动力稳定作业参数对道床稳定性的影响

doi:10.3969/j.issn.1004-132X.2023.19.005

中国机械工程 ›› 2023, Vol. 34 ›› Issue (19): 2313-2319，2369.DOI: 10.3969/j.issn.1004-132X.2023.19.005

动力稳定作业参数对道床稳定性的影响

赵泽民;王立华;黄洪燚;陈太茂;蒋维

昆明理工大学机电工程学院，昆明，650500

出版日期:2023-10-10 发布日期:2023-11-02
通讯作者: 王立华（通信作者），男，1974年生，教授、博士研究生导师。研究方向为机械动力学、数字化设计与制造。发表论文100余篇。E-mail：kmwanglihua@163.com。
作者简介:赵泽民，男，1996年生，博士研究生。研究方向为机械动力学、动力稳定作业、轨枕-道床耦合特性分析。E-mail：bomen888@163.com。
基金资助:
国家自然科学基金（51765023）

Effects of Dynamic Stabilization Operation Parameters on Ballast Stability

ZHAO Zemin;WANG Lihua;HUANG Hongyi;CHEN Taimao;JIANG Wei

Faculty of Mechanical and Electrical Engineering,Kunming University of Science and Technology,Kunming,650500

Online:2023-10-10 Published:2023-11-02

摘要/Abstract

摘要： 为提高道床稳定性，采用离散元有限元耦合方法建立了动力稳定装置道床耦合模型。采用正交试验法，以动力稳定作业参数为研究对象，道床密实度和下沉量为评价指标，对作业参数进行了显著性与灵敏度分析。搭建了动力稳定装置试验台，验证了仿真模型的合理性。仿真和试验结果显示：动力稳定作业参数对道床稳定性的显著性影响关系为激振力幅值＞激振频率＞垂向下压力；动力稳定装置最优作业参数为激振频率35 Hz、激振力幅值197 kN。

关键词: 动力稳定作业, 正交试验, 道床稳定性, 离散元有限元耦合法

Abstract: To improve ballast stability, the dynamic stabilization unit-ballast coupling models were established using the discrete element-finite element coupling method. The orthogonal test method was used to analyze the significance and sensitivity of the operation parameters with the dynamic stabilization operation parameters as the research factors and the ballast compactness and settlement as the evaluation indexes. The dynamic stabilization unit test rig was built to verify the rationality of the simulation models. The simulation and experimental results show that the significant influences of dynamic stabilization operation parameters on ballasted are as follows: the effects of the amplitude of the excitation force are greater than that of the excitation frequency, and the effects of the excitation frequency are greater than that of the vertical downward pressure. The dynamic stabilization optimal operation parameters are as excitation frequency of 35 Hz and as excitation force amplitude of 197 kN.

Key words: dynamic stabilization operation, orthogonal test, ballast stability, discrete element-finite element coupling method

中图分类号:

U216

赵泽民, 王立华, 黄洪燚, 陈太茂, 蒋维. 动力稳定作业参数对道床稳定性的影响[J]. 中国机械工程, 2023, 34(19): 2313-2319，2369.

ZHAO Zemin, WANG Lihua, HUANG Hongyi, CHEN Taimao, JIANG Wei. Effects of Dynamic Stabilization Operation Parameters on Ballast Stability[J]. China Mechanical Engineering, 2023, 34(19): 2313-2319，2369.

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动力稳定作业参数对道床稳定性的影响

Effects of Dynamic Stabilization Operation Parameters on Ballast Stability

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