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Biaxial polypropylene geogrid for road base reinforcement

Publish Time: 2023-09-09     Origin: Site

PP Biaxial Geogrid
The properties of Biaxial Geogrids, made in Polypropylene (PP) with their square apertures, high tensile strength and optimised
geometry of nodes and ribs make them equal to any other similar material. The reinforcing action of PP Biaxial Geogrids lies
mainly in confining soil and increasing its shearing resistance by a process of interlocking between the square ribs and the soil.
The load dispersal effect from the interlocking mechanism is highly effective and can reduce sub-base thickness and construction
cost. PP Biaxial Geogrids can be used with any kind of mechanical fill material. Two aperture size ranges are available for

optimum matching with project fill.


Index for PPBG30-30
Test method
Units
MD values
TD values
Polymer
-
-
PP
-
Minimum carbon black
ASTM D4218
%
2
-
Tensile strength @ 2% Strain
ASTM D6637
kN/m
10.5
10.5
Tensile strength @ 5% Strain
ASTM D6637
kN/m
21
21
Ultimate Tensile Strength
ASTM D6637
kN/m
30
30
Strain @ Ultimate Strength
ASTM D6637
%
13
13
Structural Integrity




Junction Efficiency
GRI GG2
%
90
90
Overall Flexural Rigidity
ASTM D1388
mg-cm
3,930,000

Aperture Stability
COE Method
mm-N/deg
1432

Dimension




Aperture Dimensions
-
mm
36
34
Minimum Rib Thickness
ASTM D1777
mm
2.1
1.8
Roll width

m
3.95

Roll length

m
50

Soft foundation reinforcing for highway, railway, Slop protecting projects, landfill side

Function:

1. Improve the bearing capacity of foundation;

2. Preventing cracking and subsiding;

3. Convenient to construct, reducing cost and maintaining expense



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