Compressible Sealing Member for Sheet Piling Interlock Joints
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Solution Overview
Problem
Existing barrier structures, such as sheet piling systems, face challenges in effectively sealing between adjacent panels to prevent fluid migration, which is crucial for applications like cut-off containment barrier walls and seawalls to maintain structural integrity and prevent leakage.
Innovation Solution
A system involving a compressible sealing member with a dispersible sealant is used between interlock profiles of sheet piling panels, which is compressed during assembly to create a resilient seal, providing a spring-like bias for enhanced sealing contact and optional dispersal of sealant within the interlock joint to prevent fluid transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional rigid sealing methods are used between sheet piling panels, then the sealing structure is simple and easy to manufacture, but the sealing effectiveness is insufficient to prevent fluid migration
Solution Approach 1:
The patent changes the physical state of the sealant from solid to liquid through chemical triggers (water, heat, or pH changes), allowing the sealing material to flow into and fill the interlock joint spaces, thereby improving sealing effectiveness without requiring complex pre-formed sealing structures
Solution Approach 2:
The patent combines multiple materials with different functions: a resilient sealing member for initial contact sealing, a dispersible sealant for filling gaps, and optional expandable materials for additional sealing pressure. This composite approach achieves superior sealing effectiveness while maintaining reasonable system complexity
2Reliability
If a dispersible sealant is used to improve sealing, then fluid transmission is effectively prevented, but the manufacturing and assembly process becomes more complex
Solution Approach 1:
The sealant is pre-loaded into the sealing member during manufacturing, contained in a waterproof and airtight manner. This preliminary preparation ensures the sealant is ready for dispersal during assembly without requiring complex on-site mixing or application equipment, thus maintaining ease of manufacture while achieving effective sealing
Solution Approach 2:
The patent introduces trigger mechanisms (water-soluble barriers, heat-responsive materials, or pH-sensitive coatings) as intermediaries that control the timing of sealant dispersal. These intermediaries simplify the assembly process by automatically initiating sealant release under specific conditions without requiring complex manual intervention
3Reliability
If the sealing member is highly compressible to improve sealing contact, then the seal against liquid transmission is enhanced, but the structural strength of the interlock joint may be reduced
Solution Approach 1:
The patent applies different material properties to different parts of the sealing system: the resilient sealing member uses highly compressible material for maximum sealing contact, while the interlock profiles themselves maintain their structural strength. The dispersible sealant is applied locally in the interlock joint space, providing enhanced sealing without compromising the overall joint strength
Solution Approach 2:
The patent uses composite material structures where rigid interlock profiles provide structural strength while a resilient compressible sealing member and dispersible sealant provide liquid transmission prevention. This composite approach allows each component to optimize its specific function without compromising the other
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 effectively prevents fluid migration between sheet piling panels, ensuring a reliable seal against liquids and maintaining structural integrity in barrier assemblies by utilizing a compressible sealing member with a dispersible sealant that is dispersed during assembly, enhancing the sealing contact and resilience of the interlock surfaces.
Implementation Method 1
A compressible sealing member is engaged between interlock members of the sheet piling panels as the barrier assembly is constructed. Various sealing member configurations optionally provide for sealing contact upon compression or flexure of the sealing member, for controlled containment and release of a dispersible sealant, and/or for spring-like bias between interlock elements of the sheet piling panels for improved sealing contact between interlock surfaces.
Implementation Method 2
A dispersible sealant is optionally dispersed into the interlock joint upon compression of the sealing member.
Data Source
AI summary
A system, method and sealing components for resisting fluid transmission through an interlock joint between first and second sheet piling panels of a barrier assembly. A compressible sealing member is engaged between interlock members of the sheet piling panels as the barrier assembly is constructed. A dispersible sealant is optionally dispersed into the interlock joint upon compression of the sealing member.