The failure models of the pile foundation of the girder flume in the Li River are analyzed, the corresponding functional functions are established, and the reliability index of a single concrete pile is calculated.

• 摘要分析了澧河段梁式渡槽桩基础的破坏模式，建立了相应的功能函数，计算得出混凝土单桩的可靠指标。