第３部門④

[23007-12-01] Rigid-Plastic Finite Element Analysis for Residual Bearing Capacity of Spread Foundation Pier after Local Scouring (Proceedings of Symposium on Applied Mechanics)

*Yuki Yamakuri¹, Hidetoshi Nishioka², Moeka Hirano², Yuna Sasaki², Shun-ichi Kobayashi¹ (1. Kanazawa University, 2. Chuo University)

Keywords:Rigid-Plastic Finite Element Method, Scour, Spread Foundation

In recent years, local heavy rain and typhoon disasters have caused an increase in scour damage to bridge foundations. It is important to evaluate the residual bearing capacity of the foundations after scouring for emergency restoration of bridge foundations. In this study, a simple analysis model that considers the contact between the full width of the foundation and the ground is proposed to calculate the ultimate bearing capacity of the ground after local scouring using the Rigid-Plastic Finite Element Method (RPFEM). In addition, the reproduction analysis of a previous model experiment was conducted to verify the proposed model.