Partition Wall Junction Damping Panels for Flanking Sound Reduction
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Solution Overview
Problem
Existing configurations for reducing flanking sound transmission between partition walls and enclosing structures, such as walls and ceilings, are complex to install and require interrupting the outer layer, which is not recommended and has drawbacks in acoustic performance.
Innovation Solution
Replacing panels along the junction between the partition wall and the enclosing structure with panels having a higher damping loss factor than the outer layer panels, allowing for a continuous outer layer while significantly reducing flanking sound transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the outer layer is interrupted by the partition wall to reduce flanking sound transmission, then acoustic performance is improved, but installation complexity and time increase
Solution Approach 1:
The patent applies local quality by using second panels with higher damping loss factor specifically at the interface location between the partition wall and enclosing structure, while the rest of the outer layer can use standard panels. This localized enhancement of acoustic properties at the critical interface area reduces flanking sound transmission without requiring interruption of the entire outer layer, thereby maintaining installation simplicity while improving acoustic performance.
2Device complexity
If standard panels are used along the junction to simplify installation, then installation complexity is reduced, but flanking sound transmission increases
Solution Approach 1:
The patent changes the physical parameter of damping loss factor for panels at the critical interface location. By selecting second panels with higher damping loss factor than standard panels, the patent modifies the energy dissipation characteristics of the outer layer at the junction area, thereby reducing flanking sound transmission while maintaining the continuous outer layer configuration for simplified installation.
3Object-affected harmful factors
If more studs and screws are used to interrupt the outer layer, then acoustic performance is improved, but manufacturing cost and installation time increase
Solution Approach 1:
The patent extracts the acoustic insulation function from the structural interruption approach. Instead of interrupting the outer layer with additional studs and screws, the patent achieves acoustic performance by selecting panels with appropriate damping loss factor characteristics, thereby separating the acoustic function from the structural continuity requirement and avoiding additional installation complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach simplifies installation, maintains the integrity of the enclosing structure, and provides excellent acoustic properties with minimal impact on the outer layer, reducing flanking sound transmission effectively.
Implementation Method 1
said one or more second panels have a damping loss factor which is higher than the damping loss factor of said first panels
Data Source
Figure 1A~2B
Figure 3A~4B
Figure 5A~5B
AI summary
Provided herein is a construction comprising a junction between a partition wall and an enclosing structure selected from a wall, a ceiling, and a floor; said enclosing structure containing an outer layer formed of panels; wherein said partition wall is positioned against said outer layer, thereby forming an interface between said partition wall and said outer layer. The one or more second panels span the interface and have a damping loss factor which is higher than the damping loss factor of said first panels.