Drainage Body Surface Unit Corrugated Columns for Stacking Stability
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Solution Overview
Problem
Existing trenching systems face instability and stress issues when drainage body surface units are stacked, leading to potential structural failure and increased maintenance costs.
Innovation Solution
The drainage body surface unit features a corrugated column with raised ribs and optional gussets to enhance structural strength, reducing stress concentration and improving stability during stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If drainage body surface units are stacked one on top of another to achieve sufficient drainage depth, then the drainage depth is improved, but the stability and structural integrity deteriorate due to increased stress and potential structural failure
Solution Approach 1:
The system is divided into multiple modular drainage body surface units that can be stacked vertically. Each unit contains internal columns that segment the structure into stable compartments, allowing the system to achieve greater drainage depth through stacking while maintaining stability through the segmented modular design.
Solution Approach 2:
The columns within each drainage unit are designed with composite structural features combining hollow cylindrical shapes with internal rib reinforcements. This composite structure provides both the necessary void space for drainage functionality and the structural strength needed to maintain stability when units are stacked together under load.
2Length of moving object
If the height of drainage body surface units is increased to achieve sufficient drainage depth, then the drainage depth is improved, but the stress on the structure increases leading to potential structural failure
Solution Approach 1:
The columns are designed with curved corrugated surfaces rather than straight cylindrical shapes. This curvature provides structural reinforcement similar to how corrugated cardboard gains strength, allowing the columns to better withstand compressive stresses while maintaining the necessary height for adequate drainage depth.
Solution Approach 2:
Internal ribs are added to the column structure, transforming it from a simple two-dimensional cylindrical surface into a three-dimensional reinforced structure. These ribs extend in the radial dimension, creating a lattice-like reinforcement pattern that distributes and reduces structural stress throughout the column walls.
3Stability of the object's composition
If columns are added to connect base plates to maintain stability, then the stability is improved, but the device complexity increases
Solution Approach 1:
The columns serve multiple functions simultaneously: they provide structural support to maintain stability when units are stacked, they create the necessary void spaces for water drainage and storage, and they offer attachment points for base plates. This multi-functionality reduces overall system complexity compared to having separate components for each function.
Solution Approach 2:
The structural support function and the drainage function are merged into the same columnar elements. Rather than having separate support beams and separate drainage pipes, the hollow columns with internal ribs combine both functions, simplifying the overall device structure while maintaining both stability and drainage capability.
4Reliability
If the structural strength is enhanced to reduce stress during stacking, then the reliability is improved, but the manufacturing complexity increases
Solution Approach 1:
The column structure uses variations in geometric parameters rather than material changes to achieve increased strength. The corrugation depth, rib spacing, and wall thickness are optimized parameters that can be adjusted during molding to achieve the desired strength-to-complexity ratio, allowing reliable structures to be manufactured using standard processes.
Solution Approach 2:
The columns are designed as thin-walled hollow structures with corrugated surfaces, similar to how cardboard boxes achieve strength through corrugation rather than thick walls. This approach provides sufficient structural reliability for stacking applications while maintaining ease of manufacture through lightweight, thin-walled plastic molding processes.
Data Source
AI summary
A drainage body surface unit for use in a trenching system for accumulating precipitation water. The drainage body surface unit includes a base plate having a conical column extending perpendicular to the base plate. The column has a first opening in the base plate and corrugated walls extending to a second opening positioned opposite the first opening in the base plate. The column has raised ribs on the inner surface of the column for improving structural strength.


