Polymeric Paver System Interlocking Substrate Lateral Stability
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Solution Overview
Problem
Cementitious and clay pavers are heavy, difficult to install, and costly due to high manual labor and transportation expenses, limiting their use and aesthetic variability, while also being inefficient for complex shapes and environmentally unfriendly.
Innovation Solution
A paver system comprising lightweight, precisely formable polymeric paver pieces that interlock with substrates, allowing for easy alignment and load distribution, and are made from recycled materials like rubber and plastic, enabling deformation over uneven surfaces and reducing weight and installation costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cementitious or clay pavers are used, then aesthetic value and durability are improved, but weight and installation cost increase significantly
Solution Approach 1:
The patent changes the material parameter from traditional cementitious or clay to polymeric material, which maintains the aesthetic and functional properties of pavers while dramatically reducing weight. The polymeric material can be formulated to achieve desired strength, durability, and visual appearance while being significantly lighter than conventional paver materials.
Solution Approach 2:
The patent employs composite polymeric materials that combine multiple components to achieve the desired balance of aesthetic value, structural integrity, and reduced weight. The composite formulation allows incorporation of fillers, pigments, and reinforcement elements within the polymeric matrix to simulate traditional paver appearances while maintaining lightweight characteristics.
2Strength
If cementitious or clay pavers are used, then structural strength is improved, but transportation efficiency deteriorates
Solution Approach 1:
The patent changes the material density parameter by using polymeric materials with lower density than cementitious or clay alternatives. This parameter change enables achieving adequate structural strength with less mass, thereby improving transportation efficiency and reducing energy consumption during delivery and installation.
Solution Approach 2:
The patent applies local quality by concentrating structural reinforcement only where needed within the polymeric paver structure, rather than requiring uniform high density throughout. This allows optimization of strength-to-weight ratio, providing adequate strength for load-bearing applications while minimizing overall weight for transportation efficiency.
3Force
If cementitious or clay pavers are used, then load-bearing capacity is improved, but ease of installation deteriorates
Solution Approach 1:
The patent changes the material parameter from heavy cementitious or clay to lightweight polymeric material, which reduces the overall weight and complexity of handling during installation. The polymeric material can be manufactured with integrated connection features and can be cut or shaped more easily than traditional materials, significantly improving installation ease while maintaining load-bearing capacity through optimized structural design.
Solution Approach 2:
The patent may incorporate segmentation by designing pavers as modular units with integrated interlocking features or attachment mechanisms. This segmentation allows for easier handling and installation compared to traditional monolithic pavers, while the cumulative effect of multiple segments maintains or enhances overall load-bearing capacity through distributed load paths.
4Ease of manufacture
If traditional paver manufacturing is used, then material simplicity is improved, but manufacturing precision for complex shapes deteriorates
Solution Approach 1:
The patent employs composite polymeric materials that can be processed through molding and forming techniques to achieve high manufacturing precision for complex shapes. The polymeric composite can be formulated to flow into intricate mold cavities, capturing fine details and precise dimensions that are difficult or impossible to achieve with traditional cementitious or clay extrusion processes.
Solution Approach 2:
The patent replaces the mechanical extrusion process used for traditional pavers with molding or casting processes for polymeric materials. This substitution enables better control over complex geometries, finer surface details, and more precise dimensional accuracy, as the liquid or pliable polymeric material can fully conform to the mold cavity before curing.
Data Source
AI summary
A paver system comprising a plurality of paver pieces and at least one substrate. Each of the paver pieces has a top surface and a bottom surface. The bottom surface of the paver pieces is configured for mating with the upper surface of the substrate, whereby paver pieces coupled to the substrate are prevented from moving laterally.