Woven geotextile is a type of geosynthetic material that is made by weaving synthetic fibers together. It is commonly used in civil engineering and construction projects for various applications such as soil stabilization, erosion control, filtration, and separation.
How does woven geotextile filter water?
Woven geotextiles have specific filtration properties that allow water to pass through while retaining soil particles. Here's how woven geotextiles filter water:
- Pore Size: Woven geotextiles are manufactured to a specific pore size or opening size. Pore size determines the maximum size of soil particles that can pass through the fabric. The size of the openings is carefully chosen to allow water to flow through while preventing larger soil particles from passing through.
- Sieve effect: The woven structure of geotextiles creates a sieve-like effect. As water flows through the geotextile, smaller particles are carried with the water, while larger soil particles are captured and retained by the fabric. This helps separate and filter soil particles from the water.
- Retains Fine Particles: Woven geotextiles effectively retain fine soil particles, such as silt and clay, which are typically more susceptible to erosion. The fabric's tight weave and small pore sizes trap and retain these fine particles, preventing them from migrating with water.
- Grading Control: Woven geotextiles can also help control the grading of soil particles. They act as a barrier to prevent different soil layers from mixing, allowing for better drainage and filtration. This helps maintain the stability and integrity of the soil structure.
- Hydraulic conductivity: Woven geotextiles are designed to have a specific level of permeability or hydraulic conductivity. This allows water to flow through the fabric at a controlled rate while still providing effective filtration. Permeability is usually balanced to ensure proper drainage and filtration without excessive water flow.
It is important to note that the filtration efficiency of woven geotextiles may vary according to specific fabric specifications, including pore size, fabric thickness, and material properties. Appropriate selection of woven geotextiles according to specific engineering requirements and soil conditions is the key to ensuring optimal filtration performance.
Why do geotextiles meet the demand?
Geotextiles can help reduce maintenance requirements in a variety of applications due to:
1. Soil stabilization: Geotextiles can enhance soil stability and prevent soil erosion. By acting as a barrier between different soil layers, geotextiles can minimize soil movement and settlement, thereby reducing the need for frequent maintenance and repairs.
2. Erosion Control: Geotextiles can be used to stabilize slopes, levees and shorelines to prevent erosion caused by water flow or wind. By reinforcing soil and preventing soil particles from being washed away, geotextiles help maintain structural integrity and reduce erosion-related maintenance needs.
Separation and Filtration: Geotextiles act as a separation layer between different materials, such as soil and aggregate. They prevent these materials from mixing, thereby reducing the risk of clogging or degradation. By providing effective filtration, geotextiles also help prevent the build-up of fines and sediment, which can cause drainage system maintenance issues.
3. Load distribution: In applications such as road construction, geotextiles can distribute loads more evenly over the underlying soil. This helps minimize uneven settlement and improves the overall stability of the structure, thereby reducing the need for maintenance due to uneven settlement or structural damage.
4. Long life and durability: Geotextiles are durable and not easily degraded in harsh environments. They can withstand heavy loads, temperature changes, and stresses caused by exposure to chemicals or UV radiation. By providing long-term performance and protection, geotextiles can reduce the frequency of maintenance and replacement.
5. Cost Savings: Geotextiles can provide long-term cost savings by reducing maintenance requirements and extending the life of the structure. The initial investment in geotextiles may be higher compared to traditional methods, but the reduction in maintenance and repair costs may outweigh the initial expense.
It is important to note that the effectiveness of geotextiles in reducing maintenance requirements depends on proper design, installation and compliance with engineering guidelines. Consulting with a geotechnical engineer or industry professional is critical to ensuring that geotextiles are correctly selected and installed for a specific application to achieve optimal maintenance reduction benefits.
|
Property |
Unit |
Test method |
WGL10 |
WGL20 |
WGL25 |
WGL30 |
WGL40 |
WGL50 |
WGL60 |
WGL70 |
WGL80 |
|
Raw Material |
|
ASTM D 276 |
Polyester (PET) |
||||||||
|
Tensile Strength MD |
kN/m |
ASTM D 4595 |
100 |
200 |
250 |
300 |
400 |
500 |
600 |
700 |
800 |
|
Tensile Strength CD |
kN/m |
ASTM D 4595 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
|
Elongation MD |
% |
ASTM D 4595 |
<12 |
||||||||
|
Elongation CD |
% |
ASTM D 4595 |
<12 |
||||||||
|
Permeability |
cm/s |
ASTM D 4491 |
≥ 1 x 10-4 |
||||||||
|
Roll Width |
m |
|
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
3.5~3.6 |
|
Roll Length |
m |
|
700 |
400 |
300 |
250 |
180 |
150 |
130 |
100 |
90 |
|
Container loading |
m2 |
Approx./40'HC |
70,000 |
45,000 |
40,000 |
35,000 |
30,000 |
23,000 |
20,000 |
T.B.A |
T.B.A |
Contact Information
Taian City Ruiheng Building Materials Co., Ltd
Address: NO.3566 Longquan Road, Tai'an Hi-tech Zone, Shandong Province, China
Website: www.rhgeos.com
Email: bonnie@rhgeos.com
Phone / Whatsapp / Wechat: 0086 188 5482 2179
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