Frameless Cellular Confinement System with Sealing Skirts
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Solution Overview
Problem
Existing cellular confinement systems, such as those using wire mesh cages or geotextiles, face limitations in vertical wall construction due to leakage issues with fine granular materials like soil or sand, and are often labor-intensive, costly, and bulky, with geotextile systems requiring multiple manufacturing stages and additional reinforcement.
Innovation Solution
A frameless cellular confinement system comprising interconnected open cells of fabric material with sealing means, such as flexible skirt portions, that prevent leakage between stacked sub-assemblies, allowing for the construction of vertical walls without wire mesh support and enabling easy transportation and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If geotextile cellular systems are stacked vertically to form high walls, then wall height is increased, but leakage of fine granular material occurs between layers
Solution Approach 1:
The patent applies a flexible membrane or geotextile liner within the cellular structure to prevent leakage of fine granular materials. This liner acts as a flexible shell that conforms to the cellular geometry while blocking particle escape through the joints between stacked cells, thereby maintaining reliability at increased wall heights.
Solution Approach 2:
The patent combines the geotextile cellular structure with an additional liner material to create a composite system. This composite approach integrates the structural function of the cellular cells with the sealing function of the liner, solving the leakage problem while maintaining the load-bearing capacity of the original structure.
2Strength
If wire mesh cages are used to form cellular confinement systems, then structural strength is improved, but the system becomes bulky and heavy to transport
Solution Approach 1:
The patent replaces rigid wire mesh cages with flexible geotextile membranes that form cellular structures. These flexible shells provide sufficient structural strength through their geometry and material properties while being significantly lighter and more compact for transportation, eliminating the need for bulky metal frameworks.
Solution Approach 2:
The patent substitutes the mechanical wire mesh cage system with a fabric-based geotextile system that relies on tensile strength and cellular geometry rather than rigid structural support. This replacement reduces weight and improves transport efficiency while maintaining confinement functionality.
3Reliability
If geotextile cellular systems are used to confine fine granular fill material, then material retention is improved, but additional reinforcement is required to prevent leakage
Solution Approach 1:
The patent merges the structural cellular geotextile system with an integrated liner component into a single unified structure. This combination eliminates the need for separate reinforcement elements by incorporating the sealing function directly into the cellular walls, thereby reducing overall system complexity while improving material retention.
Solution Approach 2:
The patent creates a composite cellular structure where the geotextile walls and internal liner work together as an integrated system. This composite design provides both structural support and leakage prevention through the synergistic interaction of its components, avoiding the need for additional separate reinforcement measures.
4Strength
If conventional gabions filled with stone are used, then bearing capacity is improved, but the system is labor-intensive and time-consuming to assemble
Solution Approach 1:
The patent divides the confinement structure into pre-fabricated modular cellular panels that can be quickly assembled on-site. Each panel is manufactured with precise dimensions and integrated features, allowing rapid deployment without the labor-intensive stone-by-stone assembly required by traditional gabions, while maintaining bearing capacity through the cellular structure design.
Solution Approach 2:
The patent implements preliminary manufacturing of cellular panels with integrated liners and connection features before site delivery. This pre-preparation of components with built-in assembly features significantly reduces on-site labor requirements and assembly time compared to conventional gabion construction, while ensuring consistent quality and structural performance.
Data Source
AI summary
A cellular confinement system for soil, sand or other filler material comprises a number of sub-assemblies (6) each made up of a plurality of interconnected open cells (8) of fabric material. The sub-assemblies (6) are stackable one on top of the other to provide a structure having at least one generally vertical side or end wall. The system further comprises sealing means such as one or more skirt portion(s) (22) which are arranged between vertically juxtaposed sub-assemblies (6) in use. The skirt portions (22) substantially prevent or minimise the escape of finer aggregate material from between the stacked sub-assemblies (6).