预应力纤维增强复合材料筋/索的短长期力学性能研究进展

王研妍; 徐曼; 许庆; 田会文; 曾滨; 许镇

doi:10.3724/j.gyjzG25042503

预应力纤维增强复合材料筋/索的短长期力学性能研究进展

doi: 10.3724/j.gyjzG25042503

王研妍¹,
徐曼^1, ,,
许庆¹,
田会文¹,
曾滨¹,
许镇²

1. 中冶建筑研究总院有限公司, 北京 100088;
2. 北京科技大学未来城市学院城镇化与城市安全学院, 北京 100083

基金项目:

国家重点研发计划（2022YFC3801800）；国家自然科学基金项目（52478322）。

详细信息

作者简介:
王研妍，硕士研究生，主要从事预应力FRP筋/索性能研究。

通讯作者:
徐曼，manman3112899@126.com。

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出版历程
- 收稿日期: 2025-04-25
- 刊出日期: 2025-10-31

Experimental Research on Short-Term and Long-Term Mechanical Properties of Prestressed FRP Tendons/Cables

1. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China;
2. Research Institute of Urbanization and Urban Safety, University of Science and Technology Beijing, Beijing 100083, China

摘要

摘要: 纤维增强复合材料（FRP）是一种高性能复合材料，具有强度高、质量轻、耐腐蚀和抗疲劳性能优异等优点，在预应力结构中具有巨大的应用潜力。然而，FRP是典型的正交各向异性材料，其垂直纤维方向的强度和模量远低于纤维方向，这给FRP筋/索的应用带来了挑战，现有的研究成果尚无法支撑FRP筋/索在预应力结构中的标准化应用。基于近年对于FRP筋/索的试验研究成果和理论分析，主要涵盖FRP筋/索在拉伸、剪切及受压工况下的短期力学性能，以及长期的松弛、蠕变和疲劳性能，总结了FRP筋/索在不同荷载工况下力学性能测试方法、破坏模式、性能特点和其他相关结论，系统分析了纤维类型与含量、筋/索直径与成型工艺、测试方法等不同因素对FRP筋/索短长期力学性能的影响规律，并指明了FRP筋/索未来研究与发展方向，为FRP筋/索研究和应用提供参考。
- 纤维增强复合材料 /
- 筋/索 /
- 拉伸 /
- 剪切 /
- 压缩 /
- 松弛蠕变 /
- 疲劳 /
- 研究进展
Abstract: Fiber-reinforced polymer （FRP） composites are high-performance materials characterized by their high strength， lightweight， corrosion resistance， and excellent fatigue resistance， making them highly promising for prestressed structural applications. However， FRPs are typically orthotropic materials， exhibiting significantly lower strength and modulus perpendicular to the fiber direction compared to the longitudinal direction， posing challenges for the application of FRP tendons/cables. Existing research findings remain insufficient to support the standardized use of FRP tendons/cables in prestressed structures. Based on recent experimental studies and theoretical analyses of FRP tendons/cables， this paper summarizes the testing methods， failure modes， mechanical characteristics， and other relevant conclusions under different loading conditions. It systematically examines the influence of various factors—such as fiber type and content， tendon/cable diameter， manufacturing processes， and testing methods—on the short- and long-term mechanical properties of FRP tendons/cables. Furthermore， future research and development directions for FRP tendons/cables are outlined， providing valuable insights for both academic research and practical engineering applications.
- fiber-reinforced polymer （FRP） /
- tendon/cable /
- tension /
- shear /
- compression /
- relaxation and creep /
- fatigue /
- research progress

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