Decorative Concrete Wall Surfaces Applied While Plastic
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Solution Overview
Problem
Existing methods for applying decorative surfaces to concrete walls are time-consuming, labor-intensive, and often result in inadequate bonding between the decorative material and the concrete, requiring multiple steps and increased costs.
Innovation Solution
A method for applying decorative materials directly to the exterior surface of a concrete wall while it is still in a plastic state, eliminating the need for bonding agents and reducing labor and material costs by embedding the materials into the concrete before it hardens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If bonding agents are used to adhere decorative material to concrete wall surfaces, then the decorative material can be applied after the wall is created, but the process becomes time-consuming and requires special application and cleanup steps
Solution Approach 1:
The patent incorporates bonding agents directly into the concrete mixture before the wall is poured, so that the bonding capability is already present in the concrete itself. This preliminary incorporation eliminates the need for separate bonding agent application steps later, reducing both time and complexity while maintaining effective adhesion of decorative materials.
2Reliability
If bonding materials are applied one or more days after the wall is created, then the wall has time to harden, but the bonding materials may inadequately stick to the concrete or to the decorative material
Solution Approach 1:
The patent creates a multi-functional concrete mixture that simultaneously provides structural concrete properties and bonding agent properties. The bonding agents incorporated into the concrete serve dual purposes: acting as part of the concrete matrix and providing adhesion for decorative materials, eliminating the need for separate bonding applications and ensuring reliable bonding regardless of timing.
3Manufacturing precision
If a second concrete face mixture is applied to create a uniform surface, then the exterior surface appearance is improved, but the process requires separating out larger aggregate and applying the mixture in a timely manner
Solution Approach 1:
The patent combines the bonding agent function with the concrete mixture itself, creating a single integrated material that provides both structural and adhesive properties. This merging eliminates the need for separate bonding agent applications and the complex aggregate separation processes required for uniform surface creation, simplifying the overall manufacturing process while maintaining surface quality.
4Ease of manufacture
If the front panel is removed while the concrete surface is still plastic, then decorative material can be applied without bonding agents, but the concrete must be supported to prevent slumping
Solution Approach 1:
The patent incorporates bonding agents into the concrete mixture before pouring, so that when the front panel is removed and decorative material is applied to the plastic surface, the bonding is already built into the concrete matrix. This preliminary incorporation allows for easy decorative material application without additional bonding agents while the concrete provides inherent structural support to prevent slumping.
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
This approach allows for a decorative concrete wall with a uniform texture and appearance, reducing labor and material costs while ensuring strong adhesion of the decorative material to the concrete, and improving project scheduling and sequencing.
Implementation Method 1
After the concrete hydrates and hardens, the concrete forms are removed
Implementation Method 2
Puddling or vibration may be used to remove entrained air while the concrete is still wet
Data Source
AI summary
A concrete wall has a back surface supported by a back panel while a decorative material is applied to an opposing front surface of the wall by hand or by pneumatic projection while the surface is still plastic, and without using bonding agents. The decorative material may be further exposed by a surface treatment before or after the front surface is floated and finished, with a sealant optionally applied thereafter. The front surface may be created by pneumatic methods or by pouring concrete into forms and removing the front panel to expose the front surface while it is still plastic but hydrated enough not to slump.