Geosynthetics December 2019/January 2020 - 87

GEOGRIDS
Tensile Strength/[Elongation]
ASTM D 6637 [2] kN/m (lb/ft)/%

MD

XD

MD

XD

MD

XD

Creep Limited
Strength-MD [3]
ASTM D 5262 kN/m (lb/ft)

LTDS GRI GG4-MD [4]
kN/m (lb/ft) (in sand)

Manufacturer's
Suggested
Applications [5]

PET

N/A

320 (9.44)

34 (1.34)

34 (1.34)

24 (1,645)

24 (1,645)

30 (2,055)

30 (2,055)

22.1 (1,511)

19.7 (1,348)

B, SI, W, E, S

Secugrid 40/40 Q6

Laid and welded

PET

N/A

360 (10.62)

34 (1.34)

33 (1.30)

32 (2,195)

32 (2,195)

40 (2,740)

40 (2,740)

29.4 (2,015)

26.1 (1,793)

B, SI, W, E, S

Secugrid 60/60 Q6

Laid and welded

PET

N/A

620 (18.29)

32 (1.26)

31 (1.22)

48 (3,289)

48 (3,289)

60 (4,111)

60 (4,111)

44.1 (3,023)

39.2 (2,689)

B, SI, W, E, S

Secugrid 80/80 Q6

Laid and welded

PET

N/A

675 (19.91)

30 (1.18)

30 (1.18)

64 (4,385)

64 (4,385)

80 (5,482)

80 (5,482)

58.8 (4,031)

52.1 (3,567)

B, SI, W, E, S

Secugrid 120/120 Q6

Laid and welded

PET

N/A

830 (24.48)

28 (1.10)

28 (1.10)

96 (6,578)

96 (6,578)

120 (8,222)

120 (8,222)

88.2 (6,046)

78.5 (5,379)

B, SI, W, E, S

Secugrid 20/20 Q1

Laid and welded

PP

N/A

155 (4.57)

33 (1.30)

33 (1.30)

16 (1,096)

16 (1,096)

20 (1,370)

20 (1,370)

N/A

N/A

B, SI

Secugrid 30/30 Q1

Laid and welded

PP

N/A

200 (5.90)

32 (1.26)

32 (1.26)

24 (1,645)

24 (1,645)

30 (2,055)

30 (2,055)

N/A

N/A

B, SI

Secugrid 40/40 Q1

Laid and welded

PP

N/A

240 (7.08)

31 (1.22)

31 (1.22)

32 (2,193)

32 (2,193)

40 (2,740)

40 (2,740)

N/A

N/A

B, SI

Secugrid 60/60 Q1

Laid and welded

PP

N/A

360 (10.62)

31 (1.22)

31 (1.22)

48 (3289)

48 (3289)

60 (4,110)

60 (4,110)

N/A

N/A

B, SI

Secugrid 80/80 Q1

Laid and welded

PP

N/A

440 (12.98)

31 (1.22)

30 (1.18)

50 (3,426)

50 (3,426)

80 (5,482)

80 (5,482)

N/A

N/A

B, SI

Secugrid 40/20 R6

Laid and welded

PET

N/A

285 (8.41)

73 (2.87)

31 (1.22)

28 (1,919)

N/A

40 (2,740)

20 (1,370)

29.4 (2,015)

26.1 (1,793)

W, E, S

Secugrid 80/20 R6

Laid and welded

PET

N/A

380 (11.21)

73 (2.87)

30 (1.18)

56 (3,837)

N/A

80 (5,482)

20 (1,370)

58.8 (4,031)

52.1 (3,567)

W, E, S

Secugrid 120/40 R6

Laid and welded

PET

N/A

580 (17.11)

71 (2.80)

28 (2.80)

84 (5,756)

N/A

120 (8,222)

40 (2,740)

88.2 (6,046)

78.5 (5,379)

W, E, S

Secugrid 150/40 R6

Laid and welded

PET

N/A

680 (20.06)

71 (2.80)

27 (1.06)

110 (7,537)

N/A

150 (10,278)

40 (2,740)

110.3 (7,557)

98.2 (6,726)

W, E, S

Secugrid 200/40 R6

Laid and welded

PET

N/A

810 (23.89)

71 (2.80)

25 (0.98)

140 (9,593)

N/A

200 (13,704)

40 (2,740)

147.1 (10,076)

130.9 (8,971)

W, E, S

Secugrid 400/40 R6

Laid and welded

PET

N/A

1420 (41.89)

70 (2.76)

14 (0.55)

280 (19,186)

N/A

400 (27,408)

40 (2,740)

294.1 (20,153)

261.7 (17,935)

W, E, S

Combigrid 20/20 Q1
GRK 4 C

Laid and welded/
nonwoven

PP

N/A

155 (4.57)

33 (1.30)

33 (1.30)

16 (1,096)

16 (1,096)

20 (1,370)

20 (1,370)

N/A

N/A

B, SI

Combigrid 30/30 Q1
GRK 4 C

Laid and welded/
nonwoven

PP

N/A

200 (5.90)

32 (1.34)

32 (1.34)

24 (1,645)

24 (1,645)

30 (2,055)

30 (2,055)

N/A

N/A

B, SI

Combigrid 40/40 Q1
GRK 4 C

Laid and welded/
nonwoven

PP

N/A

240 (7.08)

31 (1.22)

31 (1.22)

32 (2,193)

32 (2,193)

40 (2,740)

40 (2,740)

N/A

N/A

B, SI

Combigrid 60/60 Q1
GRK 4 C

Laid and welded/
nonwoven

PP

N/A

360 (10.62)

31 (1.22)

31 (1.22)

48 (3289)

48 (3289)

60 (4,110)

60 (4,110)

N/A

N/A

B, SI

Product Name

Coating Type [1]

Laid and welded

Polymer Type [1]

Secugrid 30/30 Q6

Manufacturing Process

Mass/Unit Area
ASTM D 5261 g/m2
(oz/yd2)

Dimensional Properties [2]
Aperture Size
mm (in)

Strength @ 5% Strain

Ultimate Strength/%
(Tult)

NAUE GmbH & Co. KG l www.naue.com

[1]	
	
	
	
	
	
[2]	
	
[3]	
	

PET	 = Polyester, HDPE = High density polyethylene
PVC	 = Polyvinyl chloride
EP	 = Elastomeric Polymer
PVA	 = Polyvinyl alcohol
FG	 = Fiberglass
PP	 = Polypropylene
MD	 = Machine direction
XD	 = Cross-machine direction
Test per ASTM D 5262, for a minimum of 10,000 hours
and extrapolate to a 75-year time period.

[4]	 LTDS =

	RFCR = Reduction factor for creep
	RFID = Reduction factor for installation damage
	RFD = Reduction factor for durability

[5]	
	
	
	
	
	
	

NOTE: this equation does not include other reduction factors
that may apply to design. Reduction factors are site specific
and should be reviewed on a per project basis. Contact the
manufacturer for recommendations.

NP	 = Not provided by manufacturer
NA	 = Not applicable, per manufacturer
* = Not for sale in U.S.

	

Tult
RFCR x RFID x RFD

A/O	
B	
E	
PR	
S	
SI	
W	

= Asphalt overlay
= Base reinforcement
= Embankments
= Pavement reinforcement
= Slopes
= Subgrade improvement
= Walls

Companies were
requested to provide
minimum average
roll values (MARV).
All claims are the
responsibility of the
manufacturer.

« Geosynthetics recommends you contact the manufacturers before making any specifying/purchasing decisions »
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Geosynthetics December 2019/January 2020

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