Barrier Ring for Road Surface Renovation
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Solution Overview
Problem
The existing methods for renovating road surfaces around box elements often result in uneven material compression, leading to defects and subsequent material weakening due to density differences and material exchange between old and new materials, which can cause cracks and further renovation needs.
Innovation Solution
A blocking ring is inserted around the box element, formed to prevent direct contact between the outer and inner road surface materials, with a diameter larger than the box element, and used as a milling tool to remove and replace the defective material, ensuring even compression and material exchange prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a barrier ring is introduced to prevent material exchange between old and new road surface materials, then material weakening is prevented and durability is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
A barrier ring is introduced as an intermediary element between the old road surface material and the new road surface material. This barrier ring prevents direct material exchange and contact, thereby preventing material weakening at the interface while maintaining structural simplicity.
Solution Approach 2:
The renovation structure is segmented into distinct zones: the existing road surface, the barrier ring, and the new road surface material. This segmentation allows for clear functional separation where the barrier ring specifically addresses material exchange prevention without requiring complete reconstruction of the entire road structure.
2Reliability
If the barrier ring diameter is increased to ensure proper separation, then material exchange prevention is improved, but the area of road surface requiring renovation increases
Solution Approach 1:
The barrier ring is designed with specific dimensional characteristics optimized for its function. The diameter is increased only to the extent necessary to ensure proper material separation, concentrating the intervention in the local area where material exchange occurs rather than expanding the renovation area unnecessarily.
3Manufacturing precision
If the barrier ring is used as a milling tool to remove defective material, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The barrier ring is designed to serve multiple functions: it acts as a milling tool for removing defective material, provides structural support during renovation, and serves as a permanent barrier preventing material exchange. This multi-functionality eliminates the need for separate tools and structures, reducing overall device complexity while maintaining manufacturing precision.
Data Source
Figure 1~2
AI summary
A method for forming or repairing a road surface, wherein a barrier ring (30) is arranged around an existing shaft element (20) at a distance from the shaft element (20), the road surface (10) being adjacent to the outside of the barrier ring, and a paving material is introduced into an intermediate area (16) between the shaft element (20) and an inner surface of the surrounding barrier ring (30). The disclosure further includes a barrier ring (30) for this method.