Facade Anchor Assembly for Insulated Scaffold Fixing
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Solution Overview
Problem
Existing scaffolding anchoring methods for building facades, especially with thermal insulation composite systems, face issues such as deformation of eyebolts under lateral forces, formation of unsightly recesses, and thermal bridging due to metallic anchors, which compromise safety and insulation efficiency.
Innovation Solution
A facade anchor system featuring a balancing mass for level contact, an elongated sleeve with elastic sealing, and a spreading element for secure fixation, made from materials like plastic to prevent thermal bridging and deformation, ensuring stable and flexible anchoring while maintaining insulation integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a metallic facade anchor is used to ensure sufficient stability, then the anchoring strength is improved, but a thermal bridge is formed in the outer insulation layer, significantly reducing insulation efficiency
Solution Approach 1:
The facade anchor uses a composite structure combining a plastic sleeve (insulating material) with a metal support section (structural material). The plastic sleeve prevents thermal bridging while the metal section provides anchoring strength. This composite approach resolves the contradiction between needing strong anchoring and maintaining insulation efficiency.
2Ease of manufacture
If a single eyebolt is secured to the building wall by an anchor, then the installation is simple, but lateral forces cause the eyebolt to deform plastically and bend
Solution Approach 1:
The facade anchor is divided into separate functional sections: a plastic sleeve for insulation and a metal support section with bearing surface for force distribution. This segmentation allows the structure to handle lateral forces effectively while maintaining installation simplicity.
Solution Approach 2:
The support section provides a bearing surface that distributes lateral forces across a larger area of the building wall, transitioning from point-load to distributed-load. This dimensional change in force distribution prevents eyebolt deformation while keeping the design simple.
3Ease of operation
If the eyebolt is removed after facade work is completed, then the scaffolding can be dismantled, but an unnecessarily large funnel-shaped recess forms in the newly constructed facade
Solution Approach 1:
The plastic sleeve is designed as a temporary, disposable component that protects the building wall during scaffolding installation and removal. After the eyebolt is removed, the sleeve remains in place to prevent large recesses, maintaining facade appearance without requiring permanent metal anchors.
4Stability of the object's composition
If a permanent facade anchor remains in the facade after insulation installation, then the anchoring is stable, but it forms a thermal bridge that significantly reduces insulation efficiency
Solution Approach 1:
The permanent facade anchor uses a composite design with a plastic sleeve (thermal insulator) and a metal support section (structural element). The plastic sleeve remains in the facade permanently, providing stability while preventing thermal bridging, thus resolving the contradiction between anchoring stability and insulation efficiency.
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 system provides secure, calculable, and safe scaffolding attachment, prevents thermal bridging, and simplifies insulation application, ensuring the facade anchor lies flat on the wall, distributing forces evenly and maintaining insulation efficiency.
Implementation Method 1
an elastic body, in particular a body with variable volume or variable external dimensions, is provided as a sealing element
Implementation Method 2
a curable material, in particular a fracture-resistant material, is provided as a leveling compound for compensating for unevenness in the building wall
Data Source
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AI summary
The application relates to a structural arrangement for securing scaffolding to a building wall, said structural arrangement comprises the building wall with a recess, a façade anchor secured to the building wall and comprising means for accommodating at least one securing element and the securing element engages in the means in the façade anchor on the one hand and in said recess on the other hand. Said façade anchor provides a supporting face facing the building wall and a compensating compound is provided between the supporting face and the building wall in such a manner that the façade anchor makes surface contact with and is supported by the building wall indirectly by means of the compensating compound.