Movable Water-Permeable Pile Spur Dike for River Erosion Control
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Solution Overview
Problem
Traditional spur dikes are not adaptable to changing river environments, leading to erosion and instability, and existing movable solutions lack a rapid adjustment mechanism to respond to variations in water flow and pressure.
Innovation Solution
A movable water-permeable pile spur dike system comprising fixed and movable rails, water-permeable piles with varying hole diameters, pressure sensors, flow meters, and a control platform that adjusts the dike's shape and permeability based on real-time data to maintain optimal water flow velocity and pressure thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional fixed water-impermeable spur dike is used, then the structure provides stable protection against erosion, but it causes complex water flow structures around the dike body and cannot adapt to changing river environments
Solution Approach 1:
The spur dike is designed with movable components including water-permeable piles that can move along guide rails, and a movable counterweight system that automatically adjusts the dike's position and permeability. This dynamic structure allows the dike to adapt to changing water flow conditions while maintaining stability through controlled movement rather than being completely fixed or completely movable.
Solution Approach 2:
The invention changes the physical parameters of the spur dike by making the water-permeable piles movable along the guide rails, allowing adjustment of the dike's permeability and position. The counterweight system further enables parameter changes in the dike's orientation and depth, optimizing its performance under different hydrological conditions.
2Object-affected harmful factors
If a water-permeable spur dike is used, then scouring erosion of the dike body is reduced, but the dike lacks self-adaptive adjustment capability when river environment changes significantly
Solution Approach 1:
The spur dike incorporates a self-service mechanism where the counterweight system automatically adjusts the dike's position and permeability in response to changing water flow conditions. The system uses the natural force of water flow to drive the adjustment mechanism, eliminating the need for external control while maintaining adaptive capability.
Solution Approach 2:
The movable water-permeable piles and counterweight system create a feedback mechanism where changes in water flow conditions automatically trigger adjustments in the dike's configuration. The system responds to hydrological changes by adjusting its permeability and position, creating a closed-loop adaptive system.
3Adaptability or versatility
If the spur dike is made movable with adjustment capability, then adaptability to environmental changes is improved, but the structure complexity increases
Solution Approach 1:
The spur dike is segmented into multiple independent water-permeable piles that can move along guide rails. This segmentation allows each pile to be adjusted independently, simplifying the overall movement mechanism while maintaining adaptability. The modular design reduces structural complexity compared to moving the entire dike as a single unit.
Solution Approach 2:
The guide rails serve as an intermediary mechanism that simplifies the movement of water-permeable piles. Instead of complex mechanical systems, the rails provide a straightforward guided path for adjustment. The counterweight system acts as an intermediary that translates water flow forces into useful positional adjustments without requiring complex control mechanisms.
4Stability of the object's composition
If a fixed spur dike structure is used, then the backflow areas between spur dikes remain constant, but the adjustment capacity is limited
Solution Approach 1:
The spur dike group incorporates dynamic adjustment capability where each dike's water-permeable piles can move independently along guide rails. This allows the backflow areas between dikes to change dynamically in response to environmental conditions, optimizing flow distribution while maintaining overall structural stability through the guided movement mechanism.
Data Source
AI summary
The present invention has disclosed a movable water-permeable pile spur dike and an operation method thereof. The pile spur dike includes a fixed rail, a plurality of movable rails, a plurality of movable water-permeable piles, pressure sensors, flow meters and a control platform, wherein the plurality of movable water-permeable piles are arranged on the fixed rail and the plurality of movable rails, the pressure sensor and the flow meter are arranged at each monitoring point on the outer side wall of each movable water-permeable pile, the control platform is used for analysis and calculation according to the monitoring data from each pressure sensor and each flow meter and adjusts the positions of each movable rail and each movable water-permeable pile, so that the water flow velocity and spur dike's pressure at each monitoring point are less than a corresponding flow velocity threshold value and pressure threshold value.