PSI - Issue 39

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Abdoullah Namdar / Procedia Structural Integrity 39 (2022) 47–56 Author name / Structural Integrity Procedia 00 (2019) 000–000

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Earthquake of 6.2 magnitude at the Norcia, Amatrice station

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Data using in numerical simulation

-4 -2 Acceleration [m/s 2 ] 0 2 4

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Data using in numerical simulation

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Z - direction

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Data using in numerical simulation

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Time [s] of acceleration occurrences

Fig. 2. The acceleration history (m/s 2 ) for all directions [CESMD].

Figure 3 shows types of the mesh used in the numerical simulation, the figure is from the top view of the embankment and subsoil. The mesh is creating by the ABAQUS software. The mesh for the nonlinear finite element method (NFEM), for embankment, subsoil, and geogrid in the same shape and size were selecting. The same size of the mesh for all model elements supporting load transferring in high accuracy. Figure 4 shows embankment, subsoil reinforced and geogrid are modeling from ABAQUS software. The distance of each geogrid sheet is five meters in the vertical. In addition, the distance of each geogrid element is 2 meters. The geogrid assembled in the horizontal direction only. The statistical model is using to integrate the results of NFEM analysis. The crack impact of seismic stability of the model was studying with the association to the displacement and strain variation in the model. To predict and realize the failure mechanism of the model the statistical model for displacement and strain variation in the model was developed.

Fig. 3. Type of mesh used in the numerical simulation developed from ABAQUS.