玄武岩纤维复合材料波纹板力学性能及其套衬结构性能分析
作者:
作者单位:

(中铁第五勘察设计院集团有限公司,北京102600 )

作者简介:

吴小波(1982—),男,高级工程师,主要从事隧道与地下工程研究。E-mail:wuxiaobo.wy@crcc.cn

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中图分类号:

U454;TU502+.6

基金项目:

中国国家铁路集团有限公司系统性重大项目(P2022G056)


Mechanical properties of basalt fiber composite corrugated plates and analysis of their lining structure performance
Author:
Affiliation:

(China Railway Fifth Survey and Design Group Co. Ltd., Beijing 102600, China )

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    摘要:

    为了解玄武岩纤维复合材料(BFRP)波纹板各向异性对波纹板套衬性能的影响,开展了BFRP波纹板的多轴向拉伸、弯曲和剪切性能试验研究,并通过有限元模型模拟分析了波纹板波高、波距、壁厚、材料等参数对波纹板套衬在正常使用状态和极端情况下挠度、应力峰值的影响。结果表明:纤维方向对BFRP波纹板的拉伸、弯曲和剪切强度和模量有显著影响,垂直纤维方向的弯曲强度比平行纤维方向的弯曲强度低90%以上,最大变形降低68%;在挠度相近的条件下BFRP波纹板套衬比波纹钢板套衬质量减轻40%~60%,结构安全系数提高1.7~1.9倍,结构的弹性变形能力大大提升。

    Abstract:

    To investigate the impact of the anisotropy of BFRP corrugated plates on the performance of corrugated plate linings, experimental studies on the biaxial tensile, bending, and shear properties of BFRP corrugated plates were conducted. Additionally, a finite element model was used to simulate and analyze the effects of parameters such as wave height, wave spacing, thickness, and material on the deflection and stress peaks of the corrugated plate lining under both normal and extreme conditions. The results show that the fiber orientation significantly influences the tensile, bending, and shear strength and modulus of BFRP corrugated plates. The bending strength perpendicular to the fiber direction is more than 90% lower than the bending strength parallel to the fiber direction, and the deformation capacity is reduced by 68%. Under similar deflection conditions, the BFRP corrugated plate lining is more than 40%-60% lighter than the corrugated steel plate lining, resulting in 1.7-1.9 times increase in structural safety factor and a significant improvement in the elastic deformation capacity of the structure.

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引用本文

吴小波.玄武岩纤维复合材料波纹板力学性能及其套衬结构性能分析[J].河海大学学报(自然科学版),2025,53(1):87-94.(WU Xiaobo. Mechanical properties of basalt fiber composite corrugated plates and analysis of their lining structure performance[J]. Journal of Hohai University (Natural Sciences),2025,53(1):87-94.(in Chinese))

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  • 收稿日期:2024-04-02
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  • 在线发布日期: 2025-01-22
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