在循环负荷下,研究侧面负荷抵抗机制和钢框架装满复合板切割壁的容量
Hui Li1, Yi Qi1, Tongyang Kang1
1School of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, China.
Materials (Basel, Switzerland)
|April 24, 2025
概括
钢框架内装有复合板切削壁 (SF-CPSW),可以有效地承受横向负载. 本研究阐明了它们的负载共享机制和相互作用,并提出了地震应用的设计公式.
科学领域:
- 结构工程 结构工程
- 地震工程的工程是地震工程.
- 材料科学 材料科学 材料科学
背景情况:
- 装有复合板切削壁 (SF-CPSW) 的钢框架因其侧向负载阻力而闻名.
- 现有的研究还没有明确地说明边界钢框架 (SF) 和复合板切割墙 (CPSW) 之间的切割力分布.
- 在周期侧负荷下,SF-CPSW的相互作用机制需要进一步研究.
研究的目的:
- 调查SF-CPSW结构的抗负荷机制和相互作用.
- 分析各种参数对SF-CPSW横向性能的影响.
- 开发用于地震设计的SF-CPSW横向刚度和强度预测公式.
主要方法:
- 进行了结构模型测试,以模拟SF-CPSW的行为.
- 用有限元分析来补充实验发现.
- 研究了变形模式,故障模式,内部力和成员相互作用.
主要成果:
- SF-CPSW的相互作用会在CPSW角落产生正常的应力,这可能会降低钢网的剪切强度.
- 混凝土封装和边界SF减轻这些影响,增强整体刚性和柔性.
- 该研究评估了钢网/混凝土厚度,边界SF截面和轴向压缩比的影响.
结论:
- 在横向负载下,SF-CPSW表现出复杂的负载共享和相互作用行为.
- 边界SF和CPSW的联合作用导致结构性能的提高.
- 拟议的公式为SF-CPSW结构的抗震设计提供了基础.
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