赵峰,高志鹰,张小安,于淑霞

• 1:包头职业技术学院
• 2:内蒙古工业大学
• 3:兰州交通大学

摘要(Abstract)：

弹性垫层在轨道系统减振和降噪领域应用广泛，为了优化垫层力学性能，提出一种新型凸台阵列网孔式垫板结构，基于弹性力学和结构动力学理论，对比研究凸台阵列网孔式结构、网孔式结构、凸台阵列型结构、沟槽型结构四类不同结构形式轨下弹性垫板的静刚度特性和阻尼特性，并分析凸台阵列网孔式结构几何参数的变化对垫板静刚度、阻尼特性的影响。研究发现与其他结构相比，凸台阵列网孔式垫板结构的静刚度值和最大应力值较小，阻尼比较大，对自由振动衰减能力较强；随着网孔外孔径的增大、内孔径的减小、凸台承载面宽度的减小静刚度值随之减小，最大应力值逐渐增大；垫板阻尼比随着网孔外孔径的增大、内孔径的增大、凸台承载面宽度的减小而增大，因此，凸台阵列网孔式轨下弹性垫板结构在提高轨道弹性性能、优化垫板应力情况、增强垫板吸能效果等方面效果明显。

关键词(KeyWords)： 弹性垫板;凸台阵列网孔式结构;刚度特性;阻尼特性

Abstract:

Keywords:

基金项目(Foundation): 内蒙古自治区研究生科研创新项目（KC2025044B）;; 内蒙古自治区教育科学研究“十四五”规划课题资助（NZJGH2025135）

作者(Author): 赵峰,高志鹰,张小安,于淑霞

DOI: 10.19356/j.cnki.1001-3997.2026.10.004

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