Damage analysis of a tunnel under rigid and deformable impactors

HIGHLIGHTS

• What: 2 Numerical Modelling 2.1 Geometry Due to the symmetry of geometry and loading with respect to the middle XZ and YZ planes a quarter of the model, as illustrated in Fig 1, was considered for the simulation to reduce the calculation time. The analysis is comparative, focusing solely on the upper half of the tunnel, as it is expected to experience the main damage. This model has been applied in numerous similar cases to simulate concrete behaviour under blast and impact loading conditions. 4 Results and Discussion This study investigates the impact of using both . . .
  

   

  

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