Simulation analysis and experimental research on T-joint welding of corrugated steel web girders

Wei JI; Peng ZHANG

doi:10.11990/jheu.202201024

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Simulation analysis and experimental research on T-joint welding of corrugated steel web girders

更新时间：2025-09-01

- Simulation analysis and experimental research on T-joint welding of corrugated steel web girders
- Journal of Harbin Engineering University Vol. 45, Issue 4, Pages: 691-698(2024)
- 作者机构：
  
  1.湖南大学土木工程学院, 湖南长沙 410082
  2.兰州交通大学土木工程学院, 甘肃兰州 730070
- 作者简介：
- 基金信息：
- DOI：10.11990/jheu.202201024
  CLC： TG404
- Received：10 January 2022，
  
  Online First：31 January 2024，
  
  Published：05 April 2024
- 稿件说明：
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Wei JI, Peng ZHANG. Simulation analysis and experimental research on T-joint welding of corrugated steel web girders[J]. Journal of Harbin Engineering University, 2024, 45(4): 691-698.
DOI：

Wei JI, Peng ZHANG. Simulation analysis and experimental research on T-joint welding of corrugated steel web girders[J]. Journal of Harbin Engineering University, 2024, 45(4): 691-698. DOI： 10.11990/jheu.202201024.

摘要

为了解决波形钢腹板梁焊接温度场和残余应力分布尚不明确的问题

本文基于Simufact Welding软件建立三维有限元模型

对其T形接头的焊接温度场和残余应力进行了预测

并对模拟结果进行了试验验证。波形钢腹板梁的焊接温度场分布与熔池中心距离有关

距离熔池中心越近

温度梯度越大; 焊接残余应力以纵向残余拉应力为主

而横向残余应力的应力水平相对较低

拉压应力共存; 焊接速度和底板厚度的改变只会影响残余应力的峰值大小

不会影响残余应力的分布规律。结果表明: 数值模拟结果和试验实测值吻合良好

数值模拟可靠。

Abstract

To study the distribution of the welding temperature field and residual stress of corrugated steel web girders

a 3D finite element model is constructed using Simufact Welding software. The welding temperature field and residual stress of the model's T-shaped joint are predicted

and the simulation results are verified by experiments. The distribution of the welding temperature field of the corrugated steel web beam is related to the center distance of the molten pool

and the closer the center of the molten pool

the greater the temperature gradient. The longitudinal residual tensile stress primarily dominates the welding residual stress. The horizontal residual stress is relatively low

showing a blend of tensile and compressive stresses. Changes in welding speed and base plate thickness do not affect the distribution pattern of residual stress but only the peak value of stress.The numerical simulation results align well with the experimental data

proving the reliability of the numerical simulation.

关键词

Keywords

references

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