Floating Pipe Floater Shape for ISO Container Transport
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Solution Overview
Problem
The increasing diameter of floating pressure pipes in the dredging industry poses a challenge as existing floaters, designed with circular cross-sections, exceed the dimensions of standard 40-ft ISO shipping containers, necessitating disassembly and reassembly on-site, which is time-consuming and costly.
Innovation Solution
The floater cross-section is designed as a square, truncated circle, rounded square, or squircle shape to maximize volume while fitting within the container dimensions, with a diagonal diameter between 2,353 mm and 3,354 mm and a circumference that encloses a larger surface area than a circular shape of the same height and width, allowing for a larger floater volume without exceeding container limits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the floater diameter is increased to provide larger floating capacity for bigger pipes, then the floating capacity is improved, but the floater cannot fit within standard 40-ft ISO shipping containers
Solution Approach 1:
The floater cross-section is changed from a circular shape to a square or rounded square shape. This dimensional transformation allows the floater to utilize the container's width and height more efficiently, fitting within the 40-ft ISO container dimensions (2352mm x 2393mm) while achieving a larger cross-sectional area and volume compared to a circular floater of the same bounding box.
2Volume of moving object
If the floater diameter exceeds container width, then larger floater volume is achieved, but the floater requires disassembly and reassembly on-site
Solution Approach 1:
By transforming the floater cross-section from circular to square/rounded square, the floater's maximum dimension aligns with the container's width, allowing the entire floater to fit within the container without requiring segmentation. This eliminates the need for disassembly and reassembly operations.
3Volume of moving object
If the floater diameter is increased beyond container width, then larger floating capacity is achieved, but transportation and assembly time and costs increase
Solution Approach 1:
The square/rounded square cross-section allows the floater to be transported as a single piece within standard containers, eliminating time-consuming on-site assembly operations. The shape optimization maximizes volume within the container's dimensional constraints, achieving larger floating capacity without increasing transportation or assembly time.
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
This design enables the floaters to be transported and assembled efficiently within standard containers, reducing assembly time and costs while maintaining the required floating capacity for larger pipe diameters.
Implementation Method 1
floaters around the pipe generate an upward force through their displacement of water that keeps the pipe filled with dredge mixture afloat
Data Source
AI summary
A floating pipe includes a tube and a floater surrounding the tube. The dimensions of the floating pipe are such that the floating pipe fits inside a 40-ft ISO container, and the circumference of the floater, seen in cross section in a central part of the floating pipe, is a square, a truncated circle, a rounded square, a squircle, or similar shape.