Insulated Precast Wall Panels With Welded Grid Mats
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Solution Overview
Problem
Tilt-up and precast construction methods face limitations in labor intensity, panel weight, shipping constraints, and inadequate insulation, which hinder efficiency and environmental sustainability.
Innovation Solution
Improved tilt-up and precast construction panels utilize a core body with welded grid mats and heat-insulating material, reducing concrete and rebar usage, and incorporating spacer wires and splice mats for structural integrity and insulation, allowing for efficient assembly and reduced weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional tilt-up and precast construction panels are used, then structural strength and durability are achieved, but panel weight becomes excessive requiring heavier-duty cranes and equipment
Solution Approach 1:
The patent applies composite materials by combining concrete with insulation boards and wire mesh reinforcement to create panels that maintain structural strength while reducing overall weight. The composite structure allows the concrete to provide compression strength while the wire mesh provides tensile strength, eliminating the need for excessive concrete volume and associated weight.
Solution Approach 2:
The patent changes the physical parameters of the panel construction by using thinner concrete layers (2-4 inches) compared to traditional panels, and by incorporating insulation boards with specific thermal resistance values. These parameter changes reduce panel weight while maintaining required structural performance through optimized material distribution.
2Reliability
If traditional tilt-up and precast construction panels are used, then structural integrity is maintained, but labor intensity remains high in form creation, rebar placement, and concrete pouring
Solution Approach 1:
The patent extracts the insulation function from the concrete matrix by using separate insulation boards, and replaces traditional rebar with pre-fabricated wire mesh. This extraction simplifies the construction process by eliminating complex rebar bending and placement operations while maintaining structural integrity through the wire mesh reinforcement.
Solution Approach 2:
The patent applies preliminary action by pre-fabricating wire mesh reinforcement and insulation boards before construction. These components are prepared in advance with precise dimensions and configurations, eliminating time-consuming on-site form creation and rebar bending operations, thereby reducing labor intensity while ensuring structural reliability.
3Productivity
If traditional precast panels are used, then construction speed is improved, but panel weight limits shipping distance and increases shipping costs
Solution Approach 1:
The patent uses composite materials consisting of concrete, insulation boards, and wire mesh to create panels with optimized weight-to-strength ratio. The insulation boards provide thermal performance while adding minimal weight, and the wire mesh provides reinforcement without the weight of traditional rebar, enabling faster shipping distances and reduced shipping costs while maintaining construction speed.
4Strength
If traditional tilt-up and precast panels are used, then structural performance is achieved, but insulation performance is inadequate for energy-efficiency requirements
Solution Approach 1:
The patent creates a composite wall system where concrete provides structural performance and insulation boards provide thermal performance. The layered composite structure allows each material to perform its primary function optimally, achieving both structural integrity and energy-efficient insulation performance that meets modern building codes.
Solution Approach 2:
The patent merges multiple functions into a single integrated panel system by combining structural concrete, thermal insulation, and reinforcement in one construction element. This merging eliminates the need for separate insulation installation steps and ensures both structural and thermal performance requirements are simultaneously satisfied.
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 solution results in lighter, more insulative panels that require less labor, enhance shipping efficiency, and improve energy efficiency, while reducing environmental impact by minimizing concrete use.
Implementation Method 1
a slab of heat-insulating material disposed within the gap between the parallel plane grid mats
Data Source
AI summary
Improved tilt-up and precast construction panels and improved methods for creating the same address deficiencies in the current tilt-up and precast construction panels. Improved tilt-up and precast construction panels use less concrete and less steel reinforcement and weigh less than current tilt-up and precast construction panels. Additionally, improved tilt-up and precast construction panels have greater insulative properties (both heat and sound) than do current tilt-up and precast construction panels. Improved tilt-up and precast construction panels require less labor on the construction site, thereby increasing efficiency and profitability of construction crews. Additional advantages of implementations of the invention will become apparent through the following description and by practice of implementations of the invention.