IS 17483 (Part 1 - 2): 2020
Textiles - Geocells
1. Summary about Geocells
Geocells are three-dimensional cellular confinement systems made from polymeric materials. They are used for soil stabilization, slope protection, load support, and erosion control by confining infill material within interconnected cells.
2. Why BIS Certificate is Mandatory for Geocells
BIS certification is mandatory because geocells are used in load-bearing and erosion control applications. Poor-quality geocells can deform, rupture, or fail under stress.
3. What is BIS Certified for Geocells
BIS certification verifies compliance with Indian Standards covering material properties, cell weld strength, tensile strength, creep resistance, and durability.
Tests required for Geocells
| Title | Mandatory/Optional |
|---|---|
| MATERIALS | Optional |
| Construction | Required |
| Dimensions (depth and Weld Spacing) | Required |
| h/Deq ratio Geocell Pocket Size | Required |
| Texturing | Required |
| Perforations | Required |
| Seam Weld | Required |
| Dimensional stability | Required |
Requirements of Geocells for Load Bearing Application
| Title | Mandatory/Optional |
|---|---|
| Density | Required |
| Environmental stress crack resistance – Notched constant tensile load (ESCR - NCTL), 400 h, | Optional |
| Environmental stress crack resistance (ESCR), 5000 h | Optional |
| Carbon black content | Optional |
| Post texturing strip/cell wall thickness at a pressure of 2 ± 0.01 kPa | Required |
| Seam peel-strength per 25 mm of cell depth | Required |
| Seam weld hang strength for 100 mm of seam weld under constant dead weight of 72.5 kg for 7 days at 54 ± 2 °C | Optional |
| Resistance to oxidation, Retained tensile strength | Optional |
| Retention of breaking strength after UV exposure of 500 h | Optional |
| Friction efficiency | Optional |
| Standard oxidative induction time | Optional |
| High pressure oxidative induction time | Optional |
4. Benefits of BIS Certification for Geocells
- Ensures reliable soil confinement and load support
- Mandatory for road, slope, and infrastructure projects
- Improves durability under traffic and environmental loads
- Reduces erosion and ground failure risk
- Builds confidence among engineers and authorities