T-Shaped Façade Insulation Load Bearing Element
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Solution Overview
Problem
Existing systems for retrofit insulation of building façades face challenges in achieving stability and easy attachment, particularly due to shearing forces and the difficulty in positioning screws through softer insulating materials, which can lead to structural weaknesses and incomplete securement.
Innovation Solution
A system featuring T-shaped load bearing elements with the body of the element placed in a groove of compressive resistant insulating material, providing enhanced support and force transmission, along with a rectangular cross-section for improved stiffness and ease of assembly, and the option of two load bearing elements for increased rigidity and shearing strength, combined with moisture-proof cladding and wind barriers for comprehensive securement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional sandwich studs with insulating material are used, then insulation is provided, but the shearing strength is insufficient and the structure is unstable under vertical loads
Solution Approach 1:
The invention uses a composite structure combining a load-bearing element (wooden or metal profile) with insulating material. The load-bearing element provides the necessary mechanical strength and shearing resistance, while the insulating material provides thermal insulation. This composite approach resolves the contradiction by having each material perform its primary function - the structural element handles mechanical loads while the insulation handles thermal performance.
Solution Approach 2:
The invention employs a T-shaped cross-section geometry for the load-bearing element. This specific geometric form provides optimal mechanical properties - the horizontal flange distributes loads and the vertical web provides shear resistance. The T-shape is more efficient than traditional rectangular or circular sections for resisting shearing forces while minimizing material usage.
2Ease of operation
If screws are used to attach sandwich studs to the original façade, then attachment is achieved, but positioning is difficult and shearing forces may tear the stud apart
Solution Approach 1:
The T-shaped load-bearing element is pre-formed with a specific geometry that facilitates screw attachment. The horizontal flange of the T-shape provides a stable surface for screw positioning, and the vertical web provides structural support during and after attachment. This preliminary geometric preparation eliminates the positioning difficulties encountered with traditional sandwich studs.
Solution Approach 2:
The composite structure of the T-shaped load-bearing element combines a rigid structural component with insulating material. The rigid T-element provides stable screw holding capacity and resistance to shearing forces, while the insulation material provides thermal performance. This division of functional responsibilities resolves the contradiction between ease of attachment and structural reliability.
3Strength
If the load bearing element body is placed in a groove of the compressive resistant insulating material, then force transmission is improved and deformation risk is reduced, but manufacturing complexity increases
Solution Approach 1:
The groove for receiving the load-bearing element body is pre-formed in the insulating material during manufacturing. This preliminary preparation ensures proper alignment and fit between the T-shaped element and the insulating material, optimizing force transmission paths. The pre-formed groove eliminates the need for现场 adjustment and ensures consistent mechanical performance.
Solution Approach 2:
The groove interface creates a mechanical interlock between the rigid load-bearing element and the insulating material. This interlocking composite structure enhances force transmission from the T-element to the insulation and ultimately to the original façade, while the groove geometry is designed to be compatible with standard manufacturing processes.
Data Source
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AI summary
The invention relates to a system and a method for supplementary insulation of a façade. The system comprises two or more units (112), wherein each unit (112) comprises a compressive resistant insulating material (104) secured to at least one load bearing element (110), an intermediate insulating material (102) adapted to be located in one or more spaces between said units (112), means (103) for securing the system to the original façade (101). A cross section of the at least one load bearing element (110) has a T-shaped form.