建筑物结构电缆的机械行为和性能退化:全面的审查
Xu Chen1, Hai Zhang1,2, Hongbo Liu3
1School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China.
Materials (Basel, Switzerland)
|December 31, 2025
概括
本文审查了建筑电缆的物理和机械性能,如钢丝和钢丝绳. 它为结构设计提供了必不可少的数据,重点关注各种条件下的性能和材料降解.
科学领域:
- 结构工程 结构工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 电缆是长跨度空间结构中的关键承载元件,因为它们具有有利的特性.
- 对电缆机械行为的全面了解对于结构设计和安全评估至关重要.
研究的目的:
- 系统地审查常用的建筑电缆的物理和机械性能.
- 为关键性能指标提供参考数据,并检查影响电缆行为因素.
主要方法:
- 对电缆特性和机械反应进行系统的文献综述.
- 检查半平行线条 (SPWS),加尔涂层钢条 (GSS) 和全锁卷轴电缆绳 (LCR).
- 分析基本特征,应力松,爬行,高温性能,腐蚀和骨折后行为.
主要成果:
- 确定了关键的机械参数:弹性模量,轴/曲刚度和热膨胀系数.
- 突出了LCR和GSS的优越耐腐蚀性.
- 电线断裂后阐明的应力再分配和剩余容量.
结论:
- 该审查提供了建筑电缆选择和设计的关键数据.
- 建议未来的研究方向是提高电缆支结构的耐用性和性能.
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