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通过织增强砂加强的体结构的多层建模
1Department of Concrete and Masonry Structures, Czech Technical University in Prague, Praha 6, 16629, Czech Republic.
Open research Europe
|August 30, 2023
概括
本研究介绍了一种简化模型,用于用织物增强砂 (TRM) 强化造建筑物. 该模型准确预测地震性能和故障模式,优化结构分析以减少地震脆弱性.
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:
- 织物增强砂 (TRM) 是一种创新的技术,可以提高现有结构的抗震能力.
- TRM涉及将嵌入式纤维基网或织品的砂涂层应用到体表面.
- 这种方法旨在减少老旧建筑物的地震脆弱性.
研究的目的:
- 介绍一个简化,多层建模方法的校准和应用,用于模拟TRM增强的体.
- 评估该模型在预测加强体元素和结构的行为和故障机制方面的可靠性.
- 优化分析以了解大规模结构性能.
主要方法:
- 用TRM加强的体是使用由堆叠层组成的20节点块元素 (体,砂,钢筋) 建模的.
- 使用现有的实验数据将非线性材料行为纳入并校准.
- 采用了层间的完美结合假设.
主要成果:
- 对越来越复杂的元素进行了非线性静态分析,从面板到试点建筑.
- 该模型成功地识别了非强化和TRM强化体的典型故障机制,包括对角裂纹和曲模式.
- 该模型还检测到现实世界配置中常见的混合故障模式.
结论:
- 简化模型在预测整体结构性能和故障模式的准确性和分析效率之间提供了良好的平衡.
- 虽然由于网格大小和涂抹塑化,它不适合详细的裂纹复制,但它可以有效地捕捉大规模的结构行为.
- 这种方法有助于优化使用TRM的造结构的抗震改装设计.
关键词:
这就是为什么CRM是CRMCRM.复合材料 复合材料 是一种复合材料.强化造工艺 强化造工艺数字建模 数字建模这是OOFEMEM的OOOFEM.抗震保护 抗震保护TRM TRM 是一个很好的方法.更多相关视频
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