在PC和RC时刻耐阻框架中对内部梁-柱连接的仿真评估
Min-Su Jo1, Hyeong-Gook Kim1, Dong-Hwan Kim1
1Department of Architectural Engineering, Kongju National University, 1223-24 Seobuk, Cheonan-si 31080, Republic of Korea.
Materials (Basel, Switzerland)
|November 14, 2023
概括
预混凝土 (PC) 梁柱接头的抗震性能相当于现场造钢筋混凝土 (RC) 结构. 这项研究证实了PCPC.
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:
- 预混凝土 (PC) 结构具有优势,但在中高层建筑中面临局限性.
- PC结构的抗震设计需要验证与传统的现钢筋混凝土 (RC) 结构的性能平价.
- 梁柱接头是抗瞬时框架中的关键组件,决定了整体结构地震响应.
研究的目的:
- 通过实验研究预制混凝土梁柱接头的抗震性能.
- 为了比较PC接头与传统RC接头的地震行为.
- 评估PC结构适用于中等和特殊的抗时刻框架的适用性.
主要方法:
- 试验测试PC梁 - 柱联合样本.
- 变化包括结构系统类型 (中等和特殊的抗转矩框架) 和柱与梁的屈曲强度比.
- 与RC标本进行比较分析,重点关注强度,刚度,能量消散和应变分布.
主要成果:
- 在强度,刚度,能量消散和应变分布方面,PC标本的地震性能与RC标本相当.
- 一个单个样本的故障被归因于由于砂填充不足而导致的拼接套粘合器故障,这突显了建筑质量的重要性.
- "I"系列的标本符合PC结构中特殊抗时刻框架的评估标准.
结论:
- 预混凝土梁柱连接可以实现与现场造钢筋混凝土相比的抗震性能.
- 电脑电脑结构适用于作为中介抗框架的应用.
- 确保正确的施工质量,如足够的砂填充拼接袖子,对于可靠的地震性能至关重要.
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