Profiled Ground Contact Element for Deployable Bridge Stability
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Solution Overview
Problem
Deployable bridges experience inadequate contact with the laying substrate, leading to vibrations and potential collapse under heavy vehicles, and existing solutions like guy ropes and pegs are not automated or adaptable to different substrates, posing safety risks and operational challenges.
Innovation Solution
A bridge element with a profiled or structured contact area and interchangeable ground contact elements that can be detachably arranged, optimized for various substrates to enhance adhesion and stability, allowing for automated and safe laying and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guy ropes and pegs are used to improve ground contact, then adhesion between bridge element and substrate is improved, but automation capability deteriorates (manual deployment required)
Solution Approach 1:
The bridge element's own weight serves to press the ground contact elements into the substrate, creating adhesion without requiring external anchoring systems. The system uses its inherent properties (weight) to achieve the function (ground contact), eliminating the need for separate guy ropes and pegs that would require manual deployment.
2Reliability
If fixed ground contact elements are used, then adhesion is improved, but adaptability to different substrates deteriorates
Solution Approach 1:
The ground contact elements are designed to be movable relative to the bridge element, allowing them to be adjusted or replaced based on the specific substrate conditions. This dynamic configuration enables the same bridge element to adapt to different terrains (ice, snow, soft ground, hard ground) by selecting appropriate contact elements.
Solution Approach 2:
Different ground contact elements with varying properties (shape, material, surface area) can be selected and attached to the bridge element depending on the substrate type. The parameters of the contact elements are changed to match the requirements of different substrates, optimizing adhesion for each condition.
3Productivity
If heavy vehicles are allowed to cross the bridge, then bridge utility is improved, but ground contact stability deteriorates (vibrations cause movement or collapse)
Solution Approach 1:
The bridge element is divided into functional components, with dedicated ground contact elements that can be independently optimized for load bearing. These elements are distributed along the bridge element to distribute the loads from heavy vehicles, preventing concentrated stresses that would cause movement or collapse.
4Extent of automation
If automated deployment is implemented, then safety is improved (reduced human exposure to danger), but device complexity deteriorates
Solution Approach 1:
The bridge element automatically achieves ground contact through its own weight, eliminating the need for complex automated anchoring mechanisms. The system uses gravity and the inherent properties of the ground contact elements to achieve deployment, reducing mechanical complexity while maintaining automation.
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
The solution provides improved adhesion and stability between the bridge element and the substrate, enabling safe and automated deployment and operation, even on diverse terrain, reducing the risk of collapse and enhancing operational efficiency.
Implementation Method 1
The contact-making area of the at least one ground contact element has a surface that is profiled at least in sections and/or a surface structure with an optimized adhesion effect
Data Source
Figure 1~2
Figure 3~5
Figure 6~7
AI summary
The invention relates to a bridge element of a layable bridge with at least one ground contact element 05, which is arranged on at least one receptacle 04 of the bridge element 01 and which has a contact mediation area 17, 17.1 directed towards a laying substrate, wherein the contact mediation area 17, 17.1 of the at least one ground contact element 05, 5.1 has a surface 18, 18.1 that is profiled at least in sections and/or has a surface structure with optimized adhesion. The invention further relates to a ground contact element for such a bridge element 01 of a layable bridge.