Study on calculation method about self-protection and self-coordination anchored pile structural system

Abstract:

This study investigates the performance improvement of traditional anchored pile retaining walls equipped with novel anchor cable self-protection devices under seismic and complex geological conditions. A two-stage mechanical model was established and analyzed using finite element method coupled with Matlab program for numerical simulation，and the mechanical characteristics are systermatically analyzed. The results demonstrate that the self-protection device can generate controlled plastic deformation under overload conditions， effectively preventing brittle failure of anchor cables while endowing the structure with self-adaptive adjustment capability. Numerical calculation reveals that the device dissipates energy through plastic deformation， significantly reducing peak internal forces and improving overall stress distribution， thereby introducing dynamic “vitality” to conventional retaining structures. These findings provide theoretical foundations for enhancing the safety of retaining structures， though further research is required regarding device parameter optimization and long-term performance evaluation.