By combining innovative engineering technology with superior materials, Insituform provides a fully structural pipeline rehabilitation product with about half the wall thickness of conventional CIPP offerings.
iPlus® Composite Design Example*
| Host pipe diameter (in) |
48 |
| Host pipe ovality (%) |
5 |
| External head of water above invert (ft) |
17 |
| Soil depth above invert (ft) |
25 |
| Soil modulus (psi) |
1000 |
| Soil density (lb/ft^3) |
120 |
| ASSHTO live load (lbs) |
16,000 |
| Safety factor |
2 |
| Design method |
ASTM F1216 |
| Design Values |
Standard Insituform® CIPP |
iPlus® Composite |
| Flexural modulus (psi) |
400,000 |
850,000 |
| Flexural strength (psi)** |
4,500 |
4,500 |
| Wall thickness (mm) |
28.5 |
18.5 |
*Data is provided as an example of the possible physical properties of iPlus® Composite. Actual results may vary depending on design and project specifications.
**Minimum flexural strength for iPlus® Composite.