【摘要】 在多座实桥加固基础上,提出双曲拱桥加固新方法—异型截面拱加固法。首先对加固思路、加固方法和力学机理进行详细阐述,在此基础上,利用有限元数值分析工具ANSYS和数学统计方法,对该加固方法做进一步优化设计和比较分析,确定最优方案。最后,通过实桥加固与优化详细介绍了异型截面拱加固法的运用过程。更多还原

【Abstract】 With the engineering experience accumulation on several actual bridges reinforcement,a new strengthening scheme-the special-shaped section arch-strengthening scheme has been proposed in this research.The strengthening process was illustrated in detail and strengthening mechanism and methodology was emphasized.Furthermore,optimum design and comparing analysis were carried out with the help of FEM numerical computation software ANSYS and mathematical statistical method in order to select the optimal design project.Finally,the proposed strengthening scheme has been applied in one real bridge to demonstrate the practical application procedure and reasonable results has been achieved.更多还原