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ADSCIVIL: CALCULATION AND DESIGN OF UNDERWATER STRUCTURE USING GEOTUBES

ADSCIVIL: CALCULATION AND DESIGN OF UNDERWATER STRUCTURE USING GEOTUBES

I. Introduction to Geotube

Currently, underwater structure and marine structure, Geotube technology is applied to make flexible breakwater dike. This method currently has many advantages such as: Flexibility – it can be applied to any coast; Simple and low-cost construction – it can use sand or mud at the construction site to pump into the tube; Long life circle – it is easy to maintain…

A successfully typical example in the application of Geotube technology is the Tan Vu - Lach Huyen - Hai Phong sea-crossing bridge project.

In terms of shape, Geotube resembles a sand trowel manufactured from specially reinforced Polypropylene (PP) geotextile, with high strength, high scratch and UV resistance, high stability in the marine environment and it can be applied to port and underwater structure.

Geotube seam is made based on tube circumference and filled by hydraulic pump. Geotube tube size can be up to height H = 3m and length L = 100m. The common length of Geotubes is 25-50m.

II. ADSCivil in calculating and designing breakwater dike using Geotube:

In structure design, the application of new materials, new technology is always updated. Therefore, one of the important parts of design software is to always update new features according to new construction methods. These new technology-driven design features have always been an important orientation of ADSCivil software development. As soon as we had a request from the customer, the experts of ADSCivil and partner engineers together analyzed and generalized the technical problem. On the basis, ADSCivil has added new features:

Geotube filling design: With its high diversity and flexibility, Geotube technology was applied for filling. It brings a thoroughly and completely automatically solution:

  • Add a variety of Geotubes with any cross-section.

  • Automatically select the appropriate number and type of tubes based on the slope height.

  • Automatically calculate of embankment volume and geotube volume.

  • User define “components” along the alignment: This universal feature allows users define “components” (special retaining walls with any shape, technical trenches and pipeline systems ...)

  • Insert the components into the design cross-section.

  • Show in the design elevation for each component.

  • Calculate the earthwork volume of various components.

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These features are simple and flexible to use, allowing engineers to customize and design breakwater dikes with Geotubes in the fastest way, saving up to 70-80% of design time and volume calculation.

Some pictures of customers using ADSCivil in the design of marine dikes with geotubes:

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