现代交通技术2024，Vol.21Issue(3)：40-46,7.
基于蚂蚁算法的连续刚构桥顶推力优化
Optimization of Jacking Force of Continuous Rigid Frame Bridge Based on Ant Algorithm
肖咏健 1李新菊 2杨静 1亓祥宇 1郝建云 1宁晓骏3
作者信息
- 1. 云南省公路科学技术研究院,昆明 650051
- 2. 云南航天工程物探检测股份有限公司,昆明 650217
- 3. 昆明理工大学,昆明 650093
- 折叠
摘要
Abstract
Selecting a large-span high-pier continuous rigid frame bridge as an example,the data of pier-top horizontal dis-placement for 25 years and parameters of optimization equation are obtained by establishing models in Midas Civil,with which the algorithm optimization is evaluated.The program algorithm analyzes the effect of bridge optimization with indicators of con-trolling the maximum tensile stress,the maximum deformation and synergistic performance of the bridge piers.The study results show that the thrust construction has significantly improved the bridge pier deformation,for the control section ben-ding moment is reduced from 13 187.6 kN·m without thrust to 1 198.9 kN·m,and the control section of the maximum ten-sile stress of the rigid-frame bridge with complex pier structure is not necessarily the top or bottom pier section.The method based on ant colony optimization algorithm can effectively reduce the originally designed maximum tensile stress of the bridge piers,which reduces the maximum tensile stress from 2.19 MPa to 1.58 MPa.And the method can effectively control the hor-izontal deformation of top-pier,reducing the maximum tensile stress while reducing the total deformation from 40.17 cm to 39.65 cm.关键词
连续刚构/MATLAB/蚂蚁算法/顶推力优化Key words
continuous rigid frame/MATLAB/ant algorithm/optimization of jacking force分类
交通运输引用本文复制引用
肖咏健,李新菊,杨静,亓祥宇,郝建云,宁晓骏..基于蚂蚁算法的连续刚构桥顶推力优化[J].现代交通技术,2024,21(3):40-46,7.
