期刊论文

Analytical algorithm for completed state of suspension bridge based on rigid supported continuous beam method

中文

长安大学学报(自然科学版)

1671-8879

2024

44

1

58-67

10.19721/j.cnki.1671-8879.2024.01.006

51878073:国家自然科学基金 CX20190649:湖南省研究生科研创新项目

本校为第一机构

为解决悬索桥合理成桥状态平衡态计算闭合问题,系统提出成桥状态的解析算法。首先,根据余能定理推导基于刚性支承连续梁成桥状态目标函数,考虑索塔压缩变形,基于悬链线理论建立缆索体系非线性方程组;然后,考虑加劲梁无应力曲率,根据...展开更多 为解决悬索桥合理成桥状态平衡态计算闭合问题,系统提出成桥状态的解析算法。首先,根据余能定理推导基于刚性支承连续梁成桥状态目标函数,考虑索塔压缩变形,基于悬链线理论建立缆索体系非线性方程组;然后,考虑加劲梁无应力曲率,根据加劲梁弯曲变形微分方程组,构建多节点力作用下的加劲梁位形计算非线性方程组;进而,根据成桥状态下刚性支承连续梁位形,设...

To solve the problem of calculating and closing the equilibrium state of suspension bridge,an analytical algorithm of completed state of suspension bridge was proposed.First of all,according to the complementary energy theorem,the state objective function of the rigid s...MORE To solve the problem of calculating and closing the equilibrium state of suspension bridge,an analytical algorithm of completed state of suspension bridge was proposed.First of all,according to the complementary energy theorem,the state objective function of the rigid supported continuous beam was derived and the compres...