Supply of Steel wire plastic wrapped Geogrid - Fabric Geocomposite for Reinforcing Asphalt Layers

Steel plastic geogrid fabrics as geocomposites are widely used in asphalt reinforcement to enhance the structural capacity and durability of pavement layers. In Kuwait, where extreme climatic conditions and high traffic loads are prevalent, composite geogrids play a crucial role in mitigating distresses and extending the service life of asphalt pavements.

Material Composition:
Geocomposites for asphalt reinforcement are typically manufactured using high-quality polymers and high tensile steel wire. Common materials include high-density polyethylene (HDPE), polyester (PET), or polypropylene (PP). These polymers provide excellent tensile strength, durability, and resistance to chemical degradation and UV radiation.

Color Options:
Geogrid fabric geocomposites are available in various colors, with black being the most common. Black color provides optimal visibility contrast against the asphalt pavement, making it easier to detect the geogrid during installation.

Tensile Strength:
Tensile strength is a critical property of geogrid fabric geocomposites, as it determines their ability to resist the tensile forces generated by traffic loads and temperature fluctuations. The tensile strength is typically specified in units of force per unit width (e.g., kN/m) or force per unit area (e.g., kN/m²).

Measuring Ultimate Tensile Strength:
The ultimate tensile strength (UTS) of geogrid fabric geocomposites is measured in accordance with the ASTM D6637 standard. Test specimens are elongated until failure, and the maximum force required to rupture the geogrid is recorded. The UTS is reported in units of force per unit width (e.g., kN/m) or force per unit area (e.g., kN/m²).

Rolls Packaging:
Geogrid fabric geocomposites are commonly supplied in rolls for convenient transportation and installation. The rolls are typically available in various widths, ranging from 1 meter to 6 meters, depending on the project requirements. The length of the rolls can vary based on manufacturer specifications or project-specific needs.

Local Installation Considerations in Kuwait:
When installing geogrid fabric geocomposites for asphalt reinforcement in Kuwait, several considerations should be taken into account:

Climate: Kuwait experiences a hot desert climate with high temperatures and low annual rainfall. The geogrids should be resistant to UV radiation, chemical degradation, and high-temperature effects to ensure long-term performance.
Subgrade Preparation: Proper subgrade preparation is essential to ensure adequate support and load distribution. The subgrade should be compacted and free from any loose or organic materials that could compromise the geogrid's performance.
Anchorage: Geogrid fabric geocomposites should be properly anchored to prevent movement and ensure effective load transfer. Anchorage methods may include embedding the geogrid into the underlying asphalt layer or utilizing mechanical connectors.
Installation Techniques: Installation should follow the manufacturer's guidelines and best practices. This may involve unrolling the geogrid fabric geocomposite along the longitudinal direction of the pavement, ensuring proper alignment and avoiding any wrinkles or folds.
Overlapping: Overlapping of geogrid panels should be performed with adequate overlap lengths to ensure continuity and prevent differential movement between adjacent panels.
Quality Control: Regular quality control checks should be conducted during and after installation to verify proper geogrid placement, anchorage, and alignment. This helps ensure that the geogrid fabric geocomposites are installed correctly and in accordance with project specifications.
Geogrid fabric geocomposites for reinforcing asphalt layers provide enhanced structural capacity and durability to pavements, particularly in regions with extreme climatic conditions and high traffic loads like Kuwait. Understanding the material composition, geogrid type, mesh size, color options, tensile strength, measuring ultimate tensile strength, rolls packaging, and local installation considerations is crucial for successful implementation. By considering these factors, engineers and contractors can select and install geogrid fabric geocomposites effectively, ensuring the longevity and performance of asphalt pavements in Kuwait.

TECHNICAL REQUIREMENTS
Geogrid (Geocomposite)
1. The reinforcing grid/fabric geocomposite shall be manufactured in accordance with latest BS EN ISO 9001 (Quality Management System). The paving fabric shall have residual bitumen retention of 1.1 kg/m2 mean value (+/- 0.20 kg/m2), when tested in accordance with latest ASTM D6140.
2. The ribs of the reinforcing grid shall be of rectangular cross section in both the longitudinal and transverse directions. And shall be 20.0 kn/m with peak strain of approximate 12.0% in the longitudinal and transverse directions respectively at that load, when tested in accordance with latest BS EN ISO 10319 ; 2008.
3. The reinforcing element shall be non-biodegradable, inest to all chemicals naturally found in soil and shall have no solvents at ambient temperature.
4. The reinforcing element shall have a minimum of 2% finely divided carbon black, as determined in accordance with latest ASTM DI603-06.
5. A composite consisting of a stiff monolithic geogrid with integral junctions bonded to a non-woven paving fabric.

Roll width x Roll length	m	3.8x50
QC strength (2)	kn/m	20.0
Approx peak strain	%	12.0
Minimum carbon black (4)	%	2
Unit weight	Kg/m2	0.224

Delivery location North Kuwait.