A deep excavation in Berlin sand is a benchmark problem for the Cysoil and PH (plastic hardening) soil models in FLAC. The simulation follows the construction sequence: install diaphragm wall, dewater, excavate in four stages and install pre-tensioned anchors at each stage. The properties for the Cysoil and PH models are calibrated to provide a reasonable fit to field measurements for wall deflection.
Keywords:
- deep excavation
- Berlin sand
- Cysoil model
- PH model
- Diaphragm wall
- calibration
- field measurements
- wall deflection
Materials:
- Sand
- Soil
Analyses:
- Fluid Flow
- Static