Building Material with Protruding Support for Inter-floor Noise
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Solution Overview
Problem
Existing building materials fail to effectively suppress inter-floor noise while being cost-effective and easy to construct, as they often require complex structures and high-cost materials to achieve sound insulation.
Innovation Solution
A building material comprising a support member with a protruding portion and damping members that create an air layer between the inter-floor separation layer and the bottom layer, using metallic materials for strength and mass production feasibility, allowing for efficient noise absorption and lateral noise discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rubber pad is inserted to absorb impact and reduce vibration transmission, then vibrationproof effect is improved, but all layers become attached to each other reducing the overall vibrationproof effect
Solution Approach 1:
The support member is divided into a plate portion and protruding portions that are spatially separated. The protruding portions extend downward and are spaced apart from the lower plate of the damping member, creating discrete contact points rather than continuous attachment. This segmentation allows vibration isolation while maintaining structural support.
Solution Approach 2:
The air gap between the protruding portions of the support member and the lower plate of the damping member acts as an intermediary element. This air layer prevents direct attachment between the support member and damping member, allowing relative movement and vibration absorption while maintaining the floating layer structure.
2Reliability
If an air layer is provided below the lightweight aerated concrete layer to realize a floating layer structure, then inter-floor noise is reduced, but the structure becomes complex and construction costs increase
Solution Approach 1:
The support member combines multiple functions into a single integrated component: it provides structural support through the plate portion, creates the air layer for noise reduction through the spaced protruding portions, and supports the damping member. This merging eliminates the need for separate components to achieve each function, simplifying the overall structure.
Solution Approach 2:
The support member serves multiple purposes simultaneously: it acts as a structural support element, creates the floating layer effect for noise isolation, and provides mounting support for the damping member. This multi-functionality reduces the number of separate components needed and simplifies construction.
3Reliability
If conventional soundproof materials are used to block inter-floor noise, then sound absorption is improved, but the structure becomes complex and manufacturing costs increase
Solution Approach 1:
The damping member includes a lower plate with a porous structure that absorbs impact and vibrations. This porous material provides effective sound and vibration absorption while being cost-effective and easy to manufacture, replacing the need for multiple separate soundproofing layers.
Solution Approach 2:
The damping member is constructed as a composite structure combining an upper plate, lower plate, and connecting portions. This composite design integrates different functional elements into a single manufacturable component that achieves both structural support and vibration damping at lower cost.
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
The solution effectively blocks and suppresses inter-floor noise through a simple structure, reduces construction complexity, and lowers manufacturing costs by using easily producible materials, ensuring secure installation and improved workability.
Implementation Method 1
a plurality of damping members disposed between the inter-floor separation layer and the support member
Implementation Method 2
allow the inter-floor separation layer to be spaced apart from the support member
Data Source
AI summary
Provided is a building material that is disposed between an inter-floor separation layer configured to separate floors of a building having a plurality of floors from each other and a bottom layer disposed above the inter-floor separation layer. The building material includes a support member disposed between the inter-floor separation layer and the bottom layer, having a top surface of which at least a portion contacts the bottom layer, and including a protruding portion protruding downward, extending in at least one direction, and having an inner space and a plurality of damping members disposed between the inter-floor separation layer and the support member and each of which has a lower plate contacting a portion of the inter-floor separation layer and an upper plate contacting a portion of the support member to allow the inter-floor separation layer to be spaced apart from the support member.