Research Article

An Investigation of Time-Dependent Deformation Characteristics of Soft Dredger Fill

Table 2

Summary of consolidation tests conducted in this study.

TestSoil sampleNo.Thickness (cm)Consolidation time (d)Loading step (kPa)

Oedometer testUndisturbed11.634625–50–100–200–400–800–1600
Undisturbed21.162125–50–100–200–400–800
Undisturbed31.152125–50–100–200–400–800
Undisturbed41.142125–50–100–200–400–800
Undisturbed51.162225–50–100–200–400–800
Undisturbed61.172325–50–100–200–400–800–1600
Remoulded71.342250–100–200–400–800
Remoulded81.344350–100–200–400–800
Remoulded91.346550–100–200–400–800
Remoulded101.3410850–100–200–400–800
Undisturbed111.674650–100–200–400–800
Remoulded121.424425–50–100–200–400–800

Geometric confined consolidation testUndisturbed131.6746Axial: 50–100–200–400–800
Lateral: 30–60–120–240–480
Remoulded141.4244Axial: 25–50–100–200– 400–800
Lateral: 15–30–60–120–240–480

Tests with a preloading of 100 kPa. Tests with a preloading of 25 kPa.