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SS geogrids & SS Geocomposites

Tensar SS Geogrid and SSG Geocomposite Specifications

Tensar SS geogrids combine major cost savings with considerable performance benefits in granular capping and sub-base layers. For more general information on SS geogrids please see our Ground Stabilisation page.

Tensar SS Geogrid and SSG Geocomposite Specifications

Product Description
Biaxially oriented integrally extruded geogrid with rigid junctions and stiff ribs

Tensar geogrid - typical dimensions (mm)
AL
AT
WLR
WTR
tJ
tLR
tTR
SS20
39
39
2.2
2.4
4.1
1.1
0.8
SS30
39
39
2.3
2.8
5.0
2.2
1.3
SS40
33
33
2.2
2.5
5.8
2.2
1.4
SS2
28
40
3.0
3.0
3.8
1.2
0.9
SSLA20
65
65
4.0
4.0
4.4
0.8
0.8
SSLA30
65
65
4.0
4.0
7.0
1.7
1.5
Tensar geogrid - physical chracteristics
Minimum carbon % black content (2)
Unit weight (Kg/m2)
Roll length
(m)
Roll width
(m)
Polymor(1)
(m)
SS20
2
0.22
75
4.0 + 3.8
PP
SS30
2
0.33
50
4.0 + 3.8
PP
SS40
2
0.53
30
4.0 + 3.8
PP
SS2
2
0.29
50
4.0
PP
SSLA20
2
0.22
50
3.8
PP
SSLA30
2
0.33
50
3.8
PP

1. PP denotes Polypropylene.
2. Determined in accordance with BS 2782:Part 4:Method 452B:1993.

The typical strength of the nodes between the longitudinal and transverse ribs, as determined by the Geosynthetics Research Institute, Drexel University, USA, Test Method GG2-87, shall be >95% of the Quality Control Strength in both longitudinal and transverse directions.

Tensar SS-G & SSLA-G geocomposite properties
All of these Tensar biaxial geogrids (except SS2) are also available as a geocomposite. The composite comprises the geogrid heat bonded to a non-woven geotextile separator. The properties of the geotextile are:

Puncture resistance, CBR (N) (3)
Effective opening size (µm) (4)
Permeability (m/s) (5)
Unit weight (kg/m2) (6)
> 1500
125
0.135
0.16

3. Determined in accordance with BS EN ISO 12236:1996.
4. Mean value of O90 determined in accordance with wet sieving test to BS EN ISO 12956:1999.
5. Mean value expressed as velocity index VIH50 determined in accordance with BS EN ISO 11058:1999.
6. Mean value determined in accordance with BS EN 965:1995.

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