在WikiHouse Skylark模块化系统中,合板TIE接头在张力和剪切下的机械性能
Moisés Sandoval1,2, Juan Pablo Cárdenas-Ramírez3, Paula Soto-Zúñiga4
1Master Program in Engineering Sciences, Faculty of Engineering, Universidad de La Frontera, Temuco 4811230, Chile.
Materials (Basel, Switzerland)
|October 29, 2025
概括
维基之家合板接头的耐火处理降低了柔性,影响了结构设计. 这项研究测试了标准,耐候和耐火接头,揭示了可持续建筑的关键强度-柔性权衡.
科学领域:
- 结构工程 结构工程
- 材料科学 材料科学 材料科学
- 可持续建筑 可持续建筑
背景情况:
- 建筑业日益关注的环境问题推动了对可持续模块化木材系统的需求.
- 维基之家Skylark开源模型依赖于合板TIE接头来实现结构完整性.
- 了解TIE联合性能对于弹性预制房屋至关重要.
研究的目的:
- 实验性地研究完整规模的WikiHouse TIE接头的结构性能.
- 评估不同合板处理 (标准,耐天气,耐火) 对关节行为的影响.
- 为了确定处理对故障模式和机械性能的影响.
主要方法:
- 使用18毫米的Pinus radiata合板制造全尺寸的TIE接头,有三种变体.
- 进行单调的拉力和剪切试验,以评估负载位移特性.
- 分析故障模式和量化每个关节类型的最终强度.
主要成果:
- 耐天候 (HR) 接头 (7.7 kN) 的平均终极抗拉强度最高.
- 耐火 (FR) 接头 (8.2 kN) 的平均终极切削强度最高.
- FR处理导致脆性骨折和柔性降低,与标准 (STD) 和HR面板的柔性撕裂不同.
结论:
- 在阻燃处理中存在显著的强度-柔性权衡.
- 这种权衡是模块化木制建筑结构设计的关键因素.
- 这些发现为WikiHouse TIE关节的数值建模和设计指南提供了重要的实证数据.
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