T-Type Geotextile Tube Filling Port for Uniform Sediment Distribution
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Solution Overview
Problem
Conventional slurry filling methods for geotextile tubes often result in excessive pumping pressure leading to geotextile rupture or failure, and cause non-uniform sediment distribution due to hydraulic jumps and turbulent waves, which overstress the geotextiles and lead to uneven deposition heights.
Innovation Solution
A T-type geotextile tube filling port with a main body and laterally directed outlets that deflect the slurry in the longitudinal direction, reducing impact force and promoting even sediment distribution by dissipating kinetic energy and increasing injection distance between inlets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional straight type filling port is used, then slurry can be filled into geotextile tube, but excessive pumping pressure causes geotextile rupture or failure
Solution Approach 1:
The filling port is changed from a straight type (I-type) to a T-type configuration, redirecting the slurry flow from a vertical downward direction into the longitudinal direction of the tube. This dimensional change in flow direction allows slurry to be distributed along the tube length rather than concentrating force at the bottom, reducing pumping pressure requirements and preventing geotextile rupture.
Solution Approach 2:
The T-type filling port divides the single vertical slurry stream into multiple lateral outlets distributed along the tube. This segmentation of the flow path distributes the slurry injection points throughout the tube structure, reducing the concentration of force at any single location and enabling lower pumping pressures to achieve effective filling.
2Productivity
If conventional straight type filling port is used, then slurry filling can be performed, but non-uniform sediment distribution occurs due to hydraulic jump
Solution Approach 1:
By changing the slurry injection direction from vertical to lateral (longitudinal), the hydraulic jump phenomenon that causes turbulent waves and non-uniform deposition is eliminated. The slurry flows smoothly along the tube length, allowing sediments to deposit uniformly throughout the tube structure.
Solution Approach 2:
The invention converts the high-velocity slurry flow, which would normally create harmful hydraulic jumps and turbulence, into a beneficial longitudinal flow pattern. The kinetic energy of the slurry is utilized to transport sediments along the tube length, promoting uniform distribution rather than concentrated deposition at the bottom.
3Productivity
If conventional straight type filling port is used, then slurry injection can be performed, but circumferential force increases causing geotextile overstress
Solution Approach 1:
The T-type filling port redirects slurry flow from the vertical direction into the longitudinal direction of the tube. This dimensional change transforms the force vector from acting circumferentially on the tube walls to acting axially along the tube length, significantly reducing circumferential stress and preventing geotextile overstress while maintaining injection efficiency.
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 enhances injection efficiency, prevents blockages, and achieves uniform sediment distribution, reducing the risk of geotextile failure and improving constructability and economic efficiency by minimizing turbulence and maximizing sediment deposition at the ends of the tube.
Implementation Method 1
A phenomenon called the hydraulic jump will occur as the pressurized slurry crashes at the bottom of the geotextile tube
Implementation Method 2
The turbulent wave caused by the collision of slurry and the bottom of the geotextile tube will be dispersed sideways
Implementation Method 3
The outlet may be formed in a bellows shape to form a preset turbulence, when the outlet is expanded by an injection pressure of the dredge soil
Data Source
AI summary
A divergence type geotextile tube for filling a port includes a main body to which a main hose for injecting dredge soil is connected, the main body having a lower portion inserted in the tube structure, and an outlet provided in the main body to exhaust the injected dredge soil in a lateral direction, in a state of being inserted in the tube structure.