Precast Concrete Panel Casting With Stable Insulating Formers
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Solution Overview
Problem
Existing methods for manufacturing precast concrete wall structures face challenges in maintaining the desired configuration of insulating foam blocks during the concrete pouring process, leading to potential deformation and failure of the insulating material under the weight of the concrete, resulting in finished wall structures that do not conform to strict specifications.
Innovation Solution
A method involving a frame with upright surfaces and a forming member with integrally-formed rectangular protrusions within a casting bed, where uncured concrete is poured to fill channels defined by the protrusions, and allowed to cure, ensuring precise placement and reinforcement of the concrete structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If insulating foam blocks are placed in the casting bed to define void channels, then insulation properties are improved, but the foam blocks flex and shift laterally and vertically under the weight of concrete
Solution Approach 1:
The patent applies preliminary action by positioning support structures (such as rigid support members or reinforced frameworks) within the casting bed before pouring the concrete. These pre-positioned supports prevent the insulating foam blocks from shifting or deforming during the concrete pouring process, ensuring they maintain their desired configuration throughout curing.
Solution Approach 2:
The patent uses intermediary elements such as rigid support members, framing structures, or restraining frameworks that act as mediators between the insulating foam blocks and the concrete. These intermediaries bear the weight and lateral pressure of the concrete, preventing direct transmission of forces to the foam blocks and thereby maintaining their positional stability.
2Ease of manufacture
If the layer of insulating material is made thinner to reduce material costs, then manufacturing costs are reduced, but the layer is subject to flexural deformation and failure under the weight of concrete
Solution Approach 1:
The patent applies preliminary action by installing rigid support structures or reinforcement frameworks within the casting bed before pouring the concrete. These pre-positioned supports provide immediate structural assistance to the insulating material layer, distributing the concrete load and preventing flexural deformation even when the insulating layer is thin.
Solution Approach 2:
The patent employs composite material strategies by combining the insulating material with rigid support structures, framing elements, or reinforcement networks. This creates a composite system where the insulating material provides thermal performance while the integrated rigid components provide structural strength and load-bearing capacity.
3Strength
If concrete is poured to completely fill the casting bed, then structural integrity is improved, but the insulating foam blocks shift vertically due to buoyancy in the dense concrete
Solution Approach 1:
The patent applies the anti-weight principle by incorporating rigid support structures, anchoring systems, or restraining frameworks that counteract the buoyant forces exerted by the dense concrete on the insulating foam blocks. These counterbalancing structures hold the foam blocks in their desired vertical positions throughout the concrete pouring and curing process.
Solution Approach 2:
The patent uses intermediary anchoring structures, framing systems, or restraining elements that act as mediators between the insulating foam blocks and the concrete. These intermediaries prevent direct buoyant interaction between the concrete and foam blocks, maintaining precise vertical positioning while allowing complete concrete filling for structural integrity.
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 enables the production of precast concrete walls with improved quality control and conformity to strict tolerances, providing enhanced structural integrity and insulation properties, while reducing material costs and transportation expenses.
Implementation Method 1
placing uncured concrete within the casting bed and allowing the concrete to cover the one or more forming members and substantially fill the channels
Implementation Method 2
allowing the concrete to cure
Data Source
AI summary
A precast concrete panel and method for forming the panel are disclosed. A method of forming the panel to be used as a floor, wall, or roof structure includes positioning one or more forming members within a casting bed having a plurality of upright surfaces defining a generally rectangular interior area, the one or more forming members comprising an insulating material extending along a length dimension of the one or more forming members to define a plurality of rectangular-shaped channels in a parallel and spaced-apart relationship, placing uncured concrete within the casting bed and allowing the concrete to cover the one or more forming members and substantially fill the channels, and allowing the concrete to cure.