Product Introduction
Polyester (PET) Warp Knitted Geogrid is a high-tenacity soil reinforcement material made from high-molecular-weight, high-tenacity polyester yarns. Like its fiberglass counterpart, it is manufactured using a warp-knitting process and is typically coated with PVC or modified bitumen to protect the fibers and enhance its bonding with the soil.
While fiberglass grids are the masters of asphalt, Polyester Geogrids are the masters of soil and earthwork.
Working Principle
Why Polyester?
(Core Working Principles)Polyester is chosen for specific geotechnical challenges due to its mechanical behavior:
Creep Resistance: "Creep" is the tendency of a material to deform under a constant load over a long period.PET has excellent resistance to creep, meaning the geogrid won't "stretch out" over 50 or 100 years, keeping the structure stable.
Interlocking Mechanism: The grid structure allows soil and aggregate particles to lock into the apertures (holes).This "confines" the soil, preventing it from moving laterally under pressure.
High Tensile Strength at Low Strain: It provides high strength (up to 1000kN/m in custom designs) while maintaining low elongation, usually between 8-10% and 9-15%.
Biological & Chemical Resistance: PET is resistant to naturally occurring acids and alkalis in soil, as well as biological degradation from bacteria and fungi.
Attachment Download
Application Case
Application
Primary Applications
PET Geogrids are used wherever soil needs "muscle" to stay in place:
Reinforced Steep Slopes: Allows for the construction of slopes at much steeper angles than the natural "angle of repose" of the soil, saving land space.
Retaining Walls (MSE Walls): Acts as the primary reinforcement in Mechanically Stabilized Earth walls. The grids are layered within the backfill to hold the wall face in place.
Embankment Reinforcement: Used over soft soils to prevent the embankment from spreading or collapsing under its own weight.
Road & Railway Foundations: Increases the bearing capacity of the subgrade and reduces the thickness of the required aggregate layer.
Address
Production Center: Development Zone, Tai'an City, Shandong, China
Marketing Center: Ichi-no-Machihigashi, Sakai-ku, Sakai City, Osaka, Japan