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Application of Filament Geotextile in Hydraulic Engineering

Application of Filament Geotextile in Hydraulic Engineering

Polyester filament geotextile is directly made of polyester by spinning and needle-punching consolidation. The product specification is arbitrarily selected from 110-800g/m2. It is a geosynthetic material used in geotechnical engineering and civil engineering. It is made by the method of polyester filament forming and consolidation, and its fibers are arranged into a three-dimensional structure. In addition to good mechanical properties, it also has good vertical and horizontal drainage performance and good elongation performance, high chemical stability such as biological resistance, acid and alkali resistance, and aging resistance. At the same time, it also has a competitive pore size range, tortuous pore distribution, good permeability and filtration performance.

Filament geotextiles can be used in a wide range of applications, such as highways, railways, dams, coastal mudflats and other projects, as well as various saline-alkali swamps, landfills, etc. The main function is to reinforce, reverse filter and isolate drainage, especially in water conservancy projects, its existence is particularly important. So common in farmland water conservancy projects, in order to play its big role, what should we pay attention to? The following will give you an analysis.

1. It is recommended to use thick and thick filament geotextiles for isolation and protection, and can also increase the ground temperature, which is beneficial to prevent frost heave damage to the water channel. 200 grams of filament geotextiles are used as the bottom protection of the stone masonry layer played a good role.

2. It is recommended to use the national standard filament fabric. In the channel, the filament fabric is easily damaged by stone masonry. At the same time, the irregular operation of the construction personnel may also cause damage to the geotextile. The national standard fabric has high The strength, in the anti-stab and durability performance has always maintained different performance. On the other hand, the filament geotextiles provided by other industries use too much recycled material, and the strength drops quickly. Once a little damage is done, it will cause large-scale damage and lead to the failure of the entire project.

3. It is recommended to choose the appropriate width and roll length. The choice of cap width and roll length should be based on the specific length and overlap of the channel section, and combined with

It is convenient for workers to construct. The recommended product is 6 meters bright and 50 meters long, which has achieved good results.

4. Do a good job in product protection. Filament geotextiles are not easy to be exposed to sunlight for a long time. During storage and construction, you should pay attention to product protection, and use plastic films or other coverings for sun protection and waterproofing.

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