在预制剪切墙结构中优化异型节点和预制墙面板的承载参数
Jun Zhao1, Libo Wang1, Tengye Ma1
1School of Civil and Architectural Engineering, Anyang Institute of Technology, Anyang, China.
PloS one
|March 17, 2025
概括
这项研究通过优化异型节点和墙面板来增强预制剪切墙设计. 这些新型号提高了承载能力,减少了错误,并大大提高了抗震性能,以实现更安全的施工.
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
- 材料科学 材料科学 材料科学
背景情况:
- 预制建筑在全球范围内越来越多地使用.
- 剪切墙中的异构节点和预制墙面板的承载能力是一个挑战.
- 现有的方法缺乏对这些组件的强有力的质量控制和优化.
研究的目的:
- 开发一种质量控制模型用于异型节点.
- 为预制墙面板承载参数创建一个优化模型.
- 为了提高预制剪切墙的抗震性能和结构完整性.
主要方法:
- 实现了主要组件的维度缩小.
- 改进了预制节点的质量信息模型.
- 改进了龙算法用于数据建模和优化.
- 开发了质量控制和参数优化模型.
主要成果:
- 节点质量控制模型实现了低误差 (0.9mm) 和位移角度 (0.037rad).
- 最大切削强度达到了7.6 MPa.
- 优化降低了0.45和0.13的风和地震负载下的反翻转矩的比率.
- 优化模型需要至少160次代,其中有4500个最佳解决方案策略.
结论:
- 拟议的模型提高了节点的承载能力和能源消耗能力.
- 减少了控制错误,并显著提高了预制剪切墙的地震性能.
- 为设计和建造先进的预制剪切墙系统提供了科学基础.
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