Geogrid Combigrid 40/40
Description
Plastic geogrid composite geotextiles are composite products, made of plastic geogrid and polyester, geotextiles, designed for soil stabilization and reinforcement applications. Composite geotextiles are made by bonding biaxial geotextiles to nonwoven polyester geotextiles.
Composite Geogrid is a composite of geogrid and geotextile. The first composite form: geogrid is self-adhesive glass fiber geogrid or polyester geogrid, geotextile is polyester filament geotextile; the second composite form: bidirectional plastic geogrid and geotextile composite. Product characteristics: with high tensile strength, elongation is small, vertical and horizontal deformation of the characteristics of uniform. At the same time, it has high water permeability, excellent filtration and wear resistance. Main functions: pavement, roadbed strengthening, filter, drainage, protection, isolation.
Specification
BI-AXIAL GEOGRID | MD | XD | ||
Carbon Black Content | ASTM D 4218 | % | 2.0 | |
Ultimate Tensile Strength{1} | ASTM D 6637 | lbs/ft(kN/m) | 1645(24.0) | 1645(24.0) |
Tensile Strength at 2% strain{1} | ASTM D 6637 | lbs/ft(kN/m) | 720(10.5) | 720(10.5) |
Tensile Strength at 5% strain{1} | ASTM D 6637 | lbs/ft(kN/m) | 1343(19.6) | 1343(19.6) |
Junction Efficiency{2}{3} | GRI-GC2 | % | >95 | >95 |
Flexural Rigidity{1} | ASTM D 7748 | mg-cm | 1000000 | |
Aperture Stability{2}{4} | US.COE | m-N/deg | 0.65 | |
Minimum Rib Thickness | Callipered | inch(mm) | 0.07(1.7) | 0.05(1.3) |
Aperture Size{2}{5} | Nominal | inch(mm) | 1.33(34.0) | 1.22(31.0) |
GEOTEXTILE | ||||
Raw Material | Polyester, Continuous filament, needle punched | |||
Ultimate Tensile Strength{1} | ASTM D 4595 | lbs/ft(kN/m) | 781(11.4) | 781(11.4) |
Grab Strength{1} | ASTM D 4632 | lbs(kN) | 128(0.57) | |
Trapezoidal Tear{1} | ASTM D 4533 | lbs(kN) | 56(0.25) | |
Elongation at Ultimate{2} | ASTM D 4595 | % | 60 | 60 |
CBR Burst Strength{1} | ASTM D 6241 | lbs(kN) | 540(2.4) | |
Permeability | ASTM D 4491 | cm/sec | 0.41 | |
Apparent Opening Size O9S | ASTM D 4751 | mm | 0.12 | |
Mass Per Unit Area{2} | ASTM D 5261 | oz/yd2(g/m2) | 6.0(200) | |
TYPICAL ROLL DIMENSIONS | ||||
Roll Width | ft(m) | 12.79(3.9) | ||
Roll Length{6} | ft(m) | 164.04(50.0) | ||
Application
Plastic geogrid reinforced roadbed, particle fillers and grids interlocked together to form a stable plane, prevent packaging settlement, can withstand a certain impact load, vertical load can be dispersed, to prevent road cracks; Can reduce the consumption of road materials; speed up construction. Plastic geogrid has high strength, small creep, strong adaptability to all kinds of environmental soil, it can fully meet the use of high-grade highway retaining wall. It can effectively improve the locking bite of the bearing surface, greatly improve the bearing capacity of the foundation, effectively restrain the lateral displacement of the soil and improve the stability of the foundation. Compared with the traditional grille, the grille has the advantages of high strength, strong bearing capacity, corrosion resistance, aging resistance, large friction coefficient, even holes, easy construction and long service life. It is more suitable for deep-sea operation and dike reinforcement, and fundamentally solves the technical problems of low strength, poor corrosion resistance and short service life caused by long-term seawater erosion of materials such as Gabion.
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