Introduction
Previous investigations on behavior of buried pipelines
Properties of self-compacting materials
Hardening process
Shear strength
Flowability
Shrinkage process
Finite element modeling
Numerical model
Constitutive model
Zone | \(\gamma\) (kN/m3) | \(E\) (MPa) | \(\nu\) (–) | C′ (kN/m2) | \(\varphi^{\prime}\) (°) | \(\psi\) (°) |
---|---|---|---|---|---|---|
E1 | 18.0 | 30.0 | 0.25 | 1.0 | 30.0 | 1.0 |
E2 | 18.0 | 25.0 | 0.25 | 1.0 | 30.0 | 1.0 |
E3 | 18.0 | 50.0 | 0.25 | 1.0 | 35.0 | 5.0 |
E4 | 18.0 | 80.0 | 0.25 | 1.0 | 40.0 | 10.0 |
Unit weight \(\gamma\) | 18.0 (kN/m3) |
Internal friction angle \(\varphi^{\prime}\) | 35.0° |
Dilatation angle \(\psi\) | 5.0° |
Cohesion \(c^{\prime}\) | 80 (kN/m2) |
Material | \(\gamma\) (kN/m3) | \(E\) (MPa) | \(G\) (MPa) | \(\nu\) (–) | D (m) | Thickness (m) |
---|---|---|---|---|---|---|
Concrete | 24.0 | 31,000.0 | 12,900.0 | 0.2 | 0.3 | 0.04 |
PVC-U | 14.0 | 2250.0 | 833.0 | 0.35 | 0.3 | 0.01 |