在负荷和水分含量的合作用下,CLT板的柔性性能
Jinpeng Xu1, Tianyi Zhang1, Huanyu Wang1
1College of Civil Engineering, Nanjing Tech University, Nanjing 211816, China.
Materials (Basel, Switzerland)
|December 31, 2025
概括
本研究引入了对交叉层材木板 (CLT) 的分析模型,考虑了负荷和湿度的影响. 该模型准确地预测了CLT的行为,在效率和准确性方面表现优于有限元素方法.
科学领域:
- 结构工程 结构工程
- 材料科学 材料科学 材料科学
- 绿色建筑材料 绿色建筑材料
背景情况:
- 交叉层材木材 (CLT) 是一个可持续的建筑材料,越来越突出.
- 了解CLT板在联合机械负载和湿度变化下的行为对于其应用至关重要.
- 现有的模型可能无法完全捕捉负载和湿度对CLT的结合效应.
研究的目的:
- 开发一个分析模型,用于交叉层木材 (CLT) 板,考虑合负载和湿度效应.
- 调查CLT中的湿度诱导的变形和依赖湿度的材料特性.
- 与传统方法相比,提供计算效率高,准确的解决方案.
主要方法:
- 为湿度扩散和三维弹性制定状态空间方程.
- 应用转移矩阵方法来建立湿度,应力和位移的层级关系.
- 分离分析,以单独研究负载和湿度的影响及其相互作用.
主要成果:
- 成功建立了在合负载和湿度条件下的CLT板的分析模型.
- 拟议的分析解决方案在有限元方法上表现出更高的准确性和计算效率.
- 研究了应力和位移模式,提出了修改后的叠加原理.
结论:
- 开发的分析模型为预测在复杂环境条件下的CLT板性能提供了可靠的工具.
- 这些发现强调了考虑合湿度和负载效应对于准确的CLT结构分析的重要性.
- 这项研究提供了关于湿度分布和木材物种对CLT行为的影响的见解.
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