BIS-ISI-CERTIFICATE
IS 16391 : 2015
Textiles - Geotextiles used in sub-grade separation in pavement structures
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1. Summary about Geotextiles Used in Sub-grade Separation in Pavement Structures
These geotextiles are used to separate sub-grade soil from aggregate layers in pavement structures. They prevent intermixing of materials, improve load distribution, and extend pavement life.
2. Why BIS Certificate is Mandatory for Geotextiles Used in Sub-grade Separation
BIS certification is mandatory to ensure tensile strength, filtration properties, and durability required for long-term pavement performance.
3. What is BIS Certified for Geotextiles Used in Sub-grade Separation
BIS certification verifies compliance with Indian Standards covering tensile strength, elongation, permeability, and puncture resistance.
Tests required for Geotextiles Used in Sub-grade Separation in Pavement Structures
| Title | Mandatory/Optional |
|---|---|
| Materials and construction requirements | Optional |
Requirements of Geotextiles for Separation Applications
| Title | Mandatory/Optional |
|---|---|
| Index properties | Required |
| Type of geotextile | Required |
| Roll Length | Required |
| Roll Width | Required |
| Grab Strength | Required |
| Sewn Seam Strength | Required |
| Trapezoidal Tear Strength | Required |
| CBR Puncture Strength | Required |
| Burst Strength | Required |
Structural Integrity Properties
| Title | Mandatory/Optional |
|---|---|
| Permittivity | Optional |
| Apparent Opening Size | Optional |
Durability properties
| Title | Mandatory/Optional |
|---|---|
| Resistance to installation damage | Optional |
| Ultraviolet Stability at 500h, Retained strength | Optional |
| Packing | Required |
4. Benefits of BIS Certification for Geotextiles Used in Sub-grade Separation
- Ensures improved pavement life
- Mandatory for road and highway projects
- Prevents subgrade–aggregate contamination
- Improves load-bearing performance
- Enhances acceptance by road authorities
Disclaimer.
The contents of this update are provided for general informational purposes only and do not constitute legal advice. Readers are encouraged to consult with professional legal counsel before taking action based on this information.
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