer composite structure | 5 + 0.38PVB + 6air + 5 |
Material | Density (kg/m3) | Elastic Modulus (Pa) | Poisson’s Ratio |
---|---|---|---|
Concrete wall | 2500 | 3 × 1010 | 0.2 |
Brick wall | 2100 | 1.22 × 1010 | 0.2 |
Lightweight concrete wall | 1950 | 2.1 × 1010 | 0.2 |
Foam concrete wall | 1300 | 4.5 × 109 | 0.2 |
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Wang, T.; He, W.; Wang, D.; Chen, J. Field Measurement and Numerical Simulation of Sound Insulation Characteristics of Buildings Along Elevated Urban Rail Lines. Buildings 2024, 14, 3799. https://doi.org/10.3390/buildings14123799
Wang T, He W, Wang D, Chen J. Field Measurement and Numerical Simulation of Sound Insulation Characteristics of Buildings Along Elevated Urban Rail Lines. Buildings. 2024; 14(12):3799. https://doi.org/10.3390/buildings14123799
Chicago/Turabian StyleWang, Teng, Wei He, Dongyang Wang, and Jialiang Chen. 2024. "Field Measurement and Numerical Simulation of Sound Insulation Characteristics of Buildings Along Elevated Urban Rail Lines" Buildings 14, no. 12: 3799. https://doi.org/10.3390/buildings14123799
APA StyleWang, T., He, W., Wang, D., & Chen, J. (2024). Field Measurement and Numerical Simulation of Sound Insulation Characteristics of Buildings Along Elevated Urban Rail Lines. Buildings, 14(12), 3799. https://doi.org/10.3390/buildings14123799