碳纤维增强聚合物单条挤出 anchorage结构的数值模拟和实验研究
Wanxu Zhu1,2, Chengyang Xiong1,3, Boxuan Cheng1
1School of Civil Engineering, Guilin University of Technology, Guilin 541004, China.
Materials (Basel, Switzerland)
|August 29, 2024
概括
一个新的碳纤维增强聚合物 (CFRP) 挤出 anchoring系统为桥梁电缆提供了更高的效率. 这种新的设计,使用多个压缩袖子,提高了固定性能,而不增加整体长度.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
- 结构工程 结构工程
背景情况:
- 碳纤维增强聚合物 (CFRP) 的可靠固定对于桥梁电缆的承载能力至关重要.
- 现有的系系统在平衡效率和尺寸方面面临着挑战.
研究的目的:
- 开发和评估一种新的CFRP单链挤压 anchoring结构.
- 创建一个改进的CFRP多链电缆复合 anchoring系统,提高效率和缩小尺寸.
主要方法:
- 使用ANSYS软件开发一个轴对称的有限元模型.
- 在不同的挤出袖子参数下分析辐射应力分布和 anchorage效率系数 (边形,外径,长度).
- 通过静态负载固定测试验证模型的有效性.
主要成果:
- 最佳的配置涉及四个连接连接的挤出袖子 (5°孔,外径 Φ14.4,长度 15 mm),实现了 61.04% 的固定效率系数.
- 拟议的多袖系列结构克服了固定长度的限制,以提高效率.
- 与单个60毫米袖子相比,连接四个15毫米袖子连续提高了24.98%的效率.
结论:
- 新型的CFRP挤出 anchoring系统显著提高了 anchorage的效率.
- 该设计提供了一个更紧和有效的解决方案,用于在结构应用中固定CFRP.
- 多个挤出袖子的顺序压缩提供了一种可扩展的方法来提高固定性能.
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