Formliner Layout Member Nesting for Wall Alignment
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Solution Overview
Problem
Formliners face issues with deformation due to temperature changes and applied loads, leading to misalignment and imperfections in cast walls, especially when multiple sheets are used to create continuous or angled surfaces.
Innovation Solution
A form liner system comprising a sheet with raised rows and a layout member with a base portion and raised portions that nest with the sheet, providing a seamless overlap and orientation to maintain proper spacing and alignment, even under temperature changes and loads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple formliner sheets are used to create continuous wall panels, then the coverage area is improved, but visible seams and misalignment occur at sheet boundaries
Solution Approach 1:
The formliner system is divided into multiple sheets that can be assembled together, with each sheet containing integrated layout members that ensure precise alignment at boundaries. The segmentation allows coverage of large areas while maintaining precision through the standardized interface features on each sheet.
Solution Approach 2:
Layout members are integrated within the formliner sheets themselves, with raised portions nested between the raised rows of adjacent sheets. This nesting arrangement ensures that alignment features from one sheet interlock with corresponding features from adjacent sheets, eliminating visible seams and maintaining continuous patterns across multiple sheets.
2Adaptability or versatility
If formliner sheets are butted together at angles to form walls with joints and corners, then geometric versatility is improved, but concrete slurry migration and sealing problems occur
Solution Approach 1:
The formliner sheets incorporate localized geometric features including angled edges, recesses, and protrusions at specific locations to accommodate walls with joints and corners. These local geometric adaptations allow the system to achieve versatility in forming various wall configurations while maintaining reliable sealing through the integrated layout members that prevent slurry migration at the interfaces.
Data Source
AI summary
In some embodiments, a form liner system comprises a form liner sheet comprising a plurality of raised rows at a predetermined spacing, and a layout member comprising a base portion and a plurality of raised portions. The raised portions are constructed and arranged to nest with said raised rows.