Fatigue Load Spectrum Research of the Grid Structure Under Suspension Crane Loading

QIU Bin; LEI Honggang; SHEN Yu; JI Xuanzhe

doi:10.13204/j.gyjzG21102408

Volume 53 Issue 12

Dec. 2023

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Li Yongjing, Zhang Jing, Zhang Xu. THE VIBRATION CONTROL EFFECT ANALYSIS OF TORSION COUPLING RESPONSE OF ECCENTRIC STRUCTURES WITH THE VISCOUS DAMPERS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(5): 68-72. doi: 10.13204/j.gyjz201305015

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QIU Bin, LEI Honggang, SHEN Yu, JI Xuanzhe. Fatigue Load Spectrum Research of the Grid Structure Under Suspension Crane Loading[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(12): 143-151. doi: 10.13204/j.gyjzG21102408

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Fatigue Load Spectrum Research of the Grid Structure Under Suspension Crane Loading

doi: 10.13204/j.gyjzG21102408

College of Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Received Date: 2021-10-24
Available Online: 2024-02-28

Abstract

Abstract

The fatigue problem of the grid structure under the load of suspended cranes has attracted much attention in the industrial building field. In order to study the fatigue load characteristics of the grid structure under the action of suspension crane loads, the stress monitoring of the members in grid structure was conducted by using dynamic strain sensors, and the sample load data was obtained. Through data comparison, the web member with severe fatigue damage was selected as the research object, and the fatigue load spectrum of the grid structure was compiled by combining the data processing, rain-flow counting and mathematical statistics. Furthermore, according to the statistical results of the suspension crane loads and frequency, the log-normal probability distribution model of the lifting weights was established by fitting, and a simplified analysis method of fatigue stress frequency spectrum of the grid structure was proposed, the fatigue stress frequency spectrum of the grid structure under different load distribution parameters was obtained. These achievements will provide references for fatigue life study of the grid structure with suspended cranes.
- grid structure,
- suspension crane,
- field monitoring,
- rain-flow counting,
- fatigue load spectrum

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References(32)

References

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