Geosynthetic Design Parameters: HDPE_geomembrane
Geosynthetic engineering design parameters per AASHTO M288-21, FHWA NHI-07-092, and GRI standards — geotextiles (woven, nonwoven), geogrids (uniaxial, biaxial, triaxial), geomembranes (HDPE, LLDPE, PVC), GCL, geocomposite drains, and erosion control mats with tensile strength, reduction factors, hydraulic properties, and survivability classes
| product type | application class | CBR puncture N min (N) | application | chemical resistance | elongation at break pct min | elongation at break pct typical | expected design life years (years) | notes | reduction factor creep (dimensionless) | reduction factor durability (dimensionless) | reduction factor installation damage (dimensionless) | survivability class | tensile strength kN per m min (kN/m) | tensile strength kN per m typical (kN/m) | test methods | thickness mm typical (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HDPE_geomembrane | barrier#1.5mm | 320 | barrier | Excellent resistance to most acids bases and hydrocarbons; poor resistance to chlorinated solvents | 600 | 800 | 200 | GRI GM13 HDPE smooth 1.5 mm; tensile yield 22 kN/m; break elongation 600 pct min; puncture 320 N min; OIT 100 min standard or 400 min HP-OIT; carbon black 2-3 pct; ESCR 500 hr; standard for landfill bottom liner USEPA Subtitle D | 1 | 1.05 | 1.1 | 1.5mm | 22 | 25 | ASTM D6693 ASTM D4833 ASTM D1004 ASTM D5397 ASTM D4218 ASTM D3895 | 1.5 |
| HDPE_geomembrane | barrier#2.0mm | 480 | barrier | Excellent resistance to most acids bases and hydrocarbons; poor resistance to chlorinated solvents | 600 | 800 | 200 | GRI GM13 HDPE smooth 2.0 mm; yield strength approx 30 kN/m; break elongation 600 pct min; puncture 480 N min; used for landfill caps and high-stress applications | 1 | 1.05 | 1.1 | 2.0mm | 30 | 40 | ASTM D6693 ASTM D4833 ASTM D1004 ASTM D5397 ASTM D4218 ASTM D3895 | 2 |
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