Fatigue Life Prediction for Hydraulic Support Foundation Based on Grey System Model GM (1, 1) Improved Miner Criterion

被引：0
|
作者：
Wang H. [1 ]
Jing W. [1 ,2 ]
Zhao G. [1 ]
Jin X. [1 ]
机构：
[1] Liaoning Technical University, Fuxin, 123000, Liaoning
[2] Shenyang Agricultural University, Shenyang
来源：
Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University | 2020年 / 54卷 / 01期
关键词：
Fatigue cumulative damage criterion; Fatigue life prediction; Grey system model GM(1,1); Hydraulic support foundation; Miner criterion;
D O I：
10.16183/j.cnki.jsjtu.2020.01.014
中图分类号：
学科分类号：
摘要：
Aiming at the problem that the error existing in traditional fatigue cumulative damage criterion (Miner criterion) for fatigue life prediction is quite larger, in order to improve the prediction precision of fatigue life for solid-filling hydraulic support and to ensure a safe and reliable service process, a grey system model GM (1,1) is used to improve the traditional Miner criterion. Taking ZZC8800/20/38 six-column supporting solid-filling hydraulic support foundation as the object of study, the stress analysis of the base under dangerous conditions was carried out through ANSYS, and the fatigue life prediction of the foundation was carried out with the fatigue test. The results show that compared with the traditional Miner criterion, the prediction precision of the improved Miner criterion increases by 40.32%, which provides an effective method for the fatigue life prediction of the solid-filling hydraulic support, and has a certain reference significance for its security service. © 2020, Shanghai Jiao Tong University Press. All right reserved.
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页码：106 / 110
页数：4
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