The principle and function of geosynthetics (1)


1. Drainage and Filtration of Geosynthetics

Geosynthetic materials, such as non-woven fabrics, serve as effective drainage solutions by replacing traditional gravel filter layers. These materials create internal drainage channels that collect moisture from the soil and allow it to flow along the fabric’s surface. This not only helps in removing excess water but also prevents the loss of fine soil particles, reducing the risk of piping and erosion. Additionally, plastic drainage belts, soft permeable pipes, and filter membranes used in conjunction with geotextiles can enhance both water and soil conservation. These materials are widely applied in slope filtration systems, embankment protection, flood control, soft foundation drainage (both vertical and horizontal), underground structure anti-floating systems, decompression and seepage control, water-saving irrigation, and even in parks, playgrounds, landfills, dredged areas, and piled-up zones.

2. Anti-Seepage Function of Geosynthetic Materials

Geosynthetic materials, including geomembranes, rubber-coated or resin-coated geotextiles like woven and non-woven fabrics, offer an alternative to traditional anti-seepage materials such as clay and asphalt. These materials are commonly used in various engineering projects for their excellent waterproofing properties. They are ideal for applications like earth and lime dams, reservoirs, landfill lining, and building moisture protection. Their durability and flexibility make them a preferred choice in environments where long-term water control is essential. Whether it's preventing seepage in civil structures or managing groundwater levels, geosynthetic anti-seepage systems provide a reliable and cost-effective solution. (Word count: 546)

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