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.

PropertyValue

Maximum dry density (kg/m3)1732
Modulus of elasticity (MPa)43.50
Peak angle of internal friction (°)25.20
Natural water content20.71
Liquid limit (%)22.90
Plastic limit (%)14.70