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首页> 外文期刊>The Structural Design of Tall and Special Buildings >Experimental study on seismic performance of T-shaped partly precast reinforced concrete shear wall with grouting sleeves
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Experimental study on seismic performance of T-shaped partly precast reinforced concrete shear wall with grouting sleeves

机译：带注浆套管的T形部分预制钢筋混凝土剪力墙抗震性能试验研究

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摘要

Prefabricated structure has prominent advantages such as easy control of construction quality, saving fabricating time and natural resources, and reducing environmental pollution and construction noise. The mostly used structural system in high-rise buildings is reinforced concrete shear wall structure, which has high load capacity and lateral stiffness. Focusing on the connection of reinforcements, three T-shaped partly prefabricated reinforced concrete shear walls and one cast-in situ specimen in same dimensions as a control group are tested under low-frequency cyclic loading to analyze their seismic performances in this paper. During the experiment, the axial compression ratio of specimens is fixed at 0.3, 0.4, and 0.5. Through the observation of phenomena and data analysis, hysteretic curve, skeleton curve, stiffness degradation, ductility, and load bearing capacity are compared and analyzed. The results show that partly prefabricated reinforced concrete shear wall has similar load bearing capacity with the cast in situ specimen, and it also has excellent ductility, stiffness, and energy-dissipating capacity. The experimental results and analysis indicate that partly prefabricated reinforced concrete shear wall has outstanding seismic performances; under effective and reliable design, it can be used in building structures to play the same role as cast in situ components.
机译：预制结构具有显着的优势，例如易于控制施工质量，节省制造时间和自然资源，以及减少环境污染和建筑噪声。高层建筑中最常用的结构系统是钢筋混凝土剪力墙结构，具有较高的承载能力和侧向刚度。着眼于钢筋的连接，在低频循环荷载下测试了三个T形预制钢筋混凝土剪力墙和一个与对照组相同尺寸的现浇试样，以分析其抗震性能。在实验过程中，试样的轴向压缩比固定为0.3、0.4和0.5。通过现象观察和数据分析，比较并分析了磁滞曲线，骨架曲线，刚度降低，延展性和承载能力。结果表明，部分预制的钢筋混凝土剪力墙具有与现浇标本相似的承载能力，并且还具有出色的延展性，刚度和耗能能力。实验结果和分析表明，部分预制的钢筋混凝土剪力墙具有出色的抗震性能。在有效和可靠的设计下，它可以用于建筑结构中，起到与现场浇铸部件相同的作用。

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