Rockfall Barrier Middle Rope for Accessible Maintenance
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Solution Overview
Problem
Existing rockfall barriers face challenges in maintaining and repairing braking elements, especially in difficult-to-access terrain, due to the location of these elements near the support area.
Innovation Solution
The rockfall barrier design incorporates at least one middle rope that extends from the upper load-bearing rope to a fixable point at the hill slope, guiding collected material downwards and locating braking elements in more accessible areas, thereby simplifying maintenance and repair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If braking elements are located in the support area to absorb high energy, then energy absorption capability is improved, but maintenance and repair work becomes more complex and difficult to access
Solution Approach 1:
The braking elements are extracted from the support area and relocated to separate locations along the middle rope that are more accessible for maintenance. The middle rope acts as an independent carrier for braking elements, separating them from the support structure while maintaining their energy absorption function.
Solution Approach 2:
The middle rope serves as an intermediary element that carries braking elements between the support area and accessible maintenance locations. It mediates the conflict by providing a transmission path for both material conveyance and positioning of braking elements in accessible areas.
2Reliability
If horizontal middle ropes are added to retain blocks in the upper area, then material retention capability is improved, but device complexity and maintenance effort increase
Solution Approach 1:
The middle rope is designed to perform multiple functions: it conveys collected material downwards, provides a mounting structure for braking elements, and can be configured to retain blocks in the upper area. This multi-functionality eliminates the need for separate horizontal retention structures, reducing overall device complexity.
3Ease of repair
If braking elements are relocated to accessible areas via middle rope, then ease of maintenance is improved, but energy absorption capability may be reduced
Solution Approach 1:
The braking system is segmented into multiple independent braking elements distributed along the middle rope rather than concentrated in the support area. This allows individual braking elements to be maintained separately while the overall system maintains sufficient energy absorption capability through the cumulative effect of multiple elements.
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
This design allows for efficient conveyance of collected material to easily accessible areas, facilitating both the removal of stones and boulders and the maintenance of braking elements, especially after impacts.
Implementation Method 1
the arrangement of the middle rope of the rockfall barrier according to the present disclosure has the advantage that it can guide the collected stone or boulder downwards
Data Source
AI summary
A rockfall barrier for installation between an uphill side and a downhill side of a hill slope, with at least two guide devices for a net comprising an upper edge and a lower edge, and with an upper load-bearing rope, which guides the upper edge on the guide devices At least one middle rope is provided, which extends from an upper end point fixed to the upper load-bearing rope to a lower end point fixable at the hill slope.