Seismic Slope Performance: Comparison of FEM Results to Displacement-Based Methods

摘要: Soil slopes from six types of generic soils (three sands and three clays) were modeled systematically as step-like with the stress-deformation plane-strain finite element method (FEM). The models are assessed at different slope heights (5–20 m for clay 5–40 sand slopes), monochromatic seismic loads frequencies (1, 2, 4, 6 Hz). At yield, peak accelerations displacements computed FEM compared to predictions two displacement-based methods: Californian (Blake TF, Hollingsworth RA, Stewart JP (2002) Recommended procedures implementation DMG special publication 117: Guidelines analyzing mitigating landslide hazards in California. Southern California Earthquake Center, University California, 110p), USGS Jibson (Eng Geol 91:209–18, 2007). For clay, results agreement 4 Hz, while better matches between obtained Hz. displacement-method only because this approach is calibrated materials failure cannot be these it restricted translational slip surfaces show more circular surfaces. comparable, but higher scatter. outputs provide further valuable insight among relations variables.