Geosynthetics December 2019/January 2020 - 90

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

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]

Polymeric

NP

6.4 (0.3)

2.5 (0.1)

7 (500)

4 (300)

29 (2,000)

29 (2,000)

17 (1,149)

13 (871)

E, W, S, SI

PP

NA

NA

36.0 (1.4)

38.0 (1.5)

7 (479)

7 (479)

15 (1,027)

15 (1,027)

NA

NA

SI, B

SB11

Integrally formed

PP

NA

NA

26.0 (1.0)

35.0 (1.4)

9 (580)

13 (920)

12 (850)

19 (1,300)

NA

NA

SI, B

SB12

Integrally formed

PP

NA

NA

26.0 (1.0)

35.0 (1.4)

12 (810)

10 (1340)

19 (1,310)

29 (1,970)

NA

NA

SI, B

SB30

Integrally formed

PP

NA

NA

36.0 (1.4)

34.0 (1.3)

20 (1370)

20 (1370)

30 (2,055)

30 (2,055)

NA

NA

SI, B

SG150

Precision knitted

PET

Polymeric

NP

25.4 (1.0)

24.1 (1.0)

10 (650)

4 (300)

27 (1,875)

27 (1,875)

17 (1,136)

13 (861)

E, W, S, SI

SG200

Precision knitted

PET

Polymeric

NP

18.3 (0.7)

16.5 (0.7)

21 (1,400)

NA

53 (3,600)

NA

34 (2,323)

28 (1,919)

E, W, S

14.0 (0.6)

27 (1,850)

NA

73 (5,000)

NA

47 (3,226)

39 (2,666)

E, W, S

Ultimate Strength/%
(Tult)

XD

MD

Strength @ 5% Strain

MD

XD

Aperture Size
mm (in)

MD

Coating Type [1]

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

PET

Integrally formed

Polymer Type [1]

Precision knitted

SB10

Manufacturing Process

Microgrid

Product Name

XD

Dimensional Properties [2]

Strata Systems Inc. l www.geogrid.com

SG350

Precision knitted

PET

Polymeric

NP

21.6, 15.2
(0.9, 0.6)

SG500

Precision knitted

PET

Polymeric

NP

62.2 (2.5)

25.4 (1.0)

29 (1,950)

NA

93 (6,400)

NA

60 (4,129)

50 (3,412)

E, W, S

24.1 (1.0)

36 (2,460)

NA

119 (8,150)

NA

77 (5,258)

63 (4,346)

E, W, S

SG550

Precision knitted

PET

Polymeric

NP

21.6, 8.9
(0.9, 0.4)

SG650

Precision knitted

PET

Polymeric

NP

65.0 (2.6)

62.5 (2.5)

39 (2,700)

NA

146 (10,000)

NA

94 (6,452)

78 (5,332)

E, W, S

SG700

Precision knitted

PET

Polymeric

NP

62.2 (2.5)

24.1 (1.0)

43 (2,937)

NA

172 (11,800)

NA

111 (7,613)

92 (6,292)

E, W, S

SG1200

Precision knitted

PET

Polymeric

NP

63.3 (2.5)

24.5 (1.0)

50 (3,426)

NA

200 (13,704)

NA

129 (8,841)

107 (7,307)

E, W, S

SG1300

Precision knitted

PET

Polymeric

NP

63.0 (2.5)

23.5 (0.9)

75 (5,139)

NA

300 (20,556)

NA

194 (13,262)

160 (10,960)

E, W, S

SG1400

Precision knitted

PET

Polymeric

NP

42.0, 12.0,
12.0 (1.7, 0.5,
0.5)

16.0 (0.6)

100 (6,852)

NA

400 (27,408)

NA

258 (17,683)

213 (14,614)

E, W, S

SGB 30

Precision knitted

PET

Polymeric

NP

NP

NP

14 (926)

NA

30 (2,056)

30 (2,056)

21 (1,419)

17 (1,179)

E, W, S, SI, B

SGB 80

Precision knitted

PET

Polymeric

NP

NP

NP

36 (2,467)

NA

80 (5,482)

80 (5,482)

55 (3,783)

46 (3,132)

E, W, S, SI, B

SGB 100

Precision knitted

PET

Polymeric

NP

NP

NP

45 (3,084)

NA

100 (6,853)

100 (6,852)

69 (4,729)

57 (3,913)

E, W, S, SI, B

SGU 40

Precision knitted

PET

Polymeric

NP

23.2 (0.9)

21.3 (0.9)

18 (1,234)

NA

40 (2,741)

NA

28 (1,892)

23 (1,570)

E, W, S

SGU 60

Precision knitted

PET

Polymeric

NP

17.9 (0.7)

21.1 (0.9)

27 (1,851)

NA

60 (4,112)

NA

41 (2,837)

34 (2,351)

E, W, S

SGU 80

Precision knitted

PET

Polymeric

NP

21.1 (0.8)

21.2 (0.9)

36 (2,467)

NA

80 (5,482)

NA

55 (3,783)

46 (3,132)

E, W, S

SGU 100

Precision knitted

PET

Polymeric

NP

62.2 (2.5)

28.4 (1.1)

45 (3,084)

NA

100 (6,853)

NA

69 (4,729)

57 (3,913)

E, W, S

SGU 120

Precision knitted

PET

Polymeric

NP

22.2 (0.9)

25.8 (1.0)

54 (3,701)

NA

120 (8,223)

NA

83 (5,674)

69 (4,694)

E, W, S

SGU 150

Precision knitted

PET

Polymeric

NP

62.6 (2.5)

25.1 (1.0)

68 (4,626)

NA

150 (10,279)

NA

104 (7,093)

86 (5,866)

E, W, S

SGU 180

Precision knitted

PET

Polymeric

NP

53.4 (2.1)

26.3 (1.0)

81 (5,551)

NA

180 (12,334)

NA

124 (8,511)

103 (7,038)

E, W, S

SGU 200

Precision knitted

PET

Polymeric

NP

63.3 (2.5)

24.5 (1.0)

90 (6,168)

NA

200 (13,704)

NA

138 (9,457)

114 (7,819)

E, W, S

SGU 300

Precision knitted

PET

Polymeric

NP

63.0 (2.5)

23.5 (0.9)

135 (9,251)

NA

300 (20,556)

NA

207 (14,178)

171 (11,718)

E, W, S

NP

42.0, 12.0,
12.0 (1.7, 0.5,
0.5)

16.0 (0.6)

180 (12,335)

NA

400 (27,408)

NA

276 (18,906)

228 (15,630)

E, W, S

SGU 400

[1]	
	
	
	
	
	
[2]	
	
[3]	
	

Precision knitted

PET

Polymeric

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 »

90

Geosynthetics | December 2019 January 2020
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Geosynthetics December 2019/January 2020

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