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Rectangular Aperture

TerraGrid® integrally formed biaxial geogrids are composed of high-quality polypropylene resin and carbon black with no inclusion of postconsumer recycled materials. The punched and drawn process produces the following interrelated characteristics.

Rectangular Aperture Specifications
PropertyTest MethodEnglishUnit (Metric Unit)TerraGrid® RX4100TerraGrid® RX1100TerraGrid® RX1200TerraGrid® RX1300TerraGrid® SX1515TerraGrid® SX2020TerraGrid® SX3030
Geometric 1 12
Aperture SizeMeasuredin (mm)1.3 x 1.3 (33 x 33)0.9 x 1.3 (23 x 30)1.0 x 1.3 (25 x 33)1.8 x 2.5 (46 x 64)1.3 x 1.3 (33 x 33)1.3 x 1.3 (33 x 33)1.3 x 1.3 (33 x 33)
Rib DepthMeasuredin (mm)0.03 x 0.03 (0.76 x 0.76)0.04 x 0.03 (1.0 x 0.76)0.06 x 0.05 (1.5 x 1.27)0.05 x 0.05 (1.27 x 1.27)0.04 x 0.04 (1.0 x 1.0)0.05 x 0.045 (1.27 x 1.14)0.09 x 0.06 (2.3 x 1.5)
Aperture ShapeObserved ()Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Square (Square)Square (Square)Square (Square)
Aperture Open AreaMeasured% (%)73 (73)73 (73)73 (73)75 (75)75 (75)75 (75)73 (73)
Rib ShapeObserved ()Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)Rectangular (Rectangular)
Mechanical 2 3 12
Tensile Strength (Ultimate)ASTM D6637lbs/ft (kN/m)880 x 920 (12.8 x 13.5)850 x 1,300 (12.4 x 19.0)1,310 x 1,970 (19.2 x 28.8)1,100 x 1,920 (16.0 x 28.0)1,030 x 1,030 (15.0 x 15.0)1,370 x 1,370 (20.0 x 20.0)2,055 x 2,055 (30.0 x 30.0)
Tensile Load @ 2% StrainASTM D6637lbs/ft (kN/m)270 x 380 ( 4.0 x 5.5)280 x 450 (4.1 x 6.6)410 x 620 (6.0 x 9.0)380 x 650 (5.5 x 9.5)350 x 350 (5.1 x 5.1)480 x 480 (7.0 x 7.0)720 x 720 (10.5 x 10.5)
Tensile Load @ 5% StrainASTM D6637lbs/ft (kN/m)550 x 720 (8.0 x 10.5)580 x 920 (8.5 x 13.4)810 x 1,340 (11.8 x 19.6)720 x 1,200 (10.5 x 17.5)700 x 700 (10.2 x 10.2)960 x 960 (14.0 x 14.0)1,440 x 1,440 (21.0 x 21.0)
Junction Efficiency4 5ASTM D7737% (%)93 (93)93 (93)93 (93)93 (93)93 (93)93 (93)93 (93)
Flexural Rigidity6ASTM D7748mg-cm (mg-cm)250,000 (250,000)250,000 (250,000)750,000 (750,000)450,000 (450,000)250,000 (250,000)750,000 (750,000)2,000,000 (2,000,000)
Aperture Stability7ASTM D7864m-N/deg (m-N/deg)0.28 (0.28)0.32 (0.32)0.65 (0.65)0.58 (0.58)0.31 (0.31)0.50 (0.50)0.75 (0.75)
Durability 1 12
UV Degradation Resistance8 10ASTM D4355% (%)100 (100)100 (100)100 (100)100 (100)100 (100)100 (100)100 (100)
Carbon Black ContentASTM D1603% (%)0.5 (0.5)0.5 (0.5)0.5 (0.5)0.5 (0.5)2.0 (2.0)2.0 (2.0)2.0 (2.0)
Chemical Damage Resistance9 10 12EPA 9090A% (%)100 (100)100 (100)100 (100)100 (100)100 (100)100 (100)100 (100)
Installation Damage Resistance10 11ASTM D5818/D6637 ()SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)SC-95/SW-95/GP-90 (SC-95/SW-95/GP-90)
Standard Packaging 4 5
Widthft (m)12.5 (3.81)12.5 (3.81)12.5 (3.81)12.5 (3.81)12.5 (3.81)12.5 (3.81)12.5 (3.81)
Lengthft (m)328 (100)328 (100)246 (75)164 (50)328 (100)246 (75)164 (50)
Product Data SheetsDownload TerraGrid® RX4100 Apples PDSDownload TerraGrid® RX1100 Apples PDSDownload TerraGrid® RX1200 Apples PDSDownload TerraGrid® RX1300 Apples PDSDownload TerraGrid® SX1515 Apples PDSDownload TerraGrid® SX2020 Apples PDSDownload TerraGrid® SX3030 Apples PDS
  1. All geometric properties are nominal values and may vary.
  2. All mechanical properties are based on the manufacturer's laboratory test results at 21±1°C.
  3. Unless indicated otherwise, values shown are minimum average roll values determined in accordance with ASTM D4759.
  4. Expressed as a comparison of ASTM D7737 strength to ASTM D6637 strength of the same sample.
  5. ASTM D7737 performed at 10% per minute strain rate.
  6. Using specimens 2 ribs wide with ribs transverse to the specimen cut flush with the exterior edges of the ribs in the direction of the specimen.
  7. Resistance to in-plane rotational moment of 20 kg-cm.
  8. 500 hour exposure.
  9. 120 day immersion testing.
  10. Expressed as a percentage of Ultimate Tensile Strength.
  11. Silty Sand (SM), Graded Aggregate Base (GP-GM), and AASHTO NO.57 (GP)
  12. Hanes Geo reserves the right to change this specification at any time. The user is responsible to verify/use/reference the latest Product Data Sheet.