Versatile Black Long Fiber Geotextile for Roads Railways and Airport Runways
Product Introduction
Black long fiber geotechnical fabric is a geosynthetic material made from polyester filaments through needling reinforcement technology. It has excellent mechanical properties, water permeability, corrosion resistance, and aging resistance, making it suitable for various engineering fields.
Product Properties
High Strength: The black long fiber geotechnical fabric has high tensile strength and elastic modulus, effectively resisting the impact of external forces.
Withstands High and Low Temperatures: This material maintains its performance within a wide range of temperatures, making it suitable for various climate conditions.
Alkali Resistance: After surface coating treatment, the black long fiber geotechnical fabric has excellent alkali resistance, suitable for use in various environments.
Environmentally friendly: The black long fiber geotechnical fabric does not contain chemical additives and is not subjected to heat treatment, making it an environmentally friendly construction material.
Product Application
Hydraulic Engineering: Used for filter in dams and slope protection, isolation and imperviousness in canals.
Traffic Engineering Aspects
Roads, railways, airport runways: Can be used for base isolation, filtration, drainage, embankments, retaining walls, and reinforcement of road surfaces and drainage.
Temporary Road: Functions to reinforce weak foundations, etc.
Port Engineering: Used for soft foundation treatment, beach revetment, reinforcement of seaport wharves and breakwaters, drainage, etc.
Special Environmental Engineering Aspects: Particularly suitable for reinforcement, strengthening, and drainage in projects such as saline swamps and landfill sites, as well as for filter isolation.
Through the introduction above, we can understand that black long fiber geotechnical fabric is a multi-functional and high-performance geosynthetic material, suitable for various engineering fields. During construction and use, some specific requirements need to be paid attention to.
Product Specification and Technical Index
(GB/T 17639—2023)
Item
| Index
| ||||||||||
Nominal strength/(KN/m) | |||||||||||
6 | 9 | 12 | 18 | 24 | 30 | 36 | 48 | 54 | |||
1.00 | Longitudinal And Transverse Tensile Strength(KN/m≥) | 6.0 | 9.0 | 12.0 | 18.0 | 24.0 | 30.0 | 36.0 | 48.0 | 54.0 | |
2.00 | Elongation Under Maximum Load In Vertical And Horizontal Direction(%) | 30~80 | |||||||||
3.00 | CBR Burst Strength ( KN≥) | 0.9 | 1.6 | 1.9 | 2.9 | 3.9 | 5.3 | 6.4 | 7.9 | 8.5 | |
4.00 | Tearing Strength (KN,≥,LD/TD) | 0.15 | 0.22 | 0.29 | 0.43 | 0.57 | 0.71 | 0.83 | 1.10 | 1.25 | |
5.00 | Sieve SizeO90,O95 (mm) | 0.05~0.30 | |||||||||
6.00 | Vertical Permeability Coefficient (cm/s) | Kx(10ˉ1-10ˉ3) K=1.00-9.90 | |||||||||
7.00 | Width Variation (%≥) | -0.5 | |||||||||
8.00 | Weight Variation (%≥) | -5 | |||||||||
9.00 | Thickness Deviation Rate(%≥) | -10 | |||||||||
10.00 | Coefficient Of Thickness Variation(%≤) | 10 | |||||||||
11.00 | Dynamic Punch | Hole Diameter(mm≤) | 37.0 | 33.0 | 27.0 | 20.0 | 17.0 | 14.0 | 11.0 | 9.0 | 7.0 |
12.00 | Longitudinal And Transverse Breaking Strength(KN)≥ | 0.3 | 0.5 | 0.7 | 1.1 | 1.4 | 1.9 | 2.4 | 3.0 | 3.5 | |
13.00 | Uv resistance (Xenon Arc Lamp Method) | Vertical And Horizontal Strength Retention(%≥) | 70 | ||||||||
14.00 | Uv resistance (Fluorescent UV Lamp Method) | Vertical And Horizontal Strength Retention(%≥) | 80 |