Composite Building Studs with Foldable Webs for Wall Panels
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Solution Overview
Problem
Existing wooden and steel studs face issues in mounting wall panels due to humidity-induced shape changes and inadequate attachment methods, respectively, leading to visible defects and deformation.
Innovation Solution
A building stud with flange portions made of wood fibre members and a polymer or cellulose fibre based sheet member featuring lines of weakness, allowing it to be folded from a retracted storage position to an expanded mounting position, facilitating secure attachment of wall panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wooden studs are used, then they provide good screwing or nailing capability, but they are relatively heavy and tend to propeller during storage
Solution Approach 1:
The building stud combines wood fiber members for flange portions with a polymer-based or cellulose fiber-based sheet material for the web portion, creating a composite structure that reduces weight while maintaining attachment capabilities. The sheet material can be folded along lines of weakness to transform from storage to mounting position, providing both lightness and structural functionality.
2Object-generated harmful factors
If steel studs with thin steel sheets are used, then cost is reduced and sound transmission is improved, but nailing is not possible and screwing is problematic due to deformation
Solution Approach 1:
The building stud uses wood fiber members with substantial thickness for flange portions, providing sufficient material strength for secure screwing and nailing of wall panels without deformation. The polymer-based or cellulose fiber-based sheet material for the web portion maintains thin profile for sound isolation while the overall composite structure ensures mounting capability.
Solution Approach 2:
The building stud changes the material parameters by using wood fiber members with thickness of 15-40 mm for flange portions, providing substantial material for secure attachment. The sheet material thickness is controlled at 1-5 mm to balance sound transmission properties with structural integrity for mounting operations.
3Volume of moving object
If steel studs are boxed during transport and storage, then storage volume is reduced, but the structure becomes more complex to deploy
Solution Approach 1:
The building stud incorporates a sheet material that can be folded along lines of weakness, transforming from a compact flat configuration during storage to an expanded three-dimensional structure during mounting. This dynamic transformation simplifies deployment compared to unboxing operations while maintaining compact storage volume.
Solution Approach 2:
The sheet material is designed with lines of weakness that segment the structure into foldable sections, allowing easy transformation from storage to mounting position. This segmentation enables intuitive deployment without complex assembly instructions or tools.
Data Source
AI summary
A building stud for forming a framework for mounting wall panels can include a first and a second flange portions and a web portion interconnecting the flange portions. The flange portions can include a planar, elongated wood fibre member, and the web portion can include a polymer based and/or cellulose fibre based sheet member. The web portion can include a first and a second rectilinear line of weakness. The lines of weakness can be parallel and along which the sheet member is foldable to enable folding the building stud from a retracted storage position to an expanded mounting position.