用漂移硬化混凝土柱支的Pilotis结构的非线性动态分析
Shiyu Yuan1, Takashi Takeuchi1, Yuping Sun1
1Department of Architecture, Graduate School of Engineering, Kobe University, Kobe 657-8501, Japan.
Materials (Basel, Switzerland)
|October 14, 2023
概括
漂移硬化混凝土 (DHC) 柱子显著减少了pilotis结构中的残余漂移,提高了抗震能力. 这一创新甚至在严重的地震中也提供了接近零的漂移,促进了更安全的城市建筑.
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:
- 在城市建筑中,用于停车的软的第一层飞行员结构是常见的.
- 当前的地震代码可能无法完全解决在强烈地震期间,pilotis结构中的过度剩余漂移.
- 开发创新材料对于提高建筑物弹性至关重要.
研究的目的:
- 为了研究漂移硬化混凝土 (DHC) 柱子在飞行员结构中的有效性.
- 为了减少过度的残留漂移,并减轻在强烈地震事件下在pilotis故事中的损害.
- 通过先进的柱体设计,提高柱体结构的整体弹性.
主要方法:
- 根据日本地震代码设计的两个六层飞行器结构的非线性动态分析.
- 使用柔性混凝土 (DC) 柱与漂移硬化混凝土 (DHC) 柱的柱体结构的比较.
- 在三个代表性的地面运动下进行分析,以达到高达100厘米/秒的最高地面速度 (PGV).
主要成果:
- 在模拟地震下,DHC柱子将pilotis故事的剩余漂移减少到接近零,直至PGV = 100cm/s.
- DHC柱的自我中心能力和摇效应有助于提高性能.
- 在DC和DHC柱模型之间进行了最大层间剪力 (MISF) 的比较.
结论:
- DHC柱显著提高了pilotis结构的抗震能力.
- 建议在易地震地区的建筑物中使用DHC柱.
- 这项研究促进了DHC柱子用于更安全的城市基础设施的应用.
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