The results show that the recommendatory method of the paper can well describe the nonlinear analysis of the pre-stress concrete beam.

• 选择了适合于预应力高强混凝土梁非线性分析的一些基本理论，主要包括混凝土和钢筋的应力应变关系、整体式有限元模型、混凝土的破坏准则。