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生态三明治面板的边缘压缩特性,带有工程竹面板和竹核心
Xiaoran Liu1, Jingjing Deng2, Mao Wang2
1School of Architecture and Urban Planning, Chongqing Jiaotong University, Chongqing 400074, China.
Materials (Basel, Switzerland)
|May 14, 2025
概括
这项研究介绍了一种创新的竹子三明治板用于建筑,它结合了工程和原始竹子. 增强的连接强度大大提高了面板的承载能力和刚性.
科学领域:
- 材料科学 材料科学 材料科学
- 结构工程 结构工程
- 可持续建筑 可持续建筑
背景情况:
- 生竹在住宅建筑中的局限性 (不规则的形状,裂) 阻碍了其广泛使用.
- 工程竹提供了潜力,但需要创新的结构应用.
- 开发环保的建筑材料对于可持续发展至关重要.
研究的目的:
- 提出和评估一个新的生态三明治面板,整合工程和原始竹子.
- 为了研究压缩下的竹板的机械性能 (故障模式,强度,刚性).
- 探索高度对厚度比对面板性能的影响.
主要方法:
- 使用粘合层状竹面板和原始竹芯,用环氧树脂和 mortise-tenon接头连接,制造三明治板.
- 两组样本的边缘压缩测试具有不同的高度与厚度比率 (4.63和5.37).
- 对故障模式,压力强度和刚性的分析.
主要成果:
- 标本没有显示出整体稳定性问题,但经历了面板分层和局部凸起.
- 将高度与厚度的比率从4.63提高到5.37 (在短条范围内),粘合剂接口面积增加了16.13%.
- 边缘压力强度和刚度分别增加了17.57%和35.04%,其中比率较高.
结论:
- 面板容量和刚性主要取决于连接强度,容易产生制造和组装错误.
- 增强的连接强度是提高这些竹板的承载能力和可塑性的关键.
- 开发的面板显示了作为可持续和结构健全的建筑材料的潜力.
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