Modular Warning Strip Assembly for Portable Road Hazard Alerts
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Solution Overview
Problem
Existing warning strip systems are costly, difficult to assemble and disassemble, and lack environmental sustainability, as well as flexibility and stability for temporary hazards on roadways.
Innovation Solution
A modular, portable warning strip system made from recycled rubber with improved molding techniques, featuring jigsaw-style connections, metallic cables for stability, and a sandwich construction for cost-effectiveness and ease of use, allowing for various configurations and easy transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If permanent rumble strips are placed in the pavement, then hazard warning effectiveness is improved, but installation cost and infrastructure modification complexity increase
Solution Approach 1:
The warning system is divided into separate modular segments that can be independently deployed and removed. Each segment contains rumble elements, reflective elements, and optional lighting components that function as a complete hazard warning unit without requiring pavement modification. This segmentation allows the system to provide reliable hazard warning while avoiding infrastructure complexity.
Solution Approach 2:
The patent introduces portable warning segments as an intermediary solution between permanent pavement strips and temporary handheld signs. These segments can be placed on the roadway surface without permanent installation, serving as a mediator that provides consistent hazard warning effectiveness while requiring minimal infrastructure modification.
2Adaptability or versatility
If temporary rumble strips are used for construction zones or accidents, then hazard warning flexibility is improved, but assembly and disassembly difficulty increase
Solution Approach 1:
The warning system consists of multiple identical segments that can be quickly assembled by connecting them together. Each segment is self-contained with all necessary components, allowing workers to rapidly deploy complete warning zones by simply linking segments together at connection interfaces, greatly improving assembly and disassembly ease while maintaining flexibility.
Solution Approach 2:
The segments incorporate movable and adjustable components including removable reflective elements, adjustable lighting angles, and flexible positioning mechanisms. This dynamic design allows the same segment to adapt to different hazard types, roadway conditions, and visibility requirements, enhancing flexibility without complicating assembly procedures.
3Ease of manufacture
If recycled rubber materials are used, then production cost and environmental sustainability are improved, but material strength and durability may worsen
Solution Approach 1:
The patent employs composite construction where recycled rubber base material is reinforced with structural elements such as internal frameworks, metallic cables, or rigid support components. This composite approach maintains the cost and environmental benefits of recycled rubber while compensating for any strength deficiencies through the addition of stronger structural materials.
Solution Approach 2:
Different portions of the warning segments use materials with properties optimized for their specific functions. The recycled rubber provides cushioning and base structure, while strategically placed reinforced zones use stronger materials only where needed for connection points, mounting areas, or high-stress regions, maintaining overall strength without uniformly increasing material costs.
4Stability of the object's composition
If metallic cables are added for stability, then structural rigidity is improved, but segment weight increases
Solution Approach 1:
Metallic cables or rigid support elements are installed only in specific locations where structural reinforcement is most needed, such as along the longitudinal edges or at connection points. The majority of the segment body continues to use lighter recycled rubber material, achieving necessary rigidity locally without uniformly increasing overall segment weight.
Solution Approach 2:
The segment uses a composite structure combining lightweight recycled rubber with strategically placed metallic reinforcement elements. This allows the system to achieve adequate structural rigidity for maintaining warning segment shape and position while minimizing the amount of heavy metal material used, thus controlling overall weight.
Data Source
AI summary
A modular highway warning strip system which comprises a modular warning strip segment having first and second ends, a length extending between the first and second ends, two opposing lengthwise sides, a width extending between the opposing lengthwise sides of the segment, top and bottom surfaces, and a thickness. Each of the first and second ends comprise at least one male protrusion and at least one female receptacle, wherein the at least one male protrusion is configured to engage the at least one female receptacle for joining a plurality of the segments together end-to-end. A segmented metallic plate is disposed between upper and lower rubber layers, the segmented plate comprising a plurality of segments separated by slits comprising living hinges.