Non Woven Geotextile Drainage Fabric
1.Fast drainage: The three-dimensional structure forms a smooth channel, quickly draining accumulated soil water.
2.Stable foundation: Enhance the soil's ability to resist deformation and improve the stability of the foundation or slope.
3.Long weather resistance: Corrosion-resistant and aging resistant, with a long service life in complex soil environments.
4.Good construction: Easy to lay, reducing processes, saving time and costs.
Product Introduction
Non Woven Geotextile Drainage Fabric is a versatile, high-strength engineering cloth designed for environment friendly soil drainage, filtration, and stabilization in civil development and landscaping projects. Adopting superior cloth technology, the Non Woven Geotextile Fabric Double Punched aspects dense fiber constructions and more advantageous tensile strength, handing over finest sturdiness for long-term underground use. The upgraded Double Punched Non Woven Geotextile optimizes fiber permeability, efficiently fixing frequent troubles like soil blockage and water accumulation in engineering foundations. It flawlessly realizes the core feature of Geotextile as Filter, precisely blockading nice soil particles whilst permitting extra water to ignore thru freely. Lightweight, corrosion-resistant and handy to install, this drainage geotextile prevents soil erosion and basis settlement, making sure secure and dependable operation of road, backyard and hydraulic engineering projects.
1、 Basic attributes
Non Woven Geotextile Drainage Fabric is a permeable geosynthetic material made from polymer materials such as polypropylene and polyester through non-woven processes such as needle punching, thermal bonding, or chemical bonding. Its structure is mostly in the form of a three-dimensional mesh or interwoven fibers, with a certain thickness and porosity, lightweight texture, and strong integrity, which can adapt to the physical and chemical properties of different soil environments.
2、 Core functions
Drainage and infiltration: Through continuous internal pore channels, excess water (such as rainwater and groundwater) in the soil is quickly discharged, reducing soil pore water pressure and avoiding soil softening or landslides caused by water accumulation.
Soil reinforcement: With its own tensile strength and friction characteristics, it disperses the force on the soil, limits the displacement of soil particles, enhances the stability of the foundation, slope or roadbed, and reduces settlement deformation.
Filtering and isolation: During the drainage process, intercept soil fine particles to prevent them from flowing away with water and causing piping or blockage. At the same time, isolate soil layers of different particle sizes to avoid mixed pollution.
3、 Main features
Efficiency: The three-dimensional pore structure has low drainage resistance, fast water conductivity, and can quickly respond to soil drainage needs.
Durability: The raw materials are resistant to acid and alkali, corrosion, and biodegradation, and have a long service life in underground or outdoor environments, making them less prone to failure due to environmental erosion.
Convenient construction: The texture is soft and curly, lightweight, and does not require complex machinery for laying. It is easy to assemble and can adapt to irregular terrain, shortening the construction period.
Multi functional integration: It has functions such as drainage, filtration, and reinforcement, without the need to lay multiple materials, reducing project costs and complexity.
Product Parameters
project | metric | ||||||||||
Nominal strength/(kN/m) | |||||||||||
6 | 9 | 12 | 18 | 24 | 30 | 36 | 48 | 54 | |||
1 | Longitudinal and transverse tensile strength / (kN/m) ≥ | 6 | 9 | 12 | 18 | 24 | 30 | 36 | 48 | 54 | |
2 | Maximum elongation at maximum load in longitudinal and transverse directions/% | 30~80 | |||||||||
3 | CBR top penetration strength /kN ≥ | 0.9 | 1.6 | 1.9 | 2.9 | 3.9 | 5.3 | 6.4 | 7.9 | 8.5 | |
4 | Longitudinal and transverse tearing strength /kN | 0.15 | 0.22 | 0.29 | 0.43 | 0.57 | 0.71 | 0.83 | 1.1 | 1.25 | |
5 | Equivalent aperture O.90(O95)/mm | 0.05~0.30 | |||||||||
6 | Vertical permeability coefficient/(cm/s) | K× (10-¹~10-), where K=1.0~9.9 | |||||||||
7 | Width deviation rate /% ≥ | -0.5 | |||||||||
8 | Unit area mass deviation rate /% ≥ | -5 | |||||||||
9 | Thickness deviation rate /% ≥ | -10 | |||||||||
10 | Thickness coefficient of variation (CV)/% ≤ | 10 | |||||||||
11 | Dynamic perforation | Puncture hole diameter/mm ≤ | 37 | 33 | 27 | 20 | 17 | 14 | 11 | 9 | 7 |
12 | Longitudinal and transverse fracture strength (grab method)/kN ≥ | 0.3 | 0.5 | 0.7 | 1.1 | 1.4 | 1.9 | 2.4 | 3 | 3.5 | |
13 | Ultraviolet resistance (Xenon arc lamp method) | Longitudinal and transverse strength retention rate% ≥ | 70 | ||||||||
14 | Ultraviolet resistance (fluorescence UV lamp method) | Longitudinal and transverse strength retention rate% ≥ | 80 | ||||||||
Product Application
1. Road and Rail Transit Engineering
2. Water conservancy and waterway engineering
3. Construction and Municipal Engineering
4. Mining and Environmental Engineering
5. Agricultural and Landscape Engineering
Non Woven Geotextile Drainage Fabric is widely applied in road foundation drainage and protection projects, serving as an essential auxiliary material for highway, municipal road and pavement renovation engineering. Road bases are prone to water accumulation, soil softening and foundation deformation after long-term rain erosion, which easily causes pavement cracking and subsidence. This professional geotextile material can effectively solve these road engineering problems with its excellent filtration and drainage performance. The high-quality Non Woven Geotextile Fabric Double Punched adopts a reinforced double punching process, with uniform fiber distribution and strong structural stability. It boasts outstanding tensile and anti-puncture capabilities, resisting damage from gravel extrusion and ground pressure during road construction and long-term use. The optimized Double Punched Non Woven Geotextile further improves internal pore uniformity, balancing high water permeability and anti-clogging performance. It gives full play to the core advantage of Geotextile as Filter, effectively intercepting fine soil particles in the road base to prevent soil loss and layer mixing, while quickly draining accumulated rainwater out of the foundation. This avoids water retention inside the road base, prevents soil muddying and foundation loosening, and greatly enhances road bearing capacity and service life. Simple to lay and highly adaptable, this geotextile reduces later road maintenance frequency and engineering costs, becoming a reliable choice for modern road foundation waterproofing and drainage projects.
In summary, non-woven geotextile drainage fabrics have effectively solved engineering problems such as water damage, unstable foundations, and pollution dispersion in many fields such as road infrastructure, water conservancy protection, construction and municipal engineering, and ecological restoration through their multiple functions of "drainage, reinforcement, and filtration". Its lightweight, easy to construct, and strong durability characteristics not only simplify the construction process and reduce project costs, but also fundamentally improve the structural safety and long-term stability of various infrastructure, becoming an indispensable key material in modern engineering construction.
