市政技术2024，Vol.42Issue(1)：60-67,8.DOI:10.19922/j.1009-7767.2024.01.060
曲线分幅共墩悬浇T构梁纵、横桥向不平衡控制方法
The Control Method for Longitudinal & Transverse Unbalance of Curve-split Common Pier Suspended Sast T-structure Beam
摘要
Abstract
Based on the prestressed concrete continuous rigid frame bridge project of the main bridge of a large bridge,the force of the suspended cast T-frame beam is analyzed as well as the influence of tooth block load on the linear shape of the main beam.It is found that under the condition of large cantilever,the smaller weight of the tooth block will produce larger torque on the main beam.The influence of the prestressed anchor tooth block should be consid-ered in the monitoring calculation;The unbalance moment is calculated by the finite element method.According to the principle of equal bending moment,the counterweight scheme of the longitudinal and transverse bridge direction is given,and one of the transverse bridge direction is calculated and analyzed to verify the feasibility and accuracy.关键词
大跨径连续梁/悬浇T构梁/配重/不平衡/齿块/等弯矩/有限元分析Key words
long span continuous beam/cantilevered T-frame beam/counterweight/unbalance/tooth block/equal bending moment/finite element analysis分类
交通运输引用本文复制引用
杨卫涛,刘兆奇,丁建刚,程高..曲线分幅共墩悬浇T构梁纵、横桥向不平衡控制方法[J].市政技术,2024,42(1):60-67,8.基金项目
甘肃省重点研发计划-工业类项目(22YF11GA304) （22YF11GA304）
陕西省地方标准项目(22-59B) （22-59B）
陕西省秦创原交通基础设施融合与智能建造'科学家+工程师'队伍建设项目,陕西省秦创原"科学家+工程师"队伍建设项目(2022KXJ-036) （2022KXJ-036）
