关于控制主线电缆中螺纹的方法的研究
Pingming Huang1, Chongjin Li2, Hanzheng Xu1
1School of Highway, Chang'an University, Xi'an, 710064, China.
Scientific reports
|July 27, 2024
概括
控制链条下垂对于准确吊桥施工至关重要. 本研究引入了一种定量模型来分析压缩控制方法及其对主要电缆形状和张力的影响,改进工程实践.
科学领域:
- 结构工程 结构工程
- 土木工程 土木工程是指土木工程.
- 桥梁建设 桥梁建设
背景情况:
- 在吊桥中,准确的主电缆施工依赖于在架设过程中控制链条下垂.
- 目前的海疏控制方法缺乏定量分析,并基于经验.
研究的目的:
- 总结一下常见的细丝的控制方法.
- 提出一个定量分析模型来控制海的松.
- 分析控制方法对主要电缆形状和线程张力的影响.
主要方法:
- 总结了四种常见的线条控制方法.
- 开发了一种包含随机因素的定量分析模型.
- 将模型应用于吊桥案例研究.
主要成果:
- 主电缆斜率和链间距离之间存在线性关系,不同方法的速率各不相同.
- 丝距离的差异导致紧紧后的丝张力不均.
- 随机错误增加了松和张力分散,而累积错误加剧了分层线程的错误.
结论:
- 拟议的模型量化了链控制方法对主电缆几何和张力的影响.
- 结果为优化悬架桥主缆架设和控制提供了有价值的数据.
- 突出了随机错误和累积错误对施工准确性的影响.
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