基于相对的混合电信骨架塔的可靠性评估
Marcin Kamiński1, Rafał Bredow1
1Department of Structural Mechanics, Faculty of Civil Engineering, Architecture & Environmental Engineering, Lodz University of Technology, 93-590 Lodz, Poland.
Entropy (Basel, Switzerland)
|February 27, 2026
概括
本研究评估了混合电信塔在风力负荷下的可靠性. 混合塔能节省大量物料,同时保持与传统钢铁塔相同的安全水平.
科学领域:
- 结构工程 结构工程
- 可靠性工程可靠性工程
- 风力工程是风力工程.
背景情况:
- 电信塔是受到动态风压的关键基础设施.
- 在不确定性下评估结构可靠性对于安全性和效率至关重要.
- 现有的钢铁塔被广泛使用,但材料的进步允许混合设计.
研究的目的:
- 执行混合钢电信塔的不确定性量化和可靠性评估.
- 将混合塔的结构响应和可靠性与传统钢铁塔进行比较.
- 评估不确定的设计参数对可靠性指数的影响.
主要方法:
- 使用ABAQUS 2024进行结构响应分析的数值模拟.
- 随机有限元法 (SFEM) 采用一般化的代随机扰动技术.
- 使用第一顺序可靠性方法 (FORM) 和基于Bhattacharyya理论的计划计算可靠性指数.
- 在MAPLE 2015中编程的概率分析.
主要成果:
- 模拟了混合塔的结构反应,并与钢铁塔进行了比较.
- 确定了最终极限状态 (ULS) 和可服务性极限状态 (SLS) 的可靠性指数.
- 使用高斯概率分布建模了不确定的设计参数.
结论:
- 混合电信塔的设计允许大规模节省.
- 混合设计保持了与传统钢铁塔一样的可靠性.
- 本研究为基于可靠性的电信塔的设计优化提供了一个框架.
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