Research on Crack Propagation at Fatigue-Critical Locations of Crane Trusses Using ABAQUS-FRANC3D Co-Simulation

ZHAO He; LI Yuxiang; WANG Yueqiang; DONG Chao; GUO Zhongyan; ZHANG Wenyuan

doi:10.3724/j.gyjzG24041012

Volume 56 Issue 6

Jun. 2026

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ZHAO He, LI Yuxiang, WANG Yueqiang, DONG Chao, GUO Zhongyan, ZHANG Wenyuan. Research on Crack Propagation at Fatigue-Critical Locations of Crane Trusses Using ABAQUS-FRANC3D Co-Simulation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(6): 142-151. doi: 10.3724/j.gyjzG24041012

Citation:

ZHAO He, LI Yuxiang, WANG Yueqiang, DONG Chao, GUO Zhongyan, ZHANG Wenyuan. Research on Crack Propagation at Fatigue-Critical Locations of Crane Trusses Using ABAQUS-FRANC3D Co-Simulation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(6): 142-151. doi: 10.3724/j.gyjzG24041012

Citation:

ZHAO He, LI Yuxiang, WANG Yueqiang, DONG Chao, GUO Zhongyan, ZHANG Wenyuan. Research on Crack Propagation at Fatigue-Critical Locations of Crane Trusses Using ABAQUS-FRANC3D Co-Simulation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(6): 142-151. doi: 10.3724/j.gyjzG24041012

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Research on Crack Propagation at Fatigue-Critical Locations of Crane Trusses Using ABAQUS-FRANC3D Co-Simulation

doi: 10.3724/j.gyjzG24041012

1. Capital Engineering & Research Incorporation Limited, Beijing 100176, China;
2. Key Lab of Structural Dynamic Behavior and Control, Ministry of Education, Harbin Institute of Technology, Harbin 150090, China;
3. Key Lab of Smart Prevention and Mitigation of Civil Engineering Disasters, Ministry of Industry and Information Technology, Harbin Institute of Technology, Harbin 150090, China

Received Date: 2024-04-10
Available Online: 2026-07-06

Abstract

Abstract

This study investigates fatigue crack propagation at critical locations of a crane truss under repeated loading. A solid element model of the truss was developed in ABAQUS， and multiple fatigue-critical locations were analyzed in conjunction with FRANC3D crack analysis software. Key parameters， including the geometric dimensions of crack defects， crack propagation area， model mesh size， and Paris' law coefficients， were determined. Fatigue crack propagation simulations and fatigue life predictions were conducted for four critical locations， with analysis of the factors leading to the final crack morphology. Parametric analysis was carried out to examine the influence of crack geometry， crack shape， and initial crack angle on fatigue life.The results showed that as the initial crack size increased， the fatigue life decreased. For thin plate components， the crack shapes were mainly semi-elliptical or long straight. The difference between the two types of crack shapes would not have a significant impact on fatigue life. When the crack angle θ was less than -20°， the fatigue life increased sharply with the increase of the crack angle.
- crane truss,
- numerical simulation,
- stress intensity factor,
- fatigue crack propagation,
- fatigue life

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References(24)

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