Erosion Control

PRODUCTS

Nonwoven Geotextiles

Woven Geotextiles

Geomembranes

Geogrids

Geosynthetics Clay Liner (GCL)

Geocell

Geonet

Geocomposites

FEATURED PRODUCTS
CONTACT DETAILS
+86-159 9860 6917
info@geofantex.com
geofantex@gmail.com
+86-400-8266163-44899

Geosynthetics play a crucial role in enhancing hydraulic structures and managing erosion and sediment control. Geofantex offers high-performance, non-degradable products that improve durability, reliability, and performance in watercourses by enhancing flow velocities and shear resistance. These solutions, whether used with or without vegetation, effectively reduce or eliminate soil erosion of the underlying subgrade. Additionally, Geofantex’s erosion and site management systems provide temporary and permanent erosion control solutions, replacing traditional materials like rock or concrete and offering cost-saving opportunities while protecting the environment. From hydraulic mulch fibers to erosion control geotextiles, Geofantex offers a comprehensive suite of products to meet various erosion control needs, ensuring stability and cost-effectiveness in slope and channel stabilization.

The Main Functions of Various Geosynthetics:

Geotextiles play a pivotal role in erosion control, a critical aspect of civil and environmental engineering projects. Geotextiles are permeable fabrics that, when used in association with soil, can separate, filter, reinforce, protect, or drain. They are made from synthetic fibers, such as polypropylene or polyester, and come in various forms, including woven, non-woven, and knitted. Role and Functions of Geotextile in Erosion Control:

  • Separation: Geotextiles act as a barrier between different soil layers. For example, they can prevent the mixing of fine soil particles with larger aggregate materials in a road base. This separation function is essential for maintaining the structural integrity of the soil and preventing the surface erosion of finer materials.
  • Filtration: Geotextiles allow water to pass through while retaining soil particles, thus preventing the erosion of soil by water flow. This filtration capability is critical in protecting soil from being washed away in drainage areas, around culverts, and in retaining wall constructions.
  • Reinforcement: By distributing loads over a wider area, geotextiles can improve the stability and strength of the soil, making it more resistant to erosion under stress. They are often used in slope stabilization projects, embankment construction over soft soils, and in situations where soil reinforcement is necessary to prevent land slippage or erosion.
  • Protection: Geotextiles can protect soil from the erosive forces of water and wind. They are used to cover slopes to prevent raindrop impact and surface runoff erosion, as well as to shield soil in areas exposed to high winds.
  • Drainage: Geotextiles can act as a medium for water flow within the plane of the fabric, offering an efficient way to collect and transport water away from areas susceptible to erosion. This is particularly important in preventing the build-up of hydrostatic pressure behind retaining structures and in managing sub-surface water flow in slopes and embankments.

Geocells are an innovative and versatile geosynthetic product used extensively in the field of geotechnical engineering for erosion control, among other applications. Comprising a three-dimensional honeycomb-like matrix, geocells are made from high-density polyethylene (HDPE), polypropylene, or other polymer materials. These cells are expanded at the site and filled with soil, aggregate, concrete, or other fill materials, creating a flexible, permeable, and strong confinement system. Role and Functions of Geocell in Erosion Control：

  • Stabilization of Slopes: Geocells improve the stability of slopes by confining the fill material, thus reducing the risk of soil erosion under the forces of water and wind. The cellular structure enhances the shear strength of the confined materials, making it more resistant to downward and lateral movement.
  • Protection of Channel Linings: In water conveyance channels, geocells are used to protect the linings from erosion by water flows. Filled with concrete or vegetated soil, they provide a robust armor layer that resists the erosive forces of flowing water, protecting the underlying soil or geomembrane.
  • Reinforcement of Vegetated Areas: When filled with topsoil and seeded, geocells create a nurturing environment for vegetation growth, which is key to long-term erosion control. The roots of the plants interlock with the cell walls, further stabilizing the soil and increasing resistance to erosion.
  • Load Distribution on Unpaved Roads: Geocells distribute loads more evenly, reducing pressure on the soil and preventing rutting and erosion on unpaved roads, trails, and similar surfaces.
  • Bank and Shoreline Stabilization: Geocells are effectively used for protecting riverbanks, shorelines, and embankments from erosion. They prevent the washout of soils by waves, currents, and high water flows, safeguarding the integrity of these structures.

Geomats, also known as erosion control mats or blankets, are a type of geosynthetic material designed specifically for the protection and stabilization of soil surfaces prone to erosion. These mats are made from synthetic materials such as polypropylene, coir (coconut fiber), straw, or a combination of natural and synthetic fibers, and are used to prevent soil erosion by water or wind until vegetation can take root. Role and Functions of Geomat in Erosion Control:

  • Protection of Soil Surface: Geomats cover the soil surface, protecting it from the direct impact of raindrops, which can disperse soil particles and initiate erosion. This immediate protection is crucial, especially on bare soil surfaces exposed after construction activities or in areas with sparse vegetation.
  • Promotion of Vegetation Growth: Many geomats are designed to encourage the growth of vegetation by retaining moisture and providing a microclimate conducive to seed germination and root growth. The presence of vegetation further stabilizes the soil, significantly reducing the risk of erosion over time.
  • Reinforcement of Soil Structure: The physical presence of the mat adds strength and stability to the soil surface, helping to hold soil particles in place. This is especially important on slopes, where the risk of soil erosion is higher due to gravity.
  • Enhancement of Water Infiltration: By breaking the velocity of surface water runoff, geomats promote the infiltration of water into the soil rather than allowing it to flow over the surface, which can carry soil particles away. This also helps in reducing the potential for downstream erosion and sedimentation.

　SEPARATIONREINFORCEMENTFILTRATIONDRAINAGEWATERPROOFPREVENTIONPOLLUTION
PREVENTION		PROTECTIONCONSOLIDATE
GEOTEXTILE√√√√　　　√√
GEOMEMBRANE√　　　√　√　　
GEOGRID　√　　　　　　√
GEONET　　　√　　　　　
GEOTUBE　　　√　　　　　
GEOCELL　　　　　√　　√
GCL　　　　√　√　　
GEOCOMPOSITE√√√√√√√　　
Geosynthetic material type and function comparison table

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