Research Article
Parameter Analysis of Wall Thickness of Cured-in-Place Pipe Linings for Semistructured Rehabilitation of Concrete Drainage Pipe
Table 3
Properties of backfill material tested.
| Property | Value |
| Maximum dry density (kg/m3) | 1732 | Modulus of elasticity (MPa) | 43.50 | Peak angle of internal friction (°) | 25.20 | Natural water content | 20.71 | Liquid limit (%) | 22.90 | Plastic limit (%) | 14.70 |
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