In the construction of modern landfills, ensuring proper containment and environmental protection is paramount. Among the key components of landfill liner systems, staple fiber needled non-woven geotextiles play a crucial role in providing structural integrity, filtration, and drainage capabilities. Let's delve into the significance and characteristics of this essential material in landfill liner construction.
Features
1. Structural Integrity:Staple fiber needled non-woven geotextiles serve as a foundational layer in landfill liner systems, providing structural support to the overall containment structure. These geotextiles are engineered with high-strength fibers and a dense needling process, ensuring exceptional tensile strength and puncture resistance. This structural integrity is essential for withstanding the stresses exerted by the landfill contents and maintaining the integrity of the liner system over time.
2. Filtration and Separation:In landfill applications, preventing the migration of fine particles while allowing for the efficient passage of water is crucial. Staple fiber needled non-woven geotextiles act as effective filtration and separation barriers, preventing soil intrusion into the landfill while facilitating the drainage of leachate. By effectively filtering out fines and maintaining proper soil-geotextile interface friction, these geotextiles help uphold the hydraulic performance of the landfill liner system.
3. Hydraulic Properties:Hydraulic conductivity is a critical factor in landfill liner design, as it influences the drainage efficiency and overall stability of the containment system. Staple fiber needled non-woven geotextiles are engineered to possess optimal hydraulic properties, striking a balance between permeability and filtration. This allows for the controlled passage of water through the liner system, preventing pore clogging and ensuring efficient leachate collection and removal.
4. Chemical Resistance:Landfills often contain a diverse range of chemical constituents, including aggressive leachate from decomposing waste materials. Staple fiber needled non-woven geotextiles are designed to withstand exposure to these chemicals, offering excellent resistance to degradation and maintaining their mechanical properties over time. This chemical resistance ensures the long-term performance and durability of the landfill liner system in challenging environmental conditions.
5. Environmental Compatibility:As with all geosynthetic materials used in landfill construction, environmental compatibility is a key consideration. Staple fiber needled non-woven geotextiles are manufactured using materials that are inert and non-toxic, ensuring minimal environmental impact. Additionally, these geotextiles are designed for ease of installation and are compatible with various soil types, making them versatile and cost-effective solutions for landfill liner applications.
Product introduction
Geotextile is a kind of nonwoven and industrial cloth, which is made of polyester crimped staple fiber with fiber density of 6-12 denier and length of 54-64mm.
Through the non-woven production equipment opening, combing, clutter (short fibers interwoven together), laying nets (standardized entanglement fixed), acupuncture and other production processes to make cloth. It is used in railway roadbed reinforcement, highway pavement maintenance, sports hall, dam protection, hydraulic construction isolation, tunnel, coastal beaches, reclamation, environmental protection and other projects.
3、How is staple fiber non-woven geotextile produced?
(1) Raw material unpacking: After unpacking, observe the appearance of raw materials and whether there are other debris.
(2) Raw material loosening: The role of loosening is to change the raw material from large pieces to small pieces or fiber bundles.
(3) Cotton feeding box: The fiber is fully opened and mixed into uniform 筳 cotton fed to the carder.
(4) Fiber carding: The role of the carding machine is to process the fibers through the opening process into a thin fiber net, and after laying and crossing into a net, for the acupuncture machine reinforcement.
(5) Mesh laying: The single-layer fiber net output by the carding machine needs to be repeatedly stacked through the mesh laying mechanism to achieve the product's required unit area quality and width.
(6) Acupuncture: The role of the acupuncture machine is to initially wind and finalize the fiber net formed by combing and laying the net to meet certain technological requirements, reduce the drafting of the formed fiber net as much as possible, and ensure that the direction of the fiber net of the fibril net is unchanged to achieve the best result of the product.
(7) Trimming and winding and finished product packaging.
4、Production workshop
Welcome to our advanced production workshop! This is the center of precision manufacturing in our company. The following are some pictures of our advanced production equipment and high-quality products, as well as the workshop pictures implemented in accordance with the 6S standard: the equipment floor is clean, the product equipment is placed reasonably, and the ground line is clear and clear.
These pictures show our company's production equipment and some of our products, demonstrating our advanced production process and precision manufacturing capabilities.
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5、Short fiber needled nonwoven geotextile quality technical index
The technical requirements of the basic internal quality of geosynthetic materials staple fiber needled nonwoven geotextiles are shown in the table, which conforms to the new national standard GB/T 17638-2017 in China.
No. | Item | Unit | Nominal breaking strength | ||||||||
3 | 5 | 8 | 10 | 15 | 20 | 25 | 30 | 40 | |||
1 | Longitudinal and transverse fracture strength | Kn/m | ≧3.0 | ≧5.0 | ≧ 8.0 | ≧10.0 | ≧15.0 | ≧20.0 | ≧25.0 | ≧30.0 | ≧40.0 |
2 | Nominal breaking strength corresponds to elongation | % | 20~100 | ||||||||
3 | Bursting force | Kn | ≧0.6 | ≧1.0 | ≧1.4 | ≧1.8 | ≧2.5 | ≧3.2 | ≧4.0 | ≧5.5 | ≧7.0 |
4 | Mass deviation rate per unit area | % | ±5 | ||||||||
5 | Width deviation rate | % | -0.5 | ||||||||
6 | Thickness deviation rate
| % | ±10 | ||||||||
7 | Equivalent aperture O90(O95) | mm | 0.07-0.20 | ||||||||
8 | Vertical permeability coefficient | cm/s | K*(10-1~10-3) ,K=1.0~9.9 | ||||||||
9 | Vertical and horizontal tearing force | Kn | ≧ 0.10 | ≧ 0.15 | ≧ 0.20 | ≧ 0.25 | ≧ 0.40 | ≧ 0.50 | ≧ 0.65 | ≧ 0.80 | ≧ 1.00 |
10 | Acid and alkali resistance (Strength guarantee ratio) | % | ≧80 | ||||||||
11 | Antioxidant property(Strength guarantee ratio) | % | ≧80 | ||||||||
12 | Ultraviolet resistance(Strength guarantee ratio) | % | ≧80 | ||||||||
6、Construction site display
Below are photos of the construction site of our project, showing the key stages of the construction process, the operations of the workers, and the actual conditions of the site environment. These photos truly reflect and record the progress of the project, the quality of the engineering, the implementation of safety measures and the teamwork. They are an important tool for project management and supervision, helping to track project progress and assess construction quality.
7、Staple fiber punched geotextile function
(1) The use of squat geotextile good air permeability and water permeability, so that water flow through, so as to effectively intercept the loss of sand.
(2) Geotextile has good water conductivity, it can form a drainage channel inside the soil, the excess liquid and gas in the soil structure out.
(3) The use of geotextiles to enhance the tensile strength and deformation resistance of the soil, enhance the stability of the building structure, and improve the quality of the soil.
(4) Effectively diffuse, transfer or decompose the concentrated stress to prevent the soil from being damaged by external forces.
Prevent mixing between upper and lower layers of sand, soil and concrete.
(5) The mesh is not easy to block - the network structure formed by the amorphous fiber tissue has anisotropy and motility.
(6) High permeability - under the pressure of soil and water, it can still maintain good water permeability.
(7) Corrosion resistance - polypropylene or polyester and other chemical fiber as raw materials, acid and alkali resistance, no corrosion, no moth, anti-oxidation.
8、Mode of transport
We provide our customers with a variety of transportation methods for remote delivery of geomaterials, ensuring that products reach their destinations safely and quickly. Our range of transport options includes land, sea and air transport to meet the different needs and project requirements of our customers.
9、FAQ
Q1: Are you a factory or a trading company?
A1: We are a professional manufacturer of geomembrane, geotextile, composite geomembrane, etc., with ISO9001 quality management system certification.
Q2: Could you please send the sample before confirming the order?
A2: Yes, we'd be happy to send you a free sample for evaluation if you'd like.
Q3: Can you produce according to the customer's requirements?
A3: Of course. We are professional manufacturers. OEM and ODM are welcome.
Q4: How do you guarantee the quality testing of your products?
A4: The testing center of Haoyang Environmental Co., Ltd. obtained the CNAS Laboratory accreditation Certificate, certificate number L11088. Each batch of products will undergo rigorous testing before leaving the factory.
Q5: What is its main use?
A5: It is mainly used for soil separation, drainage, filtration, isolation and other projects to prevent soil erosion and protect infrastructure.
Q6:How durable is it?
A6: Short silk non-woven needled geotextile has good durability and tensile resistance, and can be used for a long time under a variety of environmental conditions.
Q7: What about product price and quality assurance?
A7: We offer competitive prices and guarantee that our products meet quality standards to ensure that customers get high quality products.
Q8: How water and air permeability is it?
A8: The water permeability and air permeability of short silk non-woven needled geotextile will affect its effectiveness in drainage and protection, and it generally has good water permeability, so that water can flow freely.
Staple fiber needled non-woven geotextiles are indispensable components of modern landfill liner systems, offering a combination of structural integrity, filtration, hydraulic properties, chemical resistance, and environmental compatibility. By incorporating these geotextiles into landfill construction projects, engineers can ensure effective containment of waste materials and protect the surrounding environment for generations to come.
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