Modular Rumble Strip Segments with Metallic Cables
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rumble strip systems are costly, difficult to assemble and disassemble, and lack environmental sustainability, as they are typically made from expensive polyurethane materials.
Innovation Solution
A portable, modular rumble strip system made from recycled rubber materials, utilizing improved molding techniques, metallic cables for stability, and a design featuring male and female protrusions for easy assembly and disassembly, along with a handle for transport and stacking lugs for storage.
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 complexity increase
Solution Approach 1:
The rumble strip system is divided into multiple modular segments that can be independently handled, transported, and installed. Each segment contains integrated warning elements and can be connected to form complete rumble strip assemblies, simplifying installation while maintaining hazard warning effectiveness.
Solution Approach 2:
Adhesive materials serve as intermediaries between the rumble strip segments and the road surface, enabling easy installation and removal without permanent pavement modification. This intermediary layer allows the system to be temporarily deployed and relocated as needed.
2Adaptability or versatility
If temporary rumble strips are used for construction zones, then deployment flexibility is improved, but assembly and disassembly difficulty worsens
Solution Approach 1:
The system uses segmented modular units that can be easily connected and disconnected. Each segment is self-contained with standardized connection interfaces, allowing rapid assembly and disassembly by workers without specialized tools or training.
Solution Approach 2:
The rumble strip segments are designed to be self-assembling through simple mechanical connections or adhesive application. Workers can deploy the system without requiring complex assembly procedures, making the system easy to operate and reposition.
3Reliability
If polyurethane materials are used for rumble strips, then durability is improved, but cost and environmental impact worsen
Solution Approach 1:
The system uses composite construction combining rubber base materials with embedded metallic cables or wires. This composite structure provides the necessary durability and structural integrity while using more cost-effective and environmentally sustainable materials compared to solid polyurethane.
Solution Approach 2:
The material composition is changed from pure polyurethane to rubber-based composites with metallic reinforcements. This parameter change maintains the required mechanical properties and durability while reducing material cost and improving environmental sustainability through recyclability.
4Stability of the object's composition
If metallic cables are added to the rumble strip structure, then stability and weight are improved, but manufacturing complexity increases
Solution Approach 1:
The metallic cables are integrated into the rubber matrix during the molding process, merging the structural reinforcement function with the base material fabrication. This combining approach achieves enhanced stability without requiring separate assembly steps for the cables.
Solution Approach 2:
The system uses composite materials where metallic cables are embedded within rubber during a single molding operation. This composite manufacturing approach provides structural stability and weight benefits while avoiding the complexity of multi-step assembly processes.
Data Source
AI summary
A modular highway warning strip system is formed of a plurality of segments assembled together to create a warning strip assembly having a length, wherein each of the plurality of segments are spaced from adjacent ones of the segments along the warning strip length. The segments are assembled together along a cord disposed along the length of the warning strip assembly. A plurality of spacers are disposed on the cord along the length of the warning strip assembly, between adjacent ones of the segments in order to maintain a spacing between each adjacent segment.