Nonwoven Geotextile Polypropylene Black White Color In 150 Gsm For Road And Bridge Construction
Geotextile is an engineering material widely used in civil engineering, ecological restoration and environmental protection. It is usually made of synthetic fibers and has good water permeability, strength and durability. The following is a detailed introduction to the definition, classification, characteristics, application and construction precautions of geotextile.
Geotextile is based on synthetic fibers, has strong water permeability and high tensile strength, can isolate, reinforce and filter soil, and is widely used in road reinforcement, dam anti-seepage, landfill isolation and other scenarios. This lightweight and durable material can reduce soil erosion by 60%, extend the life of the project, and become the core solution for stability and environmental protection in civil engineering.
| Name | Geotextile |
| Color | Customized |
| Weight (gsm) | 100-800 gsm, customized |
| Size (m/roll) | Customized |
| Material | PET, PP, customized |
| Type | Nonwoven, woven |
| Usage | Civil construction projects |
Application of Geotextile
Geotextiles, as multifunctional engineering materials, are widely used in infrastructure construction, environmental engineering, agricultural production and civil fields, mainly playing the functions of isolation, filtration, drainage and protection.
Infrastructure construction: Highway and railway engineering
As an isolation layer to prevent the mixing of roadbed materials, the Shanghai-Kunming High-speed Railway uses polypropylene woven fabric to reduce roadbed settlement by 38%. Needle-punched non-woven geotextiles (permeability coefficient of 1×10 ²cm/s) are used in drainage systems. The Beijing-Hong Kong-Macao Expressway expansion project solves the problem of softening the base by laying 300g/m² polyester geotextiles.
Water conservancy projects: Composite geotextiles (600g/m²) are used in the Three Gorges Reservoir area to achieve an anti-seepage strength of 0.3MPa to prevent bank slope collapse.
The Yellow River flood control project uses woven geotextiles to make soft drainage, reducing costs by 45% and resisting scouring at a flow rate of 4m/s.
Environmental Engineering:
Landfills
Guangzhou Xingfeng Landfill uses a composite system of bentonite waterproof blanket and HDPE membrane, with a leachate collection rate of 99.7%. During the restoration of the Luzhai phosphogypsum slag field in Guangxi, 400g/m² geotextiles were used in combination with crushed stone cushion to improve the stability of the dam.
Mine Ecological Restoration
The Inner Mongolia rare earth mine project uses grass seed belt geotextiles, and the vegetation coverage rate reaches 85% within 6 months.
Agricultural Production:
Gardening Ground Fabric System
Black PP woven fabric (100g/m²) inhibits 95% weed growth, and the vegetable base reduces weeding costs by 70%.
Aquaculture
The breeding ponds made of HDPE anti-seepage geotextiles are salt-alkali resistant and have a lifespan of 10 years. The Wenchang breeding farm in Hainan has increased the water exchange efficiency by 40%.
Product specifications and standards
1. Common parameters
- Weight range: 100g/m²~800g/m², width 1m~6m, roll length 50m~1000m.
- Thickness: 0.3mm~20mm, customized according to project requirements.
2. Industry standards
- Chinese standard: JT/T992.1-2015 (highway engineering geotextile standard).
- International certification: ISO9001, ISO14001, etc.
Yixing Shenzhou Partial Typical engineering cases for PP Nonwoven Geotextile used in Railway project
1. Suiyu Railway Test Section
Our country used geosynthetics in ballastless track for the first time, verifying the feasibility of polypropylene geotextile in the sliding layer.
2. Beijing-Shanghai High-speed Railway and Wuhan-Guangzhou High-speed Railway
CRTSⅠ/Ⅱ type slab track is widely used, and polypropylene geotextile is used as the key material of the isolation layer and sliding layer.
3. Zhengzhou-Xuzhou Passenger Dedicated Line
CRTSⅢ type track slab was used on a large scale for the first time, with 700g/㎡ high-strength polypropylene geotextile, marking the maturity of domestic production technology.
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