Retractable Floodwall Panel with Buoyant Counterweight
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional floodwalls are permanent structures that do not aesthetically blend with their environment, obstruct traffic, and lack the ability to be easily deployed or tested for reliability, especially in flood-prone areas where temporary and passive flood protection systems are inadequate.
Innovation Solution
A retractable floodwall system with counter-balanced and deployable panels that can be raised using electric motors, hydraulic motors, buoyant force, or human power, and are stored in a housing unit when not needed, featuring a plumbing system for buoyant force generation and remote control operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If permanent floodwalls are used, then flood protection is provided, but aesthetic blending with environment is poor and traffic obstruction occurs
Solution Approach 1:
The floodwall system transitions from a static permanent structure to a dynamic retractable structure. The floodwall panels can be raised vertically from a horizontal stowed position within the housing unit when flood protection is needed, and lowered when not needed. This dynamic capability allows the structure to provide reliable flood protection when required while eliminating aesthetic impact and traffic obstruction during normal conditions.
Solution Approach 2:
The floodwall panels are nested within the housing unit when not in use. The panels can be stored in a horizontal position inside the housing unit, which serves as both the storage structure and the operational floodwall. This nesting arrangement allows the flood protection function to be integrated into the existing environment without creating permanent visual obstruction or traffic barriers.
2Object-generated harmful factors
If temporary floodwall structures are used, then aesthetic blending is improved, but deployment reliability cannot be easily tested
Solution Approach 1:
The system uses buoyant force generated by floodwater itself to raise the floodwall panels vertically. The water pressure from the flood automatically pushes the panels upward into their protective position, eliminating the need for external testing equipment. This self-actuating mechanism allows the system to be tested for reliability by simply introducing water, as the buoyant force will naturally deploy the panels if the structure is sound.
3Device complexity
If passive means are used to raise flood barriers, then structural simplicity is maintained, but operational reliability is difficult to test without special equipment
Solution Approach 1:
The system employs hydraulic principles by using buoyant force from floodwater to raise the floodwall panels. The water pressure creates an upward force that automatically deploys the panels when flood conditions occur. This hydraulic mechanism maintains structural simplicity while enabling easy reliability testing, as the same water pressure that raises the panels can be used to test the system's operational integrity without requiring special testing equipment.
4Reliability
If floodwall panels are raised to provide protection, then flood protection is achieved, but force required to raise panels increases
Solution Approach 1:
The system uses buoyant force as a counterweight to the gravitational force acting on the floodwall panels. The floodwater creates an upward buoyant force that offsets the weight of the panels, making them easier to raise. This buoyant counterforce reduces the net force that must be applied by the actuating mechanism to deploy the panels, thereby reducing the overall force requirement while maintaining reliable flood protection.
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 system provides effective and aesthetically pleasing flood protection that can be quickly deployed and concealed, allowing for easy testing and reduced operational force requirements, while maintaining structural integrity against floodwaters.
Implementation Method 1
The floodwall panel includes a buoyant hollow inner space located at a lower section of the floodwall panel. The hollow portion reduces the weight of the floodwall panel and increases its buoyancy.
Implementation Method 2
the floodwall system has a plumbing system to fill the housing unit with water, either from the flood itself or from a potable water source, to create buoyant force to raise the floodwall panel
Data Source
AI summary
The present invention relates to a retractable floodwall unit that comprises a foundation unit having a plurality of guide tracks along side walls of the foundation unit, a floodwall panel stowed in the foundation unit; a power system for raising and lowering the floodwall panel, and a plumbing system. The plumbing system is configured to remove ground water from a dry-side of the floodwall unit and flood water that becomes located in the floodwall unit.