三弦嵌式水下浮式道:混合式建筑概念,可行性和设计
Fa-Cheng Wang1,2, Tao Zhuge3, Zheng-Qing Cheng3,4
1School of Civil Engineering, Tsinghua University, Beijing, PR China. wangfacheng@tsinghua.edu.cn.
Communications engineering
|July 1, 2025
概括
一个新的潜水浮式道 (SFT) 设计使用混凝土填充的双皮管状 (CFDST) 混合结构. 这种创新方法提高了深水过道的结构性能和成本效益.
科学领域:
- 土木工程 土木工程是指土木工程.
- 结构工程 结构工程
- 海洋工程 海洋工程
背景情况:
- 潜水浮动道 (SFT) 是深水穿越和洲际运输的潜在解决方案.
- 现有的SFT设计面临着在恶劣环境中满足结构需求和经济可行性方面的挑战.
研究的目的:
- 提出一个新的概念性SFT设计,使用三重弦嵌混凝土填充双皮管道 (CFDST) 混合结构.
- 评估这种新设计的结构性能和适应性.
主要方法:
- 开发一个概念性的SFT设计,整合CFDST和弦和空洞钢管支架.
- 实施一个多尺度结构分析方法,将3D有限元 (FE) 和简化纤维建模相结合.
- 在各种负载条件下评估总体变形,防火性能和关节行为.
主要成果:
- 拟议的CFDST混合结构证明了钢管和混凝土之间的协同性能.
- 与现有解决方案相比,增强了对侧流,振动和内部火灾的抵抗力.
- 设计显示出更大的适应性和成本效益.
结论:
- 三合弦嵌式CFDST混合SFT设计为深水穿越提供了一个有希望的,高性能和经济的解决方案.
- 这种创新的结构有效地解决了当前在苛刻的海洋环境中SFT设计的局限性.
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